Dell 2000FP LCD Monitor Service Guide Engineering

Transcription

Dell 2000FP LCD Monitor Service Guide Engineering
Dell 2000FP LCD Monitor Service Guide
Engineering Specification
Table of Contents
1. Introduction............................................................................................................................................2
2. Pacific Specification.............................................................................................................................2
Appendix 0 – AC/DC power adapter.........................................................................................................6
Appendix 1 – Video Connector.................................................................................................................7
Appendix 2 – Labels and Markings ...........................................................................................................8
Appendix 3 – Preset Mode Timings .........................................................................................................8
Appendix 4 – OSD Operation Procedures ...............................................................................................9
Appendix 5 – Special Indication ...............................................................................................................14
Appendix 6 – Translation List ...................................................................................................................15
Appendix 7 – EDID Content......................................................................................................................15
Appendix 8 – Power State Maximums .....................................................................................................18
Appendix 9 – LCD Module Specification................................................................................................18
Appendix 10 – Mechanical Specification................................................................................................18
Appendix 11 – Regulatories......................................................................................................................19
Appendix 12 – LCD Module Defects.......................................................................................................20
Appendix 13 – FOS Specifications (Draft)..............................................................................................21
Appendix 14 – FOS Notes.........................................................................................................................21
Appendix 15 – Shipment Conditions ........................................................................................................22
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Engineering Specification
1. Introduction
This specification describes a 20.1" UXGA TFT LCD monitor with a power adapter. It supports maximal resolution up to
1600×1200 and analog and digital inputs with DPMS. It also supports S-VIDEO and COMPOSITE video inputs. It features:
- Auto Key(Automatic adjustment function)
- User control: on/off switch, OSD control, brightness and contrast quick access, and input source selection keys
- Multi-timing support
- High quality advanced scaling function
- Power on/off indicator
- 4 input indication LEDs
- Universal power adapter
- 0.255(W)×0.255(H) mm dot pitch LCD panel
- PIP (picture in picture) feature
- Fancy OSD features:16-bit bitmap color for the splash screen, 16 pallets out of 16 bits colors for the OSD icons.
It is composed of the following materials:
-An LCD monitor (an LCM with TMDS interface, an I/F board, two control boards, and an inverter)
-A 15 pin D-SUB cable and a DVI-D signal cable
-A power adapter and a power cord
-Tilt and swivel base
-User manual / CD-ROM with E-doc, .inf/icm , and .cat (including both analog & digital registrations)
2. Pacific Specification
2.1 GENERAL DESCRIPTION
2.1.1 Display Data Area (with full white pattern)
(1) Horizontal
408 mm
(2) Vertical
306 mm
2.1.2 Video Performance
(1) Resolution
UXGA 1600 × 1200 × R,G,B Maximum
(2) Display color
16.7 M colors
2.1.3 LCD technology
IPS(In phase switching) technology.
2.1.4 I/F
A D-SUB analog input, DVI-D digital input and 2 video inputs (S-VIDEO and COMPOSITE video ports).
2.2 ELECTRICAL CHARACTERISTICS
2.2.1 POWER SUPLLY
(1) Type
external power adapter in IEC-320/CEE-22 female type
(2) Specification
See Appendix 0 - Power Supply
(3) Power cable
With the length of 1.8 meter, detachable and black color.
(4) Adapter cable
Type
captive DC power cable. The free end of this cable has a
pin-in-socket type connector for attaching to the monitor.
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Length and color
With length of 1800mm, black color.
2.2.2 SIGNAL INTERFACE
(1) Analog input
Pin assignment
See Appendix 1 – Analog connector
Level
0.7 volt ± 5%
Impedance
75 ohm. TDR scan needed for both D-SUB cable and
interface board.
Pin assignment
See Appendix 1 – DVI-D Connector
Level
600mV for each differential line.
Impedance
50 Ohm. TDR Scan needed for DVI cable and interface
board.
Pin assignment
See Appendix 1 – Video connector
Level
(S-VIDEO) Y input: 1 volt (p-p)
(S-VIDEO) C input: 0.286 Volt (p-p)
(COMPOSITE) 1 volt (p-p)
Impedance
(S-VIDEO) Y input: 75 ohm
(S-VIDEO) C input: 75 ohm
(COMPOSITE) 75 ohm
Type
Monitor accepts separate Horizontal, Vertical sync,
composite sync, and SOG.
Level
Monitor accepts positive and negative sync. signal from
both 3.3V and 5V TTL families. Inputs sense a logic 0
when the input absolute value is 0.8 V or less and logic 1
when the input absolute value is 2.3V or greater.
Impedance
2.2KOhm min (pull down)
Analog
Detachable, shielded 2.0 meters (6.67 ft), D-SUB 15P
male connector, with blue connectors, thumb screws and
black color.
Digital
Detachable, DVI-D, white connectors, 2.0 meters (6.67
ft) and black color.
Video
S-VIDEO, COMPOSITE-video, w/o audio. Cables are not
included.
(4) Abnormal signal immunity
The monitor cannot be damaged by improper sync, timing
pulse duration, or absence of sync, or abnormal input
signal amplitude (video and/or sync too large or too
small), or any other anomalous behavior of a graphics
card or video generator when changing modes, or when
any combination of input signals is removed or replaced.
Additionally, under these conditions, the monitor cannot
cause damage to the source.
(5)Warm-up time to stabilize the I/F setup
Image is considered to be ready for correct position and
timing adjustment after 3 minutes maximal warm-up time.
(2) TMDS input
(3) Video input
(3) Sync input
(3) Signal cable
2.2.3 MODES AND TIMING
(1) Synchronization range
Horizontal frequency range: 31 to 80KHz
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Vertical frequency range: 56 to 76 Hz (excluding UXGA
resolution)
(2) Video modes
Preset Modes
10 ea. factory preset timings.
User Mode
Any video modes for which the timing is not recognized
as a preset but included in the synchronization range is
stored in user area. 5 ea. user defined timings.
Mode tolerance
Monitor recognizes preset modes within a range of ±
0.5KHz for horizontal frequencies and within ± 0.5Hz
for vertical frequencies.
Function
Monitor is able to scale-up the image of the specified
video signal from computer at specified resolution
frequency smaller than 1600×1200 60Hz. Image is
automatically expanded to fill the entire screen. The
‘specified’ means a signal timing corresponding with
one of the preset modes.
Function
For any preset mode, monitor is able to automatically
adjust horizontal and vertical position, phase and clock
parameters to achieve the best image quality, the image
will be perfectly centered and noise exempted. For
UXGA Vs>60Hz , this function can not be guaranteed.
Compatibility modes
Auto-adjustment ensures full specification for listed
Preset Modes (UXGA, Vs >60Hz modes not included). It
is acceptable the auto-adjustment fails clock adjustment
operation when a non-factory preset mode presents. In
such case, end user has the possibility to adjust
horizontal and vertical position, phase and clock with the
OSD menu.
2.2.4 SCALING
2.2.5 Auto-Adjustment
2.2.6 USER CONTROL AND INDICATORS
(1) Indicators
(2) Key buttons
Power LED color
Full power: Green
DPMS sleep: Amber
Input LED color
Input selected: Green
Non-selected: Off
Power control
To power up/down the monitor
Auto-adjustment
To perform auto-adjustment
Input selector
To index to the next input source
Menu
To activate the OSD
Down/Up
To select between the items on OSD.
Direct adjustment of brightness & contrast (Up/Down buttons)
(+)/(-)
To adjust the value of the item on OSD.
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(3) OSD
Main Specification
5 languages
Format & Functionality
See Appendix 4 – OSD Format-Function
Special Indications
See Appendix 5 – Special Indications
(1)DDC
Type
Monitor complies with VESA DDC standard, Version 2.0.
Required custom EDID files. Digital-Ver 1.3, AnalogVer1.3. See Appendix 7 – EDID Content
(2)DPMS
Type
Monitor includes VESA DPMS feature
Power Consumption
See Appendix 8 –Power State Maximums
2.2.7 PC INTERFACE
2.2.8 SHIPMENT CONDITIONS
(1) Shipment conditions
Monitor is to be shipped with the setting described in
Appendix 17 – Shipment Conditions
2.3 LCD MODULE
2.3.1 LCD MODULE
(1) Main specification
See Appendix 9 – LCD Module Specifications
(2) Defects
See Appendix 12 – LCD Module Defects
(3) Display Degradation
Over the life of the product, variation parameters defined
in Appendix 12 will not vary.
2.4 FRONT OF SCREEN
2.4.1 Min. functional warm-up time
3 mins
2.4.2 Specification
(1) FOS associated with LCD
See Appendix 13 – FOS (front of screen) Specifications
Module performance
(2) Measurement conditions
See Appendix 14 – FOS Notes
(3) FOS reliability
Over the life of the product, parameters defined in
Appendix 13 and 14 will not vary, excluding any
parameters depending on CCFL operation.
2.5 MECHANICAL
2.5.1 INDUSTRIAL DESIGN
(1) Label and marking
See Appendix 2 – Labels and Markings. All labels and
markings must be legible and sharp, positioned as shown
in the drawings, and properly aligned. Using the
time/distance criteria as given for the cosmetic
inspection in Appendix 10- Mechanical , no missing parts
of the characters or the DELL logo will be observed. All
labels and marking must be approved by DELL.
2.5.2 MECHANICAL SPECIFICATIONS
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(1) Mechanical Specifications
See Appendix 10 – Mechanical
(2) Cosmetic Inspection
See Appendix 10 – Mechanical
2.5.3 SHIPPING CONTAINER
See Appendix 10 – Mechanical
2.6 PALLETIZATION & SHIPMENT
See Appendix 10 – Mechanical
2.7 SERIALIZATION
See Appendix 10 – Mechanical
2.8 APPLICATION REGULATION
See Appendix 11
2.9 ENVIRONMENTAL, RELIABILITY AND OPERATING SPECIFICATIONS
Operating conditions
Storage conditions
Temperature
5 to 35oC
Humidity
10% to 80% (non-condensing)
Temperature
0 to 60oC (storage)
Humidity
5% to 90% (non-condensing) (storage)
-20 to 60oC (shipping)
5% to 95% (non-condensing) (shipping)
Appendix 0 – AC/DC power adapter
PARAMETER
INPUT
Output
Input Voltage
Input Frequency
Input Current
RANGE
90 to 264Vac RMS
47~63 Hz 90 to 264Vac
Less than 1.7 ARMS
CONDITION
Universal input full range
Inrush Current
Less than 50A peak
Input Fusing
Fuse should be located internal to the
adapter
Leakage Current
Hi-Pot
Less than 0.5mA
Primary to secondary
DC Out
Output Power
Ripple & noise
19.5Vdc (18.9~20.6)
70Watt
500mVpp at 19.5VDC
Short circuit
protection
The adapter can withstand continuous
short at DC output and no damage, it’ll
enter into normal condition if the fault
condition is removed.
Input voltage 90 Vac; 60Hz.
Parameter must be reached within 3
seconds of turn-on.
Input voltage 240Vac ; 50Hz at all
phase, cold start
Fuse must be UL/CUL approved.
Fuse value must no have to change
for 115 VAC operation
Input voltage 250 Vac; 50Hz
2150Vdc for 1 Sec(leakage current
10 mA)
Min 0A Max 3.51A
Tested by loading side parallel with a
1uf/CC capacitors and Measured
Band-Width with DC-20MHz
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Appendix 1 – Video Connector
Analog input I: 15-pin D-SUB connector
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
SIGNAL
RED VIDEO
GREEN VIDEO
BLUE VIDEO
GND
Self-test (Cable detector)
RED GND
GREEN GND
BLUE GND
PC5V
SYNC GND
GND
DDC DATA (SDA)
HORIZONTAL SYNC(H+V)
VERTICAL SYNC
DDC CLOCK (SCL)
1
5
6
10
11
15
15-pin D-SUB female
Digital input: 30-pin DVI-D connector
Pin
1
2
3
4
5
6
7
8
9
10
11
12
Signal assignment
TMDS RX2TMDS RX2+
TMDS Ground
Floating
Floating
DDC Clock
DDC Data
Floating
TMDS RX1TMDS RX1+
TMDS Ground
Floating
Pin
13
14
15
16
17
18
19
20
21
22
23
24
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Signal assignment
Floating
+5V Power
Ground
Hot Plug Detect
TMDS RX0TMDS RX0+
TMDS Ground
Floating
Floating
TMDS Ground
TMDS Clock+
TMDS Clock-
Dell 2000FP LCD Monitor Service Guide
Engineering Specification
24-pins DVI –D female
Video input I: S-VIDEO connector
PIN
1
2
3
4
G
SIGNAL
GND
GND
LUMA
CHROMA
GND
4
3
1
2
G
4-pin S-VIDEO female
Video input II: COMPOSITE video connector
RCA jack
Appendix 2 – Labels and Markings
Refer to RN-315
Appendix 3 – Preset Mode Timings
Resolution
640 × 480
720 × 400
800 × 600
1024 × 768
1280 × 1024
1600 × 1200
@ 60 Hz
P
@ 70 Hz
@ 75 Hz
P
P
P
P
P
P
P
P
P
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Mode
1
2
3
4
5
6
7
8
9
10
Synchro
H(Pixels)
V(Lines)
H(Pixels)
V(Lines)
H(Pixels)
V(Lines)
H(Pixels)
V(Lines)
H(Pixels)
V(Lines)
H(Pixels)
V(Lines)
H(Pixels)
V(Lines)
H(Pixels)
V(Lines)
H(Pixels)
V(Lines)
H(Pixels)
V(Lines)
Polarity Dot Clock Frequency
(MHz)
(KHz/Hz)
+
+
+
+
+
+
+
+
+
+
+
+
+
28.321
25.175
31.500
40.000
49.500
65.000
78.750
108.000
135.000
162.000
31.468
70.8
31.469
59.940
37.500
75.000
37.879
60.317
46.875
75.000
48.363
60.004
60.023
75.029
63.981
60.020
79.976
75.025
75.000
60.000
Total
Period
(Pixels)
Display
Period
(Pixels)
Front
Porch
Period
(Pixels)
900
449
800
525
840
500
1056
628
1056
625
1344
806
1312
800
1688
1066
1688
1066
2160
1250
720
400
640
480
640
480
800
600
800
600
1024
768
1024
768
1280
1024
1280
1024
1600
1200
18
12
16
10
16
1
40
1
16
1
24
3
16
1
48
1
16
1
64
1
Synchro Back
Period Porch
(Pixels) Period
(Pixels
)
108
54
2
35
96
48
2
33
64
120
3
16
128
88
4
23
80
160
3
21
136
160
6
29
96
176
3
28
112
248
3
38
144
248
3
38
192
304
3
46
Resolution
720×400
640×480
640×480
800×600
800×600
1024×768
1024×768
1280×1024
1280×1024
1600×1200
Appendix 4 – OSD Operation Procedures
Key definitions
There are 8 keys for user's control, which include “POWER”, “AUTO”, “INPUT”, “MENU”, “ ”, “ ”, “+”,
and “ ”. The following description defines the function of these keys.
“POWER”
Mark F, to turn on/off the monitor.
“AUTO”
Mark E, for auto adjusting vertical position, horizontal
position ,pixel clock and the phase.
“INPUT”
To switch the input source among “D-sub”, “DVI-D”,
“S-VIDEO”, and “COMPOSITE”.
“MENU”
Mark C, to enter OSD operation mode.
“ ”
To select OSD items / “Hot Key” for contrast
adjustment.
“ ”
To select OSD items / “Hot Key” for brightness
adjustment.
“+”
To increase the value of the selected OSD item.
“–”
To decrease the value of the selected OSD item.
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Brightness
The brightness function adjusts the luminance of the backlight in the LCM. With OSD menu off, push the " "
button to display the Brightness (and contrast) adjustment menu. Adjust Brightness first, then adjust Contrast only if
further adjustment is necessary.
Push the + button to increase the luminance;
push the – to decrease luminance (min. 0 ~ max 100).
Contrast
The contrast function adjusts the degree of difference between darkness and lightness on the monitor screen.
With OSD menu off, push the " " button to display the Contrast (and brightness) adjustment menu. For DVI-D input,
the contrast adjustment is disabled.
Push the + button to increase the contrast;
push the – button to decrease the contrast (min. 0 ~ max 100).
Main menu
Press “MENU” key to enter OSD main menu as figured below. The OSD main menu has 8 items including “Exit”,
“Positioning”, “Image Settings”, “Color Settings”, “OSD Settings”, “Language”, “Factory Reset” and “PIP”. The
following pages describe the details of these items.
Positioning
Use " " or " " to select “Positioning” in the main menu and press "MENU" to enter “Positioning” sub-menu.
Use " " or " " to select “Horizontal Position”, “Vertical Position”, and “Zoom” functions. When the selected item
is highlighted, the function is activated. Press "+" or "–" to adjust the “Horizontal Position”, “Vertical Position”, or
“Zoom” of the display.
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Horizontal Position
Press +/– to adjust the horizontal position of the display and press "Menu" to return to the previous OSD page.
Vertical Position
Press +/– to adjust the vertical position of the display and press "Menu" to return to the previous OSD page.
Zoom In/Out
Press +/– to zoom In/Out the display and then press "Menu" to return to the previous OSD page. After Zoom In,
then the Zoom Left/Right, Down/Up functions can be activated.
Image Settings
Use " " or " " to select “Image Settings” in the main menu and press "MENU" to enter “Image Setting” submenu. Use " " or " " to switch among “Auto Adjust”, “Pixel Clock”, “Phase”, “Sharpness”, Scaling, and “Image
Source” functions. When the selected item is highlighted, the function is activated then you can press "+" or "–" to
adjust the “Auto Adjust”, “Pixel Clock”, “Phase”, “Sharpness”, Scaling, and “Image Source” functions.
Auto Adjust
Press “+” to start “Auto Adjust” function.
Pixel Clock
Press +/– to adjust the value of “Pixel Clock” and press "Menu" to return to the previous OSD page.
Phase
Press +/– to adjust the value of “Phase” and press "Menu" to return to the previous OSD page.
Sharpness
Press "+" or "–" to adjust the degree of “Sharpness” and press "Menu" to return to the previous OSD page. It
smoothes an image which may help the eyes to see more detail.
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Scaling
Scaling optimizes the display for the type of software you are using. Includes “1:1”, “Fill”, and “Aspect”.
Under Image Setting sub-menu, press “Menu" to activate the scaling adjustment bar and by pressing "+" or "–" to
select among “1:1”, “Fill”, and “Aspect”. Then press "Menu" once to return to the Image Setting sub-menu or
twice to return to the main menu.
Color Settings
Color Settings adjusts the color temperature. Press " " or " " to select “Color Settings” function from main
menu and press "MENU" to enter “Color Setting” sub-menu. Press " " or " " to switch between “9300 Preset”,
“6500 Preset”, and “User Preset”. For S-VIDEO and COMPOSITE video input, the color settings adjust the Hue/Tint
and Saturation function.
User Preset
Press +/– to adjust the value of R, G, and B separately. Press "Menu" to return to the main menu.
OSD Settings
Use " " or " " to select “Horizontal Position”, “Vertical Position”, “OSD Hold Time”, and “OSD Lock”.
Horizontal Position
Press +/– to adjust the horizontal position of the OSD and press "Menu" to return to the previous OSD page.
Vertical Position
Press +/– to adjust the vertical position of the OSD and press "Menu" to return to the previous OSD page.
OSD Hold Time
Press +/– to adjust the hold time of the OSD and press "Menu" to return to the previous OSD page.
OSD Lock
By pressing “+” or “–“, you can lock or unlock the OSD. Then press "Menu" to return to the previous OSD page.
Language
Use " " or " " to select different languages from English, Español, Français, Deutsch, and Japanese. Then press
"Menu" to return to the previous OSD page.
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Factory Preset
The function of “Factory Preset” is to reset control settings to the factory preset values for the selected group of
functions. Press " " or " " to select “Position Setting”, “Color Setting”, and “All setting” and then press “Menu” to
execute.
PIP Settings
The function of “PIP Settings” is to set the Picture-In-Picture window. Press " " or " " to select “PIP Source”,
“PIP Size”, “PIP Bright”, “PIP Contr.”, “Hue/Tint”, “Saturation”, “PIP Hor. Pos”, or “PIP Ver. Pos” and press “+”
and “-“ to adjust the item selected.
PIP Source
Use +/– to select input sources from “S-VIDEO” and “COMPOSITE”. Or “Off” to turn off PIP window. Press
"Menu" to return to the previous OSD page.
PIP Size
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Use +/– to select “Small”, “Medium”, and “Large” PIP window. Press "Menu" to return to the main menu.
PIP Bright.
Press +/– to adjust the brightness of PIP window. Press "Menu" to return to the main menu.
PIP Contr.
Press +/– to adjust the contrast of PIP window. Press "Menu" to return to the main menu.
PIP Hue/Tint
Press +/– to adjust the hue/tint of PIP window. Press "Menu" to return to the main menu.
PIP Saturation
Press +/– to adjust the saturation of PIP window. Press "Menu" to return to the main menu.
PIP Hor. Position
Press +/– to adjust the PIP window position horizontally. Press "Menu" to return to the main menu.
PIP Ver. Position
Press +/– to adjust the PIP window position vertically. Press "Menu" to return to the main menu.
Appendix 5 – Special Indication
Self Test Feature Check (STFC)
The floating 'Dell - Self Test Feature Check' dialog will appear on the screen (against a black background) if the
signal cable is detached. The monitor should stay in STFC mode until the input selection button is pressed, or the
cable is re-attached.
“Auto Adjust In Progress” message
When monitor is doing auto adjustment, the “Auto Adjust In Progress” message will appear on the screen.
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“Cannot Display This Video Mode” message
When the D-sub input pixel clock over 200MHz or the input pixel clock over 162 MHz of DVI-D, it cannot be
displayed, the warning message “Cannot Display This Video Mode” will appear on the screen.
“In Power Save Mode” message
When the computer system is under power saving mode, the monitor will show the message of “In Power Save
Mode” before entering the DPMS mode.
Appendix 6 – Translation List
TBD
Appendix 7 – EDID Content
D-SUB port
Item
HEADER
Vendor
Product ID
EDID Version
Revision
Basic Display
Parameter and
Features
Byte
8
2
2
4
1
1
1
1
1
1
1
1
Description
Mfg. Name
Product Code
Serial Number (varies)
Mfg. week (varies)
Mfg. year (varies)
Version
Revision
Video input
Data Hex
00, FF, FF, FF, FF, FF, FF, 00
10,AC
02,A0
34,33,32,31
14
0B
01
03
0E
Max Horiz size cm
Max Vert size cm
Gamma Value
29
1F
96
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Remarks
DELL
2000FP
4321
20th week
2001
1
3
0.7Vpp analog RGB, supports
separate, composite sync and SOG
40.8 cm
30.6 cm
Gamma=2.5
Dell 2000FP LCD Monitor Service Guide
Engineering Specification
Color
Characteristics
Established
Timings
Standard
timing
Detailed
Timing
Description
Monitor
Descriptor
Extension Flag
Check sum
1
Feature Support
EB
10
R,G,B
1
Timing I
4C,40,A1,57,4C,
97,26,1C,50,54
A5
1
Timing II
4B
1
2
2
10
Mfg. reserved
ID #1
ID #2
ID # 3,4,5, 6, 7, and 8
18
00
81,80
A9,40
01,01,01,01,01,01,
01,01,01,01,01,01
Detailed Timing
48,3F,40,30,62,B0,32,40,40,
(Preferred timing mode) C0,13,00,6F,13,11,00,00,1E
18
Serial No
18
Monitor Name
18
Range Limit
1
1
standby/suspend/off
preferred timing
default GTF supported
xR=0.63 yR=0.34 xG=0.30 yG=0.59
xB=0.15 yB=0.11 xW =0.313 yW =0.329
720×400 @ 70: Y
720×400 @ 88: N
640×480 @ 60: Y
640×480 @ 67: N
640×480 @ 72: N
640×480 @ 75: Y
800×600 @ 56: N
800×600 @ 60: Y
800×600 @ 72: N
800×600 @ 75: Y
832×624 @ 75: N
1024×768 @ 87: N
1024×768 @ 60: Y
1024×768 @ 70: N
1024×768 @ 75: Y
1280×1024 @ 75: Y
Not used
1280×1024,60Hz
1600×1200,60Hz
Unused
1600×1200,60Hz
00,00,00,FF,00,30,30,33,30,50
,39,37,52,31,32,33,34,0A
00,00,00,FC,00,44,
45,4C,4C,20,32,30,
30,30,46,50,0A,20
00,00,00,FD,00,38,
4C,1F,50,10,00,0A,
20,20,20,20,20,20
00
00 (varies)
Serial No.
0030P - 97R - 1234
“DELL 2000FP”
Data Hex
00, FF, FF, FF, FF, FF, FF, 00
10,AC
03,A0
34,33,32,31
14
0B
01
03
80
Remarks
V range 56-76Hz
H range 31-80kHz
Max pixel clk 162Mhz
DVI–D port
Item
HEADER
Vendor
Product ID
EDID Version
Revision
Basic Display
Byte
8
2
2
4
1
1
1
1
1
Description
Mfg. Name
Product Code
Serial Number (varies)
Mfg. week (varies)
Mfg. year (varies)
Version
Revision
Video input
16
Confidential
DELL
2000FP
4321
20th week
2001
1
3
digital port
Dell 2000FP LCD Monitor Service Guide
Engineering Specification
Color
Characteristics
Established
Timings
Standard
timing
Detailed
Timing
Description
Monitor
Descriptor
Extension Flag
Check sum
1
1
1
1
Max Horiz size cm
Max Vert size cm
Gamma Value
Feature Support
29
1F
96
EB
10
R,G,B
1
Timing I
4C,40,A1,57,4C,
97,26,1C,50,54
A5
1
Timing II
4B
1
2
2
10
Mfg. reserved
ID #1
ID #2
ID # 3,4,5, 6, 7, and 8
18
00
81,80
A9,40
01,01,01,01,01,01,
01,01,01,01,01,01
Detailed Timing
48,3F,40,30,62,B0,32,40,40,
(Preferred timing mode) C0,13,00,6F,13,11,00,00,1E
18
Serial No
18
Monitor Name
18
Range Limit
1
1
00,00,00,FF,00,30,30,33,30,50
,39,37,52,31,32,33,34,0A
00,00,00,FC,00,44,
45,4C,4C,20,32,30,
30,30,46,50,0A,20
00,00,00,FD,00,38,
4C,1F,50,10,00,0A,
20,20,20,20,20,20
00
00 (varies)
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Confidential
40.8 cm
30.6 cm
Gamma=2.5
standby/suspend/off
preferred timing
default GTF supported
xR=0.63 yR=0.34 xG=0.30 yG=0.59
xB=0.15 yB=0.11 xW =0.313 yW =0.329
720×400 @ 70: Y
720×400 @ 88: N
640×480 @ 60: Y
640×480 @ 67: N
640×480 @ 72: N
640×480 @ 75: Y
800×600 @ 56: N
800×600 @ 60: Y
800×600 @ 72: N
800×600 @ 75: Y
832×624 @ 75: N
1024×768 @ 87: N
1024×768 @ 60: Y
1024×768 @ 70: N
1024×768 @ 75: Y
1280×1024 @ 75: Y
Not used
1280×1024,60Hz
1600×1200,60Hz
Unused
1600×1200,60Hz
Serial No.
0030P - 97R - 1234
“DELL 2000FP”
V range 56-76Hz
H range 31-80kHz
Max pixel clk 162Mhz
Dell 2000FP LCD Monitor Service Guide
Engineering Specification
Appendix 8 – Power State Maximums
CUP
State
ON
Stand-by
Suspend
OFF
Monitor
State
Active
Sleep
Sleep
Sleep
Maximum
Power
60W
5W
5W
5W
Maximum Recovery
time
--
LED State
Green
Amber
Amber
Amber
Appendix 9 – LCD Module Specification
ITEMS
Diagonal size
Pixel arrangement
Display mode
Viewing angle technology
Natural color depth
Input I/F
External dimensions
Surface treatment
Backlight Operating Lifetime
(Brightness=50%)
Maximum starting time
Under operation conditions
LG.PHILIPS LM201U1-A1
20.1 inches (51 cm)
1600×1200×R,G,B
Normally black IPS
Wide view angle
24 bits
TMDS
467.8(W)×361.0(H)×32.0(D)
Hard coating 3H, Anti-glare treatment
30,000Hrs (min)
2 sec
Appendix 10 – Mechanical Specification
All plastics Resin
ITEMS
Material
Texture
UV
Heat Defection Temp.
Flame Retardant Pkg
Flammability
Color
Specification
GEC2800/Bayer FR2000/CHIEL NH-1000T
ACM standard
<1
80°C
Triarylphosphate esters
V0
Midnight gray/Pearl white
Mechanical Assembly
ITEMS
Gap LCD Panel/bezel
Gap front/rear cover
Gap between other plastic parts
Step in the same plastic
Step between different plastics
LCD module centering
Specification
gap<1.2mm
0.5<gap<1.5mm
<1.0mm
<0.5mm
<0.8mm
Viewable area cannot be hidden by the front bezel
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Dell 2000FP LCD Monitor Service Guide
Engineering Specification
Dimensions
ITEMS
Monitor weight
Footprint W×D
Cabinet dimension W×H×D
Bezel opening
Monitor height
Tilt
Specification
Approximately 11.7kg
417.76×266.56mm
512.5(W) X509(H) X226.5 (D) mm
409.9(W)×308(H) mm
509mm
-5~+15 degree
Cosmetic inspection shall be performed under specific time, distance, and lighting requirements as detailed below. This is
to be the first test performed on any new product, and is to be performed under normal lighting of 500 lux as measured
perpendicular to the work surface, and 250 lux as measured perpendicular to the center of the display screen, per ISO 9241-3,
unless otherwise specified. No magnification is to be used except in the case of measuring LCD polarizer or screen defects.
During a visual inspection, a judgment must be made as to whether or not the end user would consider the flaw(s) objectionable.
During this inspection, only visual qualities are to be considered. The unit shall exhibit no objectionable defects under the
following inspection time and viewi ng distance criteria:
- Front panels: Inspect for 10 seconds at viewing distance of 500 mm.
- All other sides: Inspect for 5 seconds each at a viewing distance of 500 mm.
The following items are unacceptable if found during the time given for the inspection:
1. Missing parts.
2. Deformed case parts, control knobs, feet, or other parts.
3. Broken case or other parts.
4. Scratches greater than 0.5mm wide, or greater than 10 mm long, or greater than 0.2 mm deep.
5. Any scratches on the painted surface of any panel which allows the substrate material to show through
6. Any dirt or finger print
Appendix 11 – Regulatories
Safety
P
P
P
P
P
P
P
UL
CSA
TUV
Nemko
Semko
Demko
Fimko
DHHS
CCIB
Other
Agencies
R1950, £Other
R950, £Other
RTUV, RGS, RErgo
CB report
EMC
P
P
P
P
P
P
FCC
CE
VCCI
C-Tick
BCIQ (BSMI)
Other
Agencies
£FCC-A, RFCC-B
£VCCI-I, RVCCI-II
IC/ Canada
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Dell 2000FP LCD Monitor Service Guide
Engineering Specification
Other
Agencies
P
P
P
P
P
P
P
EPA
TCO92
TCO95
TCO99
E2000
GOST
PCBC
PSB
EZU
PTB
Appendix 12 – LCD Module Defects
AQL
Dot defect
Items
Major defect
Minor defect
1 dot
Adjacent 2 dots
Bright dot
Adjacent 3 dots
Min. distance
Total amount of Bright dot
1 dot
Adjacent 2 dots
Dark dot
Adjacent 3 dots
Min. distance
Total amount of Dark dot
Total
Spec
AQL=0.65%
AQL=1.5%
N<=5
N<=1
Not allowed
L>=15mm
N<=5
N<=10
N<=2
Not allowed
L>=15mm
N<=10
N<=10
0.01<=W<=0.1
0.3<=L<=7.0
N<=4
0.2<=D<=0.5
N<=4
0.2<=D<=0.5
N<=4
0.05<=W<=0.1
0.3<=L<=4.0
N<=4
Scratch (linear type)
Polarizer
Dent (circular type)
Dot shape
Foreign
Material
Line shape
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Dell 2000FP LCD Monitor Service Guide
Engineering Specification
Appendix 13 – FOS Specifications (Draft)
Parameter
Symbol
Contrast Ratio
Luminance, white
Luminance uniformity
CIE Color Coordinates
Red
Green
Blue
White
xR
yR
xG
yG
xB
yB
xW
yW
Min.
250
200
70
0.600
0.310
0.270
0.560
0.120
0.080
0.283
0.299
Values
Typ.
350
250
0.630
0.340
0.300
0.590
0.150
0.110
0.313
0.329
Max.
0.660
0.370
0.330
0.620
0.180
0.140
0.343
0.359
è
è
è
è
Tr
80
80
80
80
-
39
45
CR
SBWH
Viewing Angle by CR ≥ 10
x axis, right (Ô =0º)
x axis, left(Ô =180º)
y axis, up(Ô =90º)
y axis, down (Ô =270º)
Response Time
Units
Cd/m2
%
Notes
(See Appendix 14)
2
3
4
5
Degree
msec
6
Appendix 14 – FOS Notes
1. Test conditions: (unless otherwise specified, all measurement shall be made under the test conditions below)
-
Ambient illumination level: dark (<10 lux)
Ambient temperature: 25 oC
Warm-up: 30 minutes
Input signal timing: VESA UXGA @ 60Hz on video generator
User control: Brightness = 90%, Contrast = 50%, Color temperature = Factory user preset mode
Test equipment: Prichard 880 or equivalent
Measurement locations on the flat panel:
1
2
3
Row #120
4
5
6
Row #600
7
8
9
Row #1080
Column #160
Column #800
Column #1440
2. Contrast Ratio CR= Surface luminance (full white pattern) / Surface luminance (full black pattern)
3. Luminance SBWH=L5
4. Luminance variation SBV = Min (L1, L2,…L9) / Max (L1, L2,…L9) ×100%
5. Viewing angle:
Measurement is done at position 5
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Dell 2000FP LCD Monitor Service Guide
Engineering Specification
Viewing angle origine is the axis normal to the flat panel. Left (L) and right (R) values are the maximum angles for
which CR 10. Up (U) and down (D) values are the maximum angles for which CR 10.
See figure below:
Normal
E
è
y
o
Ô = 90 Up
Ô
x
o
Ô = 180 Left
o
Ô = 0 Right
o
Ô = 270 Down
6. Response time
TrR measures the transition time of L1 relative luminance from white to black state, from 90% to 10% (see graph
below)
TrD measures the transition time of L1 relative luminance from black to white state, from 10% to 90% (see graph
below)
TrD
TrR
%
100
90
Optical
Response
10
0
white
black
7. White balance and chromaticity: measured at Center position.
8. Dark luminance: at any point
Specific conditions: dark luminance is measured in a dark room (< 10 lux).
Appendix 15 – Shipment Conditions
ITEM
Brightness
Contrast
OSD-Color temp.
OSD-Image size
OSD-Language
OSD-Timeout
State
90%
50%
6500K
Fill
English
20 sec
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white
Dell 2000FP LCD Monitor Service Guide
Alignment Procedure
Casing input
LCM sorting
Use UXGA 60Hz with Full-White / Full-Black / Pure-R / Pure-G / Pure-B patterns to check LCM.
I/F board barcode scanning
Mechanical offset adjustment
DDC Programming
Preset timing check
D-SUB port / DVI port
Check the following preset timings with General pattern:
No.
Mode
H
1
720×400 @ 70Hz
31.468
2
640×480 @ 60Hz
31.469
3
640×480 @ 75Hz
37.500
4
800×600 @ 60Hz
37.879
5
800×600 @ 75Hz
46.875
6
1024×768 @ 60Hz
48.363
7
1024×768 @ 75Hz
60.023
8
1280×1024 @ 60Hz
63.981
9
1280×1024 @ 75Hz
79.976
10
1600×1200 @ 60Hz
75.000
V
70.8
59.940
75.000
60.317
75.000
60.004
75.029
60.020
75.025
60.000
PIP function
No.
1
2
3
4
Monitor settings
Main source: D-SUB or DVI displaying normally
PIP source: S-Video and PIP size: Large
Main source: D-SUB or DVI displaying normally
PIP source: Comp. and PIP size: Large
Signal source
S-Video with DVD-NTSC
S-Video with DVD-PAL
Comp. with DVD-NTSC
Comp. with DVD-PAL
Criteria
DVD video is displaying normally.
Video function
No.
Monitor settings
1
Main source: S-Video
2
3
Main source: Comp. video
4
Signal source
S-Video with DVD-NTSC
S-Video with DVD-PAL
Comp. with DVD-NTSC
Comp. with DVD-PAL
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Criteria
DVD video is displaying normally.
Dell 2000FP LCD Monitor Service Guide
Alignment Procedure
Brun in
Set the monitor to Burn-In mode before burning in.
Casing output
Performance checking
Powering up with factory mode
Connect D-SUB signal and the power.
Hold ‘Auto’ and ‘Source’ keys at the same time for 5 sec to let the monitor power up in the factory mode.
D-SUB port
Use UXGA 60Hz with 5-Mosaic pattern to calibrate the ADCs.
Check the following preset timings with General pattern:
No.
Mode
H
V
1
720×400 @ 70Hz
31.468
70.8
2
640×480 @ 60Hz
31.469
59.940
3
640×480 @ 75Hz
37.500
75.000
4
800×600 @ 60Hz
37.879
60.317
5
800×600 @ 75Hz
46.875
75.000
6
1024×768 @ 60Hz
48.363
60.004
7
1024×768 @ 75Hz
60.023
75.029
8
1280×1024 @ 60Hz
63.981
60.020
9
1280×1024 @ 75Hz
79.976
75.025
10
1600×1200 @ 60Hz
75.000
60.000
Press Auto-Adjustment if needed.
Check if the picture is OK and no jitters are found. Any noise on the picture will not be acceptable.
DVI port
Connect DVI-D signal.
Check the following preset timings with General pattern:
No.
Mode
H
V
1
720×400 @ 70Hz
31.468
70.8
2
640×480 @ 60Hz
31.469
59.940
3
640×480 @ 75Hz
37.500
75.000
4
800×600 @ 60Hz
37.879
60.317
5
800×600 @ 75Hz
46.875
75.000
6
1024×768 @ 60Hz
48.363
60.004
7
1024×768 @ 75Hz
60.023
75.029
8
1280×1024 @ 60Hz
63.981
60.020
9
1280×1024 @ 75Hz
79.976
75.025
10
1600×1200 @ 60Hz
75.000
60.000
Check if the picture is OK and no jitters are found. Any noise on the picture will not be acceptable.
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Dell 2000FP LCD Monitor Service Guide
Alignment Procedure
PIP function
No.
1
2
3
4
Monitor settings
Main source: D-SUB or DVI displaying normally
PIP source: S-Video and PIP size: Large
Main source: D-SUB or DVI displaying normally
PIP source: Comp. and PIP size: Large
Signal source
S-Video with DVD-NTSC
S-Video with DVD-PAL
Comp. with DVD-NTSC
Comp. with DVD-PAL
Criteria
DVD video is displaying normally.
Any noise will not be acceptable
Video function
No.
Monitor settings
1
Main source: S-Video
2
3
Main source: Comp. video
4
Signal source
S-Video with DVD-NTSC
S-Video with DVD-PAL
Comp. with DVD-NTSC
Comp. with DVD-PAL
Criteria
DVD video is displaying normally.
Any noise will not be acceptable
Default settings
No.
1
2
3
4
5
6
Item
Brightness
Contrast
Color temperature
Image scaling
Language
OSD hold time
Default values
90
50
6500K
Fill
English
20
Color temperatures
Color temperature
9300K
6500K
The x coordinate
283±30
313±30
The y coordinate
297±30
329±30
Brightness uniformity
Input source: D-SUB or DVI-D running at UXGA 60Hz
No.
Item
Spec
1
Brightness (center point)
250 cd/m2
2
Uniformity (9 points)
Lmin/Lmax > 70%
Power consumption
No.
1
2
Item
Power saving
Normal operation
Spec
< 5W
60W
Serial Number recording & DDC checking (Both D-SUB and DVI)
On-Line QA / Cosmetic Inspection
Packing
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Dell 2000FP LCD Monitor Service Guide
Circuit Operation Theory
Introduction
This specification describes a 20.1" UXGA TFT LCD monitor with a power adapter. It supports maximal resolution up to
1600×1200 and analog and digital inputs with DPMS. It also supports S-VIDEO and COMPOSITE video inputs. It features:
- Auto Key (Automatic adjustment function)
- User control: on/off switch, OSD control, brightness and contrast quick access, and input source selection keys
- Multi-timing support
- High quality advanced scaling function
- Power on/off indicator
- 4 input indication LEDs
- Universal power adapter
- 0.255(W)×0.255(H) mm dot pitch LCD panel
- PIP (picture in picture) feature
- Fancy OSD features:16-bit bitmap color for the splash screen, 16 pallets out of 16 bits colors for the OSD icons.
Block diagram
FP2036 consists of an LCD module with 6 lamps, an Inverter, an Interface board with DC-DC, ADC, DVI and Video
circuit, and 2 control boards. There is one adaptor converting AC input to DC 20V. The block diagram is shown below:
LCD module with 6 lamps (backlight)
Inverter
Main board with DC-DC circuit
Control board
D-Sub
DVI-D
DC 20V adapter
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S-Video Composite
Dell 2000FP LCD Monitor Service Guide
Circuit Operation Theory
Circuit operation theory
Block diagram
D-SUB
140MHz
Flash Rom
Clock
ADC
8 Mbits
Generator
100MHz
ADC
GPORT
PW171
DVI-D
Single Link
TMDS
S-VIDEO
Video
TMDS
UXGA
Trans-
1600×1200
mitter
LCM
VPORT
Deinterlacer
Decoder
COMP.
RS232
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Keypad
Dell 2000FP LCD Monitor Service Guide
Circuit Operation Theory
Circuit operation theory
A basic operation theory for the interface board is to convert input signal into digital RGB or YUV data.
Analog RGB signal is converted to digital signal through ADC. DVI-D signal is converted through TMDS
receiver. Video decoder is used to capture and scale S-typed and composite video signal. It is able to decode the
color of PAL , SECAM, and NTSC system. The microprocessor PW171 receives graphic and video data and
optimizes the image automatically. It also supports PIP function, input source selection, 16 color from a 64k
palette bitmap OSD, on-chip frame buffer providing frame rate conversion, and keypad controlling. The output
data are sent to LCD module through a TMDS transmitter.
Main function ICs
A/D converter
2 AD9884A’s are used as ADCs. Master one goes up to 140MHz and the slave one 100MHz. The maximal
resolution supported is UXGA 60Hz, which has a pixel clock of 162MHz. Any supported mode whose
pixelclock is under 140MHz will use only master ADC (running up to 140MHz). Timings that have pixel clocks
between 140MHz and 200MHz will use both ADCs running up to 100MHz each to perform a 200Mhz ADC
virtually. When 2 ADCs are utilized, one of them takes care of the sampling at even clocks and the other at odd
clocks. 24-bit digital RGB data are then converted and go to G-Port of PW171. Notice that these digital data are
wired-ORed with the data from TFP401, TMDS receiver at DVI-D port.
TMDS receiver
TI TFP401 is used as a TMDS receiver. The maximal pixel clock is 162MHz, 1600×1200@60Hz. 24-bit data
(dual-pixel mode) are decoded and go to G-Port of PW171. These data are wired-ORed with the data from 2
AD9884’s, A/D converters at D-SUB port.
Video decoder
Philips SAA7114H is used as a video decoder to decode signals from S-Video and Composite Video. It decodes
the video signal of PAL, SECAM and NTSC formats. The decoded data contain 8-bit UV color data and 8-bit
luminance data. The data go to the video de-interlacer.
Video de-interlacer
Genesis gmVLX1A-X is used to de-interlace input video data. Video is required to be de-interlaced for better
display on progressive scan monitors. The gmVLX1A-X requires an external RAM to store one previous field.
De-interlaced data go to V-Port of PW171.
Image processor
Pixelworks image processor PW171 is a highly integrated "system-on-a-chip" that interfaces analog ,digital, and
video input formats. An embedded SDRAM frame buffer and memory controller perform frame rate conversion.
An integrated OSD controller provides bit-mapped based OSDs with 16 colors out of a 64K color palette.
TMDS transmitter
SiliconImage SiI160 is used to perform TMDS dual pixel data transmission . It transmits the displaying data to
the LG-Philips LM201U1-A3 UXGA LCM.
Flash ROM
A flash ROM is used to store the firmware program used by the image processor PW171.
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Dell 2000FP LCD Monitor Service Guide
Circuit Operation Theory
DDC IC for both D-SUB and DVI
24C02 is used to support DDC2B function in both D-SUB and DVI ports. EDID data used for D-SUB and DVI
are stored in different 24C02’s respectively.
EEPROM
A 24C16 (2048 bytes) is used to store user settings, such as user timing settings, brightness/contrast, color
temperature, etc.
DC-DC converter
Buck Converter
L701
68U
Q703
2N3904
R737
20K
R715
22
R714
3.3K
+
Q704
2N3906
R731 R732
0
R733
2.7K
1
2
3
4
Q705
SI4431DY
8
S
D
7
S
D
6
S
D
5
G
D
D701
RB060L-40
L703
OPEN
C713
100U
16V
+C712 + C711 +
100U
16V
100U
16V
D703
RB060L-40
R719
1.1K
(1%)
GND
Fig.1
Fig.1 shows a typical Buck converter circuit. Q705 is a switching device. Q703, Q704 are a totem pole which
gets enough ability to drive P-MOS. When pin4 of Q705 is low, Q750 turns on. At high level, Q750 turns off.
So, pulse waveform will appear at D-terminal of Q705. L701,C711,C712,C713 and D701,D703 will transfer the
pulse to stable DC level.
PWM IC (TL1451)
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Dell 2000FP LCD Monitor Service Guide
Circuit Operation Theory
C702
680P
C704
R705
10K (OPEN)
(1%)
R710
5.1K
R706
10K
C709
1U
16V
(1206)
9
VCC
C708
1U
16V
(1206)
GND
8
6
7
1DTC
1OUT
2DTC
2OUT
10
11
12
5
4
1IN-
1FBK
2IN-
2FBK
13
14
1IN+
R723
OPEN
R711
5.1K
C705
(OPEN)
1IN+
3
15
SCP
RT
2
1
CT
RFF
16
C703
1U
16V
(1206)
(SHORT)
IC701
TL1451
VREF
C707
0.01U
R707
10K
VREF
R724
OPEN
R713
47K
VREF
C710
1U
16V
(1206)
R712
47K
C706
0.01U
R708
10K
Fig. 2
The TL1451AC incorporates on a single monolithic chip all the functions required in the construction of two
pulse-width modulation control circuits. Designed primarily for power supply control, the TL1451AC contains
an on-chip 2.5V regulator two error amplifiers, an adjustable oscillator, two dead-time comparators,
undervoltage lockout circuitry, and dual common-emitter output transistor circuits. The uncommitted output
transistors provide common-emitter output capability for each controller. The internal amplifiers exhibit a
common-mode voltage range from 1.04V to 1.45V. The dead-time control comparator has no offset unless
externally altered and can provide 0% to 100% dead time. The on-chip oscillator can be operated by erminating
RT and CT. During low Vcc conditions, the undervoltage lockout control circuit feature locks the outputs off
until the internal circuitry is operational.
Feed-back Circuit
C717
1200P
50V
R718
1.8K
(1%)
R726
330
1/4W
(1206)
R719
1.1K
(1%)
Fig. 3
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Dell 2000FP LCD Monitor Service Guide
Circuit Operation Theory
The feedback circuit is composed of two resistors. They are R718 and R719, and feedback the DC level 1.25V
with error signal . C717 is a compensation capacitor, and R726 is dummy load.
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4
5
C/27P/1808
C14
2 N51
1
C/27P/1808 N16
3
8
1
7
5
6
1
D10
D/BAV99
2 R21
1
N34
1
CP5
C/CP
2
1
11
1
1
N91
R48
1 N88 L8
D19 75V L/450m R/350k
2
1 N89
1
1
1
C
R49
R/12k
2
2
N57
1
2
R22
R/121/0805
2
2
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SM02(8.0)B-BHS-1-TB
2
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1
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8
1
7
5
6
3
4
2
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023ict-0
023ict-0.sch
Title
MODIFY FOR CURRENT BALANCE05/09/2001
0
REV.
3
4
5
AMBIT
Doc.No.
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T05I023.00
PREPARED BY
NEW RELEASE
04/12/2001
SCALE
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REVIEWED BY
DESCRIPTION
REL. DATE
SHEET
1 of 1
APPROVED BY
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1
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A
1
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R/121/0805
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N77
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1
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2
2
2
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1
R/4.75K
C/475Z/0805
R17
R/0 ohm
2
1
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C/475Z/0805
2
1
1
R/NC
R34
R/2K/1206
N60
2
R35
R/2K/1206
1
2
2
1
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1
2
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2
2
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2
2
1
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2
2
2
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1
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1R/470/0805R28 2
2
C/105Z/0805
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2
2
2
6
5
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1
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D/LS4148
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R/5.1K
2
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2
2
4
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1 N90
1
1
1
2
1
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1
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6
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7
8
Dell 2000FP LCD Monitor Service Guide
Trouble Shooting
Categorizing the problem before troubleshooting
Step Condition
1 The monitor is connected to
the adaptor
2 The monitor is connected to
appropriate signal source and
the power button is pressed
3 Picture is displaying but not
good
4
Picture is displaying normally
5
No DDC
Symptoms
All LEDs are on
Troubleshooting category
Abnormal LED troubleshooting
LED is not working correctly
No splash screen / No video
Power not good troubleshooting
No video troubleshooting
Picture on D-SUB is not good
Picture on DVI is not good
Picture on S-Video is not good
Picture on Composite video is not good
Picture on PIP is not good
Press menu key but there is no OSD
Source selection key is not working
Auto adjustment key is not working
OSD control keys are not working
PC system doesn’t detected the correct
monitor name
D-SUB troubleshooting
DVI troubleshooting
S-Video troubleshooting
Composite video troubleshooting
PIP troubleshooting
Keys not working troubleshooting
DDC troubleshooting
Abnormal LED troubleshooting
Normal operation
Right after the adaptor is connected to the monitor, all the LEDs will turn on for less than 3 seconds and then
turn off.
Troubleshooting scope
This troubleshooting applies to the case that all the LEDs are permanently on after the adaptor is connected.
Step Check item
1 The LEDs are on permanently
2 IC113 is working and there is a valid
clock output on pin 5
3 There is clock waveform on the 2 pins
of Y103
4 The LEDs are working normally
Yes
No
Step 2
Beyond the scope
Replace IC123 and go to Step 4 Step 3
Replace IC113
Go to step 4
Problem solved
Replace Y103
Go to step 4
Contact ACM
Note
*
*Note: If the LEDs are not working, the image processor U1 and related ICs may not be working normally.
Power not good troubleshooting
Normal operation
The LED on the AC adaptor is on. The monitor is connected correctly to the adaptor. After the power key is
pressed, the power LED (green color) turns on and works normally.
Troubleshooting scope
1
Confidential
Dell 2000FP LCD Monitor Service Guide
Trouble Shooting
This troubleshooting applies to the 2 cases:
1. The LED of the AC adaptor does not turn on.
2. The power LED of the monitor does not turn on normally after the power key is pressed.
Step Check item
1 Detach the AC adaptor from the monitor
and see if the LED of the AC adaptor
turns on normally.
2 The power cord is good.
3 Connect the AC adaptor to the monitor
and see if the adaptor’s LED is on.
4 Check if control board and the power
key is OK.
5 Detach wire cables at CON106,
CON107 and CON108.
Press power key again and see if the
power LED on the monitor turns on.
6 See if the LCM is good.
7 See if the inverter is good.
Yes
The AC adaptor is good.
Go to step 3.
No
Step 2
Replace the AC adaptor.
Step 4
Replace the power cord.
Step 5
Step 5
Step 6
Keys not working
troubleshooting
There is short circuit
somewhere in the interface
board.
Step 7
Contact ACM.
Replace the LCM.
Replace the inverter.
Note
No video troubleshooting
Normal operation
A splash screen shows up when the power key is pressed and the monitor turns on. The display is either
normal when appropriate signal is connected or there will be pop-up messages indicating ‘Check Signal Cable’,
‘In Power Save Mode’ or ‘Cannot Display This Video Mode’.
Troubleshooting scope
This troubleshooting applies to the case that the power LED on the monitor turns on normally after the power
key is pressed but there is no splash screen showing up and no display is showing.
Step Check item
1 Remove all the signal cables and the
adaptor cable. Plug in the adaptor cable
again. Press the power key and the
power LED turns on green.
2 A splash screen shows up.
3
4
5
6
7
8
Yes
Step 2
No
Power not good trouble
shooting
LCM is good.
Go to port-specific trouble
shooting by checking which
input LED turns on.
Check if interfacing cables at CON106, Step 4
CON107 and CON108 are OK and well
connected to LCM and interver.
Replace an inverter and see if it works
Inverter damaged
Replace an LCM and see if it works
LCM damaged
Check display port output at PW171.
U1 and IC114 PLL circuit are
check if sync signals are normal and
good
stable at RP126.
Go to step 7
Check if TMDS signals at CON107 are Contact ACM
good
Check if PLL part at IC114 is working Contact ACM
normally
2
Confidential
Step 3
Fix the cables.
Step 5
Step 6
Step 8
Check IC110 and replace it if
needed
Replace Y104 if needed
Note
Dell 2000FP LCD Monitor Service Guide
Trouble Shooting
D-SUB troubleshooting
Normal operation
The monitor supports up to UXGA 60Hz on the D-SUB port. The image is displayed normally.
Troubleshooting scope
This troubleshooting applies to the case that ‘Check Signal Cable’ is working normally but the image on DSUB is not displaying correctly.
Step Check item
1 Current input source is D-SUB. Remove
D-SUB cable and see if the floating
message ‘Check Signal Cable’ appears.
2 Plug in D-SUB cable and check if any
image is displaying
3 Check if image becomes normal by
automatically or manually adjusting
Pixel Clock and Phase in OSD
4 Check if H-sync and V-sync is good at
R260, R261 and pin 2, 3, 5 and 6 of
IC905
5 Check if G-CLK clock signal is good at
R917
6 Check if R/G/B input signal at pin 7, 15,
22 of IC907 and IC107 is good
Yes
Step 2
No
No video troubleshooting
Step 3
Step 4
CND / The monitor is good.
Step 4
Step 5
Check components on H-sync
and V-sync paths
Step 6
Check IC901 and IC107 circuit
Note
Check IC901 and IC107 circuit Check D-SUB signal cable and
connector CON101.
DVI troubleshooting
Normal operation
The monitor supports up to UXGA 60Hz on the DVI port. The image is displayed normally.
Troubleshooting scope
This troubleshooting applies to the case that ‘Check Signal Cable’ is working normally but the image on DVI
is not displaying correctly.
Step Check item
1 Current input source is DVI. Remove
DVI cable and see if the floating
message ‘Check Signal Cable’ appears.
2 Plug in DVI cable and check if any
image is displaying.
3 Check if sync and clock are good at
RP413.
4 Check if DVI signal cable and connector
CON401 are OK.
5 Check if DDC on DVI port is OK
Yes
Step 2
No
No video troubleshooting
Step 4
Step 3
Check IC401 circuit.
Step 4
Step 5
Fix the cable and connector.
Replace IC401.
Check EDID and DDC circuit at
IC402.
S-Video troubleshooting
Normal operation
3
Confidential
Note
Dell 2000FP LCD Monitor Service Guide
Trouble Shooting
The monitor supports NTSC/PAL/SECAM formats on the S-Video port. The video is displayed normally.
Troubleshooting scope
This troubleshooting applies to the case that ‘Check Signal Cable’ is working normally but the video on SVideo is not displaying correctly.
Step Check item
1 Current input source is S-Video.
Remove S-Video cable and see if the
floating message ‘Check Signal Cable’
appears.
2 Plug in S-Video cable and check if any
video is displaying.
3 Check if the color setting is correct by
adjusting Color in OSD.
4 Check if CON601, R608, R609, R633
and R634 are OK.
Yes
Step 2
No
No video troubleshooting
Step 3
Step 4
Note
Step 4
Set Hue/Tint and Saturation to
50.
Check IC602, IC128 and IC129 Fix the components.
circuit.
Composite video troubleshooting
Normal operation
The monitor supports NTSC/PAL/SECAM formats on the Composite video port. The video is displayed
normally.
Troubleshooting scope
This troubleshooting applies to the case that ‘Check Signal Cable’ is working normally but the video on
Composite video is not displaying correctly.
Step Check item
1 Current input source is Composite
video. Remove Composite video cable
and see if the floating message ‘Check
Signal Cable’ appears.
2 Plug in Composite video cable and
check if any video is displaying.
3 Check if the color setting is correct by
adjusting Color in OSD.
4 Check if CON602, R635 and R610 are
OK.
Yes
Step 2
No
No video troubleshooting
Step 3
Step 4
Note
Step 4
Set Hue/Tint and Saturation to
50.
Check IC602, IC128 and IC129 Fix the components.
circuit.
PIP troubleshooting
Normal operation
The monitor supports PIP feature for S-Video and Composite video. The video is displayed normally on the
PIP window.
Troubleshooting scope
This troubleshooting applies to the case that S-Video or Composite video is displaying normally without PIP
but not displaying correctly on the PIP.
4
Confidential
Dell 2000FP LCD Monitor Service Guide
Trouble Shooting
Step Check item
1 Use source selection key to let S-Video
/ Composite video displayed with full
screen instead of PIP window.
2 Check if video signal is displayed
normally
3 Set PIP feature active and set PIP
settings like PIP Brightness and PIP
Contrast correctly. See if the problem is
solved
Yes
-
No
-
Step 3
S-Video / Composite video
troubleshooting
Contact ACM
CND / The monitor is good.
Note
Keys not working troubleshooting
Normal operation
The 8 keys on the monitor are for Power On/Off, Auto-adjust, Source Selection, and OSD controls.
Troubleshooting scope
This troubleshooting applies to the case that image is displayed on the screen normally but some of the key
functions are not working properly.
Step Check item
Yes
1 Check if the control board and wires are Step 2
connected well
2 Check if CON115 and CON109 are well Check IC120 circuit.
connected with the wires.
No
Fix the wires.
Note
Fix the wires.
DDC troubleshooting
Normal operation
The monitor can be detected by Plug-and-Play Windows system. Graphics cards normally need valid EDID
data to be detected before the DVI port can be activated.
Troubleshooting scope
This troubleshooting applies to the case that the monitor cannot be detected by PNP Windows system.
Step Check item
1 Check if the D-SUB / DVI signal cable
is good.
2 Use DDC programming equipment to
dump EDID and see if EDID can be read
out.
3 Check if EDID content is correct.
Yes
Step 2
No
Replace with a good cable.
Step 3
Check IC104 circuit for D-SUB
port and IC402 for DVI port.
Contact ACM.
Keep the serial number and reprogram the EDID.
5
Confidential
Note