Samsung SGH-E700 service manual

Transcription

GSM TELEPHONE
SGH-E700
SERVICE
GSM TELEPHONE
Manual
CONTENTS
1.
Specification
2.
Circuit Description
3.
Exploded Views and Parts List
4.
Electrical Parts List
5.
Block Diagrams
6.
PCB Diagrams
7.
Flow Chart of Troubleshooting
ELECTRONICS
ⓒ Samsung Electronics Co.,Ltd. June. 2003
Printed in Korea.
This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
Code No.: GH68-04050A
BASIC.
1. SGH-E700 Specification
1. GSM General Specification
GS M9 0 0
Ph a se 1
E GS M 9 0 0
Ph a se 2
DC S 1 8 0 0
P h as e 1
F r eq . B a n d [M Hz ]
Up l in k / Do w n li n k
8 9 0 ~9 1 5
9 3 5 ~9 6 0
8 8 0 ~9 1 5
9 2 5 ~9 6 0
1 7 1 0 ~1 7 8 5
1 8 0 5 ~1 8 8 0
A RF C N r a n g e
1 ~1 2 4
0~124 &
9 7 5 ~1 0 2 3
5 1 2 ~8 8 5
T x /R x s p ac in g
4 5 MHz
4 5 MHz
9 5 M Hz
Mo d . B i t r at e/
Bi t Pe r i o d
270.833kbps
3.692us
2 7 0 .8 3 3 k b p s
3 .6 9 2 u s
270.833kbps
3.692us
Ti me Sl o t
P er io d / F r am e P er i o d
576.9us
4 .6 1 5 m s
5 7 6 .9 u s
4 .6 1 5 m s
576.9us
4 .6 1 5 m s
Mo d u l a ti o n
0 .3 G MS K
0 .3 G MS K
0 .3 GM SK
M S P o we r
3 3 d Bm ~1 3 d B m
3 3 d Bm ~5 d B m
3 0 d B m ~0 d B m
Po w er C l as s
5 p cl ~ 1 5 p c l
5pcl ~ 19pcl
0pcl ~ 15pcl
Se n si t iv i t y
-102dBm
- 1 0 2 d Bm
-100dBm
TDM A M u x
8
8
8
C el l Ra d iu s
3 5 Km
3 5 Km
2 Km
1-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
SGH-E700 Specification
2. GSM TX power class
TX Power
control level
GSM900
TX Power
DCS1800
control level
5
33±2 dBm
0
30±3 dBm
6
31±2 dBm
1
28±3 dBm
7
29±2 dBm
2
26±3 dBm
8
27±2 dBm
3
24±3 dBm
9
25±2 dBm
4
22±3 dBm
10
23±2 dBm
5
20±3 dBm
11
21±2 dBm
6
18±3 dBm
12
19±2 dBm
7
16±3 dBm
13
17±2 dBm
8
14±3 dBm
14
15±2 dBm
9
12±4 dBm
15
13±2 dBm
10
10±4 dBm
16
11±3 dBm
11
8±4dBm
17
9±3dBm
12
6±4 dBm
18
7±3 dBm
13
4±4 dBm
19
5±3 dBm
14
2±5 dBm
15
0±5 dBm
1-2
2. SGH-E700 Circuit Description
1. SGH-E700 RF Circuit Description
1) RX PART
1. ASM(F101) → Switching Tx, Rx path for GSM900, DCS1800 by logic controlling.
2. ASM Control Logic (U102, U103) → Truth Table
VC_1
VC_2
GSM Tx Mode
L
H
DCS Tx Mode
H
L
GSM Rx Mode
L
L
DCS Rx Mode
L
L
3. FILTER
To convert Electromagnetic Field Wave to Acoustic Wave and then pass the specific frequency band.
- GSM FILTER (C105,C107,L101) → For filtering the frequency band between 925 ~ 960 MHz
- DCS FILTER (C110,C113,L103) → For filtering the frequency band 1805 and 1880 MHz.
4. TC-VCXO (OSC100)
To generate the 13MHz reference clock to drive the logic and RF.
After additional process, the reference clock applies to the U101 Rx IQ demodulator and Tx IQ modulator.
The oscillator for RX IQ demodulator and Tx modulator are controlled by serial data to select channel and use fast lock
mode for GPRS high class operation.
5. OM5178 (U100)
This chip integrates two differential-input LNAs.
The GSM input supports the E-GSM, DCS input supports the DCS1800. The LNA inputs are matched to the 200 ohm
differential output SAW filters through eternal LC matching network.
Image-reject mixer downconverts the RF signal to a 100 KHz intermediate frequency(IF) with the RFLO from VOL1861
frequency synthesizer. The RFLO frequency is between 1801 ~ 1921 MHz.
The Mixer output is amplified with an analog programmable gain amplifier(PGA), which is controlled by AGAIN.
The quadrature IF signal is digitized with high resolution A/D converts (ADC).
2) TX PART
Baseband IQ signal fed into offset PLL, this function is included inside of U100 chip.
OM5178 chip generates modulator signal which power level is about 1.5dBm and fed into Power Amplifier(PAM100).
The PA output power and power ramping are well controlled by Auto Power Control circuit.
We use offset PLL below table.
2-1
SGH-E700 Circuit Description
200kHz offset
30 kHz bandwidth
Modulation Spectrum
400kHz offset
30 kHz bandwidth
600kHz ~ 1.8MHz offset
30 kHz bandwidth
GSM
-35dBc
DCS
-35dBc
PCS
-35dBc
GSM
-66dBc
DCS
-65dBc
PCS
-66dBc
GSM
-75dBc
DCS
-68dBc
PCS
-75dBc
2. Baseband Circuit description of SGH-E700
1. PCF50601
1.1. Power Management
Ten low-dropout regulators designed specifically for GSM applications power the terminal and help ensure optimal system
performance and long battery life. A programmable boost converter provides support for 1.8V, 3.0V, and 5.0V SIMs,
while a self-resetting, electronically fused switch supplies power to external accessories. Ancillary support functions, such
as RTC module and High Voltage Charge pump, Clock generator, aid in reducing both board area and system complexity.
I2C BUS serial interface provides access to control and configuration registers. This interface gives a microprocessor full
control of the PCF50601 and enables system designers to maximize both standby and talk times.
Supervisory functions. including a reset generator, an input voltage monitor, and a temperature sensor, support reliable
system design. These functions work together to ensure proper system behavior during start-up or in the event of a fault
condition(low microprocessor voltage, insufficient battery energy, or excessive die temperature).
1.2. Backlight Brightness Modulator
The Backlight Brightness Modulator (BBM) contains a programmable Pulse-width modulator (PWM) and FET
to modulate the intensity of a series of LED’s or to control a DC/DC converter that drives LCD backlight.
This phone (SGH-E700) is not use PWM, but use DC CONTROL (BL_VDD)
So "BL_VDD" voltage is high value, backlight brigtness is gloomy and "BL_VDD" voltage is low value, backlight is
bright.
1.3. Clock Generator
The Clock Generator (CG) generates all clocks for internal and external usage. The 32768 Hz crystal
oscillator provides an accurate low clock frequency for the PCF50601 and other circuitry.
2. Connector
2-1. LCD Connector
LCD is consisted of main LCD(color 65K TFT LCD) and small LCD(256 EL LCD). Chip select signals in the U302,
LCD_MAIN_CS and LCD_SUB_CS, can enable Each LCD. LCD_MAIN_CS signal enables white LED of main LCD and
LCD_SUB_CS signal enables EL of small LCD. These two signals are from IO part of the DSP in the U302(alpha chip).
2-2
"RESET_2V8" signal initiates the Reset process of the LCD.
16-bit data lines(LD(0)~LD(15)) transfers data and commands to LCD through by pass capacitor. Data and commands use
"RS" signal. If this signal is high, Inputs to LCD are commands. If it is low, Inputs to LCD are data. The signal which
informs the input or output state to LCD, is required. But this system is not necessary this signal. So "L_WR" signal is
used to write data or commands to LCD. Power signals for LCD are "VBAT" and "VDD2".
"SPK_P" and "SPK_N" from OM6357 are used for audio speaker. And "VDD_VIB" from PCF50601 enables the motor.
2-3. IRDA
This system uses IRDA module, HSDL_3208, Agilent's. This has signals, "IRDA_DOWN"(enable signal), "RXD0"(input
data) and "TXD0"(output data). These signals are connected to OM6357. It uses two power signals. "VDD2" is used for
circuit and "VBAT" is used for LED.
2-4. Key
This is consisted of key interface pins among OM6357, KBIO(0:7). These signals compose the matrix. Result of matrix
informs the key status to key interface in the OM6357. Power on/off key is seperated from the matrix. So power on/off
signal is connected with PCF50601 to enable PCF50601. twelve key LED use the "VBAT" supply voltage.
"VDD_KEY"
signal enables LEDs with current control. "FLIP" informs the status of folder (open or closed) to the OM6357. This uses
the hall effect IC, A3210ELH. A magnet under main LCD enables A3210ELH.
2-5. EMI ESD Filter
This system uses the EMI ESD filter, EMIF09 to protect noise from IF CONNECTOR part.
2-6 IF connetor
It is 18-pin connector. They are designed to use VBAT, V_EXT_CHARGE, TXD0, RXD0, RTS0, CTS0, JIG_REC,
CHARGER_OK, RXD1, TXD1, AUX_MIC, AUX_SPK and GND. They connected to power supply IC, microprocessor
and signal processor IC.
3. Battery Charge Management
a complete constant-current/constant-voltage linear charger for single cell lithium-ion batteries.
If ta connected to phone, "V_EXT_CHARGE" enable charger IC and supply current to battery.
when fault condition caused, "CHG_ON" signal level change low to high and charger IC stop charging
process.
4. Audio
EARP_P and EARP_N from OM6357 are connected to the main speaker. AUXSP is connected to the Hands free kit.
MIC_P and MIC_N are connected to the main MIC. And AUX_MIC_P and AUX_MIC_N are connected to the Hands
free kit.
YMU762MA3 is a LSI for portable telephone that is capable of playing high quality music by utilizing FM synthesizer
and ADPCM decorder that are included in this device.
As a synthesis, YMU762MA3 is equipped 32 voices with differenttones. Since the device is capable of simultaneously
generating up to synchronous with the play of the FM synthesizer, various sampled voices can be used as sound effects.
Since the play data of YMU762MA3 are interpreted at anytime through FIFO, the length of the data(playing period) is
not limited, so the device can flexiblysupport application such as incoming call melody music distribution service.
2-3
The hardware sequencer built in this device allows playing of the complex music without giving excessive load to the
CPU of the portable telephones. Moreover, the registers of the FM synthesizer can be operated directly for real time
sound generation, allowing, for example, utilization of various sound effects when using the game software installed in the
portable telephone.
YMU762 includes a speaker amplifier with high ripple removal rate whose maximum output is 550mW (SPVDD=3.6V).
The device is also equipped with conventional function including a vibartor and a circuit for controlling LEDs
synchornous with music.
For the headphone, it is provided with a stereophonic output terminal.
For the purpose of enabling YMU762MA3 to demonstarte its full capablities, Yamaha purpose to use "SMAF:Synthetic
music Mobile Application Format" as a data distribution format that is compatible wiht multimedia. Since the SMAF takes
a structure that sets importance on the synchronization between sound and images, various contents can be written into it
including incoming call melody with words that can be used for traning karaoke, and commercial channel that combines
texts, images and sounds, and others. The hardware sequencer of YMU762MA3 directly interprets and plays blocks
relevant to systhesis (playing music and reproducing ADPCM with FM synthesizer) that are included in data distributed in
SMAF.
5. Memory
signals in the OM6357 enable two memories. They use only one volt supply voltage, VDD3 in the PCF50601. This
system uses Samsung's memory, KBB06A300M-T402. It is consisted of 128M bits flash NOR memory and 128M bits
flash NAND memory and 32M bits UtRAM. It has 16 bit data line, HD[0~15] which is connected to OM6357 and
MV317S. It has 23 bit address lines, HA[1~23]. CS_NAND and NCSRAM signals is chip select.
Wrting process,
HWR_N is low and it enables writing process to flash memory and SRAM. During reading process, HRD_N is low and
it enables reading process to flash memory and SRAM. Each chip select signals in the OM6357 select memory among 2
flash memory and UtRAM. Reading or writing procedure is processed after HWR_N or HRD_N is enabled. Memories use
reset, which is VDD3 delay from PCF50601. HA[22] signal enables lower byte of SRAM and HA[22] signal enables
higher byte of SRAM.
6. OM6357
OM6357 is consisted of ARM core and DSP core. It has 8x1Kword on-chip program/data RAM, 55 Kwords
on-chip program ROM in the DSP. It has 4K*32bits ROM and 2K*32bits RAM in the ARM core. DSP is consisted
of KBS, JTAG, EMI and UART. ARM core is consisted of EMI, PIC(Programmable Interrupt Controller),
reset/power/clock unit, DMA controller, TIC(Test Interface Controller), eripheral bridge, PPI, SSI(Synchronous Serial
Interface), ACC(Asynchronous communications controllers), timer, ADC, RTC(Real-Time Clock) and keyboard interface.
KBIO(0:7), address lines of DSP core and HD[0~15]. HA[1~23], address lines of ARM core and HD[0~15], data lines of
ARM core are connected to memory, YMU759. MV317S(Camera DSP Chip) controls the communication between ARM
core and DSP core.
CS_NAND, NCSRAM, NCSFLASH in the ARM core are connected to each memory. HWR_N and HRD_N control the
process of memory. External IRQ(Interrupt ReQuest) signals from each units, such as, PMU need the compatible process.
KBIO[0~7] receive the status from key and RXD0/TXD0/irDA_DOWN are used for the communicatios using IRDA and
data link cable(DEBUG_DTR/RTS/TXD/RXD/CTS/DSR).
It has JTAG control pins(TDI/TDO/TCK) for ARM core and DSP core. It recieves 13MHz clock in CKI pin from
external TCXO. ADC(Analog to Digital Convertor) part receives the status of temperature, battery type and battery voltage.
2-4
7. TCO-9141D(13MHz)
This system uses the 13MHz TCXO, TCO-9141D, Toyocom. AFC control signal form OM6357 controls frequency from
13MHz x-tal. It generates the clock frequency. This clock is connected to OM6357, YMU762 and OM5178.
9.Camera DSP(MV317SA)
Tiger is an Integrated circuit for mobile phone camera.
This structure will allow effectiveness for
large data management and significantly reduces main processor will get burden.
In hence, Tiger will allow the user to be able to display to LCD direct without burdening the main
processor. It also allows to have various kinds of display size on the LCD and snapshot for Jpeg. Digital
effect will also be executed on real time base resulting Tiger as being a video co-processor in the
mobile platform.
Also,an i80 type processor’ s 16bit parallel interface of Tiger makes it available for the CPU to interchange the data
with Tiger. As the additional 8Mbit is usable except 2Mbit buffer embedded in Tiger, the diverse UI data processing
which is not a burden to the CPU is available.
JPEG encoder and decoder are baseline ISO/IEC 10918-1
JPEG compliance (DCT-based). JPEG decoder supports YUV444, YUV422, YUV420 and YUV411 format
standard JPEG image.
2-5
3. SGH-E700 Exploded View and its Parts list
1. Cellular phone Exploded View
1
13
14
7
6
16
15
2
17
5
3
4
18
19
20
8
24
21
10
22
11
9
12
26
23
25
27
3-1
SGH- E700 Exploded view and its Part list
2. Cellular phone Parts list
Location
NO.
Description
SEC CODE
1
FOLDER UPPER
GH75-03647A
2
DUAL LCD
GH07-00397A
3
MOTOR
3101-001368
4
SPEAKER
3001-001444
5
MAIN LCD
GH07-00190A
6
CAMERA FPCB
GH59-00903A
7
CAMERA
GH59-00900A
8
FOLDER LOWER
GH75-02917A
9
WINDOW LCD
GH75-02919A
10
SCREW
6001-001811
11
SCREW CAP(R)
GH73-01890A
12
SCREW CAP(L)
GH73-01891A
13
FRONT COVER
GH75-02912A
14
KEYPAD
GH75-03646A
15
MAIN PBA
GH92-01568A
16
DOME SHEET
GH59-00901A
17
VOLKEY FPCB
GH59-00902A
18
CONNECTOR COVER
GH73-01394A
19
MIC
GH30-00045A
20
INTENNA
GH42-00315A
21
SCREW
6001-001812
22
RF COVER
GH73-01894A
23
CAMERA KEY
GH75-02915A
24
SIDE KEY
GH75-02914A
25
SCREW
6001-001635
26
REAR COVER
GH75-02918A
27
BATTERY
GH43-00987A
3-2
Remark
SGH-E700 Exploded view and its Part list
3. Test Jig (GH80-01909A)
3-1. RF Test Cable
3-2. Test Cable
(GH39-00172A)
3-3. Serial Cable
(GH39-00217A)
3-4. Power Supply Cable
3-5. DATA CABLE
(GH39-00219A)
3-6. TA
(GH44-00482A)
3-3
4. SGH-E700 MAIN Electrical Parts List
SEC CODE
Design LOC
SEC CODE
Design LOC
0405-001122
D101
1001-001253
U602
0406-001104
ZD600
1009-001010
U600
0406-001104
ZD601
1109-001280
UME300
0406-001104
ZD700
1201-001954
PAM100
0406-001104
ZD701
1202-001036
U604
0501-000225
TR100
1203-002076
U304
0504-001060
U102
1203-002824
U101
0504-001060
U103
1203-002980
U501
0504-001134
TR500
1204-001960
U301
0505-001332
TR501
1205-002264
U100
0505-001423
U601
1205-002276
UCP200
0506-000107
TR700
1205-002350
U400
0601-001647
LED600
1404-001221
V500
0601-001647
LED601
1405-001082
VR600
0601-001647
LED602
1405-001082
VR601
0601-001647
LED603
1405-001082
VR602
0601-001647
LED611
1405-001082
VR603
0601-001647
LED605
1405-001082
VR604
0601-001647
LED608
1405-001128
VR700
0601-001647
LED607
1405-001128
VR701
0601-001819
LED604
2007-000137
R504
0601-001819
LED606
2007-000140
R315
0601-001819
LED609
2007-000141
R205
0601-001819
LED610
2007-000141
R206
0604-001261
IRD600
2007-000141
R307
0801-002237
U300
2007-000142
R101
0801-002529
U411
2007-000142
R102
0801-002882
U305
2007-000142
R105
0801-002882
U202
2007-000142
R106
0801-002882
U201
2007-000142
R112
4-1
SGH-E700 Electrical Parts List
SEC CODE
Design LOC
SEC CODE
Design LOC
2007-000146
R306
2007-000162
R602
2007-000148
R130
2007-000162
R620
2007-000148
R131
2007-000162
R200
2007-000148
R201
2007-000171
R304
2007-000148
R212
2007-000171
R403
2007-000148
R400
2007-000171
R404
2007-000148
R605
2007-000171
R604
2007-000148
R621
2007-000171
R606
2007-000148
R700
2007-000171
R124
2007-000148
R701
2007-000172
R203
2007-000148
R119
2007-000172
R202
2007-000151
R115
2007-000242
R607
2007-000151
R110
2007-000242
R603
2007-000153
R309
2007-000636
R510
2007-000153
R114
2007-000636
R509
2007-000155
R122
2007-000775
R126
2007-000157
R208
2007-000775
R125
2007-000157
R209
2007-000932
R113
2007-000157
R207
2007-000982
R111
2007-000162
R308
2007-001288
R107
2007-000162
R310
2007-001290
R120
2007-000162
R311
2007-001290
R117
2007-000162
R313
2007-001292
R211
2007-000162
R317
2007-001301
R608
2007-000162
R318
2007-001301
R609
2007-000162
R500
2007-001301
R610
2007-000162
R501
2007-001301
R611
2007-000162
R502
2007-001301
R612
2007-000162
R503
2007-001301
R613
2007-000162
R601
2007-001301
R614
4-2
SEC CODE
Design LOC
SEC CODE
Design LOC
2007-001301
R615
2007-007480
R625
2007-001301
R616
2007-007573
R505
2007-001301
R617
2007-007588
R116
2007-001301
R618
2007-007588
R128
2007-001301
R619
2007-007588
R507
2007-001301
R600
2007-007981
R623
2007-001313
R301
2007-008312
R622
2007-001313
R127
2203-000233
C123
2007-001319
R305
2203-000233
C124
2007-001325
R402
2203-000233
C125
2007-001325
R303
2203-000233
C130
2007-001339
R512
2203-000233
C131
2007-001339
R511
2203-000233
C133
2007-002796
R312
2203-000233
C135
2007-002797
R118
2203-000233
C146
2007-003001
R100
2203-000233
C300
2007-003019
R104
2203-000254
C102
2007-003019
R103
2203-000254
C103
2007-003030
R121
2203-000254
C140
2007-007001
R204
2203-000254
C201
2007-007008
R109
2203-000254
C202
2007-007008
R108
2203-000254
C314
2007-007009
R123
2203-000254
C315
2007-007014
R302
2203-000254
C409
2007-007014
R300
2203-000278
C122
2007-007100
R401
2203-000278
C151
2007-007100
R314
2203-000278
C152
2007-007156
R506
2203-000278
C406
2007-007334
R624
2203-000278
C600
2007-007334
R508
2203-000278
C608
4-3
SEC CODE
Design LOC
SEC CODE
Design LOC
2203-000278
C612
2203-000812
C702
2203-000330
C114
2203-000812
C703
2203-000330
C317
2203-000812
C704
2203-000330
C318
2203-000812
C705
2203-000330
C407
2203-000812
C706
2203-000330
C413
2203-000812
C707
2203-000330
C602
2203-000812
C708
2203-000330
C614
2203-000812
C709
2203-000374
C137
2203-000812
C710
2203-000425
C107
2203-000812
C711
2203-000425
C105
2203-000812
C712
2203-000438
C302
2203-000812
C713
2203-000438
C319
2203-000812
C714
2203-000438
C621
2203-000812
C715
2203-000438
C622
2203-000812
C716
2203-000438
C108
2203-000812
C717
2203-000585
C118
2203-000836
C116
2203-000585
C119
2203-000836
C132
2203-000585
C120
2203-000854
C134
2203-000585
C117
2203-000885
C147
2203-000628
C136
2203-000885
C700
2203-000628
C143
2203-000995
C145
2203-000628
C144
2203-000995
C607
2203-000679
C301
2203-000995
C616
2203-000812
C100
2203-000995
C617
2203-000812
C106
2203-001017
C112
2203-000812
C121
2203-001072
C127
2203-000812
C203
2203-001178
C110
2203-000812
C208
2203-001178
C113
2203-000812
C626
2203-001383
C115
4-4
SEC CODE
Design LOC
SEC CODE
Design LOC
2203-001432
C316
2203-005061
C401
2203-001437
C601
2203-005061
C403
2203-001437
C613
2203-005061
C500
2203-001598
C416
2203-005061
C605
2203-001598
C419
2203-005061
C606
2203-001607
C126
2203-005061
C611
2203-001652
C414
2203-005061
C204
2203-001652
C425
2203-005061
C205
2203-002443
C138
2203-005061
C150
2203-002443
C604
2203-005065
C422
2203-002687
C308
2203-005065
C111
2203-005050
C609
2203-005065
C139
2203-005061
C206
2203-005148
C417
2203-005061
C207
2203-005481
C129
2203-005061
C209
2203-005482
C421
2203-005061
C210
2203-005482
C620
2203-005061
C211
2203-005482
C623
2203-005061
C212
2203-005482
C412
2203-005061
C213
2203-005482
C309
2203-005061
C214
2203-005496
C305
2203-005061
C215
2203-006053
C502
2203-005061
C216
2203-006053
C431
2203-005061
C217
2203-006053
C149
2203-005061
C218
2203-006053
C428
2203-005061
C219
2203-006053
C430
2203-005061
C303
2203-006053
C429
2203-005061
C304
2203-006053
C426
2203-005061
C307
2203-006053
C306
2203-005061
C313
2203-006053
C415
2203-005061
C400
2203-006090
C424
4-5
SEC CODE
Design LOC
SEC CODE
Design LOC
2203-006090
C423
2809-001271
OSC100
2203-006093
C310
2901-001246
U500
2203-006093
C312
2904-001417
F100
2203-006201
C603
2904-001424
F102
2203-006208
C311
2909-001197
F101
2203-006208
C402
3705-001242
RFS100
2203-006208
C410
3709-001250
SIM400
2203-006208
C418
3710-001611
IFC500
2203-006274
C148
3711-005159
HDC700
2301-001512
C128
3711-005445
BTC500
2404-001105
C408
3722-001715
EAR600
2404-001105
C427
4302-001119
C411
2404-001151
C141
GH13-00019A
U302
2404-001151
C142
2703-001709
L108
2703-002198
L107
2703-002199
L100
2703-002201
L105
2703-002205
L106
2703-002370
L102
2703-002519
L101
2703-002586
L104
2703-002597
L702
2703-002597
L701
2703-002597
L700
2703-002608
L103
2801-004025
OSC400
2801-004285
OSC300
2806-001305
VCO100
2806-001310
VCO101
4-6
5. SGH-E700 Block Diagrams
1. RF Solution Block Diagram
NTK Antenna Switch
Philips Transceiver
OM5178HN
LMG002S-5047A
Ipeak = 10 mA
Freq (MHz )
880 - 915
925 - 960
1710 -1785
1805 -1880
Atten 2xfo : 30dB
3xfo : 25dB
Antenna
GSM
EPCOS EGSM RX SAW Filter
B7820(2X1.4)
IL=2.7dB typ 3.2dB max
Ripple=0.9dB typ 1.6dB max
Loss
1.3 dB
1.1 dB
1.5 dB
1.4 dB
+I OUT
-I OUT
Balun
(GSM,DCS)
SAWTEK DCS RX SAW Filter
856079 (2X2.5)
IL=3.0dB typ 3.5dB max
Ripple=1.1dB typ 1.6dB max
Vc_DCS
DCS_MODE_SW
VCC_RX_TX
100kHz+fmod
QUAD
+Q OUT
-Q OUT
Balun
DCS
EGSM_MODE_SW
Pins IA,IB,QA and QB
CM : 1.25V typ. , 1.15Vmin, 1.35Vmax
0.5Vpp
Vc_EGSM
1:1/
2
RFLOin=-2dBm max,
-8dBm min
Antenna
swich
control
circuits
pi -PAD
DIV
Vcc_RFVCO
CP
Discrete
? ? ? ? Dualband RF VCO
3rd Order
VOL1861N27KRB(8.0X6.0)
Loop Filter
Freq = 1801MHz(Vt=0.6V )
to 1921MHz(Vt=2.3V )
Pout = -3 dBm to +3dBm , Ic = 8mA
kV = 90 MHz/V Typ
PFD
RF_BBI_DATA
RF_BBI_CLK
RF_EN_SYNT
3 WIRE BUS
CTL REG
POWER
ENABLE
PON_TX
PON_RX
PON_SYNT
fpd=200kHz
1:6
5
REFIN
1:1/2
VCTCXO
13 MHz
PFD
fpd=13MHz
OFFSET Mixer in=
-17dBm max, -23dBm min
1:7
pi -PAD
Vcc_Tx_Burst
~
~
GSM
VAPC
DCS
VBAT
MICRO DEVICE QUADBAND PAM
RF3140(10X10)
GSM: Pout = +36.0 dBm Eff = 45%
DCS: Pout= + 34.5 dBm Eff = 40%
Discrete
3rd Order
Loop Filter
fpd=91MHz
CP
I+
VCC_SYN
VCC_CP
VCC_RX_TX
PFD
I1:1/2
IFVCO
Q+
Q-
DCS
GSM
Murata TX VCO
MQW291A
GSM = 880 MHz(Vt=0.5V )
to 915 MHz(Vt=2.3V )
Pout = 7 dBm typ. , Ic = 35mA
kV = 32 MHz/V Typ
DCS = 1710 MHz(Vt=0.5V )
to 1785 MHz(Vt=2.3V )
Pout = 10 dBm typ. , Ic = 50mA
kV = 70 MHz/V Typ
Harmonics = 10dBc(up to 3rd )
Tank
1
2
VBAT (3.6V typ 3.0V min)
1
GSM Tx: 45.5MHz
DCS Tx: 91 MHz
VCC_SYN(2.7V , 100mA )
VCC_RX_TX (2.7V ,100mA )
VCC_RF_VCO(2.7V , 100mA )
VCC_TX_BURST(2.7V , 100mA )
VCC_CP(4.0V , 25mA )
RF1_VDD
RF2_VDD
RF1_VDDS
PMU
PON_TX
PON_SYNT
V_MODE
RF2_VDDS
HVS
AVDD (1.35V min 2.65V max , 100mA )
VDD1 (1.35V min 2.95Vmax , 150mA )
VDD2 (1.35V min 3.45V max , 150mA )
VDD3 (1.35V min 3.45V max , 100mA )
VDD4 (1.35V min 3.45V max , 150mA )
5-1
Tank Circuit
2
Discrete
3rd Order
Loop Filter
SGH-E700 Block Diagrams
2. Base Band Solution Block Diagram
MIC
BB INTERFACE
Serial Data
Interface
RECEIVER
SPEAKER
VIBRATOR
OM6357
Battery
Type
Battery
Voltage
I/O
Interface
Battery
Temperature
A/D
Interface
VCC_CP
VCC_SYN
MELODY IC
(40 Poly)
VCC_RX_TX
RF INTERFACE
VCC_RF_VCO
SYSTEM CLOCK
(13MHz)
AFC
VCC_TX_BURST
VDD1
MV317S
MV317SA
RAMP
VDD2
FLASH
(256M bit)
VDD3
SRAM
(32M bit)
VDD_VIB
Li-Ion Battery
(Slim,Standard)
MIC_BIAS
PMU
VDD_KEY
KEY_BOARD
VDD_AMP
LCD
Charging
Circuit
RTC_CLOCK
(32.768KHz)
AVDD
SIM CARD
AVDD_TEMP
5-2
6. SGH-E700 PCB Diagrams
1. Main PCB Top Diagram
6-1
6. SGH-E700 PCB Diagrams
2. Main PCB Bottom Diagram
6-2
7. SGH-E700 Flow Chart of Troubleshooting
1. Power On
' Power On ' does not work
Yes
Check the Battery Voltage
is more than 3.4V
No
Change the Battery
Yes
No
C414(V_ISUP) = 2.7V?
Check the PMU related to V_ISUP
Yes
Check the Clock at
R401=32KHZ
No
Resolder OSC400
Yes
No
C431 (VDD1) = "H"?
Check the VDD1 circuit
Yes
C430(VDD2) & C429(VDD3)
= 2.8V?
No
Check the VDD2,VDD3 circuit
Yes
Check for the clock at C133
= 13MHz
No
Check the clock generation circuit
(related to OSC101)
Yes
Check the initial operation
Yes
END
7-1
7-2
2V7
3V25
2V7
2V7
2V7
2V7
1V35
2V35
2V85
V_ISUP
BL_VDD
VCC_SYN
VCC_RX_TX
VCC_RF_VCO
VCC_RX_BURST
VDD1
VDD2
3V05
2V65
2V65
3V05
2V95
4V
VDD_VIB
AVDD
AVDD_TEM
P
VDD_AM
P
VDD_KEY
VCC_CP
3V
5V
2V85
VDD3
SIMVD
D
TYP
SIGNAL
1UF
1UF
1UF
1UF
G
2V1
VSS21
VSS20
VSS19
VSS18
VSS17
VSS16
VSS15
VSS14
VSS13
VSS12
VSS11
VSS10
VSS9
VSS8
VSS7
VSS6
VSS5
VSS4
VSS3
VSS2
VSS1
TYP
ovdd
MIC_BIAS
T
DVDD
SIGNAL
1
C431
DVDD
C430
(CHARGE
PUMP+
LINREG
)
DVDD4
DVDD4VBA
DVDD4ON
DVDD3
DVDD3
DVDD3VBA
SEL3RB
DVDD2
DVDD2
VCC C2
CLK C3
RST C1
IO D2
C425
470NF
C427
10UF
6.3V
NC 2
1
NC
HVSVBATC8
HVSGNDB9
HVSSCPC9
HVSSCNA10
HVSO
C B10
HVSVDDD8
CHRIVE1
CHRVBATD3
CHRREGE2
OSC32IK8
K9
OSC32O
CPRESD1
SIMIO B8
SIMCLKC6
K10A5 B5 A6 B6B3 A3
V_ISUP
G3G2G1 H4 H2H1J1 F8 B4 A4 J8 J9 J7 K7
AVDDS
C429
2
HFAVD
HFAVD
HFAVBA
HFAVBA
C428
T
DVDD
F1 F3 E9
100NF
HIGH VOLTAGE
SUPPLY
CHARGE
CONTROL
BATTERY
VOLTAGE
MONITOR
3
T
VBAT
VBAT
32KHz XTA
L
OSCILLATO
R
DVDD
T12
T14
htmp
E4 F5 F4 G4J3 G5K5 F6 G6G7G8F7 E6 E7 D7C7D6E5 D5D4C4
DVDD2VBAT
4
VPRO
H7
SWITCH
LINREG
REAL-TIME
CLOCK
PLL
SIMVBAT
V_MODE
VIB
RF1SW
S
RF1VDD
S
RF2SW
S
RF2VDD
S
internal
supply
htmp
CLOCK
GENERATO
R
D
VDD3
C421
100NF
E8
F9
E10
J10
CONTROL
SUPPLY &
BACKLIGHT
INTERNAL
SUPPLY
MODULE
TEMP HIGH
SENSOR
internal
clocks
T
T
VIBVD
VIBVBA
VDD_VIB
C420
NC
BLVBAT
BLVDD
BBMSW
BBMGN
D
G9 RFVBAT
G10 RF1VDD
F10 RF1SNS
H10 RF2VDD
RF2SNS
H9
B7
A7
C5
A8
ISUPA
ISUPD
VBACK
VBAT
calibration
bias currents
reference
voltage
AVDD D
VDD2
10UF
C424
VBAT
H6
J4
K4
J5
VBAT
refgnd
INTERFACE
SIM
SIM
CHARGE
PUMP
C400
A HF
D
D
T
T
VDD1
10UF
C423
1UF
C412
100NF
MICBIAS
B2 A2 B1A1
D
T
Baseband power supply
2.2UF
C416
470NF
C414
V_ISU
P
J6
C10
VIB
RF power supply
PON_TX
VCC_TX_BURST
PON_SYN
T
VCC_RF_VCO
VCC_RX_TX
VCC_SYN
VBAT
C415
10NF
R402
3.3K
C411
RB414II06N
CONTROL
ON/OFF
T IN
10PF
C410
4.7UF
control
status
data
RSTO
ONKEY
AUXO
ON-CHIP
REFERENCE
&
MIC BIAS
K3 H3D9 A9 J2K1 K2
GENERATO
INTERRUPT
C409
REFC
REFGND
H8
K6
12C
INTERFACE
SLPMOD
SCL
SDA
D10
REC3
REC1
REC2
CLK32
E3
F2
TM
H5
R
C406
SCL
SDA
PCF50601ET1-N5
U400
PMU (IC)
VBAT
SIM
SIMSCN
SIMSC
SIMGND
10UF
C408
100NF
C401
N
MIC_BIAS
T16
Baseband power supply
P
BACKLIGH
T
IT_PMU
JIG_REC
RECO
1
JACK_IN
32K
RSTO
N
ONKEY_N
CHARGER_O
K
REF_O
N
10K
R400
VDD1
VBAT
1UF
C426
C417
1UF
C422
100NF
R401
10M
T17
T11
0
2.2UF
0,5%
C413
12PF
VBAT
32K
1
2
3
AVDD_TEM
P
G G G G
10 9 8 7
SIM400
0-0292123-1
AVDD
VCC_CP
RF power supply
NC
C405
VDD_KEY VDD_AMP
0
R403
C418
4.7UF
C419
R404
1
2
NC
C404
SIMIO
SIMCLK
C407
12PF
100NF
4.7UF
OSC400
FC-255
C403
C402
SIM_VCC
SIM_RST
SIM_CLK
SIM_IO
4
5
6
SGH-E700 Flow Chart of Troubleshooting
Power On
AVD
AVD
AVDDVBA
AVDDVBA
SEL12RB
DVDD1VBA
DVDD1
2. Initial
Initial Failure
Yes
No
R200 (RSTON) ="H"?
Check the circuit related to reset
Yes
No
Is U305 pin 4,6
(memory CE) OK?
Check the U305
Yes
Check the circuit around
LCD & U305 (Short or not solder)
Yes
END
7-3
CS_NAND
7-4
pin L3
pin G2
F
100N C218
pin M6
F
100N C217
pin P4
VDD3
100N C219
F
100N C216
pin C1
VDD3
F
F
100N C215
pin P8
VDD3
SC
TXDA4
RXD
D4
1
1
TXD
RXD
RXD
C4
TXD
C5
RXT0_N
A5
CTS0_N
B5
0
0
RXD
TXD
RTS0
CTS0
J_SEL
TDI
TMS
TCK
TDO
TRST_N
HWR_N
IIC
JTAG
PWM
SIMU
2 JT
5 JT
3 JT
SIM_BOOT
B_WR
GROUND
J_SEL
B_TDI
B_TMS
B_TCK
B_TDO
B_TRST
KBS
0
0
F
100N C214
pin H11
VDD3
KBIO7
KBIO6
KBIO5
KBIO4
KBIO3
KBIO2
KBIO1
KBIO0
GPIO
UART0
VDD2
L14
L12
L13
L11
J11
K13
J10
K11
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
GPIO10
1
VDD2
KBIO(7)
KBIO(6)
KBIO(5)
KBIO(4)
KBIO(3)
KBIO(2)
KBIO(1)
KBIO(0)
M12
K9
L8
M9
P7
L7
L9
N7
P6
N8
K8
UART1
F
100N C213
pin P9
pin M8
VDD1
KBIO(0:7)
T62
T40
G3
CS_N
3
M5 CS_N
2
G5
CS_N
1
N4
CS_N
0
SIOY
J_SEL
B4
TRST_N
A1
O TD
D3
TCK
A3
S TM
A2
I TD
D2
VDD1
X
0
CS_N
3
NCSRAM
M_RST
irDA_DOW
N
A
CHG_O
N
EL_EN
IMAGE_RESET
B
FLIP
END_OF_CHARGE
CTS0
IMAGE_INT
NCSFLASH
JT6
AVD
TRST_N
TDI
TMS
TCK
TDO
R207
47K
R208
47K
C220
NC
R209
47K
VSS_P
N5
VSS_O
P1
VSS_N
K1
VSS_M
G1
VSS_K
C3
VSS_I
E8
VSS_H
3 G1
VSS_G
1 N1
VSS_F
4 N1
VSS_E
0 N1
VSS_C
M7
VSS_B
J1
VSS_A
K7
AVSS
P10
VDD1
X
00
1
HA(20)
1
2
HWR_N
HRD_N
HA(20)
ASI
F
100N C212
pin N12
pin N13
VDD1
0
X
X
A
GND
_E 3
1
SIOX
VDD1
AVDD
VDD2
R210
NC
D
A
D
D
PCF50732
A
D
A
A
D
A
D
A
D
A
D
A
D
A
R211
33
J_SEL
SIMIO M13
SIMCLK M14
SIMERRM11
PWM1 E6
PWM0 F4
SCK C2
SDA B3
ADI A8
AFS B9
ACLK B8
ADO A9
BOEN G11
BDIO E11
BIEN F10
BIOCLK F11
MCLK D10
A13
B13
B14
A14
EARP B10
EARN A11
AUXSP A10
BUZ B11
QP H13
QN H14
IP J13
IN J14
AUXADC1F14
AUXADC2G14
AUXADC3E14
AUXADC4F13
AUXDAC1E12
AUXDAC2D13
AUXDAC3D12
100NF
R212
10K
RFE_N
0 J12
RFE_N
2 K12
VREF C14 C209
D5
RFSIG0
A6
RFSIG1
D6
RFSIG2
B6
RFSIG3
A7
RFSIG4
C7
RFSIG5
B7
RFSIG6
RFSIG7 C6
E7
RFSIG8
K10
RFSIG9
RFSIG10D7
H12
RXON
G12
TXON
E10
CCLK
CDO E9
CDI D8
D9
CEN
N9
GPON2
L10
GPON1
G10
AUXST
TP202
VDD2
R202
R203
R201
10K
C201
AVDD
100NF
C206
pin F12
R206
2.2K
R205
2.2K
3.9K
C202
10NF
C207
pin C12
pin B12
100NF
VDD1
DD
FSC
DCL
DU
BOEN
BDIO
BIEN
BIOCLK
MIC_P
MIC_N
AUX_MIC_P
AUX_MIC_N
AUXSP
EARP_HF
EARP_P
EARP_N
TEMP_PRODUCT
VF
QRX_TX_P
QRX_TX_N
IRX_TX_P
IRX_TX_N
MES_BATT
AVDD_TEM
P
10NF
VDD2
R204
T57
T58
T59
T60
10
10
C208
33PF
C205
100NF
C204
pin D14
AVDD
100NF
pin C9
pin C8
VDD1
MICP
MICN
AUXMICP
AUXMICN
2
4
6
8
10
10
12
12
14 14
2
CN200
CON14
1
34
56
78
9
11
13 13
1
3
5
7
9
11
VSS_VBOUT
C11
VSS_VB
A12
VSS_REF
C13
VSS_D
1 D1
VSS_BB
E13
F
100N C211
pin F5
1
X
X
CS_N
2
Y0
VCC
Y1
A
GND 2
_E
VDDE1_D
VDDE1_C
VDDE1_B
VDDE1_A
IMAGE_CS
CS_N0
6
5
4
U202
NC7SZ19L6X
Y0
VCC
Y1
DSP
I BS
MELODY_CS
CS_NAND
VDD3
6
5
43
EMI
I CS
IMAGE_CS
MELODY_CS
U201
NC7SZ19L6X
VDDE2_E
VDDE2_C
RFCU
VDDE3_G
VDDE3_F
VDDE3_B
VDDE3_A
VDD3
OOL
C200
NC
VDD_VBOUT
VDD_VB
VDD_REF
VDD_
VDD_BB
HA(1:23)
HD0
HD1
HD2
HD3
HD4
HD5
HD6
HD7
HD8
HD9
HD10
HD11
HD12
HD13
HD14
HD15
HA1
HA2
HA3
HA4
HA5
HA6
HA7
HA8
HA9
HA10
HA11
HA12
HA13
HA14
HA15
HA16
HA17
HA18
HA19
HA20
HA21
HA22
HA23
HWR_N
HRD_N
VDDC_
VDDC_
VDDC_
VDDC_
H4
H3
H2
J3
E5
H1
B1
E4
F3
F2
F1
E1
D1
E3
E2
B2
M4
P3
L4
N3
K5
M3
P2
N2
M1
N1
L2
L1
M2
J2
J5
K3
J4
K4
K2
G4
P5
N6
L6
L5
H5
H11
HD(0)
HD(1)
HD(2)
HD(3)
HD(4)
HD(5)
HD(6)
HD(7)
HD(8)
HD(9)
HD(10)
HD(11)
HD(12)
HD(13)
HD(14)
HD(15)
HA(1)
HA(2)
HA(3)
HA(4)
HA(5)
HA(6)
HA(7)
HA(8)
HA(9)
HA(10)
HA(11)
HA(12)
HA(13)
HA(14)
HA(15)
HA(16)
HA(17)
HA(18)
HA(19)
HA(20)
HA(21)
HA(22)
HA(23)
C8
2 N1
P9
PCF50874
C1
P8
PDCU
G2
M6
P4
HD(0:15)
K6 D
M8 C
3 N1 B
F5 A
CGU
L3
C10
RESETN
M10
RSTO_N
H10
RST_N
K14
AUXON
P11
CKI
P13
CKI32I
P14
CKI32O
AVDD
D
100K
VDD3
2 P1
D
R200
VDD2
C9
F12
RSTO
N
VDD1
2 C1
B12
4 D1
D_REF_13M
32K
UCP200
OM6357
VDD1
C203
IT_PMU
SCL
SDA
SIMIO
SIMCLK
AFC
RAMP
RF_EN_SYN
T
RF_BBI_DATA
RF_BBI_CLK
D_REF_13M
DCS
EGSM_MODE_SW
DCS_MODE_SW
EGSM
PON_SYN
T
PON_TX
PON_RX
EL_LIGHT_CO
N
V_MODE
REF_O
N
33PF
AVDD
Initial
1 JT
4 JT
J_SEL
TRST_N
O TD
TCK
S TM
I TD
F
100N C210
3. Charging Part
Abnormal charging part
Yes
No
Check the U501 pin 4
> 4.9V
Check the the circuit related to
V_EXT_CHARGE
Yes
No
U501 pin 5 = "H"?
Resolder or replace U501
Yes
No
TR500 pin 1 (CHG_ON)
= "L"?
Check the circuit related to
CHG_ON signal
Yes
No
Check the U501 pin 3
≒ 4.2V
Yes
END
7-5
Charging
VDD2
V_EXT_CHARGE
U501
LTC4054XES5-4.2
4
R506
1
R507
1.8K,1%
TR501
FDG6301N
R509
270K
C502
1UF
10V
4
TR500
BCR133T
CHG_ON
1
5
3
R512
180K
CHARGER_O
K
6
S2
D2 3
G2
G1 2
D1
VCC
BAT
GND
R504
2K
R505
330K,1%
MES_BATT
3
2
PROG
5
VBAT
_CHRG1
R508
200K,1%
END_OF_CHARGE
R510
270K
S1 1
R511
180K
2
7-6
C501
NC
4. Sim Part
Phone can't access SIM Card
Yes
No
SIM400 pin 1,5 = "H"?
Check the sim charge pump
Yes
No
After Power ON,
Check SIMCLK Signal on
SIM400 pin3 in a few second
Check the 32k OSC
Yes
No
After SIM card insert,
SIM400 pin 2 = "H(SIM_RST)"?
Replace PBA
Yes
Check the SIM Card
Yes
END
7-7
5. Microphone Part
Microphone does not work
Yes
No
Check the connection
from MIC
Resolder MIC
Yes
No
Check the circuit
from UCP200 to MIC
Resolder the R604, R606, R603, R607, C606
and C611
Yes
No
Check the MIC
Replace the MIC
Yes
END
7-8
Microphone
Close to MCP
Close to microphone
MIC_BIAS
VR600
C600
C601
C602
10PF
R603
12PF
R604
0
1.5K
5PF
C606
100NF
MIC_P
2
MIC600
MIC
C609
1.8PF
1
C607
C608
C610
NC
C611
100NF
R606
0
47PF
R605
10K
10PF
MIC_N
MICROPHONE
C614
C612
12PF
R607
1.5K
10PF
C613
5PF
7-9
6. Speaker Part(Melody)
Speaker does not work
Yes
No
U300 pin 5 = 2.85V?
Yes
No
Check the Clock signal
at Pin 1 of U301
(13MHz)
Check the clock generation circuit
(related to OSC100 and U300)
Yes
No
U301 pin 17,18 ≒ 1.8V?
(When U301 operate)
Resolder U301
Yes
No
HDC700 pin 40,42
≒ 1.8V?
Check the circuit related to
"SPK_P/SPK_N" signal
Yes
No
Is Speaker working?
Change the Speaker
Yes
END
7-10
Speaker
HRD_N
VDD3
VDD2
HA(1)
MELODY_C
S
VDD2
VDD2
HWR_N
HD(0)
U300
HD(1)
5
TC7SH04FU-TE85L
1
2
M_LED
3
4
M_RST
5
6
7
R303
3.3K
8
9
C302
1NF
C303
100NF
CLKI
D1
D0
/WR
R301
330
4
26
25
HD(2)
D2
24
LED
D3
/IRQ
D4
/RST
D5
HD(3)
23
HD(4)
22
U301
YMU762 MA-3
NC
HD(5)
21
HD(6)
D6
20
PLLC
D7
VDD
MTR
HD(7)
19
VSS
VREF
C304
100NF
MELODY IC
10
VIB
18
SPOUT
2
11
12
13
14
15
SPOUT
1
SPVSS
OUT
A0
IN
GND
27
SPVDD
3
28
EQ3
R302
51K
29
/CS
2
MEL_13M
30
31
IOVDD
32
EQ2
VCC
/RD
NC
EQ1
1
HPOUT-R
R300
51K
HPOUT-L/MONO
C300
100PF
AMP_N
17
C301
27PF
AMP_P
16
VDD_AMP
C305
220NF
R304
0
C306
1UF
10V
R305
1.2K
R306
6.8K
C307
100NF
C308
1.2NF
R307
2.2K
C309
100NF
EARP_H
F
7-11
7. Key Data Input
Check Initial Operation
Yes
No
When one of the keys is
pushed,
is it displayed on LCD?
Check the Dome sheet & Key Pad
Yes
No
When one of the keys is
pushed,
KBIO signal is OK?
Replace the PBA
Yes
END
7-12
8. Receiver Part
Receiver does not work
Yes
No
U602 pin 3,4 = 1.5V?
Yes
No
U602 pin 12,15 = 1.5V?
Yes
No
Resolder EAR600
EAR600 pin 2,3 = short?
Yes
No
Resolder EAR600
EAR600 pin 2,3,6 = 1.5V?
Yes
No
Replace the HDC700
HDC700 pin 40,42 = 1.5V?
Yes
No
Check the soldering of the
spaeaker wire
Modufy the speaker wire soldering
Yes
No
Replace the Receiver
Is Receiver working?
Yes
END
7-13
9. Back Light (for Color Main LCD)
Backlight does not work
Yes
No
Is LCD Contrast set on
high level in the Menu?
Set LCD Contrast on high level
Yes
No
Check the R309, C316
HDC700 pin 24 = 2.8V?
Yes
No
HDC700 pin 19 (L_WR) is
OK?
Check the U302
Yes
Replace the LCD Module
Yes
END
7-14
10. Key Back Light
Key Backlight does not work
Yes
No
Check the PMU related to "VDD_KEY"
U601 pin 5 = "H"?
Yes
No
U601 pin 2,3 = "H"?
Yes
END
7-15
11. Camera part
"Camera" function does not work
Yes
No
Check the Camera
connector on LCD module
Connect the camera module
Yes
No
HDC700 pin 48, 50 =
2.8V?
Check LCD and HDC700
Yes
No
OSC300 Pin 3 = 27MHz?
Check OSC300 and R314
Yes
No
HDC700 pin 24 = 2.8V?
Check the R309, C316
Yes
Is there another problem?
Yes
Replace the camera
module
END
7-16
12. GSM Receiver
RX ON
RF input : CH center freq : +67.7kHz
Amp : -50dBm
Yes
No
F101 Pin8
>= -65dBm
Resolder RFS100, C100
Yes
No
F101 pin10
>= -65dBm
Check F101
pin11 = L, pin2 = L
No
Check ANT Switch
control circuit
Yes
Yes
Resoder F101
No
F100 pin1
>= -70dBm
Resolder F100, C106, L102
Yes
U100
pin33 >= -70dBm
pin34 >= -70dBm
No
Resolder L101, C105, C107
Yes
U100 pin5, 6, 7, 8
>= 1V
No
Check U100 pin26
(RF freq.*2)+100kHz
>=-30dBm
Yes
No
Check & Resolder
U100, C121, R110
RF13MHz, RF PSU Part
Yes
Resolder U100
R101, R102, R105,
R106 >= 1V
Yes
Check UCP200
END
7-17
13. GSM Transmitter
TX ON (5Level)
Yes
Yes
F101 Pin8
>= 20dBm
No
Yes
F101 pin5
>= 20dBm
Check F101
pin11 = H (2.68V),
pin2 = L
Yes
Change or Resolder F101
No
No
PAM100 pin9
>= 20dBm
Yes
Check ANT Switch
control circuit
Resolder L105, C114
No
PAM100 pin7
>= -11dBm
Yes
Check PAM100
+VBATT, pin4, 7
OK?
Yes
Resolder or Change PAM100
No
Check +VBATT or PAM
control signal
No
VCO101 pin1
>= -8dBm
Yes
Resolder R107, R108, R109
No
U100 pin5, 6, 7, 8
>= 500mV
Yes
Check U100
pin 26>=-20dB
& pin11>=2V
OK?
Yes
Check & Resolder RFLO
signal, RF13MHz,
RF PSU Part
No
Check UCP200
Check U100 pin
2,12,4,23>=2.7V
OK?
END
Yes
Resolder U100
7-18
14. DCS Receiver
RX ON
RF input : CH center freq : +67.7kHz
Amp : -50dBm
Yes
No
F101 Pin8
>= -65dBm
Yes
No
F101 pin1
>= -65dBm
Check F101
pin11 = L, pin2 = L
No
Check ANT Switch
control circuit
Yes
Yes
Resoder F101
No
F102 pin1
>= -70dBm
Resolder F102, C112, L104
Yes
U100
pin35 >= -70dBm
pin36 >= -70dBm
No
Resolder L103, C110, C113
Yes
U100 pin5, 6, 7, 8
>= 1V
No
Check U100 pin26
(RF freq.*2)+100kHz
>=-30dBm
No
Check & Resolder
U100, C121, R110
RF13MHz, RF PSU Part
Yes
Yes
Resolder U100
R101, R102, R105,
R106 >= 1V
Yes
Check UCP200
END
7-19
15. DCS Transmitter
TX ON (5Level)
Yes
Yes
F101 Pin8
>= 13dBm
No
Yes
F101 pin3
>= 13dBm
Check F101
pin11 = L,
pin2 = H (2.68V)
Yes
Change or Resolder F101
No
No
PAM100 pin11
>= 13dBm
Yes
Check ANT Switch
control circuit
Resolder L106, C115
No
PAM100 pin1
>= 15dBm
Yes
Check PAM100
+VBATT, pin4, 7
OK?
Yes
Resolder or Change PAM100
No
Check +VBATT or PAM
control signal
No
VCO101 pin5
>= 12dBm
Yes
Resolder R100, R103, R104
No
U101 pin5, 6, 7, 8
>= 500mV
Yes
Check U100
pin 26>=-20dB
& pin11>=2V
No
Yes
heck & Resolder RFLO
signal, RF13MHz,
RF PSU Part
No
Check UCP200
Check U100 pin
2,12,4,23>=2.7V
OK?
END
Yes
Resolder U100
7-20
VC_DCS
2
F101
8
ANT
4 67
33uF
7-21
10K
R131
C1
C152
10PF
E2
B2
3 C2
2 B1
4
5
6
VC_DCS
VCC_RX_TX
EGSM_MODE_SW
10K
R130
10PF
C151
3 C2
2 B1
1 E1
E2
B2
C1
U103
BCR08PN
4
5
6
VC_EGSM
VCC_RX_TX
2 VB
2
SW2
10
G NC
4
REF_ON
C150
100NF
VCC_RX_TX
VCO_TX_POWER
91
GG
1 VB
G
SW1 2
3
2
1
VCO101
MQW291A897MR6
C143
22PF
ON/OFF
GND
VIN
NC
VOUT
4
5
U101
NCP500SN25T1
R129
NC
C144
22PF
EGSM
DCS
C149
1UF
VCC_RE
F
R126
33K
R125
33K
TSTO
DETECTOR AND CP
PHASE Frequency
13
ground
24
3 WIRE BU
S
CTL RE
G
1:1/2
POWER
E
ENABL
28
PHASE Frequency
1:6/7
32
23
37
TXCPGND
40
41
1:1/2
31
43
44
7
QA
1.8K,1%
R128
C145
47PF
30
NC2
29
NC1
IFTUNE 11
IFCPO 18
RFFIN19
SYNON 21
RXON 9
10
TXON
8
DATA 14
CLK 15
EN 16
6
IB
QB
5
IA
C147
4.7NF
pin_23_SYNVCC
D101
VCC_RX_TX
L108
12nH
100PF
C146
42
DETECTOR AND CP
VCO_IF
25
DIV
RFLOGND
36
11
3
S
39 EXTRE
1 TXCPO
TXRFI
DIV
RFGND1
OUT2
7
1.8K,1%
38
PHASE Frequency
DETECTOR AND CP
RFGND3
1
8
VCC_TX_BURST
FILM
(0805)
15nF
C137
R121
91
ground
R116
RFLOIB
20 RFCPO
27
22
GND
1 E1
U102
BCR08PN
VC
5 OUT1
C135
100PF
560
C12210PF
17
VCC_SYN
GND
DCS_MODE_SW
C142
(0603 NPO)
33uF
C139
1UF
(0603)
R118
ground
1:1/2
SYNGND
330PF
C138
C136
22PF
R111
5.6K
4
26 RFLOIA
DCSPCSI
B
DCSPCSI
A
IFGND2
C141
RAMP
R120
24
R117
24
3.3NF
C128
OUT
(0805)
CPPS
VBAT
R124 0
DCSI
VRAMP
6
GSM850/900OUT
VREG
5
PCSOUT T
VBAT
4
TXEN
GSM850/900I
3
BAND
2
4
Y
PAM_VCC
C132
390PF
6 7 8
G1G2 G3G4G5
25
C126
220PF
R110
15K
VT
33PF
36
35
QUAD
4
(pin_4)
VCC_I
F
RFVC
3
N
N
100PF
C125
1
C121
VOL1861N27KRB
VCC
VCO100
3
VCO_RF
GSMIB
TXCPVC
R119
10K
C116
390PF
34
33 GSMIA
12
IFVCC2
L107
10nH
R109
300
430
430
VCC_RF_VCO
2
IFVC
R108
300
R104
R107
18
R100
12
U100
OM5178HN
HN/C3
(MLF package)
1NF
C108
C
R103
C109
NC
VCCCP
(pin_2)
(pin_17)
VCC_I
F
IFCPVC
C129
47NF
R114
22K
C127
56PF
4
C113
6PF
6PF
C110
C107
18PF
10NF
C103
RFCPVC
C
GND 13
5
G OUT
L103
6.8nH
Coilcraft
L101
15nH
Coilcraft
10NF
C102
SYNVC
PAM_VCC
1 7 11 9
G
2
OUT
3
4
VCCCP
(pin_22)
1
RFLOVC
VCC2
8 VCC2
10 VCC
12
Coilcraft
IN
G OUT
F102
856079
G
25
C104
NC
C
PAM100
RF3140
L105
33nH
1
IN
3
C105
18PF
VCC_SYN VCC_RX_TX
pin_12_IFVCC2
C
C115
0.5PF
C114
12PF
5.6nH
L104
C112
4PF
1
OUT
F100
B7820
C101
NC
VCC_CP
C
ground
L106
3.9nH
5
3
10
EGSM_RX
1
DCS_RX
G GG
DCS_TX
EGSM_TX
LMG002S-5047A
9 12 13 14
G G GG
VC2
VC1
L102
10nH
Coilcraft
C106
33PF
L100
12nH
ANT101
C
DCS_MODE_SW
11
ANT100
CPPS
(0805)
C148
10NF
330
R127
R112
560,1%
C123
100PF
C130
100PF
100PF
C124
VCC_SYN
C111
F 1U
U411
TC7SH32FU(TE85L)
5
1
EGSM_MODE_SW
B VCC
2
DCS_MODE_SW
A GND
VC_EGSM
C100
33PF
IN 1
6 5 4 3
2 OUT
RFS100
MBO-145
C131
100PF
3
1
3
OUT
220PF 220PF
220PF
R113
470
GND
CTRL
4
VCC
R123
75
1
39PF
C133 C134
100PF
2
C119
C118
C117
VCC_REF
OSC100
TCO-9141
2SC4617
TR100
R122
27K
2
R115
15K
PON_SYNT
PON_RX
PON_TX
RF_BBI_DAT
A
RF_BBI_CLK
RF_EN_SYNT
2.7K
2.7K
2.7K
2.7K
AFC
D_REF_13M
MEL_13M
R106
R105
C140
10NF
VCC_RE
F
220PF
C120
R101
R102
QRX_TX_N
QRX_TX_P
IRX_TX_N
IRX_TX_P
Transmitter
GND
GND
HVC376B
2% Coilcraft

Samsung SGH-E700 service manual

Transcription

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