Sony ECM-MS907 Service Manual, Version 1.2

Sony ECM-MS907 Service Manual, Version 1.2

ECM-MS907
SERVICE MANUAL
US Model
Canadian Model
AEP Model
E Model
Ver 1.2 2001. 06
With CORRECTION-1
(9-923-074-91)
SPECIFICATIONS
ELECTRET CONDENSER STEREO MICROPHONE
9-923-074-12
Sony Corporation
2001F0200-1
© 2001.6
Personal Audio Company
Shinagawa Tec Service Manual Production Group
SECTION 1
GENERAL
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270°C during
repairing.
• Do not touch the soldering iron on the same conductor of the circuit
board (within 3 times).
• Be careful not to apply force on the conductor when soldering or
unsoldering.
This section is extracted from
instruction manual.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be damaged by heat.
–2–
Ver 1.2 2001.06
SECTION 4
EXPLODED VIEW
NOTE :
r -XX, -X mean standardized parts, so they may
have some difference from the original one.
r Items marked “ * ”are not stocked since they are
seldom required for routine service. Some delay
should be anticipated when ordering these items.
r The
mechanical parts with no reference number
in the exploded views are not supplied.
r Hardware (# mark) list and accessories and packing materials are given in the last of this parts
list.
5
6
#2
#1
7
#1
24
23
8
#3
P1
25
22
20
4
10
9
21
11
MIC2
19
12
18
2
13
3
#3
26
17
11
MIC1
14
26
15
16
1
Ref. No.
–––––––
1
2
3
4
5
Part No.
–––––––
2-545-022-01
2-542-250-01
2-545-021-01
2-545-045-01
2-545-020-01
Description
––––––––––
COVER, SHIELD
SUSPENDER
BRACKET, MICROPHONE HOLDING
SCREEN, WINDOW
SCREEN, SIDE
6
7
* 8
9
10
2-545-018-01
2-545-025-01
2-135-236-01
2-545-024-01
2-545-027-01
NET, SIDE
COVER, SWITCH
BUSHING
CHASSIS
CAP
11
12
13
14
15
2-532-252-01
3-701-442-01
2-545-028-01
2-532-251-01
2-532-261-01
SCREW, HOLDER
WASHER, POLYETHYLENE
HOLDER
JOINT
NUT, JOINT
11
Remark
–––––––
Ref. No.
–––––––
16
17
18
19
20
Part No.
–––––––
X-2542-139-1
2-545-023-01
2-544-798-01
2-544-797-01
3-831-441-01
Description
––––––––––
GRIP ASSY, HOLDER
GRIP
TERMINAL, MINUS
TERMINAL, PLUS
CUSHION
* 21
22
23
24
25
A-4542-426-A
2-532-245-01
2-545-030-01
3-007-144-01
X-2542-137-1
AMPLIFIER BOARD, COMPLETE
SPRING
WINDOW, LED
SHEET, BLIND
MIC CASE ASSY
3-701-442-21
8-814-271-00
8-814-271-10
1-790-508-11
WASHER, 4.5
MICROPHONE, BUILT-IN CU14-01A
MICROPHONE, BUILT-IN CU14-02A
CORD, MICROPHONE (2 CORE) (MIC OUT)
26
MIC1
MIC2
P1
–9–
Remark
––––––
ECM-MS907
Ver 1.2 2001.06
SECTION 5
ELECTRICAL PARTS LIST
AMPLIFIER
NOTE :
r Due to standardization, replacements in the
parts list may be different from the parts specified in the diagrams or the components used on
the set.
r -XX, -X mean standardized parts, so they may
have some difference from the original one.
r RESISTORS
All resistors are in ohms
METAL : Metal-film resistor
METAL OXIDE :Metal oxide-film resistor
F : nonflammable
r Items marked “ * ”are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
Ref. No.
–––––––
*
r SEMICONDUCTORS
In each case, u : µ , for example :
uA.... : µ A.... , uPA.... : µ PA....
uPB.... : µ PB.... , uPC.... : µ PC....
uPD.... : µ PD....
r CAPACITORS
uF : µ F
r COILS
uH : µ H
Part No.
Description
–––––––
––––––––––
A-4542-426-A AMPLIFIER BOARD, COMPLETE
**************************
Remark
–––––––
Ref. No.
–––––––
R14
R15
R16
R17
R18
2-532-245-01 SPRING
< CAPACITOR >
C1
C2
C3
C4
C5
1-164-360-11
1-164-360-11
1-128-309-11
1-128-309-11
1-128-309-11
CERAMIC CHIP
CERAMIC CHIP
ELECT
ELECT
ELECT
0.1uF
0.1uF
4.7uF
4.7uF
4.7uF
20%
20%
20%
16V
16V
6.3V
6.3V
6.3V
C6
C7
C13
C14
C15
1-164-360-11
1-104-908-11
1-162-970-11
1-162-964-11
1-162-964-11
CERAMIC CHIP
TANTAL. CHIP
CERAMIC CHIP
CERAMIC CHIP
CERAMIC CHIP
0.1uF
47uF
0.01uF
0.001uF
0.001uF
20%
10%
10%
10%
16V
4V
25V
50V
50V
C16
1-162-964-11 CERAMIC CHIP
0.001uF
10%
50V
Description
––––––––––
METAL GLAZE
METAL CHIP
1-216-833-11 METAL CHIP
1-216-817-11 METAL CHIP
1-216-824-11 METAL CHIP
2K
1.8K
5%
5%
Remark
––––––
1/16W
1/16W
10K
470
1.8K
5%
5%
5%
1/16W
1/16W
1/16W
S1
1-762-894-11 SWITCH, SLIDE (POWER)
************************************************************
MISCELLANEOUS
**************
MIC1
MIC2
P1
8-814-271-00 MICROPHONE, BUILT-IN CU14-01A
8-814-271-10 MICROPHONE, BUILT-IN CU14-02A
1-790-508-11 CORD, MICROPHONE (2 CORE) (MIC OUT)
************************************************************
ACCESSORIES & PACKING MATERIALS
********************************
8-719-989-22 LED CL-150R-CD (POWER)
2-545-083-01 PORCH, CARRYING
3-858-569-11 MANUAL, INSTRUCTION (ENGLISH,FRENCH,
GERMAN,SPANISH,DUTCH,ITALIAN)
< JUMPER RESISTOR >
JC1
Part No.
–––––––
1-218-271-11
1-216-824-11
< SWITCH >
< DIODE >
D1
When indicating parts by reference
number, please include the board.
1-216-295-00 METAL, CHIP
0
5%
1/10W
************************************************************
< TRANSISTOR >
*********************
Q1
Q2
Q3
Q4
8-729-230-63
8-729-230-63
8-729-230-63
8-729-230-60
TRANSISTOR
TRANSISTOR
TRANSISTOR
TRANSISTOR
HARDWARE LIST
2SC4116-YG
2SC4116-YG
2SC4116-YG
2SA1586-YG
*********************
#1
#2
#3
< RESISTOR >
R1
R2
R3
R4
R5
1-216-831-11
1-216-824-11
1-216-843-11
1-216-819-11
1-216-827-11
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
METAL CHIP
6.8K
1.8K
68K
680
3.3K
5%
5%
5%
5%
5%
1/16W
1/16W
1/16W
1/16W
1/16W
R6
R7
R8
R9
R10
1-216-827-11
1-216-841-11
1-216-817-11
1-218-482-11
1-216-819-11
METAL CHIP
METAL CHIP
METAL CHIP
METAL GLAZE
METAL CHIP
3.3K
47K
470
430
680
5%
5%
5%
5%
5%
1/16W
1/16W
1/16W
1/16W
1/16W
R11
R12
R13
1-216-819-11 METAL CHIP
1-218-271-11 METAL GLAZE
1-216-824-11 METAL CHIP
680
2K
1.8K
5%
5%
5%
1/16W
1/16W
1/16W
– 10 –
7-685-203-19 SCREW +RK 2X5 (TYPE 2)
7-685-104-19 SCREW +P 2X6 TYPE2 NON-SLIT
7-685-102-19 SCREW +P 2X4 TYPE2 NON-SLIT
ECM-MS907
US Model
Canadian Model
AEP Model
E Model
SERVICE MANUAL
Ver 1.1 1999.12
CORRECTION - 1
Correct your Service Manual as shown below.
Page
9
INCORRECT
CORRECT
Ref. No.
Part No.
12
26
3-701-442-01 WASHER, POLYETHYLENE
3-701-442-21 WASHER, 4.5
Description
Remark
Part No.
Description
Remark
3-701-442-21 WASHER, 4.5 (t:0.5)
3-701-442-01 WASHER, POLYETHYLENE (t:0.13)
(SPM-99055)
Sony Corporation
9-923-074-91
Personal Audio Division Company
1999L0274-1
Printed in Japan © 1999.12
Published by General Engineering Dept.
ECM-MS907
REVISION HISTORY
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Ver.
Date
Description of Revision
1.2
2001.06
Change of the “cord, microphone” (P1).
1.1
1999.12
CORRECTION-1
1.0
1997.02
New
(SPM-01015)