background image
ECM-MS907
US Model
Canadian Model
AEP Model
E Model
SERVICE MANUAL
ELECTRET CONDENSER STEREO MICROPHONE
SPECIFICATIONS
Ver 1.2 2001. 06
With CORRECTION-1
(9-923-074-91)
9-923-074-12
2001F0200-1
© 2001.6
Sony Corporation
Personal Audio Company
Shinagawa Tec Service Manual Production Group


background image
­ 2 ­
SECTION 1
GENERAL
This section is extracted from
instruction manual.
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.
Notes on chip component replacement
· Never reuse a disconnected chip component.
· Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.


background image


background image


background image
­ 9 ­
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 pack-
ing materials are given in the last of this parts
list.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
­­­­­­­
­­­­­­­
­­­­­­­­­­
­­­­­­­
­­­­­­­
­­­­­­­
­­­­­­­­­­
­­­­­­
1
2-545-022-01 COVER, SHIELD
2
2-542-250-01 SUSPENDER
3
2-545-021-01 BRACKET, MICROPHONE HOLDING
4
2-545-045-01 SCREEN, WINDOW
5
2-545-020-01 SCREEN, SIDE
6
2-545-018-01 NET, SIDE
7
2-545-025-01 COVER, SWITCH
* 8
2-135-236-01 BUSHING
9
2-545-024-01 CHASSIS
10
2-545-027-01 CAP
11
2-532-252-01 SCREW, HOLDER
12
3-701-442-01 WASHER, POLYETHYLENE
13
2-545-028-01 HOLDER
14
2-532-251-01 JOINT
15
2-532-261-01 NUT, JOINT
16
X-2542-139-1 GRIP ASSY, HOLDER
17
2-545-023-01 GRIP
18
2-544-798-01 TERMINAL, MINUS
19
2-544-797-01 TERMINAL, PLUS
20
3-831-441-01 CUSHION
* 21
A-4542-426-A AMPLIFIER BOARD, COMPLETE
22
2-532-245-01 SPRING
23
2-545-030-01 WINDOW, LED
24
3-007-144-01 SHEET, BLIND
25
X-2542-137-1 MIC CASE ASSY
26
3-701-442-21 WASHER, 4.5
MIC1
8-814-271-00 MICROPHONE, BUILT-IN CU14-01A
MIC2
8-814-271-10 MICROPHONE, BUILT-IN CU14-02A
P1
1-790-508-11 CORD, MICROPHONE (2 CORE) (MIC OUT)
26
26
16
21
1
3
2
4
25
5
6
7
8
24
20
22
23
9
19
18
10
17
11
12
13
14
15
11
11
#3
#1
#1
#2
#3
P1
MIC1
MIC2
Ver 1.2 2001.06