Printed Wiring Boards - Regulator Section - Sony CMT-A70 Service Manual

CMT-A50/A70
Ver. 1.2
6-10. PRINTED WIRING BOARDS – REGULATOR Section –
• Semiconductor
1
Location
– Except US, CND
models –
Ref. No. Location
D318 D-4
D319 D-4
A
D320 C-5
D321 B-6
D322 B-5
SUB BOARD
D326 B-5
IC305 B-4
IC306 C-6
IC307 C-5
IC308 C-4
Q309 D-5
Q312 D-5
Q316 C-4
Q321 C-5
B
Q336 B-4
Q337 B-4
– US, CND models –
Ref. No. Location
D318 D-4
D319 D-4
D320 C-5
D321 B-6
D322 B-5
D326 B-5
C
IC305 B-4
IC306 C-6
IC307 C-7
IC308 C-7
Q309 D-5
Q312 D-5
Q316 C-4
Q321 C-5
Q336 B-4
Q337 B-4
D
E
CMT-A50/A70
• See page 23 for Circuit Boards Location.
2 3
(COMPONENT SIDE)
1-864-631-
: Uses unleaded solder.
4
H1
SUB BOARD
(CONDUCTOR SIDE)
2
1
Q337 CN312
20
D326
Q336
C400
C378
C366
C377
1
3
IC307
IC305
G
C372 C373
MAIN
3 1 3
BOARD
CN308
IC308
(Page 27)
C368
C371
9 8 7 6 5
1
E
R366
D319
E
D318 Q309
R316
11
(13)
30 30
5 6
(A50) (A70)
AMP BOARD AMP BOARD
H2
CN501, 502 CN501, 502
(Page 34) (Page 36)
CN312
16
(FRONT VIEW)
15
15 16
C414
C363
13 14
CN312
11 12
SPEAKER OUT
C399
(POWER IN)
9 10
D321
7 8
D322
5 6
3 4
C362
C369
(EXCEPT US, CND)
1 2
1 3 1
IC306
REG-IC BOARD
C361
C367
4 1
3 2
D320
Q321
1 3
E 1 3
1 2 3
E
Q312
R317
11
(13)
1-864-631-
7
(US, CND)
1 3 1 3
1 3 1 3
11
(11)
4 5 6 7 8 9
1-866-253-