Sony PFM-42B1 Service Manual page 6

8-2. Schematic Diagrams and Printed Wiring Boards
+5V
C9510
R9510 Q9501 0.01
R9506 47k 2SC2785TP
1k BUFFER
VIDEO 2.5
VIDEO IN
R9513
330
C9504
47 1.9
CN9503
16V D9503
C9506
MTZJ-T-77-10B R9511 R9512
VIDEO OUT 47
47k 3.3k
PROTECT
16V
+5V
R9501
75
:RN
C9512
0.01
R9514 Q9502
R9507 47k 2SC2785TP
1k
BUFFER
Y 2.5
R9517
R9504 330
C9505
75
1.9
47 D9504
:RN
16V
MTZJ-T-77-10B
C9507
PROTECT R9515 R9516
47
47k 3.3k
16V
C
3 4
R9518
1 2
YC IN
47k Q9503
R9508 2SC2785TP
1k BUFFER
2.5
R9521
CN9502 C9503 330
0.01
B D9505 1.9
R9505
C9508
75 MTZJ-T-77-10B
0.01
:RN PROTECT R9519 R9520
47k 3.3k
D9501
C9501
10
MTZJ-T-77-10B
3 PROTECT
1
AUDIO IN
2
R9502
47k
J9501
R9503
47k C9502 D9502
10 MTZJ-T-77-10B
PROTECT
PFM42B1, PFM-42B1E
A B
CN9501
44P
A1 NC
B1 RX
VIDEO
A2 VIDEO
B2 TX
A3 NC
B3 GND
Y
A4 Y
B4 GND
C
B
A5 C
B5 GND
A6 AUDIO_L
B6 GND
A7 AUDIO_R
B7 GND
A8 Q-SENSE
B8 GND
B
A9 CONT1
B9 CONT2
A10 RGB3
B10 GND
A11 SCL
B11 SDA
TO B BOARD
+5V
A12 GND CN6910
B12 R
C9511
A13 GND
0.01
B
B13 G
A14 GND
B14 B
A15 GND
B15 H
B
A16 GND
B16 V
A17 GND
B17 DMP_CLK
A18 DMP_RX
B18 DMP_TX
A19 OP_CS
B19 STBY5V
A20 GND
C9509
47
B20 D5V
16V
A21 GND
B21 13.5V
A22 29V
QA
B22 29V
(INPUT BUFFER)
B-SS9704-QA-J
BKM-B10 is available separately for AEP model.
C
(BKM-B10) QA QA (BKM-B10)
J9501 J9501
R9503 R9503 R9502 R9502
C9502 C9502 C9501 C9501
D9502 D9502 D9501 D9501
8-3 8-3
D E
CN9503 CN9503
CN9502 CN9502
R9505 R9505 R9504 R9504
C9504 C9504
R9501 R9501
C9503 C9503
C9505 C9505
R9506 R9506
D9503 D9503
D9505 D9505
D9504 D9504
R9511 R9511
R9508 R9508
R9507 R9507 C9510 C9510
R9510 R9510
R9519 R9519 R9515 R9515
Q9501 Q9501
C9512 C9512
C9511 C9511
R9512 R9512
Q9502 Q9502
R9513 R9513
Q9503 Q9503
R9516 R9516
R9520 R9520
R9521 R9521
C9509 C9509
CN9501 CN9501
QA
-A SIDE-
SUFFIX: -11
QA
-B SIDE-
SUFFIX: -11
F G
1
QA BOARD
D9501 B-3
D9502 A-3
D9503 D-3
D9504 C-3
D9505 B-3
Q9501 E-2
Q9502 C-2
Q9503 B-2
2
3
4
5
H