Block Diagrams - Sony PFM-42B2 Service Manual

Block Diagrams

QA
(1/2)
(BKM-B10)
CN9503
CN9501(1/2)
CN6910(1/2)
BUFF
IN A3 VIDEO VIDEO
Q9501
COMPOSITE
OUT
VIDEO
BUFF
A4 Y
Q9502
CN9502
Y/C IN
BUFF
A5 C
Q9503
Q-SENSE
CONT1
J9002
RGB/
INPUT2
YUB
J9001
RGB/
INPUT1
YUB
CN6102(1/3)
R OUT
G OUT
B1 BOARD
CN6101(2/2)
B OUT
SOG
PFM-42B2/42B2E
Section 6
B
(1/6)
(Y/C CONTROL)
IC1002(1/3)
BUFF
A3 3
Q1002
5
BUFF
Q1003
IC1002(2/3)
BUFF
Y A4 13
Q1000
12
IC1002(3/3)
BUFF
C A5 1
Q1001
2
IC1001 IC1003(1/3)
Y
1 3 12
VCA
13
2
5/6 Y GAIN
IC1000(1/2) IC1003(2/3)
R-Y
2
1 3
VCA
1
2
5/6 R-Y GAIN
IC1000(2/2) IC1003(3/3)
B-Y
7 5 5
VCA
R B11 3
6
5/6 B-Y GAIN
G B10
3/6 Y
3/6 R-Y
B B9 3/6 B-Y
Q105
A15
5/6 YUV/VIDEO
A14 IC6907
RGB SW
1 RO 21
R1
7 R2
3 G1 GO 19
9 G2
5 B1 BO 15
11 B2
OP SENS 5/6
CTL
OP CTL1 5/6 16
IC4013
DOC
6 SCL
V SYNC
7
5 SDA
IC103
DOC
6 SCL
7 V SYNC
5 SDA
R1 6/6
G1 6/6
B1 6/6
A15
A14
A13
A5
Q6908
2/6,5/6 RGB3
2/6,5/6 VIDEO RGB
2/6,5/6 RGB1/RGB2
B (1/6), QA(1/2) B (1/6), QA(1/2)
AMP BUFF
4 V OUT 3/6
Q1004,1007 Q1010
9
AMP BUFF
14 Y OUT 3/6
Q1005,1008 Q1011
11
AMP BUFF
15 C OUT 3/6
Q1006,1009 Q1012
10
IC1005
BUFF/AMP
Y
14 1 3 Q1014,1016 Y1 4/6
VCA
Q1018-1024
11 2
Q1017
15 R-Y 1 4/6
10
4
B-Y 1 4/6
IC1004
9
6 CH1
COM 1
7 CH0
5/6 PIC AGC SW
5
Q1013
5/6 Y SW
IC1044
6 CH1
COM 1 SECAM C 3/6
7 CH0
5
3/6 S1
IC6905
RGB SW
1 R1 RO 21
7
R2 MUTE
Q6901
3 G1
GO 19
9 G2
MUTE
Q6902
5 B1
11 B2 BO 15
CTL MUTE
Q6903
16 Q6182
BUFF BUFF
Q6193 Q6181
IC100(1/3)
3
BUFF
4
5 Q102
9
IC6906 SYNC SEP
SYNC SW
IC100(2/3) Q103,104
12
1
14 15
13 2 5V-3
15
10
11
IC100(3/3)
1
13
14
5
3 12 5V-3
2
11
4
10 A
9 B
5/6 SYNC SEL
5/6 S.SEP BIAS
6-1 6-1
Q4023 Q4022
3/6 CP1
Q4038
5/6 2D/3D
IC4007
SYNC PROC
CPO 22
27 HSOF3
5V-3
IC4005
X4002
503kHz
5 28 HSOF2
4
3 29 HSOF1
15
X4003
9 Q4037
500kHz
Q4025
3/6,4/6,5/6 X56 19 N/P
5V-3
Q4029
TIME
5/6 AFC SW CONSTANT 26 AFCF
Q4028
15
Q4036
34 VSSI
BUFF
Q4027
36 SSI
NHSO 23
TEMP
5V-3 COMP
Q4026 VSO 20
1
9
RGB H 5/6
IC101
SYNC SEP
4 GREEN
H POL 18 H POL 5/6
V POL 5/6
V POL 19
BIAS
IC223
TH100
2 4
HD 15 SYS HS 5/6,6/6
6 C/H
SYS VS 5/6,6/6
VD 13
BUFF
CLAMP 17 CLAMP 6/6
Q101
8 V
BUFF
Q100
IC4012
6
7 CP 4/6
5
IC4009
H PULSE
3
5
GEN 4 HD 4/6
2
1
1
IC4010
9 8
IC4008
H PULSE
5 FH 3/6
GEN
1
IC4010
11 10
FV 3/6,4/6
IC4011
V PULSE
5 VBL 3/6,4/6
GEN
VEQ 3/6
13
Q4039
CN6102(2/3)
A2 PR/R
A3 Y/G
B1 BOARD
CN6101(1/2)
A4 PB/B
A9 SYS HS