Sony PFM-42B2 Service Manual page 97

B
(3/6)
( )
3D COMB,Y/C DECODER,
CHROMA DECODER,
SECAM DECODER
5/6 SDA
5/6 SCL
SW/CLAMP
1/6 V OUT
22 VIDEO
26 Y SEC
1/6 Y OUT 24 Y-S
28
Y MAT
1/6 C OUT 30
C-S
1/6 S1
Q4006
1/6 VID SEL1 23 S1
Q4003
1/6 VID SEL2 25 S2
21 Y BIAS
TEMP
REG
COMP 4
C BIAS
Q4002
Q4001
IC4010
1 2
11 VPX
1/6 VEQ
1/6 SECAM C
IC4010 Q4019 IC4010
5 6 3 4
1/6,4/6 VBL
PFM-42B2/42B2E
FL1004
AMP AMP
LPF
Q1026 Q1027
IC1006
SYNC
2 1
SEP
IC1012
2 4
IC4001
Y OUT 15
BUFF AMP
Y SW 20
Q4017 Q4018,4020
FL4003
LPF
Y IN 19
Y CLP 16
C OUT 10
FL4006
C SW 13 LPF
C IN 12
BUFF
C CLP 9
Q4021
SECAM 8
LINE ID 7
9V-A
Q4004
BUFF
Q4005
Q4000
IC4000
SECAM DECODER
R-Y SEL 31
BUFF BUFF
R-Y 1 11 -(R-Y)
Q4011 Q4007
9V-A
Q4013
B-Y SEL 32
BUFF BUFF
B-Y 2 12 -(B-Y)
Q4015 Q4008
D4003
19 SAND
AMP BUFF
20 CVBS
Q4012 Q4014
Q4010 Q4016 Q4009
1 IDENT
B (3/6) B (3/6)
IC1011 IC1013
3D COMB Y/C DECODER
BUFF
88 AYI 17 TDO
Q1028
13
TDI
.
DYCO0 65
11 BSCAN
D0
74 9
DYCO9 TMS
D9
.
76 CSI 3 TCK
.
2
IC1012
2 4
60 SDA ALFT 75 4
59
SCL 5
MIO0 28
MIO15 13
IC1007
FRAME MEMORY
50 FSCI
16 2
BUFF 9
47 FSCO MA0 19 5
A0
. .
Q1025
2
.
22 7
MA8 A8
99
26
D1 8
.
D16 31
29 LCAS
34
.
MACS 10 28 UCAS
36
MRAS 98 14 RAS
39
MWE 11 13 WE Y0
MOE 12 27 OE Y9
C0
C9
IC4003
A/D CONV
D0 1
21 VIN
D7 8
24 VRB
3.3V-S
12 CLK
BUFF
Q4024
1/6 FH
1/6,4/6 FV
1/6,4/6,5/6 X56
6-3 6-3
19
8
7
32
29
IC4004
DIGITAL COMB/
34 IC4006
CHROMA DECODER
.
D/A CONV
33
.
28 94 72 1
EXTY0 YO0
BUFF
R RO
42
103 81 10 Q4030
25 EXTY9 YO9
.
23
20
61 11
CYO0 BUFF
47 G GO 44
70 20 Q4032
CYO9
44
.
83 EXTC0
41
92
EXTC9
37
.
21
BUFF
35 B BO 46
30 Q4031
29 SDA FSC8 35 33 FSC2
28 XFS2 32
SCL 34 XFSC2
31 FSC4
134 VIN2
127 VIN9
CLP3 27
X4004
19 RB 14.302MHz
XO3 50
XI3 49
X4000
21 AD IN
17.7MHz
XO2 48
XI2 47
X4001
14.3MHz
140 XCL1 XO1 46
XI2 45
24 SECJ
COM 40
25 SECI
33 FSC
142 FH IFSC4 31
143 FV FSC4 32
144
X56
CN115
2 SDO
3 SDI
4 ISPEN
6 MODE
8 SCLK
FL4007
BUFF BUFF
LPF Y 1/6
Q4033 Q1066
FL4009
BUFF
LPF R-Y 1/6
Q4034
FL4008
BUFF
LPF B-Y 1/6
Q4035
CP1 1/6