Sony PFM-42B1 Service Manual page 118

B
(3/6)
( )
3D COMB,Y/C DECODER,
CHROMA DECODER,
SECAM DECODER
5/6 SDA
5/6 SCL
IC4001
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
9V-A
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-42B1, PFM-42B1E
FL1004
AMP AMP BUFF
LPF
Q1026 Q1027 Q1028
IC1006
SYNC
2 1
SEP
IC1012
2 4
BUFF
Q1025
Y OUT 15
BUFF AMP
Y SW 20
Q4017 Q4018,4020
FL4003
Y IN 19 LPF
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
17
88 AYI TDO 19
13 TDI 8
.
DYCO0 65 11 BSCAN 7
D0
74 9
DYCO9 TMS 32
D9
.
76 CSI 3 TCK 29
.
2
IC1012
2 4
60
SDA ALFT 75 4
59 SCL 5
MIO0 28
MIO15 13
IC1007
FRAME MEMORY
50 FSCI
16 2
9
MA0 19 5
47 FSCO A0
. .
2
. 22 7
MA8 A8
99
26 D1 8
.
D16 31
29 LCAS
34
.
10 28 34
MACS UCAS
.
36
33
MRAS 98 14 RAS
.
39
MWE 11 13 WE Y0 28
MOE 12 27 OE Y9 25
.
23
20
47
44
.
C0
41
C9
37
.
35
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
7-3 7-3
IC4004
DIGITAL COMB/
IC4006
CHROMA DECODER
D/A CONV
FL4007
94 72 1
EXTY0 YO0
BUFF
R LPF
RO 42
Q4030
103 EXTY9 YO9 81 10
FL4009
CYO0 61 11
BUFF
G LPF
GO 44
70 20 Q4032
CYO9
83 EXTC0
92
EXTC9
FL4008
21
BUFF
B BO 46 LPF
30 Q4031
29 SDA FSC8 35 33 FSC2
28 SCL XFS2 34 32 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
BUFF BUFF
Y 1/6
Q4033 Q1066
BUFF
R-Y 1/6
Q4034
BUFF
B-Y 1/6
Q4035
CP1 1/6