Sony VPL-PX32 Service Manual page 95

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J1901
Y
C
3
4
1
2
S
V
VIDEO
L
L-V
R
R-V
CN1902
L-VIDEO
TO
1
QA BOARD
R-VIDEO
3
CN807
CN1904
2 RD
3 TD
RS-232C/422
J1902
CONTROLS-IN
Q1902
SW
CN1903
SIRCS S
6
SIRCS
5
23
TXD RD
1
RXD RS
TO
2
Y BOARD
CN3003
QD(SIRCS/VIDEO IN)
VPL-PX32
CN1901
CN102
Q107,109,101
Y
3
3
Y(SVIDEO)
C
5
5
C(SVIDEO)
Y/C/CV
BUFF
C-VIDEO
1
1
CV
TP1902
IC1901
RS-232C DRIVE
RXD
8
R1
R20
9
7
T20
T21
10
TP1901
Q120
Q108
TXD
EQ
BUFF
Q128
Q125-127
Q1904
BUFF
EQ,AMP
INV.BUFF
Q124
Q121-123
Q1903
BUFF
EQ,AMP
INV.BUFF
IC1902
TIMER
5
2Q
2B
10
+5V
Q1901
SW
BA(CHROMA DECODER)
BA, QD
BA, QD
IC101 COLOR DECODER
IC102 RGB INTERFACE
TP101
TP105
Y
V.Y
44
CVBS/Y2
Y OUT
21
69
Y1
R OUT
TP102
TP104
C
V.B-Y
43
C2
CB OUT
22
68
B-Y1
G OUT
TP100
TP103
VIDEO
V.R-Y
1
CVBS/Y1
CR OUT
23
67
R-Y1
B OUT
IC106 INV
R-Y2 3
X100
16.2MHz
HS
9
2
IN OUT
4
66
HS1
PR3
38
XTAL
1 HS2
IC105 INV
B-Y2
5
COMB Y
VS 4
2
IN
OUT
4
65 VS1
PB3
2
VS2
7
COMB C
Y2
SCL
13
55 SCL
Y3
COMB OUT
3
CVBS OUT
SDA
14
56
SDA
HS3
SCP
10
VS3
Q111
HS
29
HS OUT
VS
BUFF
19 Y1
SFC OUT
46
28 VS OUT
SCP IN
IC221 D.COMB
1 CLP0
FIN 37
Q103
2
ADIN
BUFF
7 AC0
9 AY0
VEH3 20
23
PNR
VEH2 21
Q118
26 NTPL1
VEH1 22
BUFF
Q119
IC250 DAC
INV
VEH1
5
1 SW1
VEH2
6
VEH3
7
IC259 INV
HS
9 SW2
SCL 15
3
5
VS
SDA 14
1
7
6
2
6-3
6-3
TP108
Q112-114
R OUT
VR
A11
35
B11
TP109
G OUT
VG
A13
R/G/B
37
BUFF
B13
TP110
B OUT
VG
A15
39
B15
TP106
Q115-117
R-Y/R
R/R-Y
A1
B1
9
TP107
Y/G
G/Y
A3
4
BUFF
B3
10
TP112
B-Y/B
B/B-Y
A5
5
B5
11
H
B6
7
V
B7
8
TP113
SCP IN
31
RGB SYNC
B8
SDA A20
SCL B20
IC251
IC253
2-CH MULTIPLEXER
IC252 INV.
V-CLP
B9
3
IN OUT
4
6 CH1
COMMON 1
2
IN
OUT
4
TP114
CLAMP
7
CH0
5
A
Q110,129
BUFF
IC103
2-CH MULTIPLEXER
7
CH0
COMMON
1
6 CH1
5 A
TP116
V.SYNC
IC254 INV
V-VD
B18
2
IN OUT
4
IC257
Q130
IC256
MONO. MULTI.
TP115
BUFF
2
7
11
B2
Q1 6
H.SYNC
5
Q2 10
V-HD
B17
Q2 9
4 A1
A22
B22
IC258 +5V REG
A23
B23
+5V
O
I
IC255 +9V REG
A24
A25
+9V
O
I
CN101
5
TO
BB BOARD
CN306
BA, QD BLOCK

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