Sony VPL-PX32 Service Manual page 113

• Refer to page 7-5 for Printed Wiring Board
• Refer to page 7-9 for IC Block Diagrams
CN802
70P
R941
100
TO BB CN305
:CHIP
JL847 #
IRD A A1
JL848 #
IRD B B1
R999
GND
A2 100
R998 :CHIP
GND B2
JL849 100
# :CHIP
DS2+ A3
R997
JL850
DS2+ B3 100
#
:CHIP
DS2- A4
DS2- B4 JL851
#
YC/OTHER A5 YC/OTHER
CV/OTHER B5 CV/OTHER
JL852
GND A6
#
GND B6
JL853
R/R-Y A7
#
R/R-Y
R/R-Y B7
GND A8
GND B8
JL854
G/Y A9
#
G/Y B9 G/Y
GND
A10
JL855
GND B10
#
B/B-Y A11 B/B-Y
B/B-Y
B11
GND A12
JL856
GND B12
#
H
A13 BA H
H B13
GND A14 (P2)
JL857
GND
B14
#
V A15 BA V
V B15
GND
A16
JL858
GND B16
#
RGBSYNC A17 RGBSYNC
RGBSYNC
B17
GND A18
GND B18
V-R
V-R A19
V-R B19
JL859 (P1)
GND A20 #
GND B20
V-G
V-G A21
V-G B21 JL860
#
GND A22
GND B22
V-B
V-B A23
V-B B23 JL861
#
GND A24
GND B24
(P1)
V-H
V-HD A25
JL862
V-HD
B25 #
V-V
V-VD A26
V-VD B26
JL863
#
GND
A27
GND B27
V-CLP
V-CLP A28 (P1)
V-CLP
B28
JL864
#
GND A29 A (P1)
JL865
GND B29
#
SDA100K SDA100K
A30
SCL100K B30
SCL100K
GND A31
JL866
#
GND
B31
+6V A32
+6V B32
+6V A33
(P1)
+6V B33
+10V A34
-6V B34
+10V A35
-6V B35
JL870
# JL867
#
JL868
#
JL869
#
FL803
EMI
VPL-PX32
A B
5V
IRD A
IRD B
(P1)
DS2+
C851
47
DS2-
6.3V
R
:ALB-CP
R MON
R1000 C854
0.1
47k
25V
:CHIP
B:CHIP
(P1)
C852
47
6.3V
:ALB-CP G
(P1)
G MON
R942
47k
C859
:CHIP
0.1
25V
B:CHIP
C853
47
6.3V
:ALB-CP B
B MON
R943
47k
:CHIP C864
-5V 9V 0.1
25V
B:CHIP
(P1)
C982 L805
10
10µH
16V
:CHIP
:AL-CP
MON OUT OFF
SYNC SW1
SYNC SW2
SYNC SW3
R1012
#
C977
D822 5V
4.7 R1007
MA157-TX 100
16V
F:CHIP PROTECT :CHIP
AH
R1013
C979 82k
4.7 :CHIP R1005
16V 100
F:CHIP
:CHIP
BH
R966
C875
82k
D814 10
C978 :CHIP
22 MA157-TX 16V
R1001
16V :AL-CP
PROTECT 100
:ALB-CP
:CHIP
IC811
BV
MC74HC4052ADTR2
R1010 SYNC SEP
C981
D848
82k R1004
22
RD9.1SB2
16V :CHIP 100
:ALB-CP PROTECT :CHIP
BNC V 0
R1009
D847 0 0.2
82k
RD9.1SB2
:CHIP R1003
0 0
PROTECT 100
:CHIP
0 0
(P1) AV
R1008 D846 0 0
C806
(P1)
22 82k RD9.1SB2
0.2 0
16V :CHIP PROTECT
:ALB-CP
-5.0 0
C983
D823 0 5.0
10
MA157-TX
16V
PROTECT
5V :AL-CP
BNC H
C976 R1006 R1002
4.7 82k 100
R865
16V :CHIP C833 :CHIP
100
F:CHIP 5V
0.1
:CHIP
25V
B:CHIP
IC805
C835
GS1881-CTA
0.1
SYNC SEP
C834 25V
R864
1k 0.1 B:CHIP
:CHIP 25V
CS OUT VCC
B:CHIP
0.7 0.2
R863
ODD/
1k CV IN
EVEN
:CHIP 1.5
VS OUT RESET
0 Q809
C831 C836
2SA1162 GND BACK PCH
680p 0.1
-5.0
C BUFF
CH:CHIP 25V
B:CHIP
C832 R866
0.1 430k
25V :RN-CP
B:CHIP
IC817 IC816
PQ05SZ1U 5V
BA09EP-E2
5V REG
9V REG
L817
-5V
22uH
I O I O
C953
G G
C952 68
10V
10
16V :AL-CP C951
:AL-CP
C950
10
16V :AL-CP
:AL-CP
C D
QA (2/3) QA (2/3)
L802
R947 220 :RN-CP C869
10µH
10
:CHIP
16V
IC808 :AL-CP
MAX4223ESA
R DRV
0.4
NC
R944 SHDN
0 5.0 R956
10 150
VCC
R
:CHIP :RN-CP
0 0
-5.0 0 C858
VEE NC 10
C855 16V
10 :AL-CP
16V R945
R946 C857 R957
:AL-CP 0
220 0.1 150
:CHIP
:RN-CP 25V :RN-CP
B:CHIP
C856 R951 220 :RN-CP
+5V
1p
CK:CHIP
IC809
MAX4223ESA
C863
G DRV
10
16V
0.4 :AL-CP
NC
SHDN
R948 R958
0 5.0
10
150
VCC
:CHIP G :RN-CP
0 0
-5.0 0
NC
VEE
C862 R959
R949 R950 0.1 150
C861
0 220 R955 220 :RN-CP 25V :RN-CP
C860 1p
:CHIP :RN-CP B:CHIP
10 CK:CHIP
16V
IC810
:AL-CP
MAX4223ESA
C868
B DRV
10
16V
0.4 :AL-CP
NC
R952 SHDN
0 5.0 R960
10
VCC 150
:CHIP B
0 0 :RN-CP
-5.0 0
VEE NC
C866
R954 R961
1p R953
C867
220 150
CK:CHIP 0
C865 0.1 :RN-CP
:RN-CP
:CHIP R962
10 25V
1k
16V B:CHIP
:CHIP
:AL-CP
C876
10
16V
C874
Q822 :AL-CP
+9V 0.1
2SC2712
25V
L804 PEAK HOLD
B:CHIP
10µH
R973
:CHIP
47k
:CHIP IC812(2/2)
8.9
3.1 TL082CPS
C984
Q821 R971
10 R969 BUFF
R1011
R967 8.9 47k
47 16V 100 2SC2712
10k 3.6 :CHIP
:CHIP :AL-CP :CHIP BUFF 3
:CHIP
3.7
2
4.3
C878
3.7
3.6 1
:AL-CP
R968
10k R972
:CHIP 120k
:CHIP
3.6 R974
R970
470 47k
:CHIP :CHIP
0 0
D813 Q823
C877
DAN202K 2SA1162 10
PROTECT PEAK HOLD 16V
:AL-CP
C881
22
+9V
16V
:AL-CP C883
10
16V
Q825
:AL-CP
2SC2712 R980
C879
0.1 82k
PEAK HOLD
25V :CHIP
C884
B:CHIP
R976 0.1
8.9 0
22k 25V
R981
:CHIP B:CHIP
Q824
82k
C880 3.7 3.7 8
22 2SC2712 :CHIP 8.9
R975 R978 8.9 5 3.7
16V BUFF
47 100 7
:AL-CP
:CHIP
:CHIP C885 6
1
0
:AL-CP 4
4.3
3.7
3.7
R977
IC812(1/2)
22k
TL082CPS
:CHIP R979
1k R982 BUFF
:CHIP 100k
:CHIP
3.7
R983
82k
4.2
:CHIP
0
D815
Q826
DAN202K
PROTECT 2SA1162
C882
PEAK HOLD
22
16V
:AL-CP
IC818
-5V
LM2990SX-5.0
FL802
9V
-5V REG
EMI I O
G
C955
68
47 10V
16V :AL-CP
C954
10
16V
:AL-CP
7-7 7-7
E
VIDEO L
D824
D816
RD9.1SB2
MA157-TX
PROTECT
PROTECT
(P3)
VIDEO R
R
OUT R
D825
C871 RD9.1SB2
330 R963
PROTECT
16V 47k
:AL-CP :CHIP
D817
MA157-TX
PROTECT
G OUT G
R964
C872
47k
330
:CHIP
16V
:AL-CP
D818
MA157-TX
PROTECT
B OUT B
R965
C873
47k
330
:CHIP
16V
:AL-CP
D819
MA157-TX
PROTECT
+5V
OUT H
D820
MA157-TX
PROTECT
3.7
1
L803
10µH
:CHIP
C870
10
16V
:AL-CP R989 R991
R987
330 330
10
+5V 1/8W 1/8W
:CHIP
:CHIP :CHIP
R988
C887
330
47
1/8W
16V
:CHIP
:AL-CP
R990
47
IC814
:CHIP
SN75453BPS
BUFF
C888
8 7 6 5
R985 0.1
33 25V
:CHIP B:CHIP
IC813
C886
1A
SN75157 VCC
0.1
0.2 4.9
PS
25V
1B 2B
B:CHIP
1Y 2A
0 0
1 2 3 4
GND 2Y
0
R994
R984
47
33
:CHIP
:CHIP
BA H
(P2)
BA V
R995
47
:CHIP
RE H
(P1)
RE V
QA(2/3)
(INPUT SW)
F G
1
CN807
C896 4P
4.7 WHT-L
35V L808 JL871
TO QD CN1902
:AL-CP OUH #
1 L-VIDEO
R1015
JL872 GND
2
470k #
:CHIP
3 R-VIDEO
4 GND
C897
4.7
S-SEL
35V L809
:AL-CP OUH
R1016
JL875
470k
#
:CHIP
2
CN806
50P
WHT
JL903
TO QC CN1805
#
AUDIO OL
AUDIO OL A1
B1 AUDIO OL
A2 AUDIO OL
AUDIO OL
B2
(P3) A3 GND
B3 GND
GND
A4
JL904
B4 GND
#
AUDIO OR A5 AUDIO OR
AUDIO OR
B5
A6 AUDIO OR
B6 AUDIO OR
GND
A7
B7 GND
A8 GND
JL878
B8 GND
#
A9 OUT R
B9 OUT R 3
A10 OUT R
OUT R
B10 OUT R
A11 GND
B11 GND
A12 GND
JL879
B12 GND
#
A13 OUT G
B13 OUT G
A14 OUT G
OUT G
B14 OUT G
GND
A15
R992
330
B15 GND
1/8W
:CHIP
A16 GND
JL880
GND
B16
#
A17 OUT B
B17 OUT B
OUT B
A18
OUT B
B18 OUT B
A19 GND
GND
B19
4
A20 GND
JL881
B20 GND
R993 #
47
OUT H
A21
:CHIP
B21 OUT H
A22 OUT H
OUT H
B22 OUT H
A23 GND
B23 GND
JL882
#
A24 OUT V
B24 OUT V
A25 OUT V
OUT V
B25 OUT V
JL883
#
5
B-SS1717-QA.-P2
H