Sony VPL-PX32 Service Manual page 123

• Refer to page 7-16 for Printed Wiring Board
• Refer to page 7-19 for Waveforms
• Refer to page 7-19 for IC Block Diagrams
CN102
6P
:SMD
L108
TO QD CN1901
VIDEO
OUH
JL101 #
CV 1
GND 2
R106 R111
JL102 #
150
Y(SVIDEO) 3
:RN-CP :RN-CP
GND 4
JL103 #
C(SVIDEO) 5
GND 6
L106
Y OUH
R136
R133
150
150
:RN-CP
:RN-CP
L109
C OUH
R154
R153
150 :RN-CP
:RN-CP
C125
0.1
R291
R290
25V
1.5k 3.3k
:CHIP B:CHIP
:CHIP
C109 C108
0.1 0.1
25V 25V
B:CHIP B:CHIP
12 11 10 9 8
C239
0.1
R294
2.2k 25V
B:CHIP
:CHIP
13 IRF
0
14 VB
1.0
15 TEST
C241
0.1
16 DVDD
25V
B:CHIP
17 MOD2
0
18 DVSS
R292 CXD2064Q-T6
0
19 MOD1
:CHIP
20 VEH3
0.4
21 VEH2
R293
0.4
#
22 VEH1
0
23 PNR
0
24 DTR
25 26 27 28 29 30 31 32 33 34 35 36
C124
+5V
0.1
25V
B:CHIP
R289
0
:CHIP
VPL-PX32
A B
9V
Q107
2SC2412K
C221 V.BUFF
R113
47
22k
16V
:CHIP
:AL-CP
4.3
VIDEO
TP100
R121
C267
47 3.6 100
150 :CHIP 16V
R114 R125 :AL-CP
22k 820
:CHIP :RN-CP 1
Q109
C222
R140 2SC2412K
47
22k
16V Y.BUFF
:CHIP
:AL-CP Y
4.3
TP101
R151
47 R152
R141
:CHIP
3.6 820
22k
:RN-CP
:CHIP
Q101
C223
R208
2SC2412K
0.1
22k
C.BUFF
25V
:CHIP
B:CHIP
C
0
TP102
+9V
R234
47
150 3.6
R213 :CHIP R235
R115
22k 820 C213
3.3k
:RN-CP
:CHIP 0.1
:CHIP
F:CHIP Q121
5V
FL102 2SA1162
R226
EMI 1.2
COMB.Y.BUFF 510
C120
C115 :RN-CP
0.1 R215 R216 C119 82
EMI 0.5
R201 120 120
25V 0.1 6.3V
B:CHIP # :RN-CP :RN-CP F:CHIP :AL-CP
R225 L112
100
0 15µH
C128 :RN-CP :CHIP
0.1
25V
C214
B:CHIP
27p
CH:CHIP
R126
3.3k
Q125
:CHIP
2SA1162
7 6 5 4 3 2 1
R122
COMB.C.BUFF 1.3
510
:RN-CP
0.7
C240
0.1
25V
R231 L113
CLVS 48
B:CHIP 100 0
15µH
:CHIP :CHIP
CLPEN 47
CLVD 46
C218
PLVD 45
27p
C242
CH:CHIP
0.1
VCV 44
25V
2.3
IC221 B:CHIP
PLVS 43
D.COMB
CPO 42 +5V
2.3 R295 R296 C243
ADCK 41 56k 560 0.022
2.4 :CHIP :CHIP B:CHIP
MCKO 40
2.4
PLSL 39
CKSL 38
FIN 37
*
C244
0.001 FL101
R250
B:CHIP EMI 5V
10k
:CHIP
EMI
C127
C107
0.1
0.1
25V
F:CHIP
B:CHIP
C101
82
R287 6.3V
# :AL-CP
R288
0
R237
:CHIP
#
R256
100
:CHIP
R257 R258
100 100
:CHIP :CHIP
C D
BA (1/2) BA (1/2)
9V
Q120
R105
2SC2712
13k
+9V
COMB. V.BUFF :RN-CP
R224
100
:CHIP
COMB.OUT
Q108
L110 L111 R109
2SC2712
330 C212
47µH 22µH 4.6
COMB.V.BUFF :CHIP :CHIP :RN-CP 100
2.9
4.0 6.3V
R102 :AL-CP
15k
:CHIP
2.3
C142
10
16V
:AL-CP
R107 R108 C210 R104
1k 1k 56p 1k
:RN-CP
:CHIP C143 CH:CHIP C211 :CHIP
22p 22p
CH:CHIP CH:CHIP
1 16V B:CHIP
C
C
Q123
Q122
Y
2SA1162
2SC2712
COMB.Y.AMP
COMB.Y.AMP Y
R228
Q124
270
8.3 R101 2SC2712
:CHIP
C216 100 COMB.Y.BUFF
R118
10 22k 8.3 :CHIP
16V
:RN-CP
3.6
:AL-CP
R112
100 3.6 3.0
COMB.Y
R217 :RN-CP
100 4.2
R230 R120
R227 :RN-CP
R229
820 100
20k 3.5 C217 820
:RN-CP :CHIP
:RN-CP
:RN-CP # VIDEO
C215
56p
CH:CHIP
R233
270
8.3 Q128
:CHIP R103
2SC2712
C220 0
:CHIP
0.01 R124 8.3 COMB.C.BUFF
B:CHIP 22k
:RN-CP 4.2
R123
4.2
330
4.2 3.6
:RN-CP COMB.C
R127 R131 R132
3.5
2.2k
820 100
:RN-CP :CHIP :CHIP
C145
0.01
Q126 Q127 B:CHIP
C219 R232
2SC2712 2SA1162
56p 20k
CH:CHIP :RN-CP COMB.C.AMP COMB.C.AMP
0
4.6
0.3
R150
100
:CHIP
IC106
TC7S04F
4.8
HS.INV
R253 5V
R251 10k
:CHIP
10k
:CHIP
IC105
TC7S04F
C250
VS.INV
0.1 R252
25V 10k
:CHIP
B:CHIP
IC250
CXA1875AM
DAC
R254
100
:CHIP
SW1 VCC
0 4.8
SW0 SCL
5.0 4.8
DAC4 SDA
DAC3 SDA2
R255
100
VEH1 SDA1
:CHIP
0.3
VEH2 SDA0
0.4 5.0
VEH3 SW3
0.3 4.2
GND SW2 SW2(P2)
7-17 7-17
E
5V
FL100
EMI
+5V
EMI
C102
C103
C104
68
0.1
10V 0.01
25V
B:CHIP
:AL-CP
B:CHIP
C105 C106
10p
10
CH:CHIP 16V
:AL-CP
X100
R137 16.2MHz
1k
C112 :CHIP
38 37 36 35 34 33 32 31 30 29 28 27 26 25
0.47 R110
16V 27k
B:CHIP :RN-CP C110
0.01
B:CHIP
39 C3 YS1 24
C114
1.7 0
0.01
40 23
APC-Fil Cr out
B:CHIP
3.2 1.8
41 CVBS/Y3 Cb out 22
C116
IC101
0 1.8
42 ADD(8EH) CXA2123AQ Y OUT 21
C117 0.01 B:CHIP 4.9 MAIN 1.6
43 20
C2 APL FIL
COLOR DECODER
1.7 2.3
C121 1 16V B:CHIP
44 CVBS/Y2 Y1 19
1.8 1.4
45 COMB SYS Cb1 18
R116 0 :CHIP
2.5
46 17
SFC OUT Cr1
* 2.6
R119 3.9k :CHIP
C131
47 AFC.Fi SYNC-GND 16
2.2
3.7 0
10V R143
48 C1 YS3 15
B:CHIP
2.2M
1.7 0
:CHIP
C133 0.022 B:CHIP
C136 0.01 B:CHIP
1 2 3 4 5 6 7 8 9 10 11 12 13 14
VIDEO
C137 C138
1 0.1
25V
16V
R130
B:CHIP B:CHIP
100
:CHIP
R144
#
C141 R134
0.01 100
B:CHIP :CHIP
EMI 2SC2712
SCP.BUFF
FL106
EMI
R238
5V
C224 R182
C144
FL107 68 0.01 7.5k :CHIP
R149
EMI :CHIP
0 10V B:CHIP
:AL-CP
:CHIP
EMI
+5V
C146
C147
68
0.01 RGB SYNC.BUFF
10V
B:CHIP
:AL-CP
0
R148
100
:CHIP
0
F G
1
2
R-Y
R-Y
B-Y
B-Y
Y
Y
C118 4.7 16V :CHIP
C122 0.1 25V B:CHIP
C123
0.1
25V
B:CHIP
C126
0.1
25V
B:CHIP
3
Q103
0.8
(2/2)
47
0.4
R147
1k
:CHIP
Q111
2SC2712 5V
C148
#
1.5
R155
0.9
1k
:CHIP
R157
R156 1k
1k :CHIP
:CHIP
SYNC 4
CLP
SCP
SDA
SCL
VS
HS
BA(1/2)
(CHROMA DECODER)
B-SS1717-BA.-P1
5
H