Sony VPH-G90U Service Manual page 472

PA (1/2) BOARD
1
TP1
-12V
TP2
+12V
ABL2
ABL1
2
+12V
CN87
6P
WHT
:S-MICRO
HV PROT IN 1
GND 2
+12V(IN) 3
3
+12V(OUT) 4
HV.REG 5
GND 6
TO M BOARD(2/2)
CN531
4
+12V.C
HVDRV
GND.C
CN93
3P
WHT
:S-MICRO
GND 1
5
SENS 2
-B 3
TO FAN
C10
1000
25V
A B
D3
1SS119
D1 PROT.
1SS119
PROT.
IC2
LM7912CT
-12V REG.
IC1
D2
LM7812CT
V06C
14.4 -15.2
+12V REG.
+12V HOLD
O I O I
12.1 G -12 G
L1
C1 C2 47µH C3 C4
100 2200 100 100
16V 25V 16V 25V
R204 R205
R212
10k 100k
Q200 82k
R200 R202 :RN R207
Q201 R209
100k 2SC2785TP 100k
100k D200 2SC2785TP 10k Q203 Q204
:RN SIK DET. :RN
:RN 1SS119 SIK DET. 2SC2785TP 2SC2785TP
D201
SIK HOLD SIK SW.
1SS119
0.6 0.6
0.6
(0.5) 0 (0.5) 0
(0.5)
R214
R210
100k
R201 R206 47k
R203
82k 22k 82k R208
22k
:RN C200 :RN C201 0
10 10
R211 Q202
R213
39k 2SC2785TP
100k
SIK SW.
R250 R255
1k 1k D252
R256 R258 1SS119
IC251(1/2)
10k 10k HV.PROT HOLD
LM393P
R253
8.2
10k 8 HV.PROT.
0
3 0
0
1 5
2 7
D251
R251
6
MVR3368S
6.8k 9.2
4 1SS119
3 HVP ACTIVE
:RN R257
6
2.4 100k
IC251(2/2)
10.8
R254 LM393P
1
100k HV.PROT.
RV250
1k
R259 0.7
HV PROT VOL 2
0 (0.3)
S 10k
D250 Q250 C251 C252
RD13ESB2
2SK1482 47 10
C250 R252 IC250
PROT. LED SW
HV PROT SW.
0.22 2.7k TL431CLP-Z
:MPS :RN HV PROT REF
IC151 D152
µPC78L05J 1SS119
+5V REG. PROT.
+12V
I O
G
9.2 5
D151
1SS119 R154
82
+5V HOLD
2W
:RS
R151
22k
R150 D150
10k 1SS119
R153
VCO PROT.SW.
1.8 8 4.7k
2
1
3 0 C151 C152
0.8 4 100 100
IC150 16V 16V
LM393P
VCO PROT.
R152
1.8k
C150
47
16V
+15V.FAN
0
R11
FAN.PROT2
10k
R13
100
12.5
(12.4)
GND.FAN
Q11
R10 R12 DTC144ESA
220k 10k FAN PROT2 SW.
-11.2 12.5
(12.4)
C11
Q10
220 DTC144ESA
25V FAN PROT2 DET.
-15V.FAN
R14
33
3W
:RS
C
PA (1/2) PA (1/2)
+15V
-15V
L2 TP3
47µH
GND
+12V
IC300(1/2)
TL082CP
R215 R217 IC200(1/2)
R218 IC200(2/2) ABL DET.
68k 4.7k LM393P
4.7k LM393P R219
-0.8(-5)
SIK PROT 100
R216 SIK PROT C300 3
47
0 22k 0 8
3 0 16V 2
1 5
2 7 C205
6 0.01
4
4.9
R300 -1
(4.8)
1k (-5)
C301
C202 C203 D202 C204 D300
4.7 4.7 RD5.1ES 10 47 RD11ESB2
SIK REF. 16V PROT.
R262
100
C100 HV REG VOL
Q252 0 100
R260 DTC144ESA
4.7k HV PROT SW.
R261
R104
10k
12k
R103 R106
R102 12k :RN
30k
1k :RN
:RN
9.9
C253
D253 0.01 7.9 2.3
R101
1
1k
0
R105
R107
R100
27k
10k
10k
:RN :RN
Q251 D100 Q100 D101 C101
DTC144ESA 1SS119 2SC2785TP RD13ESB2 100
IC100
PROT. HV RESET PROT.
-12V TL431CLP-Z
HV REG REF
TP150
+5V
+5V
TP151
VCO IN
2.2
R155
1.8 (2.1)
6.8k
:RN
14 13 12 11 10 9 8
VCC FREQ NC NC NC VCC Z
CONT OUT
IC152
2.8 1.8 SN74LS624N
VCO
2.2
Y
C154
GND RANGE CX1 CX2 ENABLE OUT GND
Q150 0.01
2SA1175TP
1 2 3 4 5 6 7
VCO LIMIT.
Q151
RV150
2SA1175TP 2.2
R156 10k
VCO LIMIT. 2.2
6.8k
:RN 4.7
C155
3300p
B
C153
0.22
VCO RANGE R157 :MPS
33k
:RN
10-110 10-110
D E
+15V.FAN
-15V.FAN
FAN.PROT2
GND.FAN
IC302(1/2)
R304
R308
R301 IC300(2/2) 10k µPC4558C
10k
22k :RN
:RN HV.MOD.OUT
TL082CP
:RN
ABL DET. R309
R303 47k
8 R306 C302
-0.8(-5)
22k R310
5 0 8 10k 0 10
:RN 1k
:RN 16V
1 7 2
6 1 6 6
3 7
0.8
4 5 0 5
(4.5)
0 4
-0.7
0
R307 0 (-4.6)
R302 -0.9
4.7k
1k (-5) ABL TP300
:RN
R305
D301
4.7k IC301(1/2) IC301(2/2) R311 R312
RD11ESB2
:RN TL082CP TL082CP 22k 1k
PROT.
ABL OUT ABL OUT
-12V
D103
+12V
1SS119
+12V HOLD C109
R116
0.22
R108 :MPS 68k
330 HVREG-IN C106
1000
16V
C104 TP103 R115
0.0022 1M
9.9 R109 :PT
100 C108
0.001 C110
3
R118
R111 :PT 220p
R112
1k 8 1k
1k
3 R117
1 6 1k 0
8 2 7 2
7.9
R110 5
C105
2
47k 0.001 4 -2 3
C102 :PT
7.9 IC101(2/2)
10 8 0
R114 TL082CP
15k HV.DET.
D102 C103 R119
D104
RD13ESB2 0.0022 IC101(1/2) 470
1SS119 C107
PROT. :PT TL082CP
-12V HOLD 1000
HV.DET.
16V
R158
39k
:RN
R160
C157
1k
680p
C156
B
0.01
1.3
1
2.3
16 15 14 13 12 11 10 9
VCC 1R/C 1C 1Q 2Q 2CLR 2B 2A Q152
2SA1175TP
IC153
SN74LS123N 1.7 R161
SINGLE-SHOT 2.3
VCC OUT
R159 C158
1A 1B 1CLR 1Q 2Q 2C 2R/C GND GND
10k 5 2.3 0.0022
:PT
1 2 3 4 5 6 7 8
IC154
PST574C-T
1.7 RESET
2.2
(2.1)
Q153
2SC2785TP
HVD.SW.
(HV CONT)
F
CN86
10P
WHT
TO M BOARD(2/2)
CN531
R313
33k
R316
R314 R315
100
8
1k 1k
7 3
1
0
0 2
0
C303 0 4
100p
IC302(2/2)
µPC4558C
HV.MOD.OUT
VCO LIMIT.VOL
R120
IC102(2/2)
68k
TL082CP D105
:RN
1.7 VCO LIMIT. 1SS119
LIMIT.SW.
5
7
6
RV101
-10
10k
1.8
R121
C111
8.2k R122
0.22
8 :RN 10k
:MPS
1
2 R123
4.7k
4
IC102(1/2)
TL082CP
VCO LIMIT.
R167
1k
HVDRV
TP152
C160
680p
B
R165
R163 10k
47k 47k
2.3
C159 5.7
0.0022 (5.5)
:PT
0 0 0.1
R166
4.7k
R162 Q154 R164 Q155
100k 2SC2785TP 100k 2SC2785TP
HVD.SW. HVD.SW
PA (1/2)
B-%SX1640<AEP>-PA-1
VPH-G90J/G90E/G90U/G90M
G H