Ga, Gb - Sony VPL-CX85 Service Manual

GA
D103
L101-103
AC IN (L) 1
LINE
AC IN
FILTER
L104
AC IN(N) 3
Q103
RELAY
DRIVE
RY101
D101
D114
5
VPL-CX85
D108 CN105
1 DC (+) DC (+)
L105
D111
PFCT
CN103
6 9
1 DC (+) TO
BALLAST
3 DC (-)
4 2
IC102
PFC CONTROL
ZERO 5
F/B 1
3 MULTI Q101
DRIVE 7
PFC
SW
ISENSE 4
Q105
BALLAST
VCC 8
SW
Q104 CN104
1 VCC VCC
2 POWER ON POWER ON
T101
1
IC101 CN102
SWITCHING
3
ECO ON
CONTROL
D109
2
9
7
2 ECO SUB 3.3V
DRAIN
8
7
STARTUP D107
5
VCC 2
F
4
C BOARD
CN202
VFB/OLP 4
PH101
ISOLATER
IC103
SHUNT
REG

GA, GB

GA, GB
GB
CN201
T201
1
PIT
IC201
MAIN SWITCHING
Q203
PWM
24 VD VGH 23
CONT
1 VSENSE
1
VS 22
Q204
PWM
VGL 20
CONT
3
OCP 16
5
VC1 15
F/B 2
6
Q201,202
LATCH
CN202
1
2
PH202
ISOLATOR
IC202
SHUNT REG
PH201
ISOLATOR
Q207
5-7 5-7
14
D208
Q209
13
Q213
+17V
D209 DOWN DET
Q210
12
Q206
FAN+B
DOWN DET
11
Q205
-6V
10 DOWN DET
Q214,216
9
D210
Q212
+6V
D207
8
DOWN DET
Q208
Q301
7 D3.3V
DD CONV
D211
IC301 6
Q211
5 D3.3V 3
D3.3V
CONT
DOWN DET
Q302
SUB5V
DD CONV
IC302 6
5 3
SUB5V
CONT
1 2 7 5
IC203
POWER ON DELAY
IC401 1
2 4
FAN REG
IC406
5
1
IC402 1
2 4
FAN REG
IC406
5
7
IC403 1
2 4
FAN REG
IC409
5
1
IC408 1
2 4
FAN REG
IC409
5
7
IC404 1
2 4
FAN REG
IC407
5
1
IC405
1
2 4
FAN REG
Q403 IC407
5
7
CN203
D
22 17V
C BOARD
CN201
6 +13V
7 +13V
2 -6V
14 6V
15 6V
18 D3.3V
19 D3.3V
Q215,217
POWER
P PROT
3
PROTECTOR
10 SUB5V
SUB5V
11
P CONT
1
FAN A
CN402(1/2)
1 FAN A
FAN A PROT
2
3
FAN B
4 FAN B
FAN B PROT
5
5
FAN C
CN403
1 FAN C
2 FAN C PROT
3
FAN D
4 FAN D
5 FAN D PROT
5
FAN E
CN402(2/2)
7 FAN E
8 FAN E PROT
3 Q401,402
CN401
FAN
2 FANPROT
PROTECTOR
3 FANCONT1
4 FANCONT2
5
5 FANCONT3
E
C BOARD
CN200