Ga, Gb, Gc - Sony VPL-CX70 Service Manual
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Also See for VPL-CX70:
- Operating instructions manual (180 pages) ,
- Quick reference manual (88 pages) ,
- Specifications (6 pages)
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GA
L101, 102
D101
F101
CN101
TH101
AC IN
LINE
FILTER
100 - 240V
L104
50/60Hz
RECT
2
1
IC101
POWER FACTOR CONT
5
ZERO
3
MULTI
GC
IC303
DC-DC CONV.
H
CN301
17V
1
1
VIN
SW
2
17V
2
5
EN
INV
4
IC302
DC-DC CONV.
6V
5
5
VIN
VFB
3
6V
6
4
SENSE
PG
6
Q301
FAN +B PROT
5
D3.3V PROT
6
VPL-CX70/CX75
D102
CN104
1
DC (+)
6
D104
9
CN102
1
DC (+)
TO LAMP
POWER SUPPLY
3
DC (-)
Q101
Q103
DRIVE
7
I SENSE
4
VCC
8
Q102
CN103
1
VCC
VCC
2
POWER ON
POWER ON
B
CN302
1
FAN +B
2
FAN +B
IC101
12V REG.
Q303
2
VCC OUT
4
9
OFF & GO
C
5
5
D3.3V
6
D3.3V
GA, GB, GC
GA, GB, GC
GB
T201
PIT
10
IC201
Q203
MAIN SWITCHING
9
PWM
24
VD
VG (H)
23
CONT
D207
1
1
VSENSE
VS
22
8
Q204
PWM
VG (L)
20
CONT
7
2
OCP
16
4
6
VC1
15
F/B
2
5
CN201
1
2
Q201, 202
LATCH
PH201
ISOLATER
PH202
ISOLATER
5-7
5-7
D208
Q209
Q215
17V DOWN
Q208
DETECTOR
Q206
FAN +B DOWN
DETECTOR
Q210
3.3V DOWN
DETECTOR
IC204
DC-DC CONV.
Q211
5
VIN
VFB
3
6V DOWN
DETECTOR
4
SENSE
PG
6
Q214
IC203
POWER ON DELAY
1
2
7
5
Q207
Q216
INV
IC202
SHUNT REG.
H
CN205
1
17V
2
17V
9
FAN +B PROT
10
D3.3V PROT
5
6V
6
6V
C
CN204
C BOARD
9
17V
CN106
6
6V
5
6V
3
SUB 5V
2
SUB 5V
G
CN203
C BOARD
1
PCONT
CN105
3
PPROT
Q217
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