Ga Block Gb Block - Sony VPL-CS2 Service Manual

POWER SUPPLY,DC-DC CONVERTER,
GA
POWER-FACTOR REGULATING CONTROL
FAN DRIVE,DC-DC CONVERTER
CN601
L601
LFT
3
AC(N) 1
AC
INLET
1
AC(L) 4
F601
D610
RECT
D607 T601
SRT
NOISE
FILTER
7
D608
1
NOISE
FILTER 6
3
5
9 2
IC603
8 4
PWM CONTROL
D
Q603
POWER
ON
T602
SRT
2 12
C D 3 11
S D621
RECT
5 10
IC604
PWM CONTROL
6 9
IC673
DC-DC CONVERTER
3 FB VSW 8
D673
RECT
1 VIN BST 2
CN676
FAN 1
1
FAN +B
2 FAN PROT
3 D672
GND2
CN675
FAN 2
1 FAN +B
2
FAN PROT
3
GND2
GA, GB
D601
RECT
2
3
IC605
Q601
POWER-FACTOR
REGULATING CONTROL
SWITCHING
3 VDET
16 IDET OUT 8
VFB 5
10 VCC VIN 6
9 VC OVP 4
Q604
ACT
12 ON/OFF
FIL
IC672
D609
+5V REG
RECT
I
G
PH601
ISOLATOR
IC602
4 1
SHUNT REG
C 3 2 1 K REF 8
S
A 7
PH602
ISOLATOR
4 1
3 2
D615,617
+6V RECT
PH603
ISOLATER
4 1 IC671
SHUNT REG Q671
3 2 1 K REF 8 INV
A 7
IC704
REG
ADJ
I O
G
Q672,673
FAN PROT
SW
7-10
GA, GB
D602
RECT
CN605
1
SUB+5V
O
2
SUB+5V
GND2 3 A
4
GND2
TO QA BOARD
CN101
CN604
GB
CN606 CN702
T-OUT12 1 1 T-OUT12
2 2
T-OUT12 T-OUT12
3 3
T-OUT11 T-OUT11
6V 4 4 6V
5 5
6V 6V
6 6
GND2 GND2
GND2 7 7 GND2
8 8
GND2 GND2
9 9
GND2 GND2
18V 10 10 18V
CN674
1
POWER CONT
2
FAN PROT
3 C
FAN CONT1
FAN CONT2 4
5 TO C BOARD
GND2
CN804
7-10
(+16.5V REG,AUDIO +B REG)
CN706
Q710 1
D728 AUDIO+B
RECT
2
AUDIO AUDIO+B
AMP
AUDIO GND 3
4
AUDIO GND
IC701
+16.5V REG 5
D715 +16.5V
RECT
+16.5V 6
I O
7
G GND2
8
GND2
CN707
+16.5V 1
2
AUDIO+B
3
GND2
GND2 4
5
+6V
6
+6V
GND2 7
8
GND2
9
GND2
D
TO C BOARD
CN801
B
TO QA BOARD
CN102
GA Block
GB Block
VPL-CS2/CX1