F, Ga, Gb And Gba Board Block Diagram - Sony VPL-S900U Service Manual

7-6. F, GA, GB and GBA BOARD BLOCK DIAGRAM

GA
CN8002
(POWER-FACTOR REGULATING CONTROL)
DC
GND1
L8005
CN8001 D8001
LFT
D8002
5 AC(N) 4 3 RECT
RECT
1 AC(L) 1
2 Q8001,
Q8002
CN8003
SWITCTING
DC
GND1
CN8004
Vcc
Vcc 10
3 V DET VC 9
AF ON
Q8003 GND1
16 I DET
GND1
ON/OFF 12 INV.
8 OUT
OVP 4
3 GND VIN 6
VFB 5
IC8001
POWER-FACTOR
REGULATING CONTROL
F
(AC IN)
L9001 CN9002
CN9001
LFT
AC(N) AC(N)
1 1 2 5
AC
INLET
4 AC(L) 4 3 AC(L) 1
AC IN
100–120V
220–240V
50/60Hz
F, GA, GB, GBA
BALLAST
LAMP
1 1 DC
SCI
TO
K
C BOARD
3 3 3
GND1 FLAG
CN5006
GB
T7001
(SET POWER SUPPLY)
CN7001
1 1
DC
5
3 3 GND1 IC7006 PWM
D7004
C D 7
S
D7005
CN7002
1 1 Vcc
9
D7003
2 2 AF ON
RECT
8
GND1
3 3
4 4 GND1
SWITCHING INTERFACE
4
3
T7002
IC7012
+12V REG
O I
IC7003
PWM CONTROLLER Q7010
7
COMP 1 SW
Q7013
7 Vcc
D7010
OUT 6 SWITCHING 6
CS 3
5 GND
Q7018
FB 2
SWITCHING
PH7002
FB DET
4 1
IC7005
2
3
SHUNT REGULATOR
1 K
2 A REF 8
3 A
6 A
7 A
7-6
F, GA, GB, GBA
SRT IC7002
D7007 +5V REG
RECT
2
I O
3
PH7001
1
Q7007
2
FAN PROT
PH7003
FAN PROT SW
4 1
SRT
D7009,7025 IC7014
3 2
RECT +12V REG
10 I O
11
D7015,7026 IC7013
RECT +12V REG
12 I O
13
D7011,7027
+16V RECT
14
15
D7012,7028
+6V RECT
17
16
D7013
-6V RECT
3
IC7010
2
D+5V REG
Q7015
D+5V REG
V+ 5
CS 6 1
1 OUT
EXT 7 4
5
D7022
D+5V
IC7007 REG
D+3.3V REG Q7004
D+3.3V REG
V+ 5
CS 6 1
1 OUT
EXT 7 4
5
D7021
D+3.3V
REG
7-6
GBA
(REGLATOR,FAN PROTECT)
CN7003 CN7101
26 26
SUB +5V SUB +5V
SUB+5V
25 25
SUB +5V SUB +5V
22 22
POWER CONT POWER CONT
21 21
FAN PROT FAN PROT
20 20
FAN CONT
SW
18 18
FAN+B FAN+B
17 17
FAN PROT FAN PROT
16 16
FAN GND FAN GND
D7020
15 15
FAN+B FAN+B
14 14
FAN PROT FAN PROT
13 13
FAN GND FAN GND
Q7101-7103
19 19 FAN PROT
FAN PROT FAN PROT
DRIVE
12 12
AUDIO+B AUDIO+B
AUDIO+B
11 11
AUDIO+B AUDIO+B
+16V 8 8 +16V
+16V
+16V 7 7 +16V
4 4
A+6V A+6V
A+6V
A+6V 3 3 A+6V
CN7004 CN7102
26 26
D+5V D+5V
25 25
D+5V D+5V
IC7101
+12V REG
23 23
+16V +16V
I O
22 22
+16V +16V
IC7103
+5V REG
19 19
A+16V A+16V
I
18 18
A+16V A+16V IC7104
-5V REG
15 15
-6V -6V
I O
14 14
-6V -6V
13 13
D+5V D+5V
D+5V
12 12
D+5V D+5V
11
D+5V 11 D+5V
D+3.3V 7 7 D+3.3V
D+3.3V
D+3.3V 6 6 D+3.3V
D+3.3V 5 5 D+3.3V
4 4
D+3.3V D+3.3V
CN7103
POWER CONT
5
TO
FAN PROT
6 J
C BOARD
FAN CONT 7
CN5003
CN7104
FAN+B 1
FAN PROT 2
FAN 2
FAN GND 3
CN7105
FAN+B 1
FAN PROT 2
FAN 1
FAN GND 3
CN7110
FAN+B 1
FAN PROT 2
FAN 3
FAN GND 3
D+5V
IC7102
+9V REG
+9V
I O
O +5V
-5V
VPL-S900E, VPL-S900M, VPL-S900U