Sony VPL-HS20 Service Manual page 86

F
(POWER SUPPLY)
L503 L501 L502
CN501 CN502
F501
AC(L)
3 4 2 1
2 1
1
AC(N)
3
2 1 3 4 3 4
G
(PFC,REGULATOR)
D602
R600
CN600
MAIN RECT
1
~ L601
3 – +
RY600
3 8
~
L602
D601
CLAMP 11
Q600
13
PFC ON
RELAY
ON
D600
CLAMP
Q717
PFC ON
F, G
D604
RECT
IC600 IC731
PFC MAIN CONVERTER
7
8 3
AC SENSE
1 VSENSE
10
CATHODE
16
VG(H)
2 1
DRAIN
15
3 VS
VG(L) 12
5 L SENSE
2 F/B
9
VSS
8
VC1
9
OCP
PH700
POWER PROT
Q702
4 1
Q703
LATCH
3
2
D706
PH701
FEED BACK
4 1
3 2
PH702
POWER ON
4 1
3 2
5-4
F, G
T700
16.5V
D708
14
D722 PROT
Q712
RECT
13
SW Q711
D715
12 13V
1
SW
Q700
11
SW RECT
D719
3
13V
10
SW
Q705
13V
SW
9
D712
D707
5 8
Q720
RECT
RECT
D3.3V
6 7
SW
IC724
SUB 5V REG
D713 SUB+5V
6.4V OVP
IN OUT
D731
Q704
D3.3V OVP
POWER D724 PROT
PROT
6.4V
D721 PROT
16.5V
IC701
SHUNT REG Q707
K REF
6.4V
1 8
SW
D717
6.4V SW
A
IC725
6
COMPARATOR
8 VCC
GATE
–
2 1
+
3
+
7 5
–
6
Q709
POWER POWER ON
ON
5-4
CN601
DC+
1
DC-
2
D720 PROT
CN702
Q713
16.5V
1
16.5V 16.5V
2
SW
B BOARD
6.4V
5
6.4V
6
13V
1
13V
D716 2
D3.3V
16.5V
5
SW D3.3V
Q718
6
BOARD
D3.3V SW D3.3V
7
IC730
1 S1 D4 8 CN705
6.4V D3.3V
DD CON
2 S2 CN703
D3 7
D3.3V
1
3
5 V+ CS 6 S3 D2 6 D3.3V
2
3 7 4 G D1 5 D3.3V
SH EXT
3
D3.3V
1
6.4V OUT 4
D730
RECT
CN706
16.5V
1
6.4V
3
SUB5V
5
POWER ON
7
D718
POWER ON
TO
BALLAST
TO
CN151
D
TO C
CN307
TO
B BOARD
CN150
TO C
BOARD
CN300
VPL-HS20