Sony VPH-G90U Service Manual page 359

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TO HV BLOCK
FAN
M
GB BOARD
VPH-G90E/G90U/G90M
PA(HV CONT,HV OUT.)
IC251(1/2)
IC251(2/2)
HV PROT
CN87
HV PROT
3
HV PROT IN
1
1
5
7
2
GND
2
IC250
RV250
+12V(IN)
3
+12V
HV PROT
HV PROT
LED
+12V(OUT)
4
VOL
RCT
SW
HV.REG
5
Q250
GND
6
IC101(1/2)
IC101(2/2)
IC102(1/2)
HV DET
HV DET
VCO LIMIT
3
1
6
7
2
1
5
Q100
HV
IC102(2/2)
+12V
RESET
VCO LIMIT
IC100
5
7
HV REG
RV101
REF
IC151
+5V
+5V
12V
REG
Q150,151
IC152
VCO
SINGLE
13
VCO
8
2
LIMIT
2
RV150
VCO
RANGE
CN93
Q10
Q11
GND
1
FAN PROT2
FAN PROT2
SENS
2
DET
SW
-B
3
-15V
CN98
+200V(HV)
1
+200V(HV)
2
+200V(HV)
3
IC500
NC
4
Q500,501
+12V
+25V
5
+12Va
REG
HVD
BUFFER
+25V
PH500
HVD ISOLATE
PA, PB
PA, PB
+12V
-12V
Q251
Q252
HV PROT
HV PROT
SW
SW
D251
IC200(1/2)
IC200(2/2)
Q200
Q202
Q204
SIK PROT
SIK PROT
3
1
5
SIK DET
SIK SW
SIK SW
Q201
Q203
SIK
IC300(1/2)
SIK DET
ABL DET
HOLD
3
1
IC301(1/2)
IC301(2/2)
ABL OUT
ABL OUT
2
1
6
7
IC300(2/2)
ABL DET
5
7
IC302(1/2)
IC302(2/2)
HV MOD OUT
HV MOD OUT
6
7
3
1
IC150
VCO
PROT
2
1
IC153
Q152
Q155
4
BUFFER
HVD SW
SHOT
IC154
Q153
Q154
+5V
RESET
HVD SW
HVD SW
L601
L602
L603
L604
Q502
Q503,504
Q600
HVD
PRE-
HV
AMP
DRIVE
CONV
Q505,506
Q601
PRE-
HV
DRIVE
CONV
Q507,508
Q602
PRE-
HV
DRIVE
CONV
9-23
9-23
M
IC1
+15V
CN86
+12V
1
+15V
GB BOARD
REG
2
GND
IC2
-15V
3
GND
-12V
4
-15V
REG
59
5
HV.MOD
ED BOARD
MA
6
GND
60
7
HV.PROT
YA BOARD(4/4)
8
IK.PROT
9
FAN.PROT2
21
10
ABL
7
BA BOARD(3/3)
PB(FBT)
FBT10
HV
CN89
1
FBTHOT1
2
FBTHOT1
FBT11
HV
3
NC
4
NC
5
ABL1
6
ABL1
7
COOL1
8
GND(HV)
PB(FBT)
FBT10
HV
CN90
1
FBTHOT2
2
FBTHOT2
FBT11
HV
3
NC
4
NC
5
ABL2
6
ABL2
7
COOL2
8
GND(HV)
TO CRT

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