Sony VPH-G90U Service Manual page 356

ED(H.OUT DRIVE)
M
CN754
5
REF 1
MD BOARD
GND 2
F-V 3
GND 4
59
HV.MOD 5
PA BOARD
GND 6
61
H.OSC 7
DA BOARD
GND 8
12VHD 9
GND 10
H.STOP 11
CN775
GB BOARD +115V 1
2
MA
+50V 3 +50V
+15V 4 +15V
62
H.SHOP 5
YA BOARD(4/4)
S.STOP 6
GND 7
GND 8
-15V 9 -15V
-50V 10 -50V
CN756
44
KEY/PIN 1
DD BOARD(2/2)
GND 2
H.SIZE 3
H.CENT(R) 4
H.CENT(G) 5
H.CENT(B) 6
H.LIN.SW 7
+15V
-15V
E, EA, ED
CN753
+24V
IC1014(1/2) IC1014(2/2) +12V
H SIZE CORRECTION
3 1 6 7
-12V
-24V
Q1009,1012
H DRIVE
REG
Q1011
VARIABLE
REG
CN752
Q1007,
1010 Q1013
H DRIVE
H DRIVE
OUT
Q1014
1B
DETECT
CN758
3
1
6 7
2
IC1010(2/2)
IC1010(1/2)
H CENT R CONT
H CENT R CONT
3
1
6 7
2
IC1011(2/2)
IC1011(1/2)
H CENT G CONT
H CENT G CONT
3 CN759
1
6 7
2 +12V
+15V
IC1013(2/2)
IC1013(1/2)
H CENT B CONT
H CENT B CONT
IC1001 Q1002
+12V +24V
+12V +50V +24V
REG REG
IC1002 Q1003
-12V -24V
-12V -50V -24V
REG REG
M
6
MD BOARD
9-20
E, EA, ED
EA(MAIN H DEFRECTION(1))
CN750
1 (+)24V 1 +24V
2 (+)12V 2 +12V
3 GND 3
4 SIZE.COR 4
5 -12V 5 -12V
IC2
IC1(1/2) IC1(2/2)
6 -24V 6 -24V
6 7 2 1
7 HV.MOD 7 4 PIN MOD 14
8 F-V 8 9
9 KEY/PIN 9
10 H.SIZE 10
IC8(2/2)
11 REF 11
6 7
12 H.OSC 12
13 H.POW.FB 13
14 SIZE.DET.CONT 14
15 PIN.MOD 15
IC7(1/2) IC7(2/2) IC5(1/2) IC8(1/2) IC5(2/2)
2 1 6 7 2 1 2 1 5 7
IC6(1/2) Q3
F-V F-V
4 7
CONVERTER SW
Q11,19
H OSC
BUFFER
CN751
1 DRIVE.CONT 1
2 NC 2
3 PIN.MOD.FB 3
4 DRIVE.CONT.PULSE 4
5 H.DRIVE 5
6 GND 6
7 HOT.PULSE 7
8 GND 8
9 1B2.DET 9
10 GND 10
11 H.SIZE.FB.P 11
12 GND 12
Q4,6 Q7
13 H.STOP 13
HD
14 12VHD 14 HD SW
BUFFER
Q10,14 Q5
15 PIN.MOD.PROT 15
PIN MOD
H STOP
PROT
E(MAIN H DEFRECTION(1))
CN114
A1 H.C(R)RET1 A1
B1 H.C(R)RET2 B1
A2 H.C(R)OUT A2
B2 H.C(G)RET1 B2
A3 H.C(G)RET2 A3
B3 H.C(G)OUT B3
A4 H.C(B)RET1 A4
B4 H.C(B)RET2 B4
A5 H.C(B)OUT A5
B5 NC B5
Q15,16
CN113
A1 +12V A1 +12V
B1 +15V B1 +15V
A2 H.LIN.SW A2
B2 PIN.MOD.PROT B2
A3 NC A3
B3 NC B3
A4 HDT.DRV.F A4
B4 HDT.DRV.F B4
A5 NC A5 T1
B5 NC B5
A6 HDT.DRV.R A6
B6 HDT.DRV.R B6
A7 H.STOP A7
B7 H.STOP B7
A8 SIZE.DET.CONT A8
Q20
B8 PIN.MOD.FB B8
PIN MOD
N.POW.FB +15V
A9 A9
Q19 DISCHARGE
B9 GND B9
SPEED
A10 PIN.MODE A10
UP
B10 GND B10
A11 H.SIZE.FB.P A11
B11 GND B11
A12 HOT.PULSE A12
B12 GND B12
Q17,18
7
3 6 H PIN
MOD OUT
IC3 4
CN121
N.POW 1
N.POW 2
N.POW 3
9-20
Q1,2
IC3(1/2)
BUFFER
IC4(2/2)
6 7
Q8
RV2
DISCHARGE
IC4(1/2)
3 1
IC12(1/2) IC4(2/2)
H OSC H OSC
Q9,22
2 1 5
7
POW SUP
6
DRIVE
Q15,16 Q12,17 Q18
1B2 1B H PULSE
CONST CONST DETECT
IC9(1/2)
H SIZE PROT
2
1
3
IC6(2/2)
F-V IC9(2/2)
11 13 +12V
CONVERTER H SIZE PROT
5
7
6
CN118
1 H DY(R)
2 H DY(R)
3
4
Q2,5
5 H DY(R)
LV1
H CENTER
6 H DY(R)
R OUT
CN119
1 H DY(G)
2 H DY(G)
3
4
Q6,8
5 H DY(G)
LV2
H CENTER
6 H DY(G)
G OUT
CN120
1 H DY(B)
2 H DY(B)
3
4
5 H DY(B)
LV3
H CENTER
6 H DY(B)
B OUT
Q24
RY1
H LIN
SW
CN116
Q22,23 T2
1 +VPM
H OUT 2 VPM
3 -VPM
4 NC
5 GND
6 GND
7 +CENT
8 +CENT
9 GND
10 -CENT
11 -CENT
DY ASS'Y
R
DY ASS'Y
G
DY ASS'Y
B
M
56
PE BOARD
VPH-G90E/G90U/G90M