Ba (1/3) - Sony VPH-G90U Service Manual

BA(1/3)
TB1
CN347
OPEN 1
R TERM 2
(75)
75 3
CN348
OPEN 1
G TERM 2
75 3
CN349
OPEN 1
B TERM 2
(75)
75 3
CN350
IK 1
V TERM 2
75 3
MA
CN341
74 BC BOARD RED A25
RED B25
RED C25
GREEN A27
GREEN B27
GREEN C27
BLUE A29
BLUE B29
Q9,10
BLUE C29
RELAY
DRIVE
75 YA BOARD(2/4) TEST IRE A6
76 DF BOARD VD C6
77 DA BOARD HD B6
M

BA (1/3)

IC202
IC1
VIDEO R 2
4 6
6 4 EN 8
2 EN 8 1
IC200 Q201
1
3 7 BUF V2
8
IC207
S&F
IC2
(3/3)
VIDEO G 2
4 6
6 4 EN 8
2 EN 8 1
1
IC206 Q203
3 7 BUF Y2
8
IC213
IC3
VIDEO B 2
4 6
6 4 EN 8
2 EN 8 1
1
IC212 Q205
3 7 BUF C2
8
(3/3)RGB
C&F
(3/3)
3 3 3
6 6 6
IC219 IC218
IC220
1 2 6 Q207
IC220
3 1
4
1 BUF
5 7
7 RV200
5
TEST SIG
LEV
4
IC221
1 2
Q14 Q8 IC11 Q24,25
IC13
SYNC SIG
CLAMP BUF 2 1
SEP OUT
3 1
Q12,13
Q2 Q1,3 IC12 SIG
IC4
OUT
H/C
BUF 5
DET
5 7
3
6
Q11,20
(75)
RELAY
1K
DRIVE
(1K) S1
75 H TERM
(75)
Q5 Q4,6 IC12
IC4
V
BUF 7
DET
3 1
2
1
Q21-23
POWER
9V 9V(INA)
SW
INPUT A
Q16,18,19
(3/3)
POWER
5V 5V(INA)
SW
9-2
BA (1/3)
Q200
A.TEST(3/3)
IC203
IC205
1
Q208,209 Q202 IC204
IC402
2
Q451
6 MUTE CLAMP 1
R
5 16 14 BUF
4 MOD
EN 8 8
GAM R 19 CTRL
(3/3)
6
IC208
IC211 IC201
1
Q210,211 Q204 IC210
2 3
Q501
6 MUTE CLAMP 1
G
4 5 21 9 BUF
MOD
EN 8 8
GAM G 24 CTRL
(3/3)
IC214 6
IC216
1
IC209
Q212,213 Q206 IC217
2
3 Q551
6 MUTE CLAMP 1
B
4 5 26 4 BUF
MOD
EN 8 8
GAM B 29 CTRL
(3/3)
6
IC215
3 30 CLAMP
IC401
2 4
RV502 RV503
R DRV G DRV
IC606 IC607
4 4
CLAMP.P(2/3)
1 1
H-SYNC(R)2
(3/3)
Q601
IC603
HS1(3/3)
R
2 R BIAS
CUT
LEVEL
OFF
IC600
1
IC603
R
MIX 3 BKG
7 6
CONT
Q600
IC604
G
2
G BIAS
CUT
LEVEL
OFF
IC601
1
IC604
PAL-DVD
G
(3/3)
MIX 4 BKG
7 6
CONT
VS1(3/3)
Q602
IC605
B
2
B BIAS
CUT
LEVEL
OFF
IC602
1
IC605
B
MIX 4 BKG
7 6
CONT
(3/3)ON/OFF B
(3/3)ON/OFF G
(3/3)ON/OFF R
(3/3)IN/OUT
9-2
RV501
SYNC CUT
IC503
REF
4
VOLT
Q455-458
IC404
IC452
5 CONTRAST DRIVE
23 AMP A16
ATT ATT
1
3 6
B16
C16
28
Q505-508
IC502
8
CONTRAST DRIVE
20 AMP A18
ATT ATT
2
3 6
B18
C18
27
Q555-558
IC552
11
CONTRAST DRIVE
18 AMP A20
3 ATT ATT
3 6
B20
C20
26
15 CLP
VOSD 4
IC403
13 14
ECL TO TTL
4
3 A10
4
1 2 B10
CONTR
(3/3)
11 A9
12
10 B9
RV504
15 A8
B DRV
13
14 A8
IC608
7 A7
4
5
6 B7
1
C4
B4
A4
IC609
DAC AND SW
12 DRV(B) CONT 24 PIC(3/3)
11 DRV(G)
10 DRV(R)
IC614
IC610
8 13 BRT PR 7
4 3
SDI 20 3 2 A14
3 BIAS(R) CLK 17 6 BUF 5 A13
2 BIAS(G) LD 16 8 9 B14
1 BIAS(B) SDO 18
IC611
DAC AND SW
8 3 BIAS(R) SDI 20
2 BIAS(G) LD 16 5V
IC613
1 BIAS(B) CLK 17
PR 7 RESET B13
LIMIT-R 10 A22
LIMIT-G 11 B22
8 LIMIT-B 12 C22
IC2109
4 1
A28
C24
B24
A24
C29
MA
CN341
SIG RED J1 RED
SIG RED
SIG RED
SIG GREEN J2 GREEN
SIG GREEN
SIG GREEN
SIG BLUE J3 BLUE
SIG BLUE
SIG BLUE
83
OSD-V
YA BOARD(2/4)
OSD-V
OSD-B
OSD-B
OSD-G
OSD-G
OSD-R
OSD-R
M
43
B.MOD
DD BOARD(2/2)
G.MOD
R.MOD
1
D-SDAO
YA BOARD(3/4)
D-SCL
D-LDO
D-RESET
M
CN340
70
LIMIT-R
CAB/CAG/CAR BOARD
LIMIT-G
LIMIT-B
67
CLAMP.P
CAB/CAG/CAR BOARD
70
BKG-B
CAB/CAG/CAR BOARD
BKG-G
BKG-R
73
IN/OUT
YA BOARD(1/4)
VPH-G90E/G90U/G90M