B (2/3), C, H (1/2) - Sony TRINITRON PVM-14L2 Service Manual

B
(2/3)
(RGB MATRIX)
Y
1/3
1/3 B-Y
1/3 R-Y
1/3 R-Y/R
Y/G
1/3
1/3 B-Y/B
YS
1/3
1/3 CLP 1.2
3/3 VIDEO MUTE
1/3,3/3 SDA
1/3,3/3 SCL
H
+12V
(1/2)
RV51
VOL
+5V
RV53
CN52 CN450
PHASE
+12V 5 VOL 5 VOL 1/3
+12V 3 PHASE 7 PHASE 3/3
RV54
2 CHROMA 8
CHROMA
CONTRAST
4 6
+12V BRT
1 9
RV52
CONT
+12V
RV55
BRT
3/3 16:9 SW
3/3 VD

B (2/3), C, H (1/2)

IC231
RGB MATRIX
BUFF
Y R OUT
3
Q263
5 SHP OUT
8 SHP IN
BUFF
2 B-Y
Q262
G OUT
BUFF
1 R-Y
Q261
10 R
G
11
B OUT
12 B
YS IN
16
R GAIN
44 R DRV
R BIAS
38 R C/O
G GAIN
32 G DRV
G BIAS
33 G C/O
V BLK
B GAIN
26 B DRV
B BIAS
27 B C/O
24 CLP1
23 CLP2
D231
MUTE
21
IC350
SUB PHASE
D/A
4 48 HUE
CONV
APER
5 SHP SET
8
SUB CHROMA
3 6 47 COL
SUB BRT
2 7 7 BRT CNT
R GAIN
PIC
12 46
13
HP
R BIAS 20
14
15 18 VP
IC351
G GAIN
D/A
4
CONV
5
G BIAS
3 6
2 7
B GAIN
12
13
B BIAS
14
15
PIC ABL
Q239
AFC UNLOCK
BRT ABL
Q235
SW
Q242
IC352
SUB CONT
D/A
2
CONV
V CENT
21 5
H BLK L
20 3
+5V
V BLK T
4
IC301 14
5 7
12 6
IC356
1
4 H BLK 10
4
2
IC357
14
IC355
12 10 IC353
V BLK
1
7
IC353 2
5
3
6
B (2/3), C, H (1/2)
IC232(1/3)
5
R BUFF
BUFF 4
41 Q250,254 Q260,246
3
Q237
9
CLAMP
Q257
IC232(2/3)
12
G BUFF
BUFF 14
Q251,253 Q259,248
36 13
Q238
11
CLAMP
Q256
BUFF B BUFF
30
Q236 Q249,252 Q258,247
CLAMP
Q255
IK BUFF
IK 25
Q240
IK MASK
Q234,241
22
IC232(3/3)
ACP R BUFF
2 R A/D AUTO CHROMA
Q245
15
+12V 1
11
ACP G BUFF
G A/D AUTO CHROMA
Q244
3/3
B/O
ACP B BUFF
B A/D AUTO CHROMA
Q243
3/3
V CENT 3/3
CLP 1/3
H BLK 3/3
AFC
3/3
8-2 8-2
14L2/14L2A MODEL
CN701
CN230
BUFF R DRIVE
2 R OUT
R OUT 2
Q703
BUFF
4 G OUT
G DRIVE
G OUT 4
Q702
BUFF
6 B OUT
10 IK
B DRIVE
B OUT 6
Q701
V BLK
VP 1
Q714
1 VP IK 10
3/3
3/3
3/3
C
(RGB OUT)
20L2/20L2A MODEL
CN701
R DRIVE
R OUT 2
Q703
G DRIVE
G OUT 4
Q702
CN321(1/2)
A
14 V BLK(W)
D233
9 AFC UNLOCK
G BOARD
6 ABL
CN1502
B DRIVE
B OUT 6
Q701
V BLK
VP 1
Q714
IK RTN 10
C
Q715
J701
KR
R OUT R BUFF
10
Q709 Q706
IK SW
Q712
Q716
V901
G OUT G BUFF KG
9 PICTURE TUBE
Q708 Q705
IK SW
Q711
Q717
(FBT)
B OUT B BUFF KB
8
Q707 Q704
V BLK
IK SW
INT OUT
Q710
Q713
RV708
3
G2
RV709
12
G4
RV707 1
H1
5
H2
6
CN704
D
H2
2
1 H1
G BOARD
CN607
CN702
1 G2
180V 2 180V
Q715
J701
KR
R OUT R BUFF
12
Q709 Q706
IK SW
Q712
Q716
V901
G OUT G BUFF KG
11 PICTURE TUBE
Q708 Q705
IK SW
Q711
Q717
(FBT)
B OUT B BUFF KB
10
Q707 Q704
V BLK
IK SW
INT OUT
Q710
Q713
RV708
1
RV709
G2
5
H1
7
H2
8
CN702
D
6 H2
H1
5
G BOARD
1 G2
(RGB OUT) CN607
180V 2 180V
PVM-14L2/20L2