Q (1/2), B (1/5), T (1/2), K - Sony TRINITRON PVM-14L5 Service Manual

Q
(1/2)
(SIGNAL I/O)
LINE A IC2780
VIDEO SW
J2701
BUFF
IN 1
Q2700
VIDEO 3 7 1
J2704
OUT 5 3
2 4 5
Y BUFF
Q2710
CN2702
Y/C IN
IC2785
VIDEO SW
C BUFF
1
Q2720
CN2703
3 7
Y/C OUT
2
IC2781
VIDEO SW
LINE B
1
J2702
BUFF
IN 3 7
Q2740
VIDEO
J2707
2
OUT
J2713
BUFF
IN
Q3700,3701
G-Y
J2716 Q3702
+5V
OUT
J2714
BUFF
IN
Q3710,3711
B/B-Y
J2717 Q3712
+5V
OUT
J2715
BUFF
IN
Q3720,3721
R/R-Y
J2718 Q3722
OUT +5V
J2703
BUFF
IN
Q3730
EXT
J2710
SYNC
OUT Q3703
IC2783
LINE A
AUDIO SW
J2705
BUFF
1
IN
Q2730
AUDIO 3 7 1
J2706
OUT 3
5
2 4 5
LINE B
J2708
BUFF
IN
Q2750
AUDIO
J2709
OUT
J2711
OP AUDIO 1 BUFF
IN Q2760
J2712
OP AUDIO 2 BUFF
IN Q2770
J2719
BUFF
IN
Q3740
AUDIO
J2720
RGB
OUT
PVM-14L5/20L5/D14L5A/D20L5A

Q (1/2), B (1/5), T (1/2), K

IC2782
VIDEO SW
CN2704 CN1907
BUFF
7 1 VIDEO/Y VIDEO/Y 1
Q2780
2 4 3 CS CS 3
CN2705 CN1905
2 LINE A/S LINE A/S 2
1 LINE A/B LINE A/B 1
CN2710 CN1906
1 G/Y G/Y 1
3 B/B-Y B/B-Y 3
R/R-Y R/R-Y
5 5
7 EVT SYNC EVT SYNC 7
CN1902(1/2)
Y/G OUT B12
PB/B OUT
B14
PR/R OUT
B16
COMP SYNC OUT B22
AUDIO AUDIO
B23
IC2784
AUDIO SW
CN2707(1/2) CN1904(1/2)
7 8 AUDIO AUDIO 8
2 4
7 AUDIO OPT 1/2 AUDIO OPT 1/2 7
6 LINE/OPTION LINE/OPTION 6
5 LINE/RGB LINE/RGB 5
Q (1/2), B (1/5), T (1/2), K
T
(1/2)
CN1901(1/3) CN302(1/3)
A24 VIDEO/Y VIDEO/Y A24
A23 CS CS A23
A15 A15
LINE A/S LINE A/S
B15 LINE A/B LINE A/B B15
IC1903
2
A21 A21
15 Y/G OUT Y/G OUT
1
10
5
4 A19 A19
PB/B OUT PB/B OUT
3
9
12
14 A17 PR/R OUT PR/R OUT A17
13
11
IC1902
1
7 A11 COMP SYNC OUT COMP SYNC OUT A11
3
2
AUDIO SEL A8
AUDIO OPT 1/2 A9
LINE/OPTION A14
LINE /RGB B14
IC1901
CN1903 CN3501
1
7 1 AUDIO
3
2
CN3503
CN1901(2/3)
C
AUDIO VOL
A8 AUDIO SEL
G BOARD
A9 AUDIO OPT 1/2
CN508
AUDIO MUTE 3
A14 LINE/OPTION
B14 LINE/RGB
8-3 8-3
B
(1/5)
CN301
A
1 VIDEO/Y
B1 BOARD
CN801
3 CS
CN107
21
LINE A/S
40 LINE A/B
Y/G OUT 2/5
PB/B OUT 2/5
B
M BOARD
CN1102
PR/R OUT 2/5
COMP SYNC OUT 2/5
46 AUDIO SEL
47 AUDIO OPT 1/2
42 LINE/OPTION
41 LINE /RGB
IC3501
SP AMP
SW
+15V 9 VCC
Q3502
CN3502
AUDIO 1 1 IN OUT 8 1 SP
2 4
VOL
MUTE
K
Q3501
(SP AMP)