Block Diagram (6) - Sony KP 53V85 Service Manual

1 2 3 4 5 6
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
– 101 –
7 8 9 10 11 12 13
– 102 –
14 15 16 17 18 19
– 103 –
20 21 22
U BOARD : IC1702 CXA1845Q
TV 63
V1 1
V2 7
V3 13
V4 19
V5 25
V6 60
Y1 3
Y2 9
Y3 15
Y4 21
Y5 27
C1 5
C2 11
C3 17
C4 23
C5 29
• U BOARD WAVEFORMS
1
LTV 62
LV1 2
1.6Vp-p (H)
LV2 8
LV3 14
LV4 20
2
LV5 26
LV6 59
1.6Vp-p (H)
3
RTV 64
RV1 4
RV2 10
RV3 16
0.8Vp-p (H)
RV4 22
RV5 28
4 RV6 61
0.8Vp-p (H)
6dB
53 V OUT1
49 Y IN1
6dB
56 Y OUT1
0dB
55 TRAP1
0dB
51 C IN1
6dB
58
C OUT1
6dB
V OUT2
42
38 Y IN2
6dB
45 Y OUT2
0dB
44 TRAP2
0dB
40 C IN2
47 C OUT2
6dB
6dB
35 V OUT3
6dB
57 V GND
39 Vcc
6dB 37 A GND
BIAS 50 BIAS
6dB
52 L OUT1
0dB
48 GAIN
6dB
54
R OUT1
0dB
6dB
41 L OUT2
43 R OUT2
34 L OUT3
36 R OUT3
6dB
31 SCL
32
SDR
33 ADR
6 S1
6dB
Logic 12
S2
18 S3
24 S4
30 S5
6dB
46 MUTE
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