Panasonic PT-60LCX64-K Service Manual page 185

IC3601 DETAIL BLOCK DIAGRAM
32 31 30 29 28 27 26 25
FILTER
L-CH BBE PROCESSOR
ON
THROUGH
OFF
AGC VOLUME
AGC
L-R PHASE LPF
L+R SHIFT AMP
AGC
OFF
AGC VOLUME
ON
THROUGH
R-CH BBE PROCESSOR
GND
1 2 3 4 5 6 7 8
AUDIO SIGNAL
24 23 22 21 20 19 18 17
TONE VOLUME
L+S
CONTROL CONTROL
LOGIC
CONTROL
TONE VOLUME
R-S
CONTROL CONTROL
VCC
9 10 11 12 13 14 15 16
IC3602 DETAIL BLOCK DIAGRAM
MAIN VIDEO SIGNAL SUB VIDEO SIGNAL
66
74
48
SW
57
5
14
67
75
50
SW
59
7
16
68
76
52
SW
61
9
18
1 VCC (+5V)
SW
31 VCC (+9V)
47 VCC (+9V)
4 GND
6 GND
13 GND
15 GND
SW
22 GND
25 GND
29 GND
34 GND
37 GND
42 GND
45 GND
SW
49 GND
56 GND
58 GND
65 GND
69 GND
72 GND
77 GND
80 GND
SW
39 BIAS
SLAVE
73 ADDRESS
SELECTION
SW
SW
70
78
54
SW
63
11
20
71
79
55
SW
64
12
21
SW
SW
SW
SW
19
10
62
53
185
VIDEO SIGNAL (MAIN&SUB) AUDIO SIGNAL
GAIN
SELECT 46
(0dB/6dB)
GAIN
SELECT 44
(0dB/6dB)
GAIN
SELECT 43
(0dB/6dB)
GAIN
SELECT
(0dB/6dB) 38
GAIN
SELECT 36
(0dB/6dB)
GAIN
SELECT 35
(0dB/6dB)
GAIN
SELECT
(0dB/6dB) 30
GAIN
SELECT 27
(0dB/6dB)
GAIN
SELECT 26
(0dB/6dB)
41
40
33
32
24
23 36
28
17
8
LOGIC 60
IC3601 DETAIL BLOCK DIAGRAM
51
3
IC3602 DETAIL BLOCK DIAGRAM
2
PT-43LCX64/PT-50LCX64/PT-60LCX64
PT-60LCX64-K