Panasonic PT-60LCX64-K Service Manual page 198

PT-60LCX64-K
IC2001 / IC2002 / IC2003 DETAIL BLOCK DIAGRAM
100 99 98 97 96
CONTROL LOGIC & DAC LATCH (SAMPLING HOLD)
1 VCC(+3.3V)
2 GND
3
SERIAL
4
INTERFACE
5
6 BYPASS
7 TEST
8 GND
9 GND
10
SCALE
11
CONTROL
12
13 SHUTDOWN SW D/A CONVERTER
14 D/A CONVERTER
15 VCC(+3.3V)
16
17
18
19
20
21
22
L.S
23
L.S
24
L.S
25
L.S
L.S
26 27 28 29 30
NOTE: L.S = LEVEL SHIFTER
95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80
SCALE
CONTROL
D/A CONVERTER
D/A CONVERTER
D/A CONVERTER
D/A CONVERTER
D/A CONVERTER
D/A CONVERTER
D/A CONVERTER
D/A CONVERTER
D/A CONVERTER
D/A CONVERTER
D/A CONVERTER
D/A CONVERTER
LOGIC
L.S L.S L.S L.S L.S L.S
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
79 78 77 76
V2 V1
GND 75
SHUTDOWN SW 74
(+15.5V)VCC 73
SHUTDOWN SW 72
GND 71
SHUTDOWN SW 70
(+15.5V)VCC 69
SHUTDOWN SW 68
GND 67
SHUTDOWN SW 66
(+15.5V)VCC 65
SHUTDOWN SW 64
GND 63
SHUTDOWN SW 62
(+15.5V)VCC 61
SHUTDOWN SW 60
GND 59
SHUTDOWN SW 58
57
(+15.5V)VCC
56
SHUTDOWN SW
55
GND
54
SHUTDOWN SW
53
(+15.5V)VCC
52
SHUTDOWN SW
51
GND
47 48 49 50
198
IC2001/IC2002/IC2003 DETAIL BLOCK DIAGRAM
PT-60LCX64