Panasonic PT-60LCX64-K Service Manual page 190

PT-60LCX64-K
IC2001 / IC2002 / IC2003 / IC2004 / IC2005 / IC2006
DETAIL BLOCK DIAGRAM
36 35 34 33
VCC GND
(+15.3V)
37 GND
38
39
SCALE
CONTROL
40
41 GND
42 VCC(+15.3V)
43
44 DAC DAC
45
46
47
48
1 2 3 4
32 31 30 29 28 27 26 25
VCC GND VCC GND
(+15.3V) (+15.3V)
24
23
GND 22
21
BIAS
20
19
VCC(+15.3V) 18
DAC DAC DAC DAC VCC(+3.3V) 17
GND 16
15
SAMPLING AND HOLD 14
13
5 6 7 8 9 10 11 12
IC2008 DETAIL BLOCK DIAGRAM
1 VCC (+15.3V)
2 VCC (+5V)
3
4
5 TO 15.3V
5
LEVEL SHIFTER
5 TO 15.3V
6
LEVEL SHIFTER
5 TO 15.3V
7
LEVEL SHIFTER
5 TO 15.3V
8
LEVEL SHIFTER
5 TO 15.3V
9
LEVEL SHIFTER
5 TO 15.3V
10
LEVEL SHIFTER
5 TO 15.3V
11
LEVEL SHIFTER
12
13
14 GND
15 GND
190
VCC (+15.3V) 30
29
28
BUFFER
27
BUFFER
BUFFER 26
25
BUFFER
24
BUFFER
23
BUFFER
22
BUFFER
BUFFER 21
20
BUFFER
19
BUFFER
BUFFER 18
17
GND 16
IC2001/IC2002/IC2003/IC2004/IC2005/IC2006 DETAIL BLOCK DIAGRAM
IC2008 DETAIL BLOCK DIAGRAM
PT-43LCX64/PT-50LCX64