Panasonic PT-60LCX64-K Service Manual page 170

PT-60LCX64-K
IC5501 DETAIL BLOCK DIAGRAM
SUB VIDEO SIGNAL
1 24
H L
2 23
3 22
H
4 21
GND
L
5 SYNC VCC 20
DETECTOR
H
6 19
GND
L
7 18
SYNC
SEPARATOR
8 17
GND
9 16
LOGIC
H
10 15
GND
L
H
11 14
L
12 13
IC5502 DETAIL BLOCK DIAGRAM
1 20
2 19
LOGIC
3 18
LOGIC
V/H SYNC CLAMP
4 17
SEPARATION GENERATOR
EDGE
(+5V)
5 GND 16
SW
VCC
L
H SYNC
6 15
SHAPE H
V
TIMING
GATE
H SYNC
7 14
DETECTOR
H
V SYNC
8 13
SHAPE
L
V SYNC
9 12
DETECTOR
V SYNC
10 11
SEPARATION
IC5504 DETAIL BLOCK DIAGRAM
40 39 38 37 36 35 34 33 32
GND VCC GND VCC VCC GND
(+3.3V) (+3.3V) (+3.3V)
SYNC PROCESSING / CLOCK GENERATOR
41 GND
42 VCC (+3.3V)
8BIT A/D
43 CLAMP
CONVERTER
44 GND
45 VCC (+3.3V)
46 VCC (+3.3V)
47 GND
8BIT A/D
48
CLAMP
CONVERTER
49
50 GND
51 VCC (+3.3V)
52 VCC (+3.3V)
53 GND
8BIT A/D
54 CLAMP
CONVERTER
55
I 2 C BUS
56
CONTROL
57
REFERENCE
58
BYPASS
59 VCC (+3.3V)
60 GND
VCC VCC
GND (+3.3V) GND GND (+3.3V)
61 62 63 64 65 66 67 68 69
170
MAIN VIDEO SIGNAL
31 30 29 28 27 26 25 24 23 22 21
GND VCC VCC GND GND VCC VCC GND
(+3.3V) (+3.3V) (+3.3V) (+3.3V)
PR,PB PR,PB PR,PB PR,PB PR,PB PR,PB PR,PB PR,PB VCC VCC
DATA7 DATA6 DATA5 DATA4 DATA3 DATA2 DATA1 DATA0 (+3.3V) (+3.3V) GND
70 71 72 73 74 75 76 77 78 79 80
IC5501 DETAIL BLOCK DIAGRAM
IC5502 DETAIL BLOCK DIAGRAM
IC5504 DETAIL BLOCK DIAGRAM
PT-43LCX64/PT-50LCX64/PT-60LCX64
GND 20
B0 19
B1 18
B2 17
B3 16
B4 15
B5 14
B6 13
B7 12
(+3.3V) VCC 11
GND 10
Y DATA0 9
Y DATA1 8
Y DATA2 7
Y DATA3 6
Y DATA4 5
Y DATA5 4
Y DATA6 3
Y DATA7 2
GND 1