Panasonic TC-42P1 Service Manual page 75

DS Board Block
IC8000
VCA
COMPOSITE / Y A-7 Q8003
1
2
SUB-CONTRAST B-21
VCA: Voltage Controlled AMP.
CHROMINANCE A-9 Q8000
RGB/COMPONENT
B / U A-15
G / Y
A-17
R / V
A-19
BLK Pulse B-20
HPR B-18
Q8033 / Q8034
VPR B-19
IIC2
SCL2 B-16
SDA2 B-17
IIC1 SCL1 B-13
SDA1 B-14
IC8002 VPC
38
Y 7
Q8001 62
3
A/D
Y 2 43
1
COMB 46
0
FILTER
61
47
COLOUR
DECODER
20
7
C
C 2
63
25
1
28
SYNC. 0
18
29
PROCESS
19
16 14 12
VS
IIC1
Q8008
Q8009 / Q8010 / Q8011
Q8007
IC8008
H-LOCK
4 3
PLL
Q803
1
525P 7
Q8018 / Q8019
IC8009
14
6
1 7
4 16
5
1
12
8
9
1
SYNC.SW
2 18
1 3
1 19
Q8015
IC8001
CLOCK BUFFER
13.5 MHz
13 12
11 10
27 MHz
18
9
3
4
- 75 -
IC8004 CIP IC8013 AMDP
28 9 81
9
Y
10
10
21 8
JUST
CONTROL I/P CONVERTER
31 10 90
10
U/V
11
21 11 9
32 15
A/D
60 16
525I
52 625I
18
525P ROM DATA BUS
69
4 7
77
IIC1
9
8
35
MHS OUT
MVS OUT
34
6 WV IN
5 WH IN 16M SDRAM
FIELD MEMORY
IC8017
86 90
IC8006
IIC2
5
Q8015
NONE STANDARD
V-PULSE
CONTROL
2
IIC2
IC8011 IC8007 DFU
9 9 9 62
DATA
9
Y BUFFER LTI
9 CTI
9 2 2 5
IC8011
9 9 51
9
DATA
9
U/V BUFFER
9
9 2 2 4
5 D/A
115
IC8015
4
20MHz
CLOCK
OSC.
7
75
PANASONIC
AUTO
DETECTION
82
65
72
18
1 8 25
28
4M FLASH MEMORY
AMDP CONTROL DATA
45
4 17
IC8014
7
52 4
12 6
8
5
6
14
5
4 4 10 1 12 5
6
IC8010
SYNC. IIC1
CONTROL
IIC2
U DS Pb OUT
Q8030 A-30
1
Y DS Y OUT
1 Q8028 A-32
V DS Pr OUT
Q8029
1 A-34
HD
HS OUT
Q8025 A-24
9
VD
VS OUT
A-27
92
Q8026
CLP
CLP OUT
A-04
9 Q8022