Panasonic TC-42P1 Service Manual page 68

HG Board Block
C
S-VIDEO IN Q8582
Y
Q8581
VIDEO IN
#1
To IC8521
VIDEO OUT
IC8503
COMPONENT/RGB IN YPbPr/RGB - PC SW
Pb/B 16
11
Y/G
8
Pr/R
1
14
9
2
EXT. IN
HD
VD
H5 5 3 1
H35 5 3 1
PC IN
3
B
G 2
R
1
HS 1 7 7
VS 8 8
1
H2
TUNER IN
B
5
G
3
R
1
DS PACK
A-9
A-7 INTERLACE / PROGRESSIVE
CONVERTER
B-21 A-15 A-17 A-19 A-24 A-27
DS HS DS VS DS CLP
SUB-CONT.
From
#2 To IC8518
IC8506 PIN3
IC8502
EXT. - TUNER SW
Pb/B
1
Q8502
3 3
Y/G
14
Pr/R
9
Q8501
5 5
B
16
G
11
Q8503
6 6
R
8
7 12 2 7 12 Q8523/Q852
Q8525/Q852
SW1 SW2
Q8524/Q852
IC8506 IC8506
IC8521
7
#1
From Q8581 (CVBS)
6
IC8517
SYNC.SW1
14
HD
13 Q8514/Q8516/Q8519/Q85
15
HD BUFFER
12
VD
5
2 3
Q8515/Q8517/Q8518/Q85
1
VD BUFFER
6 9 1
For IC8508 CONTROL SWITCH
DAC 3 2 1 IC8507
H12 IIC2
SCL1 4
From SDA1 5 IIC1
D-BOARD SCL2 6
SDA2 7 IIC2
IC8510
I/P SIGNAL SW IC8509
DS Pb
9
A30
6
DS Y
14
A32
DS Pr
1
A34
5
8
A-4
11
3
16
Q8533/Q8537/Q8538
IC8508
Pb
47 15
Q8523/Q852
HORIZONTAL
Y
Q8525/Q852 45 27
CONTOUR
CORRECTION
Pr
Q8524/Q852
1 13
COMPOSITE IC8505
SYNC.
1 4
HD
15
SYNC.
SEPARATOR
27
HD VD
6
13
CLP
H24
VD
8
H23
For
H2
Q7502/Q7503
CONTROL
IC8516 IC8506
IC7501
Q7506/Q7507
IIC2 IIC2
Q7511
Q7507
IC7502
Q7508
V-EQUIVALENT PULSE
REMOVER
59 28 Q8578
IC8511
Q8579
58 31
8
RGB
PROCESSOR
11
57 24 Q8580
16
11 17
B
9
G
14
IIC2
R
1
IC8518 IC8519
HD
DS HS
8
#2
6 13
From DS DS VS 11
VD
DS CLP
16
5 1
HD
9
VD CLP
14
3 11
CLP
1
I / P SYNC. SW SYNC. BUFFER
2 3 6 4 8
2 3 6 4 8
IC7505
Q7501
6
1
Q7509
7
Q7504
12 4
10
4
9
IC7503 IC7504
CLAMP SHIFT
- 68 -
TP295 B-OUT
Q8564
6
TP294 G-OUT
Q8563
5
TP293 R-OUT
Q8562
3
TO D-BOARD
HD OUT H2 D2
1 1
12
VD OUT
3 3
4
CLP OUT
5 5
8