74
CIRCUIT
DESCRIPTION
Sub B-Y Cb Out
Sub Y Out
Sub R-Y Cr Out
Main B-Y Cb Out
Main Y Out
Main R-Y Cr Out
ZP-94/95 SERIES CHASSIS COMPONENT SIGNAL PATH (Main & Terminal)
Lum/Audio Selector IC
Terminal PWB
Component 1
Inputs
Cr/Pr
Cb/Pb
Y
Component 2
Inputs
Y
Cb/Pb
Cr/Pr
30
22
Comp 2 for
Auto Link
Comp 1for
Auto Link
16
1
3
11
14
5
9
8
6
I406
1
2
1
2
1
2
Q439
Q438
Q437
Q434
Q435
Q436
I401
Y
Cb/Pb
Cr/Pr
Q427
Q426
Q425
7
1
21
9
3
19
11
5
15
I205
1
2
1
2
1
2
Q232
233
Q234
13
Q229
Q230
Q231
11
Q226
Q227
Q228
9
PST2
1
3
14
5
8
6
I407
1
2
1
2
1
2
Y
Cb/Pb
Cr/Pr
1
7
21
3
9
19
5
11
15
I404
1
2
1
2
1
2
Q416
Q417
Q418
Q419
Q420
Q421
Q422
Q423
Q424
PST2
5
4
3
U205
PFC1
19
17
15
48
47
37
I403
19
18
17
Sub B-Y Cb Out
Sub Y Out
Sub R-Y Cr Out
SUB PICTURE
MAIN
PICTURE
F
L
E
X
CO
NV
E
R
T
E
R
I201
48
47
37
Terminal PWB
Signal PWB
Signal PWB
11
16
Cr/Pr1
Cr/Pr2
Cb/Pb2
Y2
Y1
9
Q440
Q441
Q442
16
18
20
PFC2
15
17
19
PSZ2
2H Y
2H B
2H R
2H Y
2H CB
2H CR
PZC
2H Video PWB
To CRT PWB
IX01
Rain
forest
Y2 In
CB/Q
CR/I
52
42
QX36
3
G
53
43
QX31
1
R
QX21
51
41
QX41
5
B
YCBCR to YIQ
CONVERTER
Q22~27 & 54,55
SUPER
MATRIX
IX03, 04
IX02
YCBCR/YIQ
SELECTOR
See Chroma After Flex Converter Sig. Diagram
Q414
Q413
Q412