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Zenith IQC50H94 Technical Training Manual page 73

2000 c-line projection tv

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ZP-94/95 SERIES CHASSIS VIDEO SIGNAL PATH (Main & Terminal)
Front Control PWB
3V
S Det.
Avx 3 In
S-3 In
Signal PWB 1 of
2
U201
18
Main Tuner
U202
PinP TUNER (Mono)
23
Always PinP
V1
S-1 In
Aux
Inputs
V2
S-2 In
IJ01
8
25
PFT
V3V
10
Aux Input 3
S-Y3
5
S-C3
3
Terminal
PWB
PST1
Q205
TV1V
14
Q206
TV2V
19
S Det.
S-Y1
S-C1
S Det.
S-Y2
S-C2
Terminal PWB
3 Line Comb Filter
QJ06
25
8
QJ08 QJ07
QJ05
QJ02
QJ04
QJ01
QJ03
QJ12
Lum/Audio Selector IC
I401
PinP Yout2
56
15
PinP C Cout2
17
32
19
Q403
53
4
VOut1
V In
PinP
49
1
YIn1
Y Out
Vide
o
63
C Out
51
3
CIn1
Main
Video
NTSC
Q409
Monitor Out
60
41
Vout3
Q410
39
Yout3
8
Y/S Monitor Out
37
10
Cout3
12
PST2
Q402
1
Main Y
V/Yout2
44
/Video
3
Q401
5
47
Cout2
Main C
IJ02
PYC1
S-CIn
6
10
1
5
3
13
QJ10
QJ09
QJ11
11
Video In
Q405
Q406
PinP VY
PinP C
Q404
Q408
2
Sub Video Route
Line
Comb
Filter
See Component Signal Flow
Diagram for Continuation
Q411
Main Y/Video
Q216
Q235
Main Y
5
/Video
Main C
7
Q213
Q214
9
Signal PWB 2 of 2
7
I403
40
6
37
Y
46
R-Y
47
B-Y
Main C
I201
40
9
6
7
Main
Video/
Chroma

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