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DP-4X SERIES CHASSIS MICROPROCESSOR SYNC INPUT CIRCUIT DIAGRAM
Not in the DP-43 Chassis
31
Digital Module
NTSC for Monitor Out
33
Front Control PWB
Aux 5 Video V3V
V5
Aux 5 S-Y V3Y
S5
Aux 5 S-C V3C
S-5 Det.
Component 1 Y
Component 1 Pb/Cb
V1
Component 1 Pr/Cr
Component 2 Y
Composite 2
V2
Component 2 Pb/Cb
Component 2 Pr/Cr
Aux 3 Video (Composite)
V3
Aux 3 S-Y
S3
Aux 3 S-C
Aux 4 Video (Composite)
V4
Aux 4 S-Y
S4
Aux 4 S-C
DM Y
11
MAIN
NTSC
Y
13
OUT
DM C
SUB
PFS2
Y 60
OUT
2
65
7
67
9
69
11
70
TV
27
29
Sub TV
31
21
I402
Video Select
9
23
25
77
79
1
S-3 Det.
2
71
73
75
S-4 Det.
76
Q407
QV01 QV02
Q003
56
Q408
QV06 QV07 QV10
PTU2
15
14
6
Q304 Q305
3
3
PTU1
19
Q302 Q303
DEFLECTION
PWB
Q035
Q041
M/S Sync Det. (Main/Sub)
Used for AFC during Channel tuning
I005
9
Main
Hi
3
4
Z
Sub
5
Lo
16
SW +9V
TUNER PWB
Main Video
18
U301 Main Tuner
16
Main AFC
18
Sub Video
U302 Sub Tuner
16
Sub AFC
PDS2
Q015
8
Q016
12
Q036
Q042
and Auto Programming
Q015
Q010 Q012
Q014
Main CCD In
for CCD & V Chip
Sub CCD In for
V. Chip Data
I004
Micro
Processor
M/S Sync
23
Det
25
SD Sel
62
HBlk
64
VBlk
92
Sub AFC
93
Main AFC
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