Signal Flow Diagrams - Sharp VL-NZ50U Service Manual

12. SIGNAL FLOW DIAGRAMS

12-1. EE MODE FLOW (VIDEO)
CAM ADIN
117 118
CAM ENGINE
68 72 75 77
ZYP
20 27
VIO ENGINE
IC4401
291
Y
4
VIDEO I/O IC1401
2
VIDEO IN/OUT
12-2. FLOW IN REC MODE (VIDEO)
ZCP
28 31
VIO ENGINE
233
CDC
50
REC/PB ENGINE
REC DATA
B TO B
120 127
IC202
84 85 87 92
ZCP
28 31
35 37 38
97 99 103
R G B
6 7 8
22 20
24
R G B
LCD Panel
ZYP
35 37 38 20 27
IC4401
240 219 224 231 232
CDY
57 40 47
IC452
243 244
REC GATE
SC3301
HEAD AMP
WAVEFORM DIAGRAM
(DURING COLOR BAR RECORDING)
IC4401 23pin ZYP3 Input
CH1=1V
DC P*10
IC2800
IC4401 33pin ZCP3 Input
CH1=1V
DC P*10
WAVEFORM DIAGRAM
(DURING COLOR BAR RECORDING)
43
VL-NZ50U/NZ100U
VL-NZ150U
IC4401 291pin Y/YC Output
CH1=500mV
DC P*10
5ms/d
IC4401 222pin CDY3 Output
1
CH1=1V
DC P*10
IC4401 236pin CDC3 Output
5ms/d CH1=1V
DC P*10
1
IC452 244pin Rec GATE Output
5ms/d
CH1=1V
DC P*10
1
IC452 243pin Rec DATA Output
5ms/d
CH1=1V
DC P*10
1
20µs/d
1
5ms/d
1
5ms/d
1