Signal Flow Diagrams - Sharp VL-WD650U Service Manual

12. SIGNAL FLOW DIAGRAMS

12-1. EE MODE FLOW (VIDEO)
CAM ADIN
117 118
IC202
CAM ENGINE
68 72 75 77
ZYP
164 168 174
VIO ENGINE
IC4401
249
Y
1
VIDEO I/O IC1401
9 14 12
SEP-Y IN/OUT
SEP-C IN/OUT
VIDEO IN/OUT
12-2. FLOW IN REC MODE (VIDEO)
ZCP
175 182
VIO ENGINE
131
CDC
50
REC/PB ENGINE
REC DATA
B TO B
120 127
84 85 87 92
ZCP
175 182
184 187 189 192
254
43 48 53
C
R G B
6 7 8
19
IC2800
22 20
24
R G B
LCD Panel
VF LCD Panel
ZYP
184 189 192 164 168
187 174
IC4401
137 140 130 121 124
127
CDY
57 40 47
IC452
243 244
REC GATE
SC3301
HEAD AMP
WAVEFORM DIAGRAM
(DURING COLOR BAR RECORDING)
IC4401 170pin ZYP3 Input
CH1=1V
DC P*10
259 264 269
Y R-Y B-Y
48 2 1
IC8802
14 11
16
R G B
IC4401 184pin ZCP3 Input
CH1=1V
DC P*10
WAVEFORM DIAGRAM
(DURING COLOR BAR RECORDING)
43
IC4401 249pin Y/YC Output
CH1=500mV
DC P*10
5ms/d
IC4401 124pin CDY3 Output
1
CH1=1V
DC P*10
IC4401 134pin CDC3 Output
5ms/d
CH1=1V
DC P*10
5ms/d
IC4401 254pin C Output
1
20µs/d
CH1=500mV
DC P*10
IC452 244pin Rec GATE Output
5ms/d
CH1=1V
DC P*10
1
IC452 243pin Rec DATA Output
CH1=1V 5ms/d
DC P*10
1
VL-WD650U
20µs/d
1
5ms/d
1
1
1