Service manual

42
VL-MC500U/K
12. SIGNAL FLOW DIAGRAMS
12-1. EE MODE FLOW (VIDEO)
WAVEFORM DIAGRAM
(DURING COLOR BAR RECORDING)
WAVEFORM DIAGRAM
(DURING COLOR BAR RECORDING)
12-2. FLOW IN REC MODE (VIDEO)
IC4401 23pin ZYP3 Input
IC4401 33pin ZCP3 Input
IC4401 291pin Y/YC Output
IC4401 236pin CDC3 Output
IC4401 222pin CDY3 Output
1
1
1
1
1
CH1=1V
DC P*10
CH1=500mV
DC P*10
20µs/d
5ms/d
5ms/d
CH1=1V
DC P*10
5ms/d
CH1=1V
DC P*10
5ms/d
CH1=1V
DC P*10
IC4401 293pin C Output
1
20µs/d
CH1=500mV
DC P*10
VIO ENGINE
IC1401
IC2800
VIDEO I/O
R
Y
G
B
RG
B
LCD Panel
VIDEO IN/OUT
SEP-Y IN/OUT
SEP-C IN/OUT
2 6
20
291
C
293
28
31
35
37
38
22
24
16 13 10
20
99
97
103
7
6
8
27
IC4401
ZYP
ZCP
IC201
CAM ENGINE
CAM ADIN
200
209
51
58
65
72
IC452 244pin Rec GATE Output
IC452 243pin Rec DATA Output
CH1=1V
DC P*10
5ms/d
1
CH1=1V
DC P*10
5ms/d
1
IC452
REC/PB ENGINE
CDY
CDC
HEAD AMP
REC DATA
REC GATE
SC3301
B TO B
40
47
50
57
244
243
IC4401
VIO ENGINE
ZYP
ZCP
233
240
219
224
231 232
20
28
31
35
37
38
27