Service manual

43
VL-NZ50U/NZ100U
VL-NZ150U
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
VIO ENGINE
IC1401
IC2800
VIDEO I/O
R
Y
G
B
RG
B
LCD Panel
VIDEO IN/OUT
2
4
20
291
28
31
35
37
38
22
24
20
99
97
103
7
6
8
27
IC4401
ZYP
ZCP
IC202
CAM ENGINE
68
72
84
85
117
118
CAM ADIN
120
127
75
77
87
92
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