Signal Flow Diagrams - Sharp VL-Z1U Service Manual

VL-Z1U

12. SIGNAL FLOW DIAGRAMS

12-1. EE MODE FLOW (VIDEO)
117 118
68
72
CAM ENGINE
75 77
ZYP
20
27
VIO ENGINE
291
Y C
2
VIDEO I/O
16 13
SEP-Y IN/OUT SEP-C IN/OUT
VIDEO IN/OUT
12-2. FLOW IN REC MODE (VIDEO)
28 31
VIO ENGINE
50
REC/PB ENGINE
FPC
CAM ADIN
120 127
IC201
84 85 87 92
ZCP
28 31 35 37 38
IC4401
97 99
293
R G
47
6 46
IC1401
10
25 23
R G
LCD Panel
ZYP
ZCP
35 37 38 20 27
IC4401
233 240 219 224 231 232
CDC CDY
57 40 47
IC452
243 244
REC DATA REC GATE
SC3301
HEAD AMP
WAVEFORM DIAGRAM
(DURING COLOR BAR RECORDING)
IC4401 23pin ZYP3 Input
CH1=1V
DC P*10
103
B
48
IC801
21
B
IC4401 33pin ZCP3 Input
CH1=1V
DC P*10
WAVEFORM DIAGRAM
(DURING COLOR BAR RECORDING)
48
IC4401 291pin Y Output
CH1=500mV
DC P*10
5ms/d
IC4401 222pin CDY3 Output
1
CH1=1V
DC P*10
IC4401 236pin CDC3 Output
CH1=1V
DC P*10
5ms/d
IC4401 293pin C Output
1
CH1=500mV
DC P*10
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
20µs/d
1