Service manual

43
VL-MC500U/K
12-3. FLOW IN PB MODE (VIDEO)
WAVEFORM DIAGRAM
(DURING COLOR BAR PLAYBACK)
12-4. FLOW IN REC MODE (AUDIO)
WAVEFORM DIAGRAM (1.6 kHz SINE WAVE)
IC3401 39pin PBDATA Input
IC3401 44pin Input
IC3401 1pin Output
IC3401 32pin Output
CH1=500mV
DC P*10
5ms/d
1
CH1=500mV
DC P*10
5ms/d
1
CH1=500mV
DC P*10
5ms/d
1
CH1=1V
DC P*10
5ms/d
1
CDY
CDC
IC452
REC/PB ENGINE
IC3401
EQ/PLL
B TO B
39
227
40 47
50 57
SC3301
HEAD AMP
44
44
229 236
PB_DATA
PB_DATA
ADIN
IC3403
IC3404
PB-CLK
4
2
3
10
21
12
13
32
17
A/D
ZYP
IC201
CAM ENGINE
ZCP
282 288 295
297 304
51
58
65
72
IC4401 to VIO ENGINE
same as in EE system
IC1602 Output
8
CH1=1V
DC P*10
10µs/d
1
MIC-L
MIC-R
IC600
IC1602
AIO
IC452
REC/PB ENGINE
16Bit ADC/DAC
AUD-L ADIN
AIDAT
AUD-R ADIN
REC GATE
REC DATA
same as in
REC system
13
4
52
53
2
3
8
13
243 244