Service manual

47
VL-AX1U
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)
CDY
CDC
CZYP
IC452
REC/PB ENGINE
IC3401
EQ/PLL
B TO B
IC4401 to VIO ENGINE
same as in EE system
IC201
CAM ENGINE
CZCP
39
227
40 47
50 57
282
288
295
297 304
51
58
65
72
SC3301
HEAD AMP
44
44
229 236
PB_DATA
PB_DATA
ADIN
IC3403
IC3404
PB-CK
4
2
3
10
21
12
13
32
17
A/D
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
IC1602 Output
8
CH1=1V
DC P*10
10µs/d
1
MIC L
MIC R
IC601
IC6601
IC1602
AUDIO I/O
IC452
REC/PB ENGINE
16Bit ADC/DAC
AUD-L ADIN
AIDAT
AUD-R ADIN
REC GATE
REC DATA
same as in
REC system
4138
4239
20
21
TELE-MIC
MIC AMP
INT-MIC-L
INT-MIC-R
46
3
47 2
17
32
2
3
8
13
243 244