Sony AVD-K150B Service Manual page 82

AVD-K150B/K150E/K150G/K150N/K150R
• Waveforms
– VCR Board –
1 2
IC301 rk, t;, ts, tf, th IC301 yj
EE (VIDEO IN) PB/REC (C-SYNC OUT)
200 mV/10 msec DIV 1.0 V/20 msec DIV
5 IC301 wa 6 IC301 of, og
PB (PB RF OUT) SP REC (REC RF)
100 mV/5 msec DIV 500 mV/2 msec DIV
8 9
IC501 <z/b IC501 <z/.
REC/PB (V.HSW) QUE/REV (DV.SYNC)
Tek Stop : 10.0KS/s 280 Acqs Tek Stop : 250KS/s 299 Acqs
T T
T
T
1 1
Ch1 1.00 V M5.00ms Ch1 3.04 V Ch1 1.00 V M 200 s
1 V/200 µ sec DIV
1.0 V/5 msec DIV
qs qd
IC501 4 IC501 9
(CTL –) REC/PB (CFG)
35 Acqs 120 Acqs
Tek Stop : 10.0KS/s Tek Stop : 50.0KS/s
T T
T
T
1 1
Ch1 1.00 V M5.00ms Ch1 3.04 V Ch1 1.00 V M1.00ms
1 V/5 msec DIV 1 V/10 msec DIV
AVD-K150B/K150E/K150G/K150N/K150R
3
IC301 ya, yd
EE (VIDEO OUT)
500 mV/10 msec DIV
7 IC301 ik, il
LP REC (REC RF)
500 mV/2 msec DIV
q;
IC501 <z/. QUE/REV (DV.SYNC)
UPPER WAVEFORM
Tek Stop : 10.0KS/s 18 Acqs Trigger Position: 12%
T
T
Ch1 1.00 V M 5.00ms Ch1 3.04 V
1
Ch1 3.04 V
0.2 V/40 µ sec DIV
qf
IC501 <z/c, <z/v
REC/PB (DPG/DFG)
(DPG)
(DFG)
Ch1 3.04 V
1 V/10 msec DIV
4
IC301 wk
PB/REC (4.43MHz X-TAL IN)
100 mV/200 nsec DIV
qa
IC50 1 3
(CTL +)
Tek Stop : 10.0KS/s 27 Acqs
T
T
1
Ch1 1.00 V M5.00ms Ch1 3.04 V
1 V/5 msec DIV
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