Waveforms - Zenith XBV613 - DVD/VCR Combination Service Manual

• WAVEFORMS

* IC301 Waveform
IC301 Pin 9 IC301 Pin 12
100mV/10msec DIV 100mV/10msec DIV
VV/EE PB
(Main De-Emphasis out) (Main De-Emphais
Peacking)
IC301 53 Pin IC301 31 Pin
100mV/0.2msec DIV 1.0V/20msec DIV
REC/PB VV/EE
(2fsc) (C-SYNC OUT)
IC301 Pins 46, 57 IC301 Pin 67
200mV/20msec DIV 100mV/0.2msec DIV
VV/EE PB/REC
from 1H CCD Pin 46 (3.58MHz X-TAL IN)
to 1H CCD Pin 57
IC301 Pin 90
500mV/2msec DIV
EP REC
(REC RF)
IC301 Pins 33, 36, 37 IC301 Pin 15
100mV/10msec DIV 200mV/10msec DIV
VV/EE EE
Clamp Drive IN Pin 33 (VIDEO IN)
Y-out(to 1H CCD) Pin 36
Y-out(from 1H CCD) Pin 37
IC301 29 Pin IC301 Pin 43
500mV/10msecDIV 200mV/20msec DIV
VV/EE PB
(VIDEO OUT) (C.OUT)
IC301 Pin 77 IC301 Pin 86
100mV/5msec DIV 500mV/2msec DIV
PB SP REC
(PB RF out) (REC RF)
3-43
* IC501 Waveform
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 200µs
IC501 Pin 18 IC501 Pin 13
REC/PB QUE/REV
Tek Stop : 10.0KS/s 35 Acqs Tek Stop : 50.0KS/s 120 Acqs
T T
T
T
1 1
Ch1 1.00 V M5.00ms Ch1 3.04 V Ch1 1.00 V M1.00ms
IC501 Pin 94 IC501 Pin 87
REC REC/PB
3-44
Tek Stop : 10.0KS/s 18 Acqs Trigger Position: 12% Tek Stop : 10.0KS/s
T T
T
T
1
Ch1 1.00 V M 5.00ms Ch1 3.04 V
1
Ch1 3.04 V Ch1 1.00 V
IC501 Pin 13 IC501 Pin 95
QUE/REV REC
Tek Stop : 5.00KS/s
T
(DPG)
T
(DFG)
1
Ch1 500mV
Ch1 3.04 V
IC501 Pin 90 IC501 Pin 97
REC/PB PB
(DPG/DFG) (CTL OUT)
27 Acqs
M5.00ms Ch1 3.04 V
Trigger Level: 340mv
2 Acqs
M 10.00ms Ch1 340V