Waveforms - Sylvania 6513VD Service Manual

WF1 ~ WF20 = Waveforms to be observed at
Waveform check points.
(Shown in Schematic Diagram.)
GND
WF1 1DIV: 0.5V 20µsec
WF5
IC1001 Pin 1
WF2 1DIV: 0.5V 20µsec
WF6
IC1201 Pin 14
GND
1DIV: 2V 20µsec WF7
WF3
Q511 Base
GND
WF8
WF4 1DIV: 2V 20µsec
Q521 Base
1-11-1

WAVEFORMS

GND
1DIV: 2V 20µsec
WF9
1DIV: 200V 20µsec
Q531 Base
CN1571 Pin 1
1DIV: 0.2V 20msec WF10 1DIV: 5V 20µsec
IC1001 Pin 11 CL501B Pin 3
GND
1DIV: 10V 20µsec
WF11 1DIV: 2V 5msec
Q1572 Collector
IC1551 Pin 7
10 V
WF12 1DIV: 10V 5msec
1DIV: 5V 20µsec
CN1571 Pin 4
Q1571 Base
Input: NTSC Color Bar Signal (with 1kHz Audio Signal) --- WF1~WF16
DVD Video (Power on (Stop) MODE) --- WF17, WF18
CD (1KHz Play) --- WF19, WF20
INITIAL POSITION: Unplug unit from AC outlet for at least five minutes,
reconnect to AC outlet and then turn power on.
(Brightness---Center Color---Center Tint --- Center Contrast---Approx 70%)
GND
WF13
1DIV: 20V 20µsec
Q531 Collector
GND
WF14 1DIV: 20V 20µsec
Q521 Collector
WF15 1DIV: 20V 20µsec
Q511 Collector
5 ms
WF16 1DIV: 0.2V 20µsec
TU1001 Pin 8
WF17
1DIV: 0.2V 20µsec
CN002 Pin 1
WF18 1DIV: 0.2V 20µsec
CN002 Pin 3
WF19 1DIV: 1V 0.5msec
CN002 Pin 7
SPDIF 1V 0.1µsec
WF20 1DIV: 1V 0.1µsec
CN002 Pin 10
1-11-2 TD806WF