10 V
5 ms
1DIV: 0.5V 20
µ
sec
IC1001 Pin 1
WF1
GND
1DIV: 0.5V 20
µ
sec
IC1201 Pin 14
WF2
1DIV: 0.2V 20msec
IC1001 Pin 11
WF6
1DIV: 200V 20
µ
sec
CN1571 Pin 1
WF9
GND
1DIV: 5V 20
µ
sec
CL501B Pin 3
WF10
GND
1DIV: 2V 5msec
IC1551 Pin 7
WF11
1DIV: 10V 5msec
CN1571 Pin 4
WF12
1DIV: 20V 20
µ
sec
Q521 Collector
WF14
1DIV: 0.2V 20
µ
sec
CN002 Pin 3
WF18
1DIV: 2V 20
µ
sec
Q511 Base
WF3
GND
1DIV: 2V 20
µ
sec
Q521 Base
WF4
1DIV: 2V 20
µ
sec
Q531 Base
WF5
GND
1DIV: 10V 20
µ
sec
Q1572 Collector
WF7
GND
1DIV: 5V 20
µ
sec
Q1571 Base
WF8
1DIV: 20V 20
µ
sec
Q531 Collector
WF13
1DIV: 0.2V 20
µ
sec
CN002 Pin 1
WF17
1DIV: 20V 20
µ
sec
Q511 Collector
WF15
1DIV: 1V
0.5msec
CN002 Pin 7
WF19
1DIV: 1V
0.1
µ
sec
CN002 Pin 10
WF20
1DIV: 0.2V 20
µ
sec
TU1001 Pin 8
WF16
GND
TD806WF
WF1 ~ WF20 = Waveforms to be observed at
Waveform check points.
(Shown in Schematic Diagram.)
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%)
WAVEFORMS
1-11-1
1-11-2
SPDIF
1V
0.1
µ
sec