Magnavox CT202MW8, Service Manual, Page: 65 / 89

WAVEFORMS
X8TWF
1-12-1
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%)
WF2
WF1
WF5
WF4
WF8 WF7
WF3
WF9
WF11
WF13 WF14
WF10
WF15
WF16
WF12
1DIV: 2V 5ms TP1402 RF-SW
1DIV: 0.2V 0.1
µ
s
IC1401 Pin 49
1DIV: 1V 10ms TP1202 CTL-AMP-OUT 1DIV: 0.25V 20
µ
s
IC1401 Pin 32
1DIV: 0.5V 20
µ
s
TP1401 V-OUT
Upper:
WF6
Lower:
WF1
1DIV: 0.2V 2DIV: 5V 5ms TP1403 ENV.
TP1402 RF-SW
1DIV: 0.5V 0.5ms IC1401 PIN9 1DIV: 0.5V 0.5ms IC1401 PIN10
1DIV: 2V 20
µ
s
TP2503 H-DRIVE
1DIV: 200V 20
µ
s
Q2571 COLLECTOR
1DIV: 10V 5ms CN2571 PIN 5 1DIV: 20V 20
µ
s
Q2503 COLLECTOR
1DIV: 20V 20
µ
s
Q2502 COLLECTOR 1DIV: 20V 20
µ
Q2501 COLLECTOR 1DIV: 1V 20
µ
s
IC1201 PIN 58 1DIV: 1V 5ms IC1201 PIN 59
s
WF18 WF17
WF19 WF20
SPDIF
1V
0.1
µ
sec
1DIV: 0.2V 20
µ
s
CN2 PIN 8
1DIV: 0.2V 20
µ
s
CN2 PIN 6
1DIV: 0.5V 0.5ms CN2 PIN 4
1DIV: 1V 0.1
µ
s
CN2 PIN 1