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WF1 ~ WF15 = Waveforms to be observed at
Waveform check points.
(Shown in Schematic Diagram.)
Input:
NTSC Color Bar Signal (with 1kHz Audio Signal)
INITIAL POSITION: Unplug unit from AC outlet for at least 5 minutes.
reconnect to AC outlet and then turn power on.
(Brightness---Center Color---Center Tint---Center Contrast---Approx 70%)
WF1
1DIV: 2V 20µs
Q 1511 Base
WF2
1DIV: 2V 20µs
Q 1521 Base
WF3
1DIV: 2V 20µs
Q 1531 Base
WF4
1DIV: 20V 20µs
Q 1511 Collector
WAVEFORMS
WF5
WF6
WF7
WF8
9-1
1DIV: 20V 20 µs
Q 1521 Collector
µs
1DIV: 20V 20
Q 1531 Collector
1DIV: 10V 20µs
Q 572 Collector
1DIV: 5V 20µs
Q 571 Base
L17WF
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