Service manual

WAVEFORMS
L17WF
9-1
1DIV: 2V 20µs
Q 1511 Base
WF1
1DIV: 2V 20µs
Q 1521 Base
WF2
1DIV: 2V 20µs
Q 1531 Base
WF3
1DIV: 20V 20µs
Q 1511 Collector
WF4
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%)
1DIV: 20V 20
Q 1531 Collector
WF6
1DIV: 20V 20µs
Q 1521 Collector
WF5
1DIV: 10V 20µs
Q 572 Collector
WF7
1DIV: 5V 20µs
Q 571 Base
WF8
WF1 ~ WF15 = Waveforms to be observed at
Waveform check points.
(Shown in Schematic Diagram.)
µs