Table of Contents
Advertisement
WF1 ~ WF16 = 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: 0.5V 20µs
IC 111 Pin 26
WF2
1DIV: 0.5V 20µs
IC 111 Pin 14
1DIV: 2V 20µs
WF3
Q1511 Base
WF4
1DIV: 2V 20µs
Q 1521 Base
WAVEFORMS
GND
WF5
WF6
GND
WF7
GND
WF8
9-1
1DIV: 2V 20µs
Q 1531 Base
1DIV: 0.2V 20ms
IC 801 Pin 3
1DIV: 10V 20µs
Q 572 Collector
1DIV: 5V 20µs
Q 571 Base
GND
GND
L15WF
Advertisement
Table of Contents
