S-Tnt; Waveforms - Emerson EWL20S5 Service Manual

WF1 ~ WF12 = Waveforms to be observed at
Input: NTSC Color Bar Signal (with 1kHz Audio Signal)
CLKH
WF1 1DIV: 1.0V 10 s
R392
CLKV
WF2 1DIV: 1.0V 20ns
R365
POL
WF3 1DIV: 1.0V 20 s
R202
LP
WF4 1DIV: 1.0V 10 s
R201

WAVEFORMS

Waveform check points.
(Shown in Schematic Diagram.)
STH1
WF5 1DIV: 1.0V 10 s
R394
AUDIO
WF6 1DIV: 100mV 400 s
Pin 14 of IC801
CVBS
WF7 1DIV: 200mV 20 s
Pin 11 of CN103A
S-VIDEO-Y
WF8 1DIV: 200mV 20 s
Pin 9 of CN103A
S-VIDEO-C
WF9
VIDEO-Y
WF10
VIDEO-Pb/Cb
WF11
VIDEO-Pr/Cr
WF12
9-1
1DIV: 200mV 20 s
Pin 7 of CN103A
1DIV: 200mV 20 s
Q704 Emitter
1DIV: 200mV 20 s
Q705 Emitter
1DIV: 200mV 20 s
Q706 Emitter
L3222WF