Waveforms - Sylvania LC420SS8 Service Manual

WF1 ~ WF7 = Waveforms to be observed at
Waveform check points.
(Shown in Schematic Diagram.)
Input: NTSC Color Bar Signal (with 1kHz Audio Signal)
Pin 20 of CN7001 (CVBS1)
WF1
Pin 36 of CN7001 (CVBS2)
CVBS
Pin 22 of CN7001 (S1-Y)
WF2
Pin 32 of CN7001 (S2-Y)
S-VIDEO-Y
Pin 23 of CN7001 (S1-C)
WF3
Pin 34 of CN7001 (S2-C)
S-VIDEO-C
Pin 6 of CN7001 (COMP1-Y)
WF4
Pin 2 of CN7001 (COMP2-Y)
VIDEO-Y

WAVEFORMS

0.2V 20µs
20µs
0.2V
20µs
0.2V
0.2V 20µs
9-1
Pin 7 of CN7001 (COMP1-Pb)
WF5
Pin 1 of CN7001 (COMP2-Pb)
VIDEO-Pb 0.2V 20µs
Pin 8 of CN7001 (COMP1-Pr)
WF6
Pin 3 of CN7001 (COMP2-Pr)
VIDEO-Pr 0.2V 20µs
Pin 14 of CN7001 (JACK-SEL-L)
WF7
Pin 12 of CN7001 (JACK-SEL-R)
AUDIO 1V 0.5ms
A81H1WF