Sharp LC-13SH1U Service Manual page 48

WF1 ~ WF10 = Waveforms to be observed at
Waveform check points.
(Shown in Schematic Diagram.)
Input: NTSC Color Bar Signal (with 1kHz Audio Signal)
Pin 9 of CN102A
WF1
(MAIN)
Pin 15 of CN112B
(LCD MAIN)
VOLUME 1V 10µs
Pin 18 of CN102A
WF2
(MAIN)
Pin 6 of CN112B
(LCD MAIN)
SCL 2V 10ms
Pin 19 of CN102A
WF3
(MAIN)
Pin 5 of CN112B
(LCD MAIN)
SDA 2V 10ms
Pin 1 of CN103A
WF4
(MAIN)
Pin 23 of CN113B
(LCD MAIN)
VIDEO-Pr 0.2V 20µs
Pin 3 of CN103A
WF5
(MAIN)
Pin 21 of CN113B
(LCD MAIN)
VIDEO-Pb 0.2V 20µs
Pin 5 of CN103A
WF6
(MAIN)
Pin 19 of CN113B
(LCD MAIN)
20µs
VIDEO-Y 0.2V 20µs
9-2
Pin 7 of CN103A
WF7
(MAIN)
Pin 17 of CN113B
(LCD MAIN)
20µs
VIDEO-C 0.2V
Pin 9 of CN103A
WF8
(MAIN)
Pin 15 of CN113B
(LCD MAIN)
20µs
VIDEO-Y 0.2V
Pin 11 of CN103A
WF9
(MAIN)
Pin 13 of CN113B
(LCD MAIN)
CVBS 0.2V 20µs
Pin 14 of IC801
WF10
(MAIN)
IC801-14Pin 0.1V 0.5ms
L0171WF2