Symphonic LCD-B20D6 Service Manual page 39

WF9 ~ WF14 = Waveforms to be observed at
Waveform check points.
(Shown in Schematic Diagram.)
Input: PAL Color Bar Signal (with 1kHz Audio Signal)
R997
WF9
CTKH 1V
R902
WF10
STH1 1V
R901
WF11
POL 1V
WF12
20ns
WF13
1µs
WF14
20µs
9-2
R904
LP 1V 10µs
R907
STV1 1V 5ms
R905
CLKV 1V 10µs
L4620WF