LG DA-W6100A Service Manual page 37

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D.
CHECK A
Fig.5. RF
waveform
Check RF Eye-Pattern.
RF : 1.5-1.6V(TP2A0)
Is the eye-pattern vivid?
Check IC201 Pin165.
Check the clock at the IC201 Pins37, 59.
END
Check IC2A1 Pin3.
Does the
sawtooth waveform emit
at IC2A1 Pin36?
Replace IC201.
Both are normal : IC201 is defective
- 3-8 -
Digitized in Heiloo Netherland
No signal: Pick-up is defective
Does the 1.6V emit?
Check IC201 Pin84.
No signal at IC201 : IC201 is defective
Replace IC2A1.