4-8
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Only for training and service purposes
LGE Internal Use Only
Does FE, TE signal
appear? (IC801
PIN10 : RFMON, PIN16 : TE)
waveform #6
* REMON is FE
Defective IC801
Does
TA+ waveform
appear at (IC802 PIN17
and PN801 PIN14)
waveform #5 tracking
coil drive
wave
Does
tain - waveform
appear at (IC802 PIN22)
waveform #5
tracking drive
wave
NO
NO
1-8. READING OK CHECK #E (= “NO DISC” DISPLAY)
YES
YES
E
Defective IC802
Does
ARF signal appear?
(IC801 PIN 2)
waveform #6
NO
Defective pick up or IC801
Check PN802
connector line
NO
Defective PN802 connector
YES
YES
NO
Defective pick up or IC801
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