3. AUDIO ?-COM Circuit(DVD & AMP)
POWER ON
NOYES
Does CD/DVD appearDoes AV1, TV Audio, AV1 opt.
OK
at FLD?and FM 87.5 appear at FLD
YESNO
NONO
Does Loading appearDoes it appear DVD Error
at FLD?at FLD?
YESYES
NONO
Does no Disc or TimeCheck power part of Main
Refer to SMPS.
appear at FLD?B/D.
YESYESYES
Check if DVD an AudioNO
Check oscillator of X101.Refer to oscillator Circuit.
Micom Insert is OK.
YESYES
NOCheck if IC101 Pin80NOCheck IC101 Reset
Check Power.
is high.Waveform.
YESYES
Check DVD Module.
Check SMPS.
NO
Check if IC101 Pin32, 51,
Check 3.3V line.
80 are high(5V).
YES
Check if IC101 Pin96NOCheck Power section
is high.Circuit.
YES
Replace IC101.
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