LG DA-W6100A Service Manual page 11

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2. AUDIO µ. COM Circuit
POWER ON
Does LOADING
appear at FLD?
Does LOADING
appear at FLD?
Does no Dise or
Time appear at FLD?
Check if DVD an Audio
Micom Interface is OK.
Check power.
Check DVD Module.
Check SMPS.
Does it appear
DVD Error at
FLD?
Check
Connector(PN103)if
is normally.
Check power part
of Main B/D.
Check oscillator
of x101.
Check if CN103
PIN5 is High.
Check if IC101
PIN 11 is High.
Check i f IC101 PIN
17 , 46 , 72 , 90 i s hi g h
(5V).
Check if IC101
PIN 26 is High .
Replace IC101.
- 2-2 -
Digitized in Heiloo Netherland
Does Video1/2
FM 87.5 appear
at FLD?
Reconnet it.
Refer to SMPS
Refer to oscillator
Circuit.
Check DVD Reset Waveform.
Check IC101 Reset Wavefrom.
Check 3.3V line.
Check Power dection Circuit..
OK.