LG MICRO Hi-Fi SYSTEM - DVD Troubleshooting and Test Flow

3-10
DVD ELECTRICAL TROUBLESHOOTIHG GUIDE
1. POWER PART CHECK GUIDE
YES
YES
YES
YES
YES
Does DVD
appear at FLD?
Does no disc or
time are appeared at
FLD?
Check connector
(P7904, P7905)
NO
NO
Does it
appear DVD error at
FLD?
POWER ON
NO
Check an Audio micom
Select the DVD mode
YES
Reconnect
YES
Check DVD MD module
Check the voltage of each
pin on P7905 9,10pin
OK