LG MDD64K Service Manual page 25

DVD ELECTRICAL TROUBLESHOOTING GUIDE
1. POWER PART CHECK GUIDE
POWER ON
YES
Does
DVD/CD
appear at FLD?
YES
NO
YES
Does no
NO
disc or time
are appeared
at FLD?
YES
OK
Func
Does it
appear DVD
NO
error at FLD?
YES
NO
Check connector
(P400)
Check the
NO
voltage of each pin
on P201
YES
Check DVD MD
module
3-10
POWER ON
YES
Does
AUX, FM
NO
87.5 AM,USB
appear at
FLD?
YES
OK
Check connector
P7501
Check an audio
micom or interface
reconnect (CN201)
Reconnect it