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Only DVD disc or only disc except DVD can be played
Only DVD disc, or only disc
except DVD can be Played.
Go
Check
the
connection between
24pin and the loader.
Yes
Check laser voltage (2.4V) output
on L10, if pin18 of U1 is at low
level.
Yes
Check whether there
is voltage variance on
pin 25 of U1.
Yes
Check whether pins of U1 and
peripheral
components
badly soldered, defected
Yes
Check
Q5,
whether
in
condition
Yes
Change U1 or the loader.
FFC
No
No
No
are
No
Q7
good
5-5
Check the loaded circuit
Check the solder status on U1 and
peripheral components
check if bad solder exist on U1 and
peripheral components
No
Replace the bad spare parts
Correct connection
Trouble shooting chart
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