Table of Contents
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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 (2V) output
on Collector of Q8, if pin 22 of U3
is at low level.
Yes
Check whether there
is voltage variance on
pin 22 of U3.
Yes
Check whether pin 1 to pin38
of
U3
and
peripheral
components
are
soldered, defected
Yes
Check Q5, Q6, Q8
whether in good
condition
Yes
Change U3 or the loader.
All manuals and user guides at all-guides.com
4-5
FFC
No
No
No
No
badly
No
Correct connection
Check the loaded circuit
Check the solder status on U3 and
peripheral components
check if bad solder exist on U3 and
peripheral components
Replace the bad spare parts
Trouble shooting chart
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