Philips PD7010, Руководство по обслуживанию, Страница: 14 / 36

5-4
Only DVD disc or only disc except DVD can be played
No
No
Yes
Only DVD disc, or only disc
except DVD can be Played.
Check the FFC
connection between
24pin and the loader.
Check the loaded circuit
Check the solder status on U5 and
peripheral components
Check whether there
is voltage variance on
U4.
check if bad solder exist on U4 and
peripheral components
Replace the bad spare parts
Check whether pin 94 - 120
of U2 and peripheral
components are badly
soldered, defected
Check Q9,Q10
whether in good
condition
Yes
Yes
Yes
Go
Correct connection
Change U4 or the loader.
No
No
Yes
Check laser voltage (1.9V)
output on Collector of Q9
No
Trouble shooting chart