Philips DVP3600X/77, Руководство по обслуживанию, Страница: 14 / 34

4-4
Disc cannot be read
.
No
Yes
No
Yes
No
Yes
Yes
No
No
Yes
Disc cannot be read.
Check the loaded circuit
Replace the Loader
Check the FFC connection
between 24P and the loader.
Check U1 and peripheral components
Replace the defective parts
Check the connection
between U1
Correct connection
Replace U1
Yes
Check whether the current of R12 is
Less than 60mA for DVD and 65mA
for CD.
Check if there is RFO signal on
pin17 of XP3. (The normal RFO
signal is a clear reticulated wave)
Trouble shooting chart
Check whether the components
between of U1 ,and xp3 are
eroded or defect