TROUBLESHOOTING GUIDE

(DVD SECTION)

DOES NOT DISPLAY DVD

PICTURE

Does this display logo picture?

No

Yes

Check the disc.

Is there signal at pins 149 and 151 of IC4001?

Yes

Check pins 8 and 10 of CP8501 and peripheral circuit.

 

No

 

 

 

 

 

 

Yes

 

Does IC4001 gets

 

 

 

 

P.CON+3.3V and

 

 

 

 

 

 

P.CON+1.8V?

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

Check P.CON+3.3V and

P.CON+1.8V line.

Change IC4001.

E-5

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Toshiba 15LV505 service manual DVD Section