Philips DCP850 Service Manual page 14

5.0 TROUBLESHOOTING
SYMPTOM: NO IMAGE / NO SOUND
SYMPTOM: NO IMAGE OUTPUT ( THE PANEL SHOW BLUE PICTURE )
NOTE: AV Cable TYPE from outside to
Inside L-Audio, R-Audio, Video, Ground
SYMPTOM: NO SOUND COMES FROM SPEAKER
Start
Check DVD Drive work ?
yes
Check the external AV
note
Cable TYPE and
connection is OK?
yes
Replace Main Board
Start
Check the Connection OK?
yes
Check speaker OK?
yes
Replace Main Board
no Replace DVD Drive
no Exchange AV cable
no Reinsertion
no Change the speaker