Philips PD7013 Service Manual page 14

5.0 TROUBLESHOOTING
SYMPTOM: KEY & BOTTON FAILURE
SYMPTOM: Key & Botton Fail
Start
Check CABLE form board to
board connection OK?
Yes
Check KEY board OK?
Yes
Replace main board
5-4
NO Cable Reinsertion
NO Replace KEY board
OK
OK Return to custormer