PHILIPS PET707
Manual de Servicio

5.0 TROUBLESHOOTING & SERVICE TIPS

SYMPTOM: THE INITIAL SCREEN IS NOT DISPLAYED ON THE LCD
Refer to the symptom NO POWER, NO GREEN LED

start

Check if the LED on the front lights up? yes

no

Replace broken harness

Repair connector

yes Open the top and bottom assembly to check the connector harness Is the connector harness broken? Remove the LCD cover and plate of the LCD unit to check the connector of the FL harness

no

Check if the backlight is OK?

no

no

Is the connector OK?

yes

yes

Replace FL inverter or LCD

Check if the lighting of the LCD is OK? yes

no

Open the top and bottom assembly to check the connector to the main board

Is the connector broken? yes Replace LCD harness or main board

no

Remove the LCD cover and plate of the LCD unit to check the connection of the harness to the LCD unit

Replace LCD unit or main board

Connect the LCD harness to the LCD unit

no

Is the connection OK? yes

Replace LCD unit or main board

SYMPTOM: NO IMAGE OR SOUND COMES OUT FROM THE EXTERNAL INPUT
start

Replace the main board or the connector