Philips BDL4230E/00 Service Manual page 117

LCD Panel is no picture
Keypad LED is ON?
Yes
Power button operation is normal
Yes
Check POWER ON control pin is
High?
Yes
Check input source and path is
ready
Yes
Check LCD12V and LVDS power
sequence
Repair Flow Chart
No
Check power is correctly?
No
Check GPIO status
Check GPIO status
No
BDL4230E LCD 117