Repair Flow Chart - Philips BDL4651VH/00 Service Manual

System power ON?
Yes
Back light on
Yes
Check U38 U39 U43 output
voltage (1.8V,3.3V,2.5V) is correct
Yes
Yes
OSD image ok ?
Yes
Input signal display
Yes
Audio ok
Yes
Function ok?

Repair Flow Chart

1.Check wire cable connection between main
No board and keypad
2.Check VCC 5V in
Check wire cable connection between back
No
light and power board
Check which one is fail?
No
1.Check IR/Lign wire cable
No
or Sensor wire cable to check which one is
short to cause this fail
2. Check keypad board NG or OK
Check J24 LVDS cable connection
No
Check input cable
No
1. Check audio input cable connection
No
2. Check wire cable connection between audio
board and main board
No
Check main board function
BDL4651VH LCD 123
Audio wire cable