Repair Flow Chart - Philips BDL4230E/00 Service Manual

116 BDL4230E LCD
System power ON?
Keypad LED_Red or IR LED_Org
Back light on ?
OSD image ok?
Input signal display?
Function ok?
Yes
ON ?
Yes
Yes
Yes
Yes
Audio ok?
Yes

Repair Flow Chart

1. Check wire cable connection between main
No
board and keypad
2. Check VCC Power 5V in
3. Check 3V3, 1V8, 2V5
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
No
Check wire cable connection between back
Check J24 LVDS cable connection
No
No Check input cable
No
1. Check audio input cable connection
2. Check wire cable connection between audio
No
Check every PCBA board function
Audio wire cable