3. No Characters, Missing Color
Check M/B CN6 pin1~5
12V correct
Check LVDS cable
Check LCD Panel
Yes
Yes
Change M/B
Change LVDS cable
Check IF/B L24 5V
correct
Check IF/B to LCD cable
Yes
Yes
No
No
No
No
Change IF/B to LED
cable
Change IF/B
No Characters,
Missing Color
Philips BDL5545E 44