CHAPTER 8
TROUBLE SHOOTING
Index of this chapter:
1. No Power
2. No Picture, No Backlight
3. No Characters, Missing Color
4. VGA mode always show “No Signal”
5. Video mode always show “No Signal”
1. No Power
Check LED, whether
LED is on or not
Check M/B L45 1.2V
correct
No
Change M/B
Yes
Yes
No
Change IO/B
Separate IO/B (connect
M/B and Power/B) J3
pin5 5V correct
Separate M/B J3 pin5
5V correct
Yes
Change IO/B
No
No
Change M/B
No Power
Philips BDL5545E 42