LCD TROUBLE SHOOTING GUIDE(2/2)
NO
LCD MODE CONT SIGNAL?
MAIN B/D Check
ALL LOW(MORMAL CONDITION)?
YES
NO
TFT LCD PRESSURE VOLTAGE?Power source and D2,D3,U4 Check
+15V,- 14.5V,+5V
YES
NO
TFT LCD NORMAL?Replace
YES
NO
COLOR ADJUSTING NORMAL?Readjust as adjustement standard
YES
NO
EACH CONNECTOR?Replace and Reassemble
YES
NO
ENDReplace
3-4 |