GSM-Forum - View Single Post - 6600 Display Back Light -check All Parts-any Chance To Uem?

zonetrichur · 12-13-2007, 12:13

I HAVE DONE MANT DISPLAY BACK LIGHT PROBLEMS-TODAY GOT ONE 6600-CHECKED USING ANOTHER DISPLAY AND ALL CONTINUITIES
1.LED PLUS AND MINUS PINS FROM D140 TO DISPLAY CONNECTOR
2.BATTERY VOLTAGE TO V164 AND D140
3.OTHER CONTINUITIES ALSO-ALL R OK

FINALLY REPLACED 3PIN TRANSISTOR9v164),8 PIN IC(d140) AND DIODE(v141)-STILL NO SCOPE

WHAT I DO AS A NEXT STEP?

THANK U

12-13-2007, 12:13	#1 (permalink)
zonetrichur No Life Poster Join Date: Mar 2006 Location: india Posts: 1,395 Member: 239168 Status: Offline Thanks Meter: 104	6600 Display Back Light -check All Parts-any Chance To Uem? I HAVE DONE MANT DISPLAY BACK LIGHT PROBLEMS-TODAY GOT ONE 6600-CHECKED USING ANOTHER DISPLAY AND ALL CONTINUITIES 1.LED PLUS AND MINUS PINS FROM D140 TO DISPLAY CONNECTOR 2.BATTERY VOLTAGE TO V164 AND D140 3.OTHER CONTINUITIES ALSO-ALL R OK FINALLY REPLACED 3PIN TRANSISTOR9v164),8 PIN IC(d140) AND DIODE(v141)-STILL NO SCOPE WHAT I DO AS A NEXT STEP? THANK U