3210 LCD fadeing - GSM-Forum

masterID · 11-09-2001, 13:45

There is a 3210 with LCD that fading awey after some minutes. And come back the contrast with makeing presure on its upper, left-upper side.

I have build in a little pace of paper bettwen the front cover and LCD frame. Its jus longer a little the good operation.

I clean all contacts and refit the metal frame to the LCD, but no succes.

If I put some little glue to between the board 8 conntacts (the contacts on the board will stay free of glue of course) and the rubber connection, is this fixed my problem? Or this phenomena neans that my rubber connectors is wrong that I have to change that insted making glue?

D-Brain · 11-09-2001, 21:03

Change the RUBBER Connector of the display, and all should go ok!

ambot · 11-10-2001, 13:59

check the LCD first if there's a capacitors (2pcs) underneath (upper right).. If yes, then resolder this capacitors and without a soldering lead (do not prolong the contact of the iron to the capacitor just for a second only)... before heating the contacts of the capacitor put a little pressure on top of it, use a small screw driver (be careful not to slip the capacitor), then after heating up the contacts put some glue or loctite at both sides (not on the contact points)... be careful!!!

chrisro · 11-11-2001, 17:20

I've reppaired 2 LCDs with hot air!!! One was fadeing and second was totally dead. Thanks for good advice!

Sandman · 11-14-2001, 19:05

try to replace c401 if it still fades tyhen try retouch the 2 capacitors of the lcd.i mean remove them and replace with new ones!i've tried it many times and it works 100%.

 -----------------------------------

 kick butt first, take names later <img src="biggrin.gif" border="0">

masterID · 11-20-2001, 13:39

Thx all advice,

I solved this problem 1 week before. I changed elastomer. LCD works good now <img src="smile.gif" border="0"> I very very cleaned with rubber and aceton the wrong elastomer, and it get better! So it is OK with both of elastomers!

My first action with glue, hm.. it was a silly thing: LCD showed me nothing, but fortunatelly the aceton-solver helped me <img src="smile.gif" border="0">

Thnx again!

11-09-2001, 13:45	#1 (permalink)
masterID Freak Poster Join Date: Sep 2001 Location: Hungary Age: 49 Posts: 307 Member: 6472 Status: Offline Thanks Meter: 1	3210 LCD fadeing There is a 3210 with LCD that fading awey after some minutes. And come back the contrast with makeing presure on its upper, left-upper side. I have build in a little pace of paper bettwen the front cover and LCD frame. Its jus longer a little the good operation. I clean all contacts and refit the metal frame to the LCD, but no succes. If I put some little glue to between the board 8 conntacts (the contacts on the board will stay free of glue of course) and the rubber connection, is this fixed my problem?<br />Or this phenomena neans that my rubber connectors is wrong that I have to change that insted making glue?

11-11-2001, 17:20	#4 (permalink)
chrisro Freak Poster Join Date: Aug 2001 Location: Gdynia, Poland Age: 46 Posts: 258 Member: 6060 Status: Offline Thanks Meter: 0	I've reppaired 2 LCDs with hot air!!!<br />One was fadeing and second was totally dead.<br />Thanks for good advice!

11-14-2001, 19:05	#5 (permalink)
Sandman No Life Poster Join Date: Nov 2001 Location: Never Land Posts: 924 Member: 7277 Status: Offline Sonork: 100.42158 Thanks Meter: 68	try to replace c401 if it still fades tyhen try retouch the 2 capacitors of the lcd.i mean remove them and replace with new ones!i've tried it many times and it works 100%. <br />----------------------------------- <br />kick butt first,<br />take names later<br /> <img src="biggrin.gif" border="0">

11-20-2001, 13:39	#6 (permalink)
masterID Freak Poster Join Date: Sep 2001 Location: Hungary Age: 49 Posts: 307 Member: 6472 Status: Offline Thanks Meter: 1	Thx all advice, I solved this problem 1 week before. I changed elastomer. LCD works good now <img src="smile.gif" border="0"> <br />I very very cleaned with rubber and aceton the wrong elastomer, and it get better! So it is OK with both of elastomers! My first action with glue, hm.. it was a silly thing: LCD showed me nothing, but fortunatelly the aceton-solver helped me <img src="smile.gif" border="0"> Thnx again!

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11-09-2001, 21:03	#2 (permalink)
D-Brain Freak Poster Join Date: Nov 2001 Location: Italy Posts: 184 Member: 7301 Status: Offline Thanks Meter: 0	Change the RUBBER Connector of the display, and all should go ok!

11-10-2001, 13:59	#3 (permalink)
ambot No Life Poster Join Date: Apr 2001 Location: Philippines Posts: 535 Member: 4274 Status: Offline Thanks Meter: 18	check the LCD first if there's a capacitors (2pcs) underneath (upper right).. If yes, then resolder this capacitors and without a soldering lead (do not prolong the contact of the iron to the capacitor just for a second only)... before heating the contacts of the capacitor put a little pressure on top of it, use a small screw driver (be careful not to slip the capacitor), then after heating up the contacts put some glue or loctite at both sides (not on the contact points)... be careful!!!