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Equipment Repairs => LCD TV forum => Topic started by: mikecarel on June 29, 2013,02:00:50

Title: Samsung LA32R81B Washout pictures
Post by: mikecarel on June 29, 2013,02:00:50

Hi,

I've got problem with my samsung LCD with model number LA32R81B, Its now having a washout pictures when powered on and normalized after 2 minutes. Tried to check everything on its power supply and found no faults on it. Please refer to link below for the clearer view of the problem.

http://i1210.photobucket.com/albums/cc402/mikecarel/20130627_205034.jpg

Hope someone clearly guide me to identify the root cause of this problem.

Tnx,

Mike

Title: Re: Samsung LA32R81B Washout pictures
Post by: t1412 on June 29, 2013,02:29:16

try and clean the ends of the  lvds cable that connects to the tcon board, and the connection on the tcon board use paper the abrasiveness will clean the contacts hope it works

regards
shaun

Title: Re: Samsung LA32R81B Washout pictures
Post by: downunder on June 29, 2013,05:04:53

I'd say you have a faulty AS-15G ic on the T=Con board.

Title: Re: Samsung LA32R81B Washout pictures
Post by: mikecarel on June 30, 2013,08:43:14

Thank for all the replies,

You are all right that the problem was in the t-con, using a x10 magnification lens I found a cold solder around the as15g chip. This was the cause of washout picture at cold start.

Thank you for pointing out where to start troubleshoting this problem. It is now working fine after resoldering the cold areas.

Tnx,

Mike