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Equipment Repairs => PLASMA TV forum => Topic started by: JAYROD on December 29, 2009,16:27:12

Title: SAMSUNG PS42A457P1DXXU
Post by: JAYROD on December 29, 2009,16:27:12

Tv stuck in standby,red led,no clicking relays.Power supply can be turned on if i pull the control line low (standby active high) and all voltages seem to be present and correct. No faulty electrolytics on board.
No service manual. Any ideas ?, eeprom corrupt perhaps ?

Any help appreciated phil.

Title: Re: SAMSUNG PS42A457P1DXXU
Post by: GGTVBD on August 12, 2010,05:39:52

Did you ever get to the bottom of this Phil?

I've got the 42" version with exactly the same fault.

Cheers.

Title: Re: SAMSUNG PS42A457P1DXXU
Post by: WILLYAM1 on August 12, 2010,15:12:21

hello phil.
usally the problem is one of the regulator 3.3v 1.8 or 2.5 in audio video board.
check whith scope for flat output.
hope it help.
willyam1

Title: Re: SAMSUNG PS42A457P1DXXU
Post by: kellylife on September 07, 2010,04:50:56

a little difficult for me to judge.

Title: Re: SAMSUNG PS42A457P1DXXU
Post by: samsung50plasma on September 13, 2010,09:49:02

 :sign0144: