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Equipment Repairs => PLASMA TV forum => Topic started by: call me al on September 14, 2013,05:50:58

Title: samsung ps42a456p2d stuck in standby
Post by: call me al on September 14, 2013,05:50:58

looking for help with this stuck in standby only red light no fuses blown or no obious shorts on psu panel psu panel no dyp-42w3 no relays clicking power not reaching primary circuit as relay rl801s/rl802s not closing if all leads disconnected from psu panel there are no op voltages present is it a power supply problem or elswhere any help much appreciated

Title: Re: samsung ps42a456p2d stuck in standby
Post by: jordan on September 14, 2013,08:05:46

I think it is defective motherboard

Title: Re: samsung ps42a456p2d stuck in standby
Post by: bas83 on September 15, 2013,11:09:16

i have one exactly the same, came in yesterday, havent had chance to look yet

Title: Re: samsung ps42a456p2d stuck in standby
Post by: watteau on September 17, 2013,07:40:20

Hi,
Is the standby voltage correct?
I had a PS42A457, with this fault, where this voltage was about 4.9v,
and was pulsing, and was the standby stage, smoothing capacitor,
(22ufd 450v I think).
Regards

Title: Re: samsung ps42a456p2d stuck in standby
Post by: bas83 on September 18, 2013,06:48:03

thank you watteau, it worked for me ,saved a lot of head scratching

Title: Re: samsung ps42a456p2d stuck in standby
Post by: call me al on September 18, 2013,07:54:56

many thanks changed cap worked perfect cap ref cb801 22uf 450v :c017: