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Equipment Repairs => LCD TV forum => Topic started by: mav101 on April 07, 2010,07:14:54

Title: bush lcd tv
Post by: mav101 on April 07, 2010,07:14:54

 :wallbash:

 i have a bush lcd19w008hd which when i turn on picture is ok for few mins and then starts to flicker getting worse as time passes any ideas on repairing this or is it just fit to be put in bin

thanks in advance

Title: Re: bush lcd tv
Post by: chrissie jones on April 08, 2010,02:19:44

check 1000uf caps in power supply.good luck.

Title: Re: bush lcd tv
Post by: mav101 on April 08, 2010,05:20:11

 :cheesy1: cheers chrissie
this has an external psu 12v @ 5a  and looks sealed ?? any ideas on opening with out to much damage to no screws to be found on psu thanks

Title: Re: bush lcd tv
Post by: chrissie jones on April 08, 2010,05:26:29

have you checked the voltege comming out.

Title: Re: bush lcd tv
Post by: mav101 on April 08, 2010,05:31:31

voltage steady at 11.98v

Title: Re: bush lcd tv
Post by: tv tony on April 08, 2010,06:58:51

however these are notorious for failing causing back lights to go out and sound remaining, it seems that even the slightest dip turns the lamps off, is it the 4 pin one or the the single

Title: Re: bush lcd tv
Post by: mav101 on April 08, 2010,23:03:20

can u clarify 4 pin ? power supply is like laptop power supply it has 5 mm socket and plug center + positive outside - negative voltage steady at 11.98 v

thanks

Title: Re: bush lcd tv
Post by: tv tony on April 09, 2010,02:25:05

no problem, some vestels used a single pin, others a 4 pin plug, ill pm you now

Title: Re: bush lcd tv
Post by: mav101 on April 09, 2010,05:01:48

 :cheesy1: cheers tv tony all help welcome ..if it can be repaired all the better if not well it be consigned to the bin i guess

Title: Re: bush lcd tv
Post by: mav101 on April 11, 2010,08:05:31

 :clap: :clap: :clap: :clap: FOUND problem 1000uf 16 v cap and 470uf 16v cap were at fault they were on the left side of the board near the power jack one dry jointed ( if i hadnt moved it wudnt even notice  leg move ) other failing under load

thanks for all help and suggestions