[TechAssist] Re: Sharp 1987, 25"TV, model 25MC157, shuts off.
- From: armando guerra <birdie@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 18 Dec 2003 15:00:20 -0700
Most of the time (because of its age) the problems are loose connections around
the hot and the driver transformer.Another common failure on this sets was
IC701.Its a 7pin reg.
Its been a long time and therefore,I can't remember the part #.Usually,this will
take care of the problem.
Mando
Birdie's Tv & Electronics
Casa Grande, AZ
Kevin wrote:
> This set was in another shop for dead. Set was repaired and worked fine
> in the shop, but in the home it only lasted 2-3 hours and then shut off
> by it self. When I tested it in the home the set came on for about 30
> seconds and then went into shutdown. When the power button is pressed
> the relay clicks off and on. Set is a console model and up 1 flight of
> stairs, so I pulled the chassis and took it back to my shop. Found some
> bad connections and a bad cap in the vertical section. The P/S looks
> very simple as does the deflection circuits. The signal circuit is on a
> large circuit board on the side of the console TV. Anybody have
> experience with this model of Sharp? I'm hoping I don't have to bring
> the whole set in. TIA.
>
> Kevin Wilks
> Kevin's TV & Video Repair
> Penticton BC Canada
> kevintv@xxxxxxx
>
>
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