[TechAssist] Re: SONY KV35S26 HOT blows after 5 minutes
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 15 Dec 2003 20:02:25 -0500
I usually replace the small electrolytic (C502, 0.47mfd/50V) off the base of
the horizontal driver transistor. I have seen this cause premature HOT
failure. I have also seen quite a few flybacks cause it as well but I would
try the cap first.
Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager / Parts Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxxxxxxx
geminitv@xxxxxxx
www.geminicomputertvsecurityalarms.com
----- Original Message -----
From: "becyn" <becyn@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, December 15, 2003 6:10 PM
Subject: [TechAssist] SONY KV35S26 HOT blows after 5 minutes
> This set had a shorted H out and, of course, the obligatory shorted
shorted 2sc4834's.
> After replacement, the set looked good for about 5 minutes before going
back to square one. I did finger check the sink after the first 2 minutes
and it seemed normal.
>
> The driver transformer was soldered and other joints were touched up
before it was turned on.
>
> Anyone had this experience with this model??
>
> Jim McVey
> McVey Alltronix
> 327 Broadway
> Newburgh Ny 12550
> ph: 845 561 8383
> fx: 845 561 9017
> Consumer electronics &
> computer service.
> Factory authorized for
> over twenty brands.
>
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