[TechAssist] Re: Toshiba TP50F90 color intermittent
- From: tjanphyl@xxxxxxxxxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 25 Nov 2005 16:51:57 -0500
have bad via's ????
Phil
Phil Bader, Pres.
Jan Phyl TV Inc
Winter Haven, Fl
(863) 299-8821
Confounding the wise since 1976
personal email: pbader@xxxxxxxxxxxxxxx
----- Original Message -----
From: becyn <becyn@xxxxxxxxxx>
Date: Friday, November 25, 2005 1:46 pm
Subject: [TechAssist] Re: Toshiba TP50F90 color intermittent
> Yes, Toshiba's "hyper or scan converter pcb's have been dropping
> like
> flies lately around here.
> Some of them seem to have bad via's which are sensitive to
> tapping, or
> twisting the can slightly.
>
> Jim McVey
> McVey Alltronix
> 327 Broadway
> Newburgh N.Y. 12550
>
> "If it doesn't play...
> CALL MCVEY !!!!!!"
> Factory authorized
> service for over 20
> major brands.
> 845 561 8383
> (Last of the Mohegans)
>
> Carol Rundle wrote:
>
> > If your model has standup shielded module( hyper brd.) just
> behind A/V jack panel, try a little freeze, and heat, inside
> module. if it simulates your symtoms, remove brd., ESR lytics ,
> I've repaired several Toshiba hyper brd's, found
> weak,leaky smd lytics, usually find several (8-10)weak,leaky !
> Causing symtom's similar to your 's.. hth
> >
> >Bill
> > Bill'sTV
> > Sonora,Calif.
> >
> >
> >Ian Scott <service.depot@xxxxxxxxxxx> wrote:Hello, This set is in
> the customer's home and intermittently loses
> >color. When there is no color, the black and white picture has a
> noise>in it that appears like you're looking through a screen
> door. Both the
> >main picture and PIP will lose color. When I remove the rear
> cover to
> >work on it, after 10 minutes or so the problem won't occur
> anymore. I
> >have tried to heat up the pc boards with a hair dryer, but the
> symptom>won't return (until I leave). I suspect the comb filter.
> >The customer normally watches digital cable and he has had the
> cable box
> >replaced. I have asked the customer to try using his DVD to see
> if it
> >loses color as well, but so far the results are inconclusive.
> >Thanks in advance for any help.
> >Ian Scott
> >Service Depot
> >252 Lasalle Blvd.
> >Sudbury, ON
> >P3A 1W6
> >705-566-3557
> >Fax 705-566-3455
> >
> >
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> >Carol Rundle
> >brundle@xxxxxxxxxxxxx
> >
> >
> >
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