[TechAssist] Re: Toshiba Projo - TPT50F60 - Red Convergence Doesn't Align
- From: armando guerra <birdie@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 09 Nov 2004 15:01:57 -0700
There is about six 2.2 ohm resistors that you need to check.Also check the 68
ohm resistors.I have not had too many of them open up but better to be
safe.Usually replacing the stk's takes care of the problem.
Mando
Birdie's TV & Electronics
Casa Grande, AZ
David Lessard wrote:
> Mondo,
>
> You're right, TP50F60, not sure where I got the extra "T" from. A curved
> picture is one of the symptoms described by the customer so the STK's
> are most likely the problem. Another member mentioned to look at
> resistors in and around these STK's. Which ones are most likely to go
> bad when these IC's become defective.
>
> David Lessard
> Alexandria, Ontario. Canada
> mr_fixit@xxxxxxxxxxxx
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of armando guerra
> Sent: Tuesday, November 09, 2004 8:46 AM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: Toshiba Projo - TPT50F60 - Red Convergence
> Doesn't Align
>
> David, I hope you stay healthy.
> I am just wondering if you typed in the correct model #.I am thinking
> that its a
> TP50F60 but I could be wrong. I think that set uses the STK-392-110 and
> if
> does,there is where your problem is.Replace them both and do some minor
> convergence ajustments and all should be ok.This ic's when bad,will give
> you a
> distorded picture,including a curved pix and the red or blue way
> out.hth.
> Mando
> Birdie's TV & Electronics
> Casa Grande, AZ
>
> David Lessard wrote:
>
> > Hello Gentlemen,
> >
> >
> > Long time no talk, I've been quite ill the last 2 - 3 weeks but I'm
> > feeling much better now.
> >
> >
> >
> > Customer said power went out and when it came back on convergence (of
> > all three guns) were way off. Customer was able to align green and
> blue
> > but red doesn't move left or right (just up and down). Also, something
> > was mentioned about an hour glass pattern with the alignment grid. I
> > believe this TV uses a STK-393-010 for convergence. Has anyone seen
> this
> > problem before? I've never worked on one of these before and would
> > appreciate any help I can get. I do have a service manual for this
> model
> > kicking around somewhere, what I need is a little troubleshooting
> help.
> > Thanks.
> >
> >
> >
> > David Lessard
> >
> > Alexandria, Ontario. Canada
> >
> > mr_fixit@xxxxxxxxxxxx
> >
> >
> >
> >
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