[TechAssist] Re: Mitsubishi# VS6017. NO Sound NO Picture NO Filament
- From: "Ed Gaidies" <teltek3@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 7 Jan 2003 07:10:55 -0500
Leonard;
The parts and labour does not appear to be unrealistic. But considering the
age and realibilty of sets this age, and the advent of H/D coming on the
market, the educated consumer would be wise to think about retiring these
sets.
Not a good thing to hear from the Service Industry...but.....true.
-Ed-
Tel-Tek Electronics
Ontario-Canada
"If Apple and Microsoft can talk...why can't the rest of the World?"
teltek2@xxxxxxxxxxxx
----- Original Message -----
From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, January 06, 2003 5:21 PM
Subject: [TechAssist] Re: Mitsubishi# VS6017. NO Sound NO Picture NO
Filament
>
> I'd suggest checking all boards very carefully for leaky caps and bad
solder
> connections before spending much more time troubleshooting this one. This
> is a V12 chassis and we are starting to see extensive problems with leaky
> capacitors (Nichicon and Rubycon polar electrolytics, mainly) like in the
> V11 but not as bad (yet?). You can get all kinds of weird problems in
these
> sets and they are likely to be recalls if you don't go over them
thoroughly
> looking for the bad caps. We have had enough of these bounce by repairing
> the immediate problem and having other stuff show up shortly after that we
> will not do them at all without a complete rebuild. We generally replace
> 60-130 caps in a V11 and 30-60 in a V12.
>
> I commonly see enough electrolyte on the board at the vertical output IC
> that it causes shorts if you don't clean it off. This will cause shutdown
> and sometimes failure of a new chip.
>
> FYI, we charge $240 labor, typically $90-$150 parts, plus 2 service calls
at
> $50 each to pick up the boards and reinstall and align. If the tubes
don't
> test good we don't recommend repair. What are others charging to rebuild
> these sets?
>
> Leonard G. Caillouet
> Service Manager
> Electronics World
> Gainesville, FL
> 352-332-5608
> 352-332-5668 (fax)
>
> ----- Original Message -----
> From: "B R SEARCY" <rohou@xxxxxxx>
> To: "techassist" <techassist@xxxxxxxxxxxxx>
> Sent: Monday, January 06, 2003 10:51 AM
> Subject: [TechAssist] Mitsubishi# VS6017. NO Sound NO Picture NO Filament
>
>
> > HI Group
> > Mitsubishi #VS6017dead. Replaced vert.IC LA7838 checked caps and
> diodes.At this point have no schmatic. Found fuse open and IC900 shorted.
TV
> came on ,but still no picture. I can hear what sounds like the vertical
> running . I borrowed schmatic and checked all voltages coming out of power
> supply ,all are good . Checked voltage on vert. IC all good . checked
> filament at plug DS,2.3 volts . Voltage to hor section is good .27 volts
off
> fly is there . Whats blanking the video and sound and holding the filament
> down.All input appreciated.
> > Bob Searcy
> > Excellent tv
> > Ph 602 271-4461
> >
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