[TechAssist] Re: FIXED! Mitsubishi VS-4507R no Vertical Sync
- From: "Leonard Caillouet" <lcaillo@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 15 Aug 2004 20:58:03 -0400
Why? Because they are profitable repairs if you do enough of them to be
efficient at them, and we do. If the tubes are good and you are thorough
you can get a reliable fix and the customer will get a few more years out of
the set.
Why? because we are in the business of fixing things and fixing them right.
I agree that if the customer is not willing to pay for the full job, they
should replace the set.
I have posted the procedure we use on these sets to get all of the bad and
failing caps several times here and on sci.electronics.repair. If you
follow it and you get good at it, you can do one of these sets in about 5-6
hours of labor. I have my helper who is in the shop on Saturdays do most of
the work and he makes good $ for his experience level.
Mitsubishi had some bad batches of caps from Nichicon and Rubycon, and
perhaps others in the early 1990s. Hitachi had similar problems on a
smaller scale, as did Toshiba with the infamous caps in the vertical
circuits.
It is what we do Perry.
Leonard Caillouet
Electronics World
1261 NW 76 Blvd
Gainesville, FL 32606
352-332-5608
FAX 352-332-5668
----- Original Message -----
From: "Electric Medic" <info@xxxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, August 13, 2004 12:33 AM
Subject: [TechAssist] Re: FIXED! Mitsubishi VS-4507R no Vertical Sync
> There is no way in the world I am going to change 120 caps in those Mits.
> The customer couldn't afford to pay me all that labor. Not to mention all
> the customers that I have to put off while working on that dog. I get
those
> sets too and if it takes more than a handful of caps I tell the customer
to
> replace it. I also tell the customer that the caps I replaced are for this
> failure only, and if anymore fail there is no warranty on the repair. That
> is a different problem. I didn't design that mess. Why don't they fail
like
> that in all the other brands. Besides the Zenith C2212, and a few other
caps
> on that chassis, I don't see those types of failures regularly. The boards
> usually have that corrosion on them anyway from the leaking caps, and they
> stink, smells like dead fish. Why set yourself up for a failure. You can
> replace 120 caps and still miss just one and it looks like to the customer
> that you did a horrible job. My opinion is if those sets come in, be
honest
> with the customer and tell them to Replace.
>
> Perry Bower
> Electric Medic
> "It's Cheaper to Keep Her"
> http://www.electricmedic.com
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> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Leonard Caillouet
> Sent: Wednesday, August 11, 2004 8:40 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: FIXED! Mitsubishi VS-4507R no Vertical Sync
>
>
> You can expect this one back soon if you don't check every polar
> electrolytic on all five major boards for leakage and ESR. We do dozens
of
> these and they ALL have between 60-120 bad caps causing all kinds of
> frustrating problems. We don't even touch them unless the customer agrees
> to a complete rebuild up front.
>
> Leonard Caillouet
> Electronics World
> 1261 NW 76 Blvd
> Gainesville, FL 32606
> 352-332-5608
> FAX 352-332-5668
>
> ----- Original Message -----
> From: "John @ Myers TV" <myers_tv@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, August 11, 2004 6:57 PM
> Subject: [TechAssist] FIXED! Mitsubishi VS-4507R no Vertical Sync
>
>
> > Found it. C2B14 in the base of the Sync buffer circuit was open. This
was
> on
> > the PCB-VIDEO
> >
> > John Myers
> > Myers TV Service Since 1984
> > Alliance, OH
> > ph 330-821-6545
> > myers_tv@xxxxxxxxxxxxx
> > www.alliancetvrepair.com
> > ----- Original Message -----
> > From: "becyn" <becyn@xxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Wednesday, August 11, 2004 6:33 PM
> > Subject: [TechAssist] Re: Mitsubishi VS-4507R no Vertical Sync
> >
> >
> > > Isn't that one of those golden oldies that have the bad PIP board?
That
> > > thing will give a host compsite/sync distortion problems. Just a
> > thought....
> > >
> > > Jim McVey
> > > McVey Alltronix
> > > 327 Broadway
> > > Newburgh N.Y. 12550
> > >
> > > Factory authorized
> > > service for over 20
> > > major brands.
> > > 845 561 8383
> > > ----- Original Message -----
> > > From: "John @ Myers TV" <myers_tv@xxxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Wednesday, August 11, 2004 6:17 PM
> > > Subject: [TechAssist] Mitsubishi VS-4507R no Vertical Sync
> > >
> > >
> > > > Hi,
> > > >
> > > > This has no vertical sync. I've replaced the lytics in the vertical
> > > circuit.
> > > > Also, C2046, C2048 in the Y amp circuit.
> > > >
> > > > Any ideas?
> > > >
> > > > John Myers
> > > > Myers TV Service Since 1984
> > > > Alliance, OH
> > > > ph 330-821-6545
> > > > myers_tv@xxxxxxxxxxxxx
> > > > www.alliancetvrepair.com
> > > >
> > > >
> > >
> >
>
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