[TechAssist] Re: Sony KV-35s26- Runs 5 mins, blows H out-FIXED?
- From: "becyn" <becyn@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 30 Jan 2004 13:07:35 -0500
True enough, but it's function is base coupling.
The "culpret electrolytic" usually has the decoupling function located at
the "top" of the primary, at the joint of the dropping resistor. The value
is generally 1uf or so...
This set doesn't have it.
It turned out that I had a counterfeit H -out. Caveat Emptor!
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.
----- Original Message -----
From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, January 30, 2004 8:40 AM
Subject: [TechAssist] Re: Sony KV-35s26- Runs 5 mins, blows H out-FIXED?
> That set should have the electrolytic we are referring to. It is C502
> (0.47mfd/50V) off the base of Q501.
>
> 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: Thursday, January 29, 2004 5:50 PM
> Subject: [TechAssist] Re: Sony KV-35s26- Runs 5 mins, blows H out-FIXED?
>
>
> > Me thinks it WAS a crap transistor. Also R507
> > (47 ohm B-E shunt) looked a little suspect.
> > I stuck a 2sd1887 in it and it's still running.
> > This set does not have an electrolytic bypass cap. It has a snubber
using
> a
> > poly cap.
> >
> > 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.
> > ----- Original Message -----
> > From: "Keith Trumbla" <keith@xxxxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, January 29, 2004 1:58 PM
> > Subject: [TechAssist] Re: Sony KV-35s26- Runs 5 mins, blows H out
> >
> >
> > > Does the HOT run hot before it blows ? Are you sure you don't have a
> fake
> > > H.O.T ?
> > > And like Jeff said, check for that cap on the high side of the primary
> of
> > > the HDT
> > > HTH
> > > Keith Trumbla
> > > BEMelectronics.com
> > > Suite 212-530 Century St.
> > > Winnipeg Canada
> > > R3H 0Y4
> > > Ph.204.775.2875 Fax.204.774-9192
> > > ----- Original Message -----
> > > From: "Shoreline Electronics" <jstielau@xxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Thursday, January 29, 2004 12:46 PM
> > > Subject: [TechAssist] Re: Sony KV-35s26- Runs 5 mins, blows H out
> > >
> > >
> > > > Did you check the cap on H-drive primary?
> > > >
> > > > =================================
> > > > Jeff Stielau
> > > > Shoreline Electronics Repair
> > > > 344 East Main Street
> > > > Clinton,CT 06413
> > > > (860)399-1861
> > > > (860)664-3535 FAX
> > > > jstielau@xxxxxxxx
> > > > =================================
> > > > ----- Original Message -----
> > > > From: "becyn" <becyn@xxxxxxxxxx>
> > > > To: <techassist@xxxxxxxxxxxxx>
> > > > Sent: Thursday, January 29, 2004 2:26 PM
> > > > Subject: [TechAssist] Sony KV-35s26- Runs 5 mins, blows H out
> > > >
> > > >
> > > > > Hello all,
> > > > > I was wondering if anyone has had much experience with this
scenario
> > on
> > > > this model.
> > > > > As you know, when the H out goes, it takes the power drivers with
> it.
> > > I'm
> > > > not anxious to fix this dog 3 times in a row if I can help it.
> > > > >
> > > > > Is it the FBT ...or something else? I already soldered the driver
> > > > transformer the first time.
> > > > >
> > > > > Any thoughts on the subject would appreciated.
> > > > > Thanks
> > > > >
> > > > > 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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