[TechAssist] JVC AV36320
- From: "markbrock" <markbrock@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 7 Jan 2005 08:14:15 -0600
dead, red led blinks, not made the service call yet but long way off would
like to make the repair same date any clues before my journey ? thanks in
advance
Brock Electronics
R.R.4 box 237
5208 cr.3385
Independence Ks. 67301
620-331-0235
fax 331-7191
markbrock@xxxxxxxxxxxxx
Zenith*Philips*Peavey*Fender*Crate
we work on all brands,makes,models
of anything that plugs in the wall
----- Original Message -----
From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, January 06, 2005 6:33 PM
Subject: [TechAssist] Re: JVC av-27920 amazing exloding V out!
> Perhaps this?
>
> JVC Vertical Failure
>
> You most likely have all or most of the following components defective in
> that unit (these are the usual bad components with vertical IC failure in
> these JVCs) so you better check or replace them all:
>
> IC421 (part# LA7832)
> D422 (part# MTZJ75-T2)
> D541 (part# RGP10J-5025-T3)
> R541 (1.8 ohm, 2 watt)
> C424 (100mfd/35v)
> C425 (470mfd/35v)
>
> 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@xxxxxxxxxxx
>
>
> ----- Original Message -----
> From: "becyn" <becyn@xxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, January 06, 2005 7:21 PM
> Subject: [TechAssist] JVC av-27920 amazing exloding V out!
>
>
> > Hello all,
> >
> > This JVC seemed to have a garden variety V-out failure (la7832).
> > The original had a little piece blown off, but the 27v limit resistor
and
> > rectifierdiode were OK. Th zener on the output is good too!
> >
> > After replacing it with a la7833 (same but higher current-i think), it
too
> > exploded almost immediatly upon power up.
> >
> > I did a resistance check between H and V yokes and measured open-OK.
> > Anyone ever encounter something like this?
> >
> > Jim McVey
> > McVey Alltronix
> > 327 Broadway
> > Newburgh N.Y. 12550
> >
> > *NOT* a NESDA member
> > Factory authorized
> > service for over 20
> > major brands.
> > 845 561 8383
> >
> >
> > --
> > Internal Virus Database is out-of-date.
> > Checked by AVG Anti-Virus.
> > Version: 7.0.298 / Virus Database: 265.6.7 - Release Date: 12/30/04
> >
> >
>
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