[TechAssist] Re: JVC AV-27920 (D422) Zener
- From: peggs <peggs@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx, <techassist@xxxxxxxxxxxxx>
- Date: Fri, 16 Apr 2004 12:46:36 -0700
la7833 i think
Peggs
At 09:52 AM 4/16/04, Ed Gaidies wrote:
>Bob;
>You are absolutely correct. All were bad. But alas...still flat lined. I
>presume I have a bad new Vertical O/P IC. Although it calls for a 7832 I
>replaced it with a 7830, which I think should be OK. But seems to me I had=
a
>bad batch of LA7830, because I had a ?? on the bag. So I'll order the=
LA7832
>and give it a fighting chance.
>Thanks.
>
>-Ed-
>
>-Ed-
>
>
>
>Tel-Tek Electronics
>Ontario-Canada
>
>teltek3@xxxxxxxxxxxx
>----- Original Message -----
>From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Friday, April 16, 2004 12:09 PM
>Subject: [TechAssist] Re: JVC AV-27920 (D422) Zener
>
>
> > See the following:
> >
> > 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) (75 volt zener)
> > D541 (part# RGP10J-5025-T3)
> > R541 (1.8 ohm, 2 watt)
> > C424 (100mfd/35v)
> > C425 (470mfd/35v)
> >
> > Bob Waterman, CET=AE #RI-28
> > Master Technician License #9109
> > Service Manager / Parts Manager
> > Gemini Computer, TV, & Security Alarms
> > (508)695-7302
> > (508)695-7769 FAX
> > geminitv@xxxxxxxxxxx
> > geminitv@xxxxxxx
> > www.geminicomputertvsecurityalarms.com
> >
> >
> > ----- Original Message -----
> > From: "Ed Gaidies" <teltek3@xxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, April 16, 2004 11:57 AM
> > Subject: [TechAssist] JVC AV-27920 (D422) Zener
> >
> >
> > > Anyone have a value for this zener from Pin 2 of vertical Output IC?
>Diode
> > > is designated D422.
> > >
> > > Thanks.
> > >
> > > -Ed-
> > >
> > >
> > >
> > > Tel-Tek Electronics
> > > Ontario-Canada
> > >
> > > teltek3@xxxxxxxxxxxx
> > >
> > >
> >
> >=
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