[TechAssist] Re: JVC AV-27920 (D422) Zener

  • From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 16 Apr 2004 12:09:23 -0400

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® #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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