Ed, before you go much further on that set, check the yoke. I have had several of that model in the last year or two with failed yokes. Tom Tom Sherman Bayside Electronics Digby, NS Canada Phone/Fax (902) 245-5375 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® #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 >>> >>> >>> >>> >>-------------------------------------------------------------------------- >>--- >> >> >>>Lost Password: >>>http://www.tech-assist.org and select "Login Problems?". >>>Email Archives: >>>//www.freelists.org/archives/techassist/ >>> >>> >>> >> >>-------------------------------------------------------------------------- >> >> >--- > > >>Lost Password: >>http://www.tech-assist.org and select "Login Problems?". >>Email Archives: >>//www.freelists.org/archives/techassist/ >> >> > > >----------------------------------------------------------------------------- >Lost Password: >http://www.tech-assist.org and select "Login Problems?". >Email Archives: >//www.freelists.org/archives/techassist/ > > > -- ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/