[TechAssist] Re: JVC AV32320 (HELP)vert problem need help
- From: "John Conti" <contitv@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 28 Oct 2005 15:32:05 -0500
Terry, Just a thought, I don,t have a schem. on this but have you checked
the yoke return capacitor.
John
Conti, TV
Texas
>From: "Terry J Hutchison" <sony1@xxxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: techassist@xxxxxxxxxxxxx
>Subject: [TechAssist] Re: JVC AV32320 (HELP)vert problem need help
>Date: Fri, 28 Oct 2005 11:40:06 -0400
>
>What am I missing here?? I replaced d422 and d523 this produced 29vdc on
>pins 3&5 of IC421 and 15vdc on pin 2 I then replaced the IC again with
>absolutely no change in symptom on about 2 inchs of rastor in center of
>tube. I also replaced C523 1000@35 even tho it checked good. Sure would
>appreciate any advice. Windings on vert yoke read 9.3ohms. Thanks Terry
>
>Terry J Hutchison
>T&G TV Repair
>Kingsland GA.
>sony1@xxxxxxxx
>
>
> > [Original Message]
> > From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Date: 10/19/05 2:24:46 PM
> > Subject: [TechAssist] Re: JVC AV32320 vert problem need help
> >
> > Terry I sent the wrong schematic I will send the right one next..Eric
> >
> >
> > Eric
> > E M Electronics
> > 59 Wights Rd
> > Deer Lake NL
> > Canada
> > A8A 2J2
> > Ph# 709 635 2627
> > tvman@xxxxxxxxxxxxxxx
> >
> >
> >
> >
> >
> > Terry J Hutchison wrote:
> > > I was able to download the file, but are these prints close enough to
>my
> > > chasis? Terry
> > >
> > > Terry J Hutchison
> > > T&G TV Repair
> > > Kingsland GA.
> > > sony1@xxxxxxxx
> > >
> > >
> > >
> > >>[Original Message]
> > >>From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
> > >>To: <techassist@xxxxxxxxxxxxx>
> > >>Date: 10/19/05 11:33:42 AM
> > >>Subject: [TechAssist] Re: JVC AV32320 vert problem need help
> > >>
> > >>Hi Terry it,s a pdf file so it should open ok if you have Adobe 5 or 6
> > >>I will sent it again let me know if you get it ,,,Eric
> > >>
> > >>
> > >> Eric
> > >>E M Electronics
> > >>59 Wights Rd
> > >>Deer Lake NL
> > >>Canada
> > >>A8A 2J2
> > >>Ph# 709 635 2627
> > >>tvman@xxxxxxxxxxxxxxx
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>Terry J Hutchison wrote:
> > >>
> > >>>Seems there was a problem with the upload I cannot download it here
>or
> > >
> > > at
> > >
> > >>>my home computer. Could you give it another try please. Really
> > >
> > > appreciate
> > >
> > >>>the help. Terry
> > >>>
> > >>>Terry J Hutchison
> > >>>T&G TV Repair
> > >>>Kingsland GA.
> > >>>sony1@xxxxxxxx
> > >>>
> > >>>
> > >>>
> > >>>
> > >>>>[Original Message]
> > >>>>From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
> > >>>>To: <techassist@xxxxxxxxxxxxx>
> > >>>>Date: 10/18/05 10:11:52 AM
> > >>>>Subject: [TechAssist] Re: JVC AV32320 vert problem need help
> > >>>>
> > >>>>Terry print coming to your email next .It,s 1.4 meg pdf..Eric
> > >>>>
> > >>>>
> > >>>> Eric
> > >>>>E M Electronics
> > >>>>59 Wights Rd
> > >>>>Deer Lake NL
> > >>>>Canada
> > >>>>A8A 2J2
> > >>>>Ph# 709 635 2627
> > >>>>tvman@xxxxxxxxxxxxxxx
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>>Terry J Hutchison wrote:
> > >>>>
> > >>>>
> > >>>>>This one is driving me crazy, I have approximately 2 inchs of
>rastor
>in
> > >>>
> > >>>center of screen. D422 feeds pin 2 of IC421(LA7841) and is providing
> > >
> > > 15.80
> > >
> > >>>vdc to pin 2. D421 feeds pins 3 and six I have 37.1vdc on pin 3 and
> > >
> > > 30.03
> > >
> > >>>on pin 6. Pin 1, .006, pin4, 2.6vdc, pin5, 2.6vdc and pin7, 8.95 vdc.
>I
> > >>>have checked all the electrolitic caps in the cir with my analyzer
>and
> > >
> > > all
> > >
> > >>>check good. I have changed the vert IC twice the last time with a
>known
> > >>>good LA7841. The B+ to pins 3 and 6 seems to high to me but with no
> > >
> > > prints
> > >
> > >>>I am just guessing. Appreciate any help. Terry
> > >>>
> > >>>
> > >>>>>Terry J Hutchison
> > >>>>>T&G TV Repair
> > >>>>>Kingsland GA.
> > >>>>>sony1@xxxxxxxx
> > >>>>>
> > >>>>>
> > >>>
> > >>>
> > >
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