[TechAssist] Re: JVC AV32920
- From: "john wilkerson" <ctn15261@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 18 Oct 2002 21:17:56 -0500
I just fixed a JVC AV-32920 for no sound. Q601 was bad. Remove collector of
Q601 to restore sound. Q601 is the speaker on/off switch.
John Q Wilkerson Jr
John Q's TV Repair
6942 Hwy 64 East
Selmer, Tenn 38375
731-632-1144
Fax(call first so I can turn on Fax)731-632-1144
ctn15261@xxxxxxxxxxxxxx
----- Original Message -----
From: Larry E. <videotech@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, October 18, 2002 2:15 PM
Subject: [TechAssist] Re: JVC AV32920
>
> Phil, I don`t have service manual so I ordered it from Vance Baldwin`s
> as a LA4485 and they sent a Sanyo which I think was what the original
> was but I`m not positive, Larry E.
>
> Phillip R. Hull wrote:
>
> > Generic IC or OEM??
> > Phillip R Hull
> > phil245@xxxxxxxxxxxxx
> > ----- Original Message -----
> > From: "Larry E." <videotech@xxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, October 18, 2002 2:58 PM
> > Subject: [TechAssist] JVC AV32920
> >
> >
> >
> >>Hi guys, JVC AV32920,VERY low audio, went out on this set 1 week ago and
> >>replaced D923 and R923 (B+ source off flyback), audio came up but very
> >>distorted, replaced audio chip IC601 and set worked fine. Now set is
> >>back at the shop with allmost no audio, with volume turned up to max you
> >>can just hear it through the speakers.With an audio tracer I have audio
> >>up to R601 & R603 chip mount resistors, but on the IC side it`s very
> >>low,both resistors read 5.68K in circuit and both have 4.54 volts on
> >>side away from IC, audio is ok at AV jacks, B+ to IC is 17.9v on pins
> >>7&8,IC does not run hot, I don`t have a service manual so any help is
> >>appreciated, tia, Larry E.
> >>
> >>--
> >>Larry Eastman
> >>American TV & Electronics
> >>Crystal River, Fl.
> >>http://www.tvjunkyard.com
> >>
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>
> --
> Larry Eastman
> American TV & Electronics
> Crystal River, Fl.
> http://www.tvjunkyard.com
>
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