[TechAssist] Re: JVC AV32920
- From: "Larry E." <videotech@xxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 18 Oct 2002 15:15:40 -0400
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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