[TechAssist] Re: Panasonic CT-36D30B Almost fixed
- From: "Larry E." <videotech@xxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 25 Jun 2003 22:36:00 -0400
Bill, thanks for the reply, No IC`s have been changed yet, Larry E
Bill Dravenstott wrote:
> You didn't happen to replace the MCU in that unit did you? I just fought a
> tough Panasonic and it turned out the IC was a mismatch. All the numbers
> were the same on them so must have been factory mislabeled. Luckily the old
> MCU was OK and only the reset IC was bad. When I reinstalled IC the sound
> menu had changed( it also had that AI listed) and the sound was then good.
> Just a thought. We fought ours for 4 weeks of ordering parts and
> schematics.
>
> Bill Dravenstott
> Elza's Home Store, LTD
> 924 Uniion Street
> Ashland, OH
> cdravens@xxxxxxxxxx
>
> ----- Original Message -----
> From: "Larry E." <videotech@xxxxxxxxxxxx>
> To: "tech-assist" <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, June 25, 2003 4:57 PM
> Subject: [TechAssist] Panasonic CT-36D30B Almost fixed
>
> > Hi Guys, with a lot of help from Kevin Harris at Tritronics I`ve almost
> > got this
> > audio problem found, He couldn`t e-mail the schematic because it`s too
> > large so he gave me the audio in & outs. I have audio going into pin(s)
> > 33 & 35 of IC3001, but
> > it`s not coming out of this IC at pins 28 & 30. I jumpered the audio
> > from pins
> > 33 & 35 directly to pins 2 & 5 of the audio output (IC2302) and audio
> > does
> > come out of the speakers at of course a low level, Before I order this
> > fairly large IC
> > I`d like to check Vcc on the IC to make sure it`s the IC that has
> > failed, Can someone tell me what pin Vcc on IC3001 is and what the
> > voltage is supposed
> > to be ? Speakers are turned on in cust. menu, also says "AI sound on" I
> > have no idea what that is supposed to be, thanks for your help, Larry E
> >
> > Larry Eastman
> > American TV & Electronics
> > Crystal River, Fl. 34428
> >
> >
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