[TV] Re: RCA COMPACT AUDIO SYSTEM MODEL RS2600
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[TV] Re: RCA COMPACT AUDIO SYSTEM MODEL RS2600
Thanks, and a good show John. Terry J.
Quoting John Conti <contitv@xxxxxxxxxxx>:
> Terry, the correct # is tda7269. this ic has its own standby and mute
> circuit built inside . when i removed pins 7 and 11 I got audio on my scope
> so I think I have a bad audio amp. anyway I order one and I'll let you know
> how it turned out.
> thanks
> john
>
> >From: Terry Johnson <terryj@xxxxxxxxxxxx>
> >Reply-To: tv@xxxxxxxxxxxxxxx
> >To: tv@xxxxxxxxxxxxxxx
> >Subject: [TV] Re: RCA COMPACT AUDIO SYSTEM MODEL RS2600
> >Date: Tue, 5 Apr 2005 07:59:23 -0300
> >
> >Quoting Terry Johnson <terryj@xxxxxxxxxxxx>:
> > My mistake. John, is the IC a 11 pin sip? If so maybe its a NTE7146. I
> >had a
> >RCA that used that IC if so pin 9 is the B+ which should be 28 V. Also I
> >found
> >a regulator xstr that was faulty that supplied the pre-amps. Don't recall
> >the Q
> ># but a check of a few xstrs b-e bias may get you a clue. Terry J.
> > >
> > > Quoting John Conti <contitv@xxxxxxxxxxx>:
> > >
> > > > Terry, Its a situation where I can't hardly see the #of the ic.I
> >believe
> > > > it's a tda7269. I really don't think it's the ic. I can inject audio
> >signal
> > >
> > > > at various places and get it to come through. When i put a cassete
> >tape in
> > > I
> > > >
> > > > still have no audio. ON pin 3 of this ic I have 38 volts so this must
> >be
> > > the
> > > >
> > > > B= supply
> > > > Thanks John
> > > >
> > > >
> > > > >From: Terry Johnson <terryj@xxxxxxxxxxxx>
> > > > >Reply-To: tv@xxxxxxxxxxxxxxx
> > > > >To: tv@xxxxxxxxxxxxxxx
> > > > >Subject: [TV] Re: RCA COMPACT AUDIO SYSTEM MODEL RS2600
> > > > >Date: Mon, 4 Apr 2005 13:44:07 -0300
> > > > >
> > > > >What is the # on the original IC? Terry J.
> > > > >
> > > > >Quoting John Conti <contitv@xxxxxxxxxxx>:
> > > > >
> > > > > > Have no audio output. does any one have the pin configuration to
> >ic501
> > >
> > > > >the
> > > > > > output. I need to check the b+ and the input and output. side. ic
> >stays
> > >
> > > > >cold
> > > > > >
> > > > > > so it may not be getting the b+ source.
> > > > > >
> > > > > > thanks again
> > > > > > john
> > > > > >
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