[TechAssist] Re: Sony TA-AX311 no display
- From: "becyn" <becyn@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 24 Sep 2004 19:12:09 -0400
Hmmm,
I am not familiar enough with that model from memory.
The only thing is that there might be a separate display driver IC apart
from the micro?
Otherwise it's time to find the SM and see what else that display needs to
light up. Seems that we've covered the usual suspects....
Jim McVey
McVey Alltronix
327 Broadway
Newburgh N.Y. 12550
Factory authorized
service for over 20
major brands.
845 561 8383
----- Original Message -----
From: "Shaun" <satguy@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, September 24, 2004 6:57 PM
Subject: [TechAssist] Re: Sony TA-AX311 no display
> I checked everything I can. I have -29 volts on the emitter of Q951
and -56
> volts on the Collector and -29 on the base. I checked D957 it is good.
R955
> was replaced it was open originally. I have 3.8 volt AC on the filaments
on
> the display board. I am assuming if there is -29 volts on the emitter of
> Q951 then the -29 volt source is good?
>
> Shaun
>
> Advanced Electronics
> 224 West Riverview Ave.
> Fort Morgan, CO 80701
> ----- Original Message -----
> From: "G.Larkman" <mail@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, September 24, 2004 2:38 PM
> Subject: [TechAssist] Re: Sony TA-AX311 no display
>
>
> > Check the -29v supply. The resistors feeding it usually go open.
> >
> > Glenn Larkman
> > Audiotech
> > 256 Nth Hwy 101
> > ENCINITAS CA 92024
> > 760 944 9048
> > FAX 944 0345
> > mail to"mail@xxxxxxxxxxxxx"
> > "www.audiotech.net"
> > ----- Original Message -----
> > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, September 24, 2004 12:30 PM
> > Subject: [TechAssist] Re: Sony TA-AX311 no display
> >
> >
> > Filament voltage is 3.8 volts AC
> >
> > Shaun
> >
> > Advanced Electronics
> > 224 West Riverview Ave.
> > Fort Morgan, CO 80701
> > ----- Original Message -----
> > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, September 24, 2004 12:10 PM
> > Subject: [TechAssist] Re: Sony TA-AX311 no display
> >
> >
> > > Funny!!! More input is everything else works. Has sound and all
> functions
> > > work just no display. I do not have the schematic so I don't know
where
> > the
> > > fil volt is. Ty told me he uploaded information for it in the audio
> video
> > > area so I will look at that.
> > >
> > > Shaun
> > >
> > > Advanced Electronics
> > > 224 West Riverview Ave.
> > > Fort Morgan, CO 80701
> > > ----- Original Message -----
> > > From: "becyn" <becyn@xxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Friday, September 24, 2004 10:11 AM
> > > Subject: [TechAssist] Re: Sony TA-AX311 no display
> > >
> > >
> > > > To quote a movie robot..."NEED INPUT"!
> > > >
> > > > Do the other functions work?
> > > > Is the filiment voltage present? (usually 3vac)
> > > >
> > > > Jim McVey
> > > > McVey Alltronix
> > > > 327 Broadway
> > > > Newburgh N.Y. 12550
> > > >
> > > > Factory authorized
> > > > service for over 20
> > > > major brands.
> > > > 845 561 8383
> > > > ----- Original Message -----
> > > > From: "Shaun" <satguy@xxxxxxxxxxxxx>
> > > > To: "tech" <techassist@xxxxxxxxxxxxx>
> > > > Sent: Friday, September 24, 2004 12:05 PM
> > > > Subject: [TechAssist] Sony TA-AX311 no display
> > > >
> > > >
> > > > > This is a last ditch effort on this unit. I replaced the display
> tube
> > > and
> > > > > R594 that was open. I also replaced Q951 with part number B1094.
It
> > > still
> > > > > has no display, everything else works on this unit and the little
> old
> > > lady
> > > > > loves her stereo so I am still trying to get it going. Any help?
> > > > >
> > > > > Shaun
> > > > >
> > > > > Advanced Electronics
> > > > > 224 West Riverview Ave.
> > > > > Fort Morgan, CO 80701
> > > > >
> > > > >
> > > >
> > >
> >
>
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