[TechAssist] Re: Toshiba TV CX28409 TAC8915 FIXED
- From: "David" <mrfixit@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 31 Mar 2003 21:22:52 -0500
Upon closer inspection I found additional bad solder joints around heat
stress power resistors. Guess my eyes aren't as good as they use to be...
David Lessard
Alexandria Electronics
Alexandria, Ontario, Canada
mrfixit@xxxxxxxxxxx
-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of al m
Sent: Sunday, March 30, 2003 9:41 PM
To: al m; techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: Toshiba TV CX28409 TAC8915
OH! I'm sorry forgot about 1 it was the shutdown circuit. Had a leaky
transistor in it would shut down on turn in.
al marquardt
ampm@xxxxxxx
----- Original Message -----
From: "al m" <ampm@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Sunday, March 30, 2003 9:30 PM
Subject: Re: [TechAssist] Toshiba TV CX28409 TAC8915
> Don't know if you checked them yet but check the 9V regulator for bad
> connections. Don't see many Toshiba's around here but that was a fix for 2
> of them.
> al marquardt
> ampm@xxxxxxx
>
>
> ----- Original Message -----
> From: "David" <mrfixit@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Sunday, March 30, 2003 8:31 PM
> Subject: [TechAssist] Toshiba TV CX28409 TAC8915
>
>
> >
> > Set came in with linearity problem. Replaced C301 & C305, linearity OK
> now.
> > Now...shutdown usually within 10 minutes of operation, set does not need
> to
> > be unplugged after shutdown occurs (press ON button is all that is
> > required). +B seems stable at shutdown, not ruling out HV shutdown. Is
> > something is the SMPS causing this? I don't have a service manual on
this
> > chassis, any help would be greatly appreciated. Thanks in advance.
> >
> > David Lessard
> > Alexandria Electronics
> > PO Box 1366
> > Alexandria, Ontario
> > K0C-1A0
> > Canada
> > mrfixit@xxxxxxxxxxx
> >
> >
> >
>
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