[TechAssist] Re: '98 Toshiba PTV - Red Light Blinks - No Power

exactly--the hv will not come up---but the set will run with audio.  Cant
count how many times I've done it.

TV Doctor
Avalon, Wi.

----- Original Message -----
From: "Ron Miller d.b.a. Country TV" <rlmbkm@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, December 30, 2004 10:48 PM
Subject: [TechAssist] Re: '98 Toshiba PTV - Red Light Blinks - No Power


> Transistor?? Those are ICs!; also on a projection TV the vertical sweep is
> monitored and the hi-voltage will not come up or the video will blank to
> protect the CRTs. DON'T disable the vertical circuit!
> Country TV
> Ron Miller
> Inez, TX. 77968
>
> ----- Original Message -----
> From: "Jeff Farnsworth" <jlfonz@xxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, December 30, 2004 10:32 PM
> Subject: [TechAssist] Re: '98 Toshiba PTV - Red Light Blinks - No Power
>
>
> > Vertical output transistor---usaully IC301 or IC401 or IC451.  Probably
an
> > LA7838 or LA7836.  Just unsolder it and see if it fires up.  If it
> > does---the transistor is bad
> >
> > TV Doctor
> > Avalon, Wi
> >
> > ----- Original Message -----
> > From: "Bil Green" <tv.vcrrepair@xxxxxxxxxxx>
> > To: "Jeff Farnsworth" <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, December 30, 2004 10:26 PM
> > Subject: [TechAssist] Re: '98 Toshiba PTV - Red Light Blinks - No Power
> >
> >
> >> Hi Jeff,
> >>
> >> What's the vert "op" transistor (I don't have a print).
> >>
> >> Thanks
> >>
> >>
> >> Bil Green
> >> PC 1000
> >> Mammoth Lakes, CA 93546
> >> 760-924-1000
> >>
> >> Thursday, December 30, 2004, 7:31:58 PM, you wrote:
> >>
> >> JF> Unsolder the vertical op trans and see if it fires up.  Very likely
> > your
> >> JF> problem
> >>
> >> JF> TV Doctor
> >> JF> Avalon, Wi
> >>
> >> JF> ----- Original Message -----
> >> JF> From: "Bil Green" <tv.vcrrepair@xxxxxxxxxxx>
> >> JF> To: ".TECHASSIST @ freelists . org" <techassist@xxxxxxxxxxxxx>
> >> JF> Sent: Thursday, December 30, 2004 9:07 PM
> >> JF> Subject: [TechAssist] '98 Toshiba PTV - Red Light Blinks - No Power
> >>
> >>
> >> >> Toshiba TP43H95
> >> >> Chassis TAC 9860
> >> >>
> >> >> The set powers up for a second (you can hear the HV build up - then
> >> >> collapse)
> >> >>
> >> >> The relay does a double click and then the red LED starts blinking
> >> >> continuously. HOT not shorted.
> >> >>
> >> >> REPLACED the STK392-110 chips and sill no help.
> >> >>
> >> >> The customer is only in town for a few days ("second home") and I
> >> >> don't have the service manual. Any help would be much appreciated.
> >> >>
> >> >> Bil Green
> >> >> PC 1000
> >> >> Mammoth Lakes, CA 93546
> >> >> 760-924-1000
> >> >>
> >> >>
> >>
>
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> >>
> >>
> >>
> >
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