[TechAssist] Re: GE PTV Model#46GW940 shuts down in 10 minutes
- From: "Robert Herring" <supertek66@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 6 Nov 2001 15:30:06 -0600
just fixed set with same symptoms
i defeated shutdown by shorting Q4901 base-emitter
after on awhile audio was getting distorted on one speaker. found audio
output ic U1901 breaking down intermittently
but always replace the parts you listed when serviceing this chassis
Robert
supertek66@xxxxxxxxxxx
robert_herring@xxxxxxxx
H&H Electronics Inc
Dallas,Tx. 75233
----- Original Message -----
From: "Maxwell Bailes Jr." <bailes4@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, November 06, 2001 9:01 AM
Subject: [TechAssist] Re: GE PTV Model#46GW940 shuts down in 10 minutes
>
> Hello,
> I changed CR4118,CR4401,CR4402,c4145,2.2uf 100V.,15uf
> 63V,47uf 50V. Checked C4401,C4402 they checked good.
> The set still goes into shutdown after a few minutes.
> The voltage at the cath. of CR4118 is 15V. til
> shutdown,then it goes to 7 to 9V. Same problem as
> before. Makes a loud pop through audio,when it
> shutsdown. Any help would be greatly appreciated.
> TIA
> Max
> --- Shoreline Electronics <jstielau@xxxxxxxx> wrote:
> >
> > You bet ! Change that diode (ECG580 or Equiv) also
> > change the 2.2uf & 15uf &
> > 47uf cap in the primary of the SMPS.
> >
> > Jeff Stielau
> > Shoreline Electronics Repair
> > 125 Beechtree Lane
> > Westbrook,CT 06498
> > 860-399-1861 Voice
> > 860-664-3535 Fax
> > jstielau@xxxxxxxx
> >
> > ----- Original Message -----
> > From: "Maxwell Bailes Jr." <bailes4@xxxxxxxxx>
> > To: "techassit" <techassist@xxxxxxxxxxxxx>
> > Sent: Tuesday, October 30, 2001 11:10 PM
> > Subject: [TechAssist] GE PTV Model#46GW940 shuts
> > down in 10 minutes
> >
> >
> > >
> > > Sorry forgot to put the chassis# in there
> > PTK169PVA
> > > Max
> > > --- "Maxwell Bailes Jr." <bailes4@xxxxxxxxx>
> > wrote:
> > > > Hello,
> > > > This set shuts down in about ten minutes. Hit
> > power
> > > > buttons comes back on,but shuts down in ten
> > minutes
> > > > again.Has a perfect picture when on. Everything
> > > > seems
> > > > to check ok, could cr4118 be causing something
> > like
> > > > this? It can check good,but breakdown under
> > load.
> > > > Anyone had this problem before.Any help would be
> > > > greatly appreciated.
> > > > TIA
> > > > Max
> > >
> > >
> > > =====
> > > Max Bailes
> > > Bailes Electronics
> > > Rt.4 Box57-A
> > > Hurricane,WV. 25526
> > > 304-562-7167
> > >
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>
> =====
> Max Bailes
> Bailes Electronics
> Rt.4 Box57-A
> Hurricane,WV. 25526
> 304-562-7167
>
> __________________________________________________
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