[TechAssist] Re: Magnavox Mod# PR3446-A106 (PTV515-AHO1) need help
- From: "javiles6" <javiles6@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 20 May 2004 13:42:52 -0700
Peggs
Ok i checked the blue CRT for crack or coolant leakage but found none. But
there is a lot of contamination on the blue and green CRT. So i will go
ahead and put the resitor to see if it short out the HVOT or turns on. If it
turn on then i will go for the CRT, if not, then i will consider a rebuilt
board or a new flyback. Anyway, i`ll be in touch.
Thanks
Jose
----- Original Message -----
From: "peggs" <peggs@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>; <techassist@xxxxxxxxxxxxx>
Sent: Thursday, May 20, 2004 10:47 AM
Subject: [TechAssist] Re: Magnavox Mod# PR3446-A106 (PTV515-AHO1) need help
> in a PTV615 it's a .33 ohm, 483511657114
> same in a PTV630
> same in a PTV705 nad a PTV750.
> I'd use a .33 ohm,but your HOT may be eaten again,because you probably
have
> one of 2 things wrong.
> Check the Blue Pix tube for coolant leakage,possibly coolant in the neck
of
> the Tube.The face of the tube,usually one corner, cracks.
> The other may be a bad Flyback,if so,replace the entire PCB with a rebuilt
> one from
> tristate module.
> also,resolder the H drive transformer.
> Check Blue and Green picture tube for cloudy coolant
>
> Peggs
>
> At 10:47 AM 5/20/04, javiles6 wrote:
> >Peggs
> >
> >Yes there is a R934 connected to the emmiter of the HVOT and just a few
> >minutes ago while searching for more faulty part, found R934 open. But
the
> >color are so fade that i can`t tell the value. Do you or someone knows
the
> >value of this resitor. Any help is always appreciated.
> >
> >Thanks
> >
> >Jose
> >----- Original Message -----
> >From: "peggs" <peggs@xxxxxxxxxxxxx>
> >To: <techassist@xxxxxxxxxxxxx>; <techassist@xxxxxxxxxxxxx>
> >Sent: Thursday, May 20, 2004 9:31 AM
> >Subject: [TechAssist] Re: Magnavox Mod# PR3446-A106 (PTV515-AHO1) need
help
> >
> >
> > > is there an Emitter resistor in the circuit of the HOT(2SD1556)
> > > R934.....I'm thinking
> > >
> > > Peggs
> > >
> > > At 12:40 AM 5/20/04, javiles6 wrote:
> > > >Hello Techs
> > > >This set came in yesterday with sound but no picture. Found HVOT
> > > >shorted(D1556)(Q901) but before i install the new one (2SD1556) i
check
> > > >the surrounding parts that connect to the transistor, D910, R961 and
L903
> > > >and they check good. I also resolder the T901 just to make sure i
have no
> > > >problem. Now the set have High Voltage and the picture tubes filament
are
> > > >lighted but still have no picture. I also check the voltage on the
CRT
> >ckt
> > > >and is 225V on all three CRT resistors. Now i don`t have an high
voltage
> > > >probe so i don`t know if the high voltage is reaching the picture
tube
> > > >anode. Does someone have any idea or tips that can help me with. I`m
free
> > > >to any suggestion.
> > > >
> > > >Thanks
> > > >
> > > >Jose
> > > >
> > > >Aviles Computer & TV Repairs
> > > >508 Bingaman st
> > > >Reading, PA 19602
> > > >Tel # 610-478-1342
> > > >
> > >
> >
>---------------------------------------------------------------------------
> >--
> > > >Lost Password:
> > > >http://www.tech-assist.org and select "Login Problems?".
> > > >Email Archives:
> > > >//www.freelists.org/archives/techassist/
> > >
> > >
> >
> --------------------------------------------------------------------------
> >---
> > > Lost Password:
> > > http://www.tech-assist.org and select "Login Problems?".
> > > Email Archives:
> > > //www.freelists.org/archives/techassist/
> >
> >
>
>---------------------------------------------------------------------------
--
> >Lost Password:
> >http://www.tech-assist.org and select "Login Problems?".
> >Email Archives:
> >//www.freelists.org/archives/techassist/
>
>
> --------------------------------------------------------------------------
---
> Lost Password:
> http://www.tech-assist.org and select "Login Problems?".
> Email Archives:
> //www.freelists.org/archives/techassist/
-----------------------------------------------------------------------------
Lost Password:
http://www.tech-assist.org and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/
Other related posts:
