[TechAssist] Re: Toshiba Model 53H71 Chassis 0160 , F850 , F 851 , and F852 keep blowing

  • From: "Larry E" <videotech@xxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 8 Mar 2006 12:42:21 -0500

Dan, the 150`s are the "better" replacement STK`s for the 110`s, did you
replace the 3 fuses, solder both staples and replace the STK`s all at the
same time? Replacing the fuses and STK`s without re-soldering the staples
and then starting the set will short out one of the stk`s (pin 8 and 2
others on my set shorted to ground) Larry E
Larry Eastman
American TV & Electronics
Crystal River, Fl. 34428
----- Original Message -----
From: "Dan Williams" <wizhd@xxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, March 08, 2006 12:24 PM
Subject: [TechAssist] Re: Toshiba Model 53H71 Chassis 0160 , F850 , F 851 ,
and F852 keep blowing


> Mehdi, don't mean to steal your show,but I am having trouble with a
toshiba,
> same symptom. Is STK392-180 a good upgrade for STK392-110  ??? i have done
> the jumpers and stk's but still opens fuses at turn-on.
>
> Dan W
> Wizard Electronics
> wizhd@xxxxxxxxxxxxxxxx
> ----- Original Message -----
> From: "Shaun" <satguy@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, March 08, 2006 11:19 AM
> Subject: [TechAssist] Re: Toshiba Model 53H71 Chassis 0160 , F850 , F 851
,
> and F852 keep blowing
>
>
> > Either that or the loose connection on the pc board L7711 if I remember
> > right.
> >
> > Shaun
> >
> > Advanced Electronics
> > 224 West Riverview Ave.
> > Fort Morgan, CO 80701
> > ----- Original Message -----
> > From: "Nova Service Center" <mehdi@xxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Wednesday, March 08, 2006 9:49 AM
> > Subject: [TechAssist] Toshiba Model 53H71 Chassis 0160 , F850 , F 851 ,
> > and
> > F852 keep blowing
> >
> >
> >> Hi Everyone
> >>
> >> This Toshiba tv model # 53H71  and Chassis # TAC 0160  had a
convergence
> >> problem about 10 months ago . I replaced convergence IC's and tv worked
> >> fine. Now customer called me and tv is dead. I went there and find that
> >> F850 and F851 ( 5A fuse ) and F852 ( 2A fuse ) were bad , replaced them
> >> and they blown again. I do not have service manual to check and see
what
> >> are those fuses suppose to protect ? Could it be from convergence IC's
?
> >>
> >> Mehdi
> >> Nova Service Center
> >> 7531 Lindburgh Dr.
> >> Gaithersburg, MD 20879
> >> 240-632-1717
> >> mehdi@xxxxxxxxxx
> >>
> >>
>
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