[TechAssist] Re: Subject: Zenith SL2784 (1994) No Start,blown H.O.T.
- From: Tonys TV <tonys.tv@xxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 08 Oct 2002 08:44:45 -0700
hi Bruce:
i don't know the exact parts number of the flyback,but it usually stamped on
the flyback itself.if you want to find out price,you can phone lg(zenith)
parts @ 905-568-6800 or 1-888-542-2623.
tony.----- Original Message -----
From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, October 08, 2002 6:45 AM
Subject: [TechAssist] Re: Subject: Zenith SL2784 (1994) No Start, blown
H.O.T.
>
> Yes Tony, the fuse is open and H.O.T blown ,could still be bad flyback
even
> though it checks good. In case it is , what are you paying for them out
your
> way? Do you have a part number for this piece. The power supply is running
> as far as I can tell. Can you pass on the information to confirm the horiz
> drive location unless it is scan derived. If it is there will probably
not
> need a print.
>
> thanks
> Bruce.
>
> ----- Original Message -----
> From: "Tonys TV" <tonys.tv@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, October 07, 2002 5:04 PM
> Subject: [TechAssist] Re: Subject: Zenith SL2784 (1994) No Start, blown
> H.O.T.
>
>
> >
> > hi Bruce:
> > i've work on many of this mosule (9-1268).if the hop transistor
> > shorted,normally is caused by faulty flyback transformer,also check for
> open
> > fuse toward the front of the module.i have the schematic (only one
> page,big
> > page).if you need it,i could fax it to you.give me your fax number.
> > tony @ tony's tv in victoria bc
> > phone:(250)595-5588
> > fax:(250)595-1777.
> >
> > ----- Original Message -----
> > From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
> > To: "Techassist@xxxxxxxxxxxxx" <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, October 07, 2002 1:06 PM
> > Subject: [TechAssist] Subject: Zenith SL2784 (1994) No Start, blown
H.O.T.
> >
> >
> > >
> > > Help needed,
> > >
> > > > Zenith SL2784BT (9-1268) Print ? Part information?.Needed. Audio
> > working,
> > > > no H.V.
> > >
> > > > Does any one have a print to loan on this 9-1268 module. Flyback
rings
> > > good?
> > > > I have 157 B+ .The Regulator circuit does not seem to be working
> > properly.
> > > > This set had both 2 amp fuses blown. and H.O.T blown. Replaced blown
> > parts
> > > ,
> > > > audio only working, will not start.
> > > > Soldered poor connections on sweep board. The picture tube probably
> > caused
> > > > the output to go and damaged the regulator circuit. The regulator
does
> > not
> > > > seem to be turned on , very distorted waveform. Multiple problems
may
> > not
> > > be
> > > > worth repairing, or buying print. Picture tube still questionable.
> > > > thanks for any information,
> > > > Bruce.
> > > >
> > > > B&T Electronics
> > > > 139 Margaret St
> > > > Sarnia Ontario
> > > > Canada
> > > > N7T 2Y3
> > > > (519) 344-1850
> > > > btied@xxxxxxxxxxxx
> > >
> > >
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