[TechAssist] Re: Panasonic ct-2747sft blows H.O.T. fixed
- From: "Mitchs Electronics" <Mitchstv@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 17 Oct 2002 16:20:49 -0500
Thanks Dan but your 1 minute to late, horz was sort of like a CTP-2780 which
let me find R764 collector of Q753 which had opened to 650 from 10 ohm, yoke
and form Caps were the first thing I checked. Green with no video threw me a
curve. hate it when I have to think that hard. :)
Rick Mitchell
M.H.E.S.C.
Mitchstv@xxxxxxxxxx
Lincoln, Nebraska
----- Original Message -----
From: "Webster TV" <webstertv@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, October 17, 2002 3:46 PM
Subject: [TechAssist] Re: Panasonic ct-2747sft blows H.O.T.
>
> Rick,
>
>
>
> Don't know if this will be of any help or not? Had a similiar problem with
a
> Quasar, Ch. # AEDC224. Set had shorted HOT. Replaced HOT and tried set at
> reduced AC voltage and smoke came from yoke. Replaced yoke, TV now came
on,
> but had blue and narrow raster, also controls on set(volume,channels,etc.)
> had no affect. Replaced eeprom IC, this brought ecerything back to normal,
> except for narrow picture. Found defective transister Q753 to solve narrow
> picture. Just thought I'd mention this incase it might be of some help.
>
> Dan Webster
> Webster's TV
> Shullsburg, Wi.
> ----- Original Message -----
> From: Mitchs Electronics <Mitchstv@xxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, October 17, 2002 1:12 PM
> Subject: [TechAssist] Panasonic ct-2747sft blows H.O.T.
>
>
> >
> > Has anyone seen this... Q551 HOT shorted and D552 also, all caps check
ok,
> > when set comes on have green raster, no video and slight hour glass
shape
> > pulled in on sides like low B+ or bad yoke. No print cant run more than
10
> > seconds h.o.t. gets well real hot. PS and gee this has that white
frosting
> > too, I always thought it was Cream Cheese. :)
> > Rick Mitchell
> > M.H.E.S.C.
> > Mitchstv@xxxxxxxxxx
> > Lincoln, Nebraska
> >
> >
> >
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