[TechAssist] Re: BUSH 2568 NTX - any info at all?

  • From: "babalino" <babalino@xxxxxxxxxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Mon, 21 Jan 2002 16:25:33 -0000

It has total vertical collapse (white line across centre of screen).
I have checked vertical output chip, connections etc (caps also). No visible
dry joints either.
However, when I turn the screen voltage up
slightly, I see a pincusion type fault and 1/2 of the screen is grey,(top
half is still black) with raster lines, bunching together on the right of
the TV (spaced out better on the left though)
Thought it may be one of the video driver transistors (yoke only getting one
polarity) - in which case it might be worth my while trying to replace the
vertical output chip.  It is the E-W in conjunction with 1/2 screen that is
puzzling me

Any ideas?
Regards

------------------------------------------

----- Original Message -----
From: "Charles Belich" <seashell@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, January 21, 2002 5:37 PM
Subject: [TechAssist] Re: BUSH 2568 NTX - any info at all?


>
> What doesn,t work on the TV?  Do you have 130v on HOT?  Does the relay
> click? Fuses OK? Any fusable resistors (1 ohm ) toasted ?  Audio ? When
you
> turn up the screen cntrl do you see a horizontal white line ? Does it draw
> any AC current from the 120v line? Will it start with reduced line
voltage?
> Tuner problem?  Let us know...............Charlie
>
> Charles Belich
> Slidewire Electronics
> 108 S. 1st. Ave KL
> Hibbing , MN 55746
> Mailto:seashell@xxxxxxxxxx
> Ph: 218-263-7090
> ----- Original Message -----
> From: "babalino" <babalino@xxxxxxxxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, January 21, 2002 1:28 AM
> Subject: [TechAssist] Re: BUSH 2568 NTX - any info at all?
>
>
>
> Hello, R629 ok, this is the only troubleshooting tip that I could find on
> this model (value is 2.2 ohms on my tv)
> Thanks
>
> ----- Original Message -----
> From: "Charles Belich" <seashell@xxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, January 21, 2002 4:11 AM
> Subject: [TechAssist] Re: BUSH 2568 NTX - any info at all?
>
>
> >
> > Lack of width = R629 2r7 check solder in this area...........Charlie
> >
> > Charles Belich
> > Slidewire Electronics
> > 108 S. 1st. Ave KL
> > Hibbing , MN 55746
> > Mailto:seashell@xxxxxxxxxx
> > Ph: 218-263-7090
> > ----- Original Message -----
> > From: "babalino" <babalino@xxxxxxxxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Sunday, January 20, 2002 4:57 PM
> > Subject: [TechAssist] BUSH 2568 NTX - any info at all?
> >
> >
> >
> > Hi, anybody out there got ANY info on the tv BUSH 2568 NTX - getting
info
> on
> > this tv is extrememly difficult.
> > All the best
> >
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