[TechAssist] Re: SONY TV VERTICAL NOT FULL
- From: Frank Luu <fkluu@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 7 Jan 2002 15:01:48 -0800 (PST)
I don't have service manual for this,How old is this
TV? For new TV you may have to go to setup menu and
adjust Vertical size. I think this will fix it. You
may also check the position of the deflection yoke...
Frank
--- VRM <vrmsys@xxxxxxxxxxxx> wrote:
> Hello;
>
> I will be very pleased if someone can help me repair
> this SONY TV with a vertical deflection Problem.
>
> The SET is a SONY 29 inch with MODEL number
> KV-29MF1, which powers up well, but having a
> vertical deflection (Picture) covering/centered
> around 80% of the screen. The SET has a vertical
> deflection booster IC TDA9379, which I suspected to
> be faulty and changed it, in addition to all
> electrolytic capacitors located in the vertical
> deflection section - i.e. a valuable suggestion from
> response from a TECH ASSIST reply.
>
> The deflection loss is JUST the TOP and DOWN. I have
> good signal RECEPTION. The IMAGES are complete, i.e
> FULL image displayed, BUT my problem is TOP and DOWN
> vertical deflection shortage.
>
>
> The fault is still not repaired, aside that, the
> Vertical IC warms up INCREASINGLY at power up.
> Actaully I don't have a schematic diagram for this
> SET.
>
> Would someone be willing to provide suggestions or
> ideas as to what next I can touch to help solve this
> problem.
>
> WISHING YOU ALL the BEST OF the SEASON - Thanks a
> lot.
>
> Viktoria
>
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