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Bush RF6694D TV Over-Underscan

I bought this 18months ago and it seriously underscans (by 2" vertical and 2" horizontal). I noticed more since I can tranfer the pictures to my PC and can see what I am missing.

The "ticker" on BBCNews24 is unreadable. On SkyNews I can just about see it. I didn't realise I was missing so much as the side aswell until ITV News went widescreen and I couldn't even notice any difference.

There is no facility to change the settings from any of the on-screen menus. I presume there is a hidden "installer menu" somewhere>

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Re: Bush RF6694D TV Over-Underscan

No there is nothing hidden menu in that. If the menu is available then it must be visible. I think you should take help of the Manual to set your configuration. And might be an TV Authorised person can solved it.

Posted on Dec 09, 2007

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My bush tv picture has suddenly doubled in size for no reason try changing the size with 16:9 button but makes no difference and ideas

if can not get with adjustment, you may have bad component in the main board. check for leak or bulged capacitors in vertical and horizontal section.

Aug 18, 2012 | Bush Standard (CRT) Televisions

1 Answer

Hi.. Mine is a sansui tv and I bought it 3 years back. Now it is showing a horizontal line on the screen. Sound is fine but I can't see the picture, I just see one white horizontal line on tv...

The problem is vertical failure. Vertical output section to your TV ahs the fault. You ahve to check the vertcial output circuit for any component failure or loose solderings.

May 11, 2012 | SansuiS3275 TV

1 Answer

I bought a samsung DNiejr 2 yrs ago and recently it has started making a sharp whistling sound. How can i repair this myself

The most likely problem is with the Switch Mode Power suplly (SMPS) However it cannot be confirmed as you did not mention whether the tv screen is dark or having any raster (lighted up).
Do you get the green LED ' Power on' indicator lighted up or stays red only.
If it is green your problem is either with the Horizontal/vertical output stage.

So state more about the current status of your TV

Apr 01, 2011 | Standard (CRT) Televisions

1 Answer

My bush tv has a light purple circle in the middle with a blue then green halo.It turns red to blue in the centre,is it worth repairing.

has any full tv image? if not is a vertical and horizontal circuits defectives, send to repair

Nov 22, 2009 | Bush 5693D 24" TV

1 Answer

Half screen

Hello xmen0614,

If the screen is halved in a horizontal fashion meaning that the screen only goes up half way this is an indication of a vertical deflection problem, quite possibly the vertical coupling capacitor or a problem with the vertical drive signal. If the TV is halved vertically meaning the either the left or right side of the TV is black while the other has picture, this could mean a problem with the damper diode, the Horizontal output Transistor, or the horizontal drive signal.

In either case I would suggest doing a ring test on the Yoke Transformer, The IHVT (Integrated High Voltage Transformer).
Also check the Vertical coupling capacitor, and the horizontal drive transformer (Ring test this).

You noticed that I included the Vertical and Horizontal sections? This is because you did not mention which direction your screen was halved in.

If it is halved to to bottom check the vertical circuitry, If it is halved left to right check the horizontal circuitry. For either one do a ring test on the Yoke Transformer.

I hope this helps,

Thank you,


Mar 23, 2009 | Sony FD Trinitron WEGA KV-32FS120 32" TV

2 Answers

TV shows only a thin horizontal light whenever i turn it on

there seems to be a problem with the vertical deflection ic or deflection yoke . try resoldering the vertical ic joints look for other loose solder joints around the vertical area on the circuitboard

Nov 17, 2008 | Standard (CRT) Televisions

1 Answer

TV screen dislay partial horizontal beam

This is a problem with the vertical circuit. Look for a small flat IC attached to a heatsink that will be marked LA7837 or something similar. It should have about 11 pins. Try resoldering the pins on that IC first. If that does not resolve the problem, replace the IC. There may be capacitors that require replacement in that circuit as well.

Keep us posted.

Oct 07, 2008 | Bush 5693D 24" TV

1 Answer

TV screen dislay partial horizontal beam

you had a problem on vertical section of your tv, if can fix it ,change the 100/50 volts capisitor on .vertical section or else all capasitors in vertical section

Oct 07, 2008 | Standard (CRT) Televisions

2 Answers

Bush RF6694D TV (Service Mode)


I may be able to help you but I need to know the chassis number of your tv set.
This will be on the back of the set on the same label as the model number or if not there it will be on the main pcb.
It could start with AK, or PT.


Dec 14, 2007 | Standard (CRT) Televisions

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No picture

a bright thin line in centre is called horizontal line. first of all do not keep tv on unless it is rectified. BUT If you want to put on tv keep brightness minimum to protect your screen for any demage. now solution your problem is in vertical section. 1 check vertical supply. 2 check parts in vertical section or loose contact. 3 yoke connrctor loose 4 ic defective It is not serious problem can be rectified easily

Sep 19, 2007 | Toshiba 32DF46 32" TV

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