Question about Zenith Z25X22S 25" TV

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Out of focus

Can't read text on the Weather Network for example. Picture generally blurry.

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  • Michael StLeigh Apr 05, 2007

    it's a 98 and certainly not worth spending money on. Is the focus control the potentiometer at the back of the tube?
    tx

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The focus control is on the high voltage transformer. These Zeniths were common to have the CRT's fail and cause a blurry dark picture. If the focus control doesn't do much then your CRT is bad.

Posted on Apr 05, 2007

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How old is the set? If picture is really very blurry, Try adjusting 'focus'. You can find this conttrol generally at the rear of the set. Otherwise,. if you know solid state electronics, Check the Focus control on the FBT. It is also possible that the CTR Base is faulty. Replacing this helps.

Posted on Apr 02, 2007

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1 Answer

CRT monitor screen is out of focus.text and other images looks blurry


Hi,

This kind of symptoms can be correct by the focus adjustment at the flyback transformer. FBT mostly has two control knob (Focus and Screen), focus is usually at the top one like in the sample picture below.

jdvillanueva_86.jpg

Open the back cover of your unit and then locate the FBT. Power on the unit and try to adjust the focus knob.

If the symptoms can't be cured by the this step, this is an indication that the CRT socket is already faulty. You have to replaced this parts and then make some adjustment at the focus knob of the FBT and your unit will back to normal again.

CRT(picture tube) socket

jdvillanueva_87.jpg


Hope I helped you.
Have a nice day!
Thanks for using Fixya.

Jdvillanueva

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Fuzzy is a funny word. I never use it to describe a picture problem. That because fuzzy can go too many different ways. There is snowy fuzzy, blurry fuzzy, grainy fuzzy, and demodulated fuzzy. If the set goes out of focus intermittently that has something to do with the focus ciruitry. If it goes grainy that is a front end problem, usually tuner related. The other types of fuzzy are generally associated with problems in video processing some where. So, which is it?

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