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I have Optonica TV , Model # CS 5122.....Bought it somewhere around in 1987 or 88.....faced no problem till now.....But since a couple of days the picture on the screen is not clear & is even blinking at time....The sound increases & decreases when the picture starts blinking....So can u give me the telephone number of Optonica's services because I don't trust any other TV mechanic except the one from the company itself....Will be grateful if you can fix my problem soon....Thank You.....

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I have optonica TV model CS5145A brought from mumbai in 1993. But since a couple of months TV automatically trips when I increase the contrast and decrease the brightness and the picture on the screen is not clear ..So can u suggest me which component has to be replaced?. Already i replaced the SMPS and power resister in power supply circuit.

George, Hubli, karnataka Email - georgekj_swr@yahoo.co.in

Posted on May 27, 2011

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Hi,
Replace the capacitor (10MFD/450V) at the powersupply output. Replace with a Keltron or good quality capacitor.If you are talking about a defocussed picture then replace the picturetube base (narrow or broad based on the picture tube) which would cost you less than Rs. 30. Your optonica model normally would come with a narrow base.

Posted on Dec 22, 2010

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