Question about Sharp 27H-S60 TV

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Missing resistor i have a tv that wasn't coming on, when i inspected the circuit board i realised that a resistor (R466) was broken and missing. can any one tell me the value of the missing resistor (R466) for a sharp tv model # 27H-S60 serial # 811291. thank you verymuch for any help

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1.8 ohms at 2W

Dan

Posted on Sep 23, 2008

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Please provide the Resistor value of R466 since it has got burnt..and screen is flactuating


If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
Circuit diagrams of many popular brand TVs and other devices are given.

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1 Answer

Mom (fixer of broken things)


Hi Ann,
So far, for what you have mentioned doing it is very proffesional, as in our shop we use a hair dryer to warm boards/components also. The other item you are missing is a can of freeze spray ( component cooler ), which is a substance, when sprayed on the board/component does just the opposite of your hair dryer, it cools the circuit. When we are looking for a thermal problem, as you are having, we heat one board at a time. When we have heated the right board and the problem corrects, we know we have isolated the bad board. Now we have to isolate the bad part and thats where the cooling Freeze Spray come in effect. You can spray a small area of the board and watch the effects of the picture to see if the problem reacures. If it does, then you can heat up that board again and ellimante the problem and again using your freeze spray, spray only a few components at a time, thus finding the bad part. It takes a few times sometime to isolate the problem, but when you do, the satisafaction of being able to repair you own set is worth the work ( thus being the " Mom, fixer of broken things". As a precaution, the freeze spray can freeze anything it come in contact with like ( small fingers, eyeballs, irrate husbands ears and childrens parts, so be extra careful when you use it) and always keep away from small children and irrate husbands. I hope this has helped and good luck
Ed
NC Electronic
Mills, Wyoming

Jan 06, 2008 | Standard (CRT) Televisions

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