My Sharp 27J-S100 TV will come on for a moment and then go off. If you leave it plugged in it will not come back on at all, but if you unplug it for a short period then plug it back in, it will come on again for a second or two and then go off. I'm a technician on copiers so I know there is something that is coding out inside. PLease tell me how I can get to the service mode and how to pull codes so that I can more effectively converse with a TV repairman. Thanks in advance for any help you may be able to provide.
To enter the service mode . while pressing the vol-up and ch-up buttons at once, plug the AC cord into the wall socket and switch on the main power . now the TV set is switched on and enters the service mode. to exit the service mode, shut the television off by pressing the power button.
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could be but this is not a extremely expensive set, Sometimes the tuner if bad has bad solder connections on the board INSIDE the tuner, most that do will react to being banged on with set on and signal hooked up, a replacement tuner if available would be rather costly, doe the set have audio/video input jacks on it?
There are actually two adjustment access holes (focus and contrast) on the back of that model. Here is a makeshift map...
On the back of the set mentally divide it to a left and right half. About the middle of the right half and around 4 or 5 inches up from the bench there will be two 1/8" holes. one on top of the other and about 2" apart. Slip a "pocket" sized flat head screwdriver into the lower hole and feel for the blade to enter the slot and gently turn either direction to adjust the contrast to your liking. The other hole above the "contrast" hole is for "focus" and really should be left alone.
The entire back cover can be removed by taking the four screws out of the corners and slipping it off. Then you can actually see the adjustment controls if you find getting that little screwdriver into the hole would be easier with it's clothes off...
it sounds to me that there is a bad capacitor or perhaps a cold solder joint somewhere in the power section of your tv. not sure how much repair would cost, but i will say it's about $50 to have an service tech come out and lok at it.
You don't. A good "universal remote" available from Radio Shack (Phillips) for about $15 will provide access to all TV adjustments. Easy to program for all TV models, VCR's, DVD players, etc. About $35 + S&H for the Sharp remote replacement.
headphone jack is perfect. Buy ( radio shack, ebay,home depot,best buy ) the mini plug to rca breakout cable and once you plug it in it should mute speakers. Otherwise go into menu, audio, and usually there is a selection to cut off speakers