Older set, but little used. Began exhibiting problem a year ago.
Television kept dropping off intermittently. Upon advice of professional, replaced Small Signal Board. Set now runs reliably again, and all seems fine....but screen display shows right and left pincushioning. Professional advice say all such adjust are digital, and require service manual and probably EEPROM programming.
Any easier advice to try here, before I just start tinkering?
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It may be the set has a fault or its age has caught up with it as an engineer of the past "sunshine" has always caught out older sets after gloomy light bulb days of winter when it has little light competition.
Over contrast can cause many fluffy edged smeary pictures because its age loses that picture punch so "we crank up the contrast" if its at max drop it back.
Sharpness I find 75% is a good starting point otherwise you get "ringing" (multi edges) on some sets.
Try again with curtains drawn a bit if this works better, then age may well be the problem or a service call out if an adjustment is needed inside. If its a glass tube type then most lose ground after 6 years to age depending on their lifestyle, though I have seen a few 10 year olds holding their own mostly in elderly owner situations.
Hope this helps in some way..........
hi there, if u know how to work with your set u can: 1. open the back cover case of your tv and try to find a foreign objects inside and clean it up with your vacuum cleaner. 2. popping sounds sometimes due to lossen parts, bad socket contacts, too much dust and dirts ,corrosions .and when cleaning you unplug first your TV set to avoid electric shock. i hope this will help a little. Thank You.
This problem with your television set is more than likely a problem with intermittent component failure. The fact that the television turn on for awhile is a sign the the component or components are intermittent.The reason the television turns off is that it goes into the protection mode caused by the intermittent component or components. They are unstable and are causing unstable voltages supplies to appear in the circuits. The television has a built in feedback circuit that will detect the faulty operation and turn off the television. When it stabilizes again the television turn back on. This is usually a sign of aging or faulty components. The problem will only get worse and the television should be thoroughly tested. You can call Magnavox customer support at this telephone number 1-800-705-200. Give them the model number of your television and tell them about the problem you are having with intermittent turn on of the television. They will be able to tell you where to take the television for testing and service. I hope this information helps you with your problem.
It could be a dry solder joint on the base socket pcb. Try resoldering the base socket, and try for dry joints on the main board also. Check if the rgb voltages are steady on the crt driver transistor bases.
the picture tube on your TV set is exausted. Please contact your nearest Authorized Sony Service for further help/advice.
After all, Sony is a good choice. The next TV set you buy could be one of Sony-s Bravia LCD.