My combi seems to go on and off all by itself you can hear it click to standby then click again and it comes back on
is there anyway i could disconnect the stanby curcuit and if so would this cure the problem? it seems to happen after the set has been on for about ten minutes please help it is a brilliant picture when it is on and the video is too.
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Re: goes on and off
There are two very common problems that occour in this set. First on is a bad capacitor in the stanby power supply in the relay drive b+ circuit. Its getting leaky and soon if this goes bad the set will click on and off by itself when you hit the power button. Next problem could be the str type regulator IC. None of these repairs should be attemted by a non tech as there are no user serviceable parts inside these set. Good Luck
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If you hear a clicking that is the relay which is a sign that the tv has partial power. The rest of the power supply is dead though. Usually it is the voltage rectifier and a wire wound resister maybe some burnt circuit traces. Many tvs lose their fly-back transformer and or the horizontal or vertical output transistor and a handful of electrolytic capacitors. Few people repair tvs these days and even fewer want to keep old cathode ray tube (CRT) types tvs anyways. How much for a new flat screen tv of similar size? Likely far cheaper than parts and labour for the other one.
Unfortunately a cleaning disk will not work for you. If you feel comfortable opening up the unit. you will need to get to the lens itself and clean it using a cotton swab and alcohol. If you can't fo that, have the unit serviced. A cleaning should only cost a minimum labor charge.
1 press and for 5 seconds the key symbol on remote
or try this method
2 press stop key on remote and and playback key on unit
for 5 seconds , service status window appears and select service
control menu and ok , at eeprom clear option press ok for 5 seconds, press menu and standby