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RCA 27V412T my tv started turning itself on and changing the channels by itself

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Ok! change all tact switches! your tact switch has abnormal resistance! thats why your tv is changing system!

Posted on Oct 01, 2007


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Why does my RCA model# 27V412T turn on and off by itself? It's does not stay on long enough for me to reprogram the remote.

Hi There,
Sounds like your Startup Relay is intermittent. Contacts are closing (tv on) then dropping out (tv off). Worn or burned contacts do not make a good connection when they close and start to burn and overheat causing the contacts to open. When they cool down they may make contact again for a very short period. You need to replace the Start up relay. I hope this helps and thank you for using FixYa!

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Sudden channel changing,flipping off and on and channel searching

Main system control memory IC fault. This is a very small IC; have 8 solder terminals, and can be located very near to the main system control-chroma IC. Check and replace it. Be sure to replace it with the same number printed on it; in all respect. Otherwise, it won't go. Before replacing it, try a reset to this set, and then check.
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RCA 27V412T

check your tv's power cable inside the tv. make sure its not frayed. also take the batteries out the remote, it could be turning off the tv.

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I repair these for a living and usually this is caused by the "tact switches" (buttons essentially) on the main pcb. This can be fixed easily by someone who is familiar with working with soldering small parts by changing the switches. The problem is most service shops must charge $60-$100 for bench time on a repair like this which is hard to spend with the replacement cost being so low on this product.

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1 Answer

TV turns on by itself

Just change all the buttom (switches) including: volume, channal, power, and menu buttom. That is the only problem

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Turns off/ on by itself model 27v412t

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