Question about Sanyo Televison & Video
I was watching tv and out of the sudden the tv just turn off .. i try to turn it back on but it wont ...
Check its horizontal output section circuit, and replace damaged component/s. Contact any service technician. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product by anyone else could result in serious injury or death. If you are not familiar with electronics, do not attempt to repair. Whether you suffer fatal electrical shock. Instead, contact the nearest service centre.
Posted on Jul 17, 2013
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Posted on Jan 02, 2017
If still under warranty or if you have no electronic repair experience you should take the set back to the shop or to a repair person. Some of the solutions described below can be dangerous, TV's are very hazardous to service. Even when plugged out, TV's can store very high voltages. Could be several things- a 15 cent fuse, some solder joints that fail due to expansion and contraction of the circuit boards. Hard to say. Look for parts that look or smell burnt, might help you narrow it down. The fact that it stopped suddenly, with no gradual deterioration makes me think that something blew, and it's a matter of replacing it. No tube damage or anything more serious, just a local fuse or cap. let someone have a look Good luck
Posted on Jun 15, 2006
SOURCE: TV Turns Itself Off
That set is a CTC197 chassis with a common problem - flyback or more commonly referred to as the FBT...
The FBT is a high voltage transformer which delivers a great deal of voltage to the crt to light the tube. The FBT is RCA p/n# 237502 and a ring test can confirm its failure. Another shortcut technicians use is to unsolder the collector of the HOT and power the set. If it powers with up and has audio you're in business, just replace the FBT and it's recommended to replace R14704 its an 82k ohm- 1/2w resistor and C14710 a .01/1kv cap as well. I believe if you order these as a kit, (ie: original RCA FBT), the two other parts are included - but ask to make sure.
You might also check for continuity across E & B of the HOT with a multi-meter while you're in there and if you get any resistance at all the HOT is shorted also... Or for simple reliability just replace it anyway.
Hope this helps!
Posted on Nov 13, 2007
Followed Terryfic's solution. I am a DIYer and managed to order the part, desolder the old one and solder in the new one. However, when I turned it back on I got a black screen with sound. Hmmm, saw the adjustment screws but was hesitant. Ended up turning about 10 degrees one way and presto chango... Saved a $1200 upgrade to HD for a $30 part! Thanks
Posted on Dec 25, 2007
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