My tv will not turn on. It is about 2 and a half years old. Green light turns on for a few seconds and then goes back off. You can hear a noise when the light comes on and after it goes off it will repeat 2 more times then
nothing. Could this be some sort of loose wire or something?
I had this problem on My RCA tv, what I found was a couple of bad green capacitors in power suply there are around three of them I just replaced 2 of them if I am not mistaken one of them is C120 but if not change all three this are the value of the ones I replaced 2200uf 16v and 220uf 35v, if you see on top of the green capacitors you will notice they are bad.
My tv is working for more than a months and I had the same problem as you are having.
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Tv's are designed to check themselves for problems when 1st turned on. If something is shorted and a voltage goes to high they will not turn on fully. It sounds like your set is trying to turn on yet sees a problem then goes back into standby mode. This can be cause by many different circuit problems. Generally repairs can range from $75 to over $200 depending on problem and brand. I only recommend repairs if half the cost or less to fix. Since your ? only stated it's a CRT. I would recommend your purchase a new LED LCD TV. CRT (cathode ray tube) Tv's are now old technology. You could probally find a new set for the price to fix the old.
I have the same problem with the same size 20" RCA tv. Mine is a little over 2years old. After turning itself off and on whenever it felt like it, now it blinks off and on nonstop every few seconds and nothing makes it stop......please help
I have the same problem with my 56" HD Samsung. It shuts off automatically and then on the power button the word Lamp is light up in green. Sometimes I can turn it back on but other times it won't and I have to wait a bit. It's been embarassing a couple times when people were over for a movie. I believe it might be some kind of overheating problem but would like someone to confirm this.
the rca itc222 chasis has a processor that shuts the set down when it detects a problem for Safety. it can be one of about 30 problems. the computer also records the errors in memory and a technician can interface with a computer to read these errors. after the set attempt to come on 3 times then the set locks up and you have to unplug to reset.
I have the same problem-still troubleshooting...so far still not find the cause. DM1 power supply output voltages are operates correctly. Signal output of microprocessor up and down (no good) that turn on Q14105 and latch optical isolator U14102 to power the unit but both of ohmed out ok. it hard to troubleshoot the main board with power on.