About 2 weeks ago, the power started turning off... intermittently. It appears the only time I am having this issue is when turning the TV on from a cold start. The screen normally goes black a few times before actually turning off. The TV is normally "ON" for a few minutes before this issue even starts. It never shuts down immediately after power up. After a min or so, I can power the TV back up using the front panel or the remote.
Once cycling the power back on for maybe for the third time, the TV will stay on for the rest of the evening with no issues. This starts all over again when I power the TV up the next day.
I had my motherboard replaced about a year ago. now the television simply goes to black/blank screen but still continues to play sound. this TV is terrible and RCA has done nothing
to fix the problem, never gain will I purchase any product made
or manufactured by RCA.
I had this same issue with a 52" RCA. It continued on like that for about 2 weeks, then got so it wouldn't display the picture properly. I took it for service and it turned out to be a few loose solder joints. The tech checked and resoldered the entire "motherboard" for $150,
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Sounds like the problem started out with an intermittent solder connection possibly on the deflection PWB unless the power relay has a bad connection or is breaking down under load. If it is not the power relay, I would check the connections under the deflection board - paying close attention to the area from T701 and T752 including the Horizontal output Transistor for a short. You also have a possibility of defective filter capacitors causing the problem as well.
This is the ITC 222 chassis. Most likely the problem is caused by capacitors on the power supply module part# 265324 which is no longer available. The module has to be repaired to the component level. Look for capacitors that are bulged at the top. I usually get around $250 for that repair (Carry In Only). There are also other causes but someone would have to troubleshoot the problem.
I would turn the circuit board over and check for clod solder joints and cracked solder, you will have to look close, my other sugestion would be to get a can of freeze and spay the different IC's and see if it stays on longer.
your problem is intermitent resolder the power supply the horizontal along with the area of the flyback you could be having some lose solder also resolder.if that does not work check around in the power suply some bad cap,power regulator and even the flyback again.a check should be made on the microchip.if you cannot do it your self take the set to a tech.good luck
Is this your set?http://tv.rca.com/NR/rdonlyres/A2ED8EB5-A0AF-401F-A380-3CB61D5EBEB1/0/D52W20_222Chassis.pdf If it is, there could be a bad solder connection in the start up power supply or there is a resistor that will get loose or change value. It gives the power supply the start up pulse from the flyback transformer. there are no user replaceable parts inside this set, and the longer you wait to get it serviced, the more its going to cost. Unless you have a service manual and understand how the SMPS works, please play it safe and call in a pro to assist you in this repair. Good Luck
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