Okay we put the last fuse in within an hour it blew. I asked my husband you did solder the fly back. He said yes. Okay, just because I myself don't have a clue what the fly back is. I'm assuming it's the two wires attached to the fuse? Okay, back to my problem. Last fuse blew so I mentioned someone else on this site jumped it so we tried that. Everything started working fine then about an 1 1/2 later we lost sound. So we unplugged for the night. So today we turned it back on picture still fine, sound was available. After about an hour the TV started shutting itself off and on. Something is over heating. I refuse to give up on this TV, we have to be doing something wrong.
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Re: Okay let me know what you think
The flyback transformer is the large black component simalar looking to a disrtibitor of a car it has a large red wire coming out of top and a black wire. On the bottom of the board it has about 10 pins arranged in a circle. this is flyback is located adjacent to the fuse.
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You have 3 pico fuses by your fly-back transformer. One of them blew that controls your convergence circuit. Your TV now thinks that it is a Basic CRT set with 1 tube. Find the bad fuse and replace with a 1/2 amp pico fuse, and re-solder all the pins of your fly-back transformer. Your menu should have the convergence option again.
I have an RCA 52” HDTV Model R52WM24 the other day it developed a convergence problem (The picture took on a 3D effect and it the screen had an hour glass type of shape)
This appears to be a common problem or a pattern failure.
I wanted to confirmthat I did find the fusep/n FL231 to be blown.
I think it said the RCA part # is 259213 and it is a 400 ma, 125V fuse, Looks like a square capacitor by the fly back xfmr.
I bought a generic part from Digi Key and it seems to be the identical replacement part to the fuse that was in the circuit.
The Digi-Key part is part # WK4440BK-ND (99 CENTS EACH).
THIS IS A 125V, 400 MA ( 0.4 A FUSE). Digi Key PHONE # IS 1-800-344-4539
I am watching the TV right now for last 3 hours and it seems to be a good fix.
The fly back transformer solder connections looked good but it is recommended to re solder these part ( so I did).
you wont believe this.. i tested all the pico fuses, and found them to be ok..tested for voltage to the fly backs, went on the check the rest of the "power board". things like voltage regulator, resistors, any thing that might look suspicious. so far the entire board had no signs of electical shorts. this lead me to think maybe a lose solder joint (a common fault with this circuit design). WELL you mite ask how did i test all those connection joints? I guessed, well almost, using a rubber handle screw driver, i gentle tapped the major components, included the snap in terminals. seems that where i tapped the tv came to life and then died..by viewing those areas the solder was dull, with slightly discolored surface around the solder joint and easy to spot . ..."there is picture & sound" when resoldered all the pins that i suspected as defective. testing several hours now..please throughly check, clean and resolder any suspected joint. hopefully this will work for anyone with a similiar problem..
Go to Menu then to setup if you do not see Convergence in the menu then you have a blowed Fuse FL231 it will be on right hand side of FBT flyback Transfomer there is 3 in a roll it will be the Middle one they are small brown rectrangler Looking caps but are Fuses Located on the Deflection board Bottom Left hand Board.
This is a very common problem for this TV. You have a blown solder in fuse by the high-voltage transformer. It is caused by bad solder connections on the transformer itself. Solder the transformer and replace the fuse and you'll be as good as new! An honest professional should not charge more than $200 to do this.
Hi, thank you for visit fix ya.
Common problem on this tv, Loose connections-and open fuse.
Re solder all connections around fly back, and replace a little fuse located beside fly back ( is a little brown box), you will See 3 fuses parallel beside fly back; replace fuse 400ma.
your initial problem was the fuse blowing. this is usually caused by bad solder connections on fly back transformer. resolder to solve blown fuse for convergence problem. now for no power check horizontal-output transistor for short. if unit tries to cycle off&on fly back is defective. if no start-up, check capacior in 6v-line center of deflection module in-between heat sink, the top will be raised up . 2200uf/25v replace mch
sorry havent got back got some personal issue going on. So its cycling off. my fist instinct is to check the ribbion cables that go between boards. and most connectors. theres a cable that runs from the back green booard to the front center crt board in the front. this could be a problem. does the set make any noises?
Ok let see what we can do. These rca can be trouble. Im a technician and i see these alot. I guess that a good recomendation for these set LOL. First question. I take it you had the FL231 fuse problem... YOu replaced the fuse did you do the most important step. RESOLDER the flyback connections. i beleve that is step 7 in the instruction. this is the main reson this fuse blows. i have run into only one other case ...out of the hundreds of fuses i have replaced where the small signal cuircit board cause it to blow. but like i said very rare. i used to just put that fuse in and not resolder... it would come back to me within a day. LEt me know what happens
DId you solder the flyback transformer connections..... This is the main reason these fuses fail. THe flyback is the big black component next to the fuse. poor solder connection cause oscillations.. this fuse is only .4 amps whish dosent stand up to that well.. resolder these pins on the flyback.... the first time i replaced this fuse i failed to solder played well for 2 days then came back blown again