32" RCA
F32TF720
ATC113CD2
Kids playing playstation... TV went out.... and now it only whistle/whines/squeals. Wont turn on. I have read posts and see that it could be the horizontal output transistor or the flyback transformer or a capacitor on one of the power feeds, along with many other posibilities.
I read in a post for a 36" tv, to replace Q14401 and to resolder L14401. I also read in the same topic to remove coil L4101, scrape off a little of the enamel that is still on the ends and reinstall the coil.
Can I find an exploded view somewhere? not likely. Can someone point me in which area of the TV I would find these points. I just opened it up and may find them yet.....Not sure though if it would be the same numbers as on my 32".
I am an electrician that works with some electronics. Very minimal. So I have an idea how to trace and check much of the circuitry. I have worked on satelite receivers in the past as well.I would attempt this even if I didn't though. Thats just the way I am.
I truly appreciate any help, suggestions and guidance,
Brad
Yes it sounds like the Flyback is Bad LLO5 RCA part # 261163 Check TL02 Horz output Transistor "HOT" it will be a BIG transistor mounted on a big alum heat sink with the Numbers C5148 stamped on it if its shorted You will need to replace it and the FlyBack The RCA part# for HOT is 237470 The Bad News is the Original RCA Flyback is NO Longer Available You will Have to use a Generic after market replacement www.tritronicsinc.com has the Parts 1-800-365-8030 or 1-800-638-3328
Will hopefully look at it tonight(Thursday). That is an excellent reply to my question and exactly the help I need to get started. I did not think i would get that good of a reply. Awesome picture and description. Thank you for the link/phone number for parts too.
Thank you, i will post back when I know more.
Brad
I am going to replace the flyback and HOT. I was hoping someone had a link or a bit of a breakdown on how to do the job. Not each and every step, just a little help.
What do you use to "glue" that one piece from the flyback onto the tube?
Do the leads simply pull out of the Flyback as I have read others do?
Going to buy a solder sucker. At present all I have is an electric soldering gun and I had a low wattage "pen or stick" style somewhere.
Which one of these is the better choice for working on TV's? I like the quick heat from the gun, but is that bad for this project?
I guess any other ideas or suggestions are of course welcome and appreciated. I have not metered/checked/ordered anything yet. Should I be checking any caps along the way?
Sorry for all the questions. I will be researching as much of this as I can on my own. It can take some time so i hoped some could be answered here. Don't want this TV sitting around collecting dust. Either I fix it soon or it goes.
Thank you all for your help,
Brad
Did you get it fixed? I have the same problem. Thanks
Not yet......still checking/testing....making sure i can get the parts out before I order new ones.
Thanks. I appreciate any help you can give me.
Steve
Well....not much help other than what Dwray has offered. I tried a couple of other sites and some google searches for how to properly change these parts. no luck so I am ordering the parts right now....the flyback and the H.O.T. Parts will cost about $35 plus shipping. What have I got to lose? Gonna Git R Done!
Hello............any luck with the new parts? Thanks.
got my new parts and am installing tonight. Will reply.
Changed parts, worked good for a couple of hours. now i just got 3 snaps(like a high voltage to ground) about 20-30 seconds apart. I ran over and unplugged it, now i guess i will have to open her up for round 2. Any help or suggestions are welcome and appreciated.
Brad
THIS ISSUE HAS BEEN RESOLVED. READ THE NEXT POST/REPLY.
Got the new flyback transformer and Horizontal output transistor(HOT) replaced and all is GOOD. TV works again. I am so pumped that I fixed it.......and I am so grateful for the help and guidance I recieved.
I bought a new solder iron, solder, solder sucker, and some high voltage putty. I cut and spliced/soldered/taped the 3 wires from the flyback to the tv. MISTAKE. I should have removed the boot from the tube and not spliced that wire. I believe that is where the snapping/arcing - voltage leak was occuring. Go to my post/link below and check out some pictures and helpful info from Dwray to do this step correctly.
The solder sucker was invalueable. I could have used my old solder and solder gun, but I was saving so much money I wanted to make sure I had the correct tools for the job.
Hope this helps others as I could not have done this without others help.
Link to my other topic post:
http://www.techlore.com/forum/thread/23687/Changed-flyback-and-HOT-on-32-RCA-now-I-get-a-snapping-noise/;jsessionid=E84B7C9C3E9D876DA42F458929EA2F3B#37475
I was watching my tv one night and fell asleep. When I woke the tvs power light was on but the tv was not. I turned it off and unpluged it for hours. When I pluged the tv back up it started this whinding noise. The power light comes on and all you hear is that noise. My neighbor says it sounds like a high voltage leak. I know nothing about tvs but I was hoping I could fix this myself. Pictures and steps would be great! Thanks!!!