Question about RCA HD52W59 HDTV Projection Television
The chassis number is RCA ITC22 and the model is HD52W59. I was looking thru some of the responces you've wrote others on this model and saw where you offered to email them a schamatic. The set will come on but the screen in miss shaped,sunk in at the top&bottom and the colors are off. It also has no coverage submenu in the main menu which points to fl231 fuse being blown.The TV does has a coverage issue because the fl231 fuse is blown. I'm a 14 year Industrial Process Control Tech with a year degree in Electrical & and a two year degree in Electronics Technology so I'm not a complete dummy, but i'm surely not a rocket scientist either.I write Allen Bradley PLC computer code and trouble shoot machines down to board level but have'nt worked on TV's in a long time but I feel if I had a drawing, well who knows. I under stand about your issues on every thing you've been busy on it seems like all my stuff dies at the same time to. Thanks a million and save my address and don;t hesitate to contact me if I can ever help you bra. firstname.lastname@example.org
That definately sounds like the convergence ic's have failed, you can try to find a simular schematic here ( itc 222 ) http://www.eserviceinfo.com/equipment_mfg/THOMSON_2.html
also here is some other things to try
1 in the service manual that disconnecting BW001 & BW002 on the Converagence Amplifier board may remove the load on the Convergence Power Supply , so disconnect turn on power then turn off and unplug from wall , then plug those back in and then power up , ( if you already replaced fuse and resoldered flyback)
2 resolder the flyback pins
3 check fl231 again , replace if needed
let me know if that does it or if we need to check power at the fuse or another part of the cicuit , but definately resolder ( one of rca's biggest problems)
Posted on Jan 31, 2009
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Posted on Jan 02, 2017
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