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Hi, thank you for visit fix ya.
Common problems on this tv ( cause no power):
1.- Loose connection between connectors and cool solder around fly back. ( re solder all).
2.- IC vertical output and capacitor in same section ( 100uf, 220uf,3300 uf and 2.2uf ), replace all.
3.- STKs ICs convergence , need be replace ( check any resistor around STKs, for burn or brown color).
----- Try to do step by step; you will repair your tv.
I will be here for any future question.
Replace Both of your STK ICs and 5 or 7 low ohm resistors if your stks are 110s , 150s, upgrade to 180s.STKs are your convergence ics they are the big black ics will have part number on them STK392-110 etc...
Replace Both of your STKs convergence ICs they are big black ics they will have STK numbers on them STK392-560 ect. Parts you can order on line www.electronix.com or call 1-800-223-3205 you also need silicon heat sink white compound to put on back of new ICs. Use same # on stks but if they are 110s use 180s if 020s use040s.
Replace your convergence ICs STKs big black ics Go by number on them STK392-560 ect..... Parts you can order on line www.electronix.com or Call 1-800-223-3205 you will also need silicon heat sink compound to put on New ICs replace Both STKs
Replace Both of your STKs they are your convergence ics they are big black ics have STK number on them if they are using 110s upgrde to 180s STK392-180 they are better ics. Call Electronix Parts 1-800-223-3205 they will have STKs.
fl231 is the convergence fuse, and is soldered to the board in proximity of the convergence ICS, on RCA rear projection TVs.
If fl231 has blown, TV usually does not turn on at al, if you get bowed picture, that means that the convergence ICs must be replaced.
The fuse is on the same board where you find convergence ICs, if the fuse had blown, or the pico fuses at the base of the STK convergence ics had blown, the STKs must be replaced. There is need of purchasing the service manual to do the job.
The STKs are three channel ICs they each control horizontal and vertical of one color the third channel controls part of green and the other half of green is controled by the other ICs third channel. Its customary for the Ics to fail and only have one channel bad in the IC. However its recomended to change both because of the bad Ic having green it can actually weaken the other IC and that one will fail shortly.