Question about Toshiba 50HM66 52" Television
New lamp, toshiba tech support says it is the ballast. There is the ballast board, and the power ballast board. Not sure which one to replace
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Posted on Jan 02, 2017
i had the same problem , first ? do u hear any arching noise like spark on the back of u set , if u do thats the ballast , it need to be repleace , now if there is not a spark u may have a bad light engine , need to repleace engine
Posted on May 01, 2008
I found R3 on the original board to be open, along with reading an open on CR1, D5 and D6. All the other transistors and the transformer check out. The only thing I have to do now is find out the specs of the diodes. The replacement board also had CR1, D5 and D6 open (R3 was OK). There had been some threads on various locations where remanufactured boards had bad components (the transistors were changed but not some of the other components).
Posted on Jan 18, 2010
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