Question about RCA P46921 46" Rear Projection Television
Thanks for the answer, yes i have low experience in TV reparation but i dont have the schematics for this TV, if you could send me this to my mail (firstname.lastname@example.org) or post the link it could be helpfull to solve my problem! And yes i hear a clicking sound. I can power on my TV sometimes and it work regular (clicking sound periodly), but sometimes when i turn on my TV, i hear two or more clicking sound and the TV turn off inmediattly! I am scare because an repair person on my country said that the problem is the ctr´s and want arround $1000 for repair it. I dont thing that the problem are the ctr´s.
Thanks for the help!
I think the problem is either the power supply/High Voltage board or the IHVT (Integrated High Voltage Transformer). I don't have schematics for this model, in addition you will need to take the IHVT out and perform a ring test on it, also I would advise you to check and see if the Horizontal Output transistor is shorted also, you can do this with an ohmmeter (measure between the collector and ground it should have a high reading if the reading is low the transistor is bad). The ring test can be performed with the use of a Universal Video Analyzer, or a LCR analyzer.
I hope this helps,
Posted on Jul 19, 2008
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Posted on Jan 02, 2017
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