Question about Philips Magnavox 42MF521D/37 Television

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42 plasma tv model42mf230a/37 blue light on no picture no sound

Blue light on no picture no sound remote will not work battery change

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  • Anonymous Jul 27, 2008

    i have the same problem purchased the TV on Oct. 6 2006 from Home Depot, A few days ago it stopped working, Blue light on , no picture, no sound and out of warranty,

  • vielmetter Feb 12, 2009

    I have the same problem. I replaced the Ysustain board and still no picture. After a few seconds of being on it starts smelling very faintly and I immediately turn it off...i'm sure that's bad. I'm looking at replacing the power supply board next but really i think there's more broke on this tv (upper,lower buffers are prolly bad too). I'll keep you posted if i get anywhere with my repair.

  • nthppywitRCA May 05, 2009

    Luckily mine was under the extended warranty, unfortunately after three visits and a month later the TV is still borke. He said he replaced the power supply board, does anyone know if the power supply board and the board with the external AV connections are the same.

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With solid blue led set could be still powering on but would need to verify by checking power supply voltages. if up and signal is present with no menu or audio would be ssb as audio amplifier, micro processor and eeprom are on that board. if voltages are not present you need to offload x and y sustain boards one at a time from power supply and check voltages and if vs comes up with either board disconnected replace that board

Posted on Aug 19, 2008

  • Mirchell Jennings Aug 21, 2012

    Daniel, I know that ssb relates to a board but, which board are you refering to?

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