Question about Philips 42PF9630A 42 in. Plasma Television

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37' philps flat tv

My tv won't come one. The red light flashes 4 time

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  • jamie_rash May 11, 2010

    how do you update the firmware when the screen wont come on? the tv comes on but the screen doesn't...

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  • 52 Answers

4 blink error for that model is i2c communication failure specific to ssb (small signal board) if intermittent should upgrade firmware to newest firmware and if constant would need to replace small signal board

Posted on Aug 18, 2008

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I don't know why but this got my TV on.
I took off the back cover and found the source of the clicking.
Two blue plastic rectangular relays in the exact middle.
When I pushed the power button, I felt the top relay click, and I saw a flash from the bottom one. (they are right next to each other)
I took a hair dryer and placed it over the two relays for about 1 minute and tried the power.
It clicked only 4 times and then came on!!!!!!!!!
For some reason heat helps the relay.
If anyone is a tech and can explain this, please do.
Good luck!!!!
My tv is on and it didn't cost me anything.
I just can't turn it off now!!!

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