Question about Hitachi 51F510 51" Rear Projection HDTV-Ready Television

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Signal board questions

Hi, I recently picked up a Hitachi 51F510 off craigslist for free because it does not work. The prior owner stated that coffee had been spilled and got inside the tv. They said a repairman looked at the tv and told them it is the signal board and it will cost about 800 bucks to fix. I looked at the signal board and it has a good bit of corrosion and is rusted pretty bad, thus supporting his theory. I can get a whole new board from circuit city parts line but my question is to someone who might know a little about this... I was able to remove the board myself and I am pretty sure I can install a new board. I do not have any experience with TVs. Is there anything I would need to know before installing the new board? I build computers and it appears to be similar to a motherboard on a computer and simple to replace.

Also, do you agree with the serviceman that this may be all that's wrong with it? The TV does absolutely nothing when plugged in. There is no evidence of any liquid damages anywhere else within the set and the fuses all appear to be ok.TV is very clean inside and out.

Thanks in advance for any help.

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Replacing the board requires no set up so it should run after replacement. as for the other problems that is unknown until you replace the parts you know are bad. it tough to say if any other boards were affected.

Posted on Feb 14, 2008

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The Hitachi site may have this available or you can Google the model number to see if you can locate one for free.

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http://www.retrevo.com/support/Hitachi-51F510-TVs-manual/id/371ci865/t/2/
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Nov 11, 2009 | Hitachi 51F510 51" Rear Projection...

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Apr 13, 2008 | Hitachi 51F510 51" Rear Projection...

1 Answer

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Possible causes in order of likelihood:
1) Convergence amps failed overloading the supply (See if you can disconnect them)
2) High Voltage circuit has died. (Right on schedule since your TV is 10 years old)
3) One of the CRTs has shorted
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See if you can isolate the failure by working down the list.
Hope Ya Fix it!

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1 Answer

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read threads here or at ctechnicians.com

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1 Answer

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