Question about Hitachi 42PD3000 42 in. Plasma Television

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I have a Hitachi 42PD3000, and the media box has developed a fault that the green led is perminantly on, yet the led on the screen remains red and remains in standby mode. no button presses respond on the box. I have heard about the box being stuck on red which is a power supply fault, but mine is the oppersite being stuck on green. Any ideas what the cause could be? If anyone has a working spare box id'e buy it from you so please get in touch.

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6ya6ya
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Posted on Jan 02, 2017

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hardrocko
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SOURCE: power up not likely

This could be anything, literally. My first guess would have been the power supply but you have eliminated that. The rest of the unit is really not serviceable by home owners and would be very difficult for someone without any training. About the only other checks you could make is to check all the fuses. All boards should have at least one and may have several, including some microfuses which are typically marked as Fxxx (where x is a number). Additionally look for charred components (resistors in particular) or burn marks on the board. Check for loose plugs in sockets on interconnection wiring. If everything checks OK you need a repair tech. Furthur troubleshooting can only be done by a competent repairman. It does not sound like the problem should cost all that much to repair in relation to the cost of the TV. Good luck.

Posted on Jul 13, 2006

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  • 579 Answers

SOURCE: Hitachi 32LD8700 - TV won't turn on although has power

The general problem with LCD type TV's is that the power supply fails. They are very sophisticated designs that are difficult to troubleshoot and generally best to just replace the module, but sometimes there is visible damage in some of the electrolytic capacitors (visibly bulged) and high voltage rated parts can be substituted.
Hope Ya Fix It

Posted on Feb 10, 2008

  • 2 Answers

SOURCE: Hitachi 42LDF30U LCD TV stuck in standby mode

Hi there mine has started doing the same thing today, on other hitachi models it is a serious fault warning, i will come back when i find out more.

Posted on Jul 19, 2010

lovejoy91
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SOURCE: Where can i buy a DVI cable for a Hitachi 42pd3000

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Posted on Dec 30, 2010

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I have a media box from a 42pd3000 with cable and a brand new set of speakers for sale at 45 plus 10 delivery.

First refusal before it goes on eBay?

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If you wish to get some details; visit the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
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Most of the repairs on these sets are done by board replacement. After the defective board located sometimes there are some adjustments that have to be done.

Most of the repairs are done by process of elimation when board swaping is done to find the defective board. This is a much faster approach rather than analazing waveforms with a scope and taking voltage readings to determine the probabability of what board failed. Sometimes a fault can be determined, and the actual failed components are located on another board from where the readings were taken.

At home, it would not be practical for you to buy a full compliment of spare boards for process of elimination type repairs, and you would not have the facilities to peform the factory level adjustments if required.

The bottom line, is that you should give the set in for factory service if you want it properly serviced. Guessing at a fault and buying parts to try will be a lot more exensive.

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HI
THANKS FOR YOUR QUICK REPLY. I NOTICE YOU ARE BASED IN THE USA, I AM IN THE UK (JUST ACROSS THE POND) ARE YOU ABLE TO ASSIST ON THE UNITS THAT ARE SOLD HERE. IF YOU CAN THEN IT MAY WELL BE WORTH SUBSCRIBING BEST WISHES DAVE FOX.

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