Question about Fujitsu Plasmavision P42HHA10 42 in. Television

3 Answers

Power shuts off and blinks red .

Tv is plugged into a monster power supply with surge protector. have to unplug the plasma nd wait for about 5-30 min. before you can turn it back on. plasma is about 4yrs. old

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  • yodude Feb 05, 2008

    mine is about the same age and is doing the same thing....???????????

  • Beauxdahba Feb 26, 2008

    I have the same plasma with the same problem.

  • Anonymous Mar 07, 2008

    This has been a problem for over 2 years. I have burnt out 2 power supplies. The problem continues.



  • connorzack Nov 14, 2008

    Same TV, same problem, same approx age??? I can only turn it on at the main power button, LED goes solid red for a few seconds, solid green for a few seconds, then blinks a constant red. I can only turn it off using the manual power button.

  • Anonymous Mar 16, 2009

    power shuts off and blinks red also had a problem could watch dvd but not television

  • Anonymous Mar 18, 2014

    It's working and then shut down suddenly. I tried to power up by manual but it didn't work. I unplugged it and waiting until next morning to plug it in and trying to power up again but there is no power at all. Is that the power supply board problem?

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For information:-
I have recently fixed my P42HHA10AS 42" plasma which had a similar problem.
Would run ok for periods, (sometimes 30 mins, sometimes 2+ hours), picture perfect. Then it would randomly fail - with loss of picture, then shutdown. Front panel led indicator goes from green (normal) to flashing red continuous.
After switch off, removal and re-application of power it would often re-start and run normally for a while.
Sometimes it needed to be allowed overnight to cool before it would run again.
I also noticed that the failures generally coincided with any change to the screen display mode or input mode settings.


Fujitsu service supplied service manual and Service Bulletins regarding this problem :-
Service Manual P42HHA10 is available at http://www.eserviceinfo.com/download.php?fileid=41950

Service Bulletin PDP 0040-01 Main Digital pcb see http://www.eserviceinfo.com/download.php?fileid=43455
Service Bulletin PDP 0068-01 Main Digital pcb see http://www.eserviceinfo.com/download.php?fileid=43450
Service Bulletin PDP 0035-06 Main Power pcb see http://www.eserviceinfo.com/download.php?fileid=43471

Worked through the service manual checks (service manual very basic- overview / DC voltages only - assumes availability of replacement modules). The troubleshooting flow charts lead you nowhere helpful.
Could find no fault with the power board, except that the 6.5V(nominal) was actually 7.4V at CN351 Pin12.
Added 2x Schottky diodes (1Watt) in series with the transformer 6.5V output winding - this lowered the output voltage to 6.6V. - However, this made no difference to the continuing fault condition.

This units problem was fixed on implementation of Service Bulletin PDP 0068-01 Main Digital pcb.
No other faulty components were found.

The mounting solder on the main processor socket was cracked on one corner at the pcb mount point. (See last picture in PDP 0068-01, page 2)
Re-soldered same, and the set has worked faultlessly since.
I became convinced over time that the fault was to do with the main processor board, as the failures were so random, and the set would otherwise run perfectly.
This fault is caused by a combination of solder fatigue, vibration and the thermal cycling of the pcb over time.
I expect it is a cause of many of the reported problems experienced on these Fujitsu panels.
I suggest that the above work should only be attempted by suitably skilled person/s, as very fine soldering and knowledge of electronic pcb repair techniques are required.
Good luck.

Posted on Aug 21, 2009

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I had a similar problem, but mine didn´t switch on when pressing on button, I had to take the back cover off and hit the relays, it seems they get stuck, and are difficult to find to replace them. Now it has been working during almost a year with no problem at all. Mine is 4 years old.

Posted on Apr 08, 2008

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It is something to do with the power pack / transformer which needs replacing.

Posted on Feb 26, 2008

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