Question about Hitachi P42H401 42 in. Plasma HDTV

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Model P42h401 Hitachi plasma won't turn on. When shunting fuse slot, can hear grindy transformer hum, bad ps?

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Posted on Jan 02, 2017

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SOURCE: I HAVE A HITACHI 42INCH

main power switch -underneath screen on right side

Posted on Feb 18, 2009

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SOURCE: I have a hitachi plasma tv p42h401 it have no

NO POWER LIGHT, NOTHING. IS THERE A RESET FOR THIS HITACHI?

Posted on Sep 14, 2009

gopakumarg43
  • 75571 Answers

SOURCE: hitachi plasma tv wont turn on

Check and replace the main power regulator board. There is no repair to these boards. Card must be replaced with new one. But when you replace it with a new one, some adjustments should be done. Teh work is actually somewhat semiskilled one, which a user without proper knowledge in electronics can't. If you wish to get some idea about, what are these adjustments, check this link.

Posted on Mar 03, 2013

  • 44896 Answers

SOURCE: volume works but picture wont show

It is likely your TV has power supply trouble.

Posted on Nov 08, 2013

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1 Answer

Volume works but picture wont show


It is likely your TV has power supply trouble.

Nov 08, 2013 | Hitachi P42H401 42 in. Plasma HDTV

1 Answer

No power on Hatchi p42h401 allready replaced power supply


IF you got a good board and a lot of replacement boards aren't good the only other thing that would make the set dead is if you have a bad main board, if your able to pull the back off and test the either 3.5 or 5 volt standby voltage if its ok then look at the PSON voltage, it should be at a half volt and go to about 3.5 when the power button is pushed..if you don't have standby you have a bad power board yet, if you have standby but no PSON the main board is bad, if you have PSON its back to the PS as being bad...Good luck!!

Feb 01, 2018 | Hitachi P42H401 42 in. Plasma HDTV

1 Answer

I have a 42 inch Hitachi plasma tv that is making a very loud static noice coming from the internal speakers. It stays at a contstant very loud volume unless I completly mute the tv or turn the volum


Based on what you have tried if a buzz or loud static via the speakers you have something wrong in the audio output circuit of the set--problem here is that circuit may be part of the Main board that processes all signal---a look inside---following the speaker leads back would lead you to that board.

A simple thing to do to narrow it a little (you may have done this) is with sound all the way off put your ear to the internal speaker--hear anything at all like a deep hum?

Depending on age of set and cost of the board likely bad it may or may not be a do it yourself repair.

SD TECH

Apr 26, 2012 | Hitachi P42H401 42 in. Plasma HDTV

1 Answer

Does anyone have the table top stand for sale ? tia


You can order a replacement stand assembly for this model (P42H401) from a major Hitachi parts distributor at the link below:

Hitachi P42H401 Replacement Part Stand Assembly / Table Top Stand

Apr 15, 2009 | Hitachi P42H401 42 in. Plasma HDTV

1 Answer

Can i hook up my computer to my hitachi tv? model # p42h401


Yes

I believe there is a Suitable port on the TV for this. Typical VGA (D-SUB) Cable will suffice same as monitor.




Mar 19, 2009 | Hitachi P42H401 42 in. Plasma HDTV

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