Question about Hitachi 42EDT41 42 in. HD-Ready Plasma Television

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Side speakers one of my side speakers is blown in im trying 2 remove it..

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Re: Side speakers

So...are you looking for a replacement speaker or instructions on how to gain access to it? Either way, I can help you.

Posted on Mar 08, 2008

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Im getting sound but no picture


Problem is in either power supply or the Y-Sustain board.

The Y-Sustain is a relatively large board out of which go connections to the side of the display; it's therefore closer to either the left or the right side of the display, has at least one rather large heat sink on it and fat power cables connecting it to the main power supply.

Often there are fuses on that board - one or more. Check those.

if they are blown you can try to replace them, but expect them to blow again - usually the whole board needs to be replaced.
take care in handling the set....

Aug 04, 2011 | Maxent Flat Panel Televisions

1 Answer

I have no sound on my tv

check if the volume control is set at minimal or the sound is set at mute... if its under warranty just bring that to the store or to the authorized service center. if not try this simple steps... (1) unplug the unit from the wall socket (2) place the unit on a flat surface. make sure not to touch the screen. (3) unscrew to remove the protected cover (4) look at the speaker. check if its properly connected. check if the speaker is not busted or open by testing the speaker. (5) if you have an ohm meter just place the test prod on the speaker terminal. it should read 8 ohms or what ohms the speaker is specified. if you don't have a ohm meter try to use a 1.5 volts double AA or triple AAA type battery.but first remove the connection of the speaker so that you will not damage the unit.. using a battery place the positive side to one side of the speaker terminal. use a piece of wire to connect the other side of the battery to the one side of the speaker. once you place, you should hear a crackling sounds... if not the speaker is the problem. (6) replace the speaker. and connect it back from the terminal. (7) place the protected cover back to its original position. (7) turn the unit on and enjoy.... ty

Jun 23, 2011 | Philips Flat Panel Televisions

1 Answer

42 inch philips plasma tv model # 42PF7321D im pretty sure that one of my speakers are blown on the right bottom side it sounds really annoying i just want to know how i can fix it myself or how much it...

Here's the main support page for your unit in case you need the User manual or other documentation:

You may need ADOBE READER installed on your computer to read the USER MANUAL - PDF documents.
You can download this free at WWW.ADOBE.COM if necessary.
Click on the DOWNLOAD ADOBE READER button on right side of the ADOBE home page when you get there.

Assuming the warranty is expired, you should have no problem disassembling the unit enough to access the speakers with just a phillips screwdriver.

Normally you just lay the unit screen side down on a soft flat surface like a bed. Just make sure nothing will gouge or scratch the screen.

Then just remove screws for the stand and pull it off (see page 2 of the Online Owners Manual).

After that you can remove all the screws from the back panel and remove the plastic enclosure.

You should be able to access the speakers from there.
Here is a link to some spares from EBay:

I didn't actually see any speakers for your exact model, but the online selection changes constantly so you may just have to get lucky and spot one that will fit.

The other option is to just go into your MENU and turn the speakers off. Then just use the rear outputs to feed into a home stereo / home theatre system for your audio.

Please comment back here to this page if you have any questions, have difficulty accessing the links, or just require further general assistance and I will respond as soon as I see it.

If this was at all helpful please click on the 4 Thumbs Up helpfulness rating icon you see on this page.

Thank you very much and good luck.


Feb 25, 2011 | Philips 42PF5521D 42 in. HD-Ready Plasma...

1 Answer

How can i fix the blown speaker

If it has headphone jack, try to see if you get both channel OK. I would use the powered PC speakers attach to the Audio Line out RCA jacks than the cheap buit-in speakers, just make sure that you set the audio set up for the Audio Line out to be variable so you can use the remote to adjust the volume, and just set the PC volme to about mid point instead.

Nov 11, 2009 | Protron PLTV-32 Television

2 Answers

The speaker sounds like it is blown but the volume

could be the sound output IC,is the sound via the headphone ok?

Aug 03, 2009 | Flat Panel Televisions

2 Answers

Red bar/green bar on left side of vizio plasma

POSSIBLE solution:
We have the same problem on our 42" Vizio plasma screen. I've had many conversations with the tech at Vizio, and they said it's an inherent problem with the screen (whatever that means) that can't be fixed, or is not worth fixing (as another comment says).

But...when a cable guy came to install a new dish, I told him about it, and he said he's seen it before on other plasmas, and that it may be caused by the sound speakers being placed either too near or in the wrong position near the tv.

He said there are magnets in the speakers that will throw off something in the screen.

We have a Bose sound system, and so we tried repositioning the speakers and subwoofer. The line did go away, but then came back. It comes and goes.

Who can figure this out? Well, for what it's worth, try repositioning your sound speakers.

Apr 20, 2008 | Vizio P2 42 in. HD-Ready Plasma Television

1 Answer

Remove base from television

Remove 2 screws on the back bottom by the stand.

Remove 4 screws, two on each side about 3/4 of the way toward each edge.

Pull TV up to remove from stand. Put plate and 2 screws back.

Can see this if you download the manual from the hitachi site. Just do a search for the model no. on their site's search engine.

Mar 22, 2008 | Hitachi P42H401 42 in. Plasma HDTV

3 Answers

How to Remove the Base

I have an Olevia 42" TV. I was able to remove the base by removing 16 screws on the back side. They were arranged vertically in 4 sets of 4. The screws go through the back panel, through the base and attach (without nuts) directly into the inside of the TV. After removing the 16 screws the stand simply slides out.
I tried removing two screws underneath the base area. They were small screws and were a pain to remove. I thought I would try that first instead of removing 16 screws but that did nothing.
Good luck!

Dec 10, 2007 | Olevia LT42HVi 42 in. LCD Television

2 Answers

Humming noice

I have seen similar problems (features?) with Syntax LCD TVs. One thing to try is to make sure that the backlight brightness is set to its highest setting. On my Syntax, when this is set to a darker setting, it produces annoying hum through the speakers. Mine also is smart about turning *off* the audio amplifier when set to zero (or mute), which sounds like the behavior you are describing.

Apr 17, 2007 | Sansui HDPDP4200 42 in. HD-Ready Plasma...

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