Question about Hitachi P50H401 50 in. Plasma HDTV

1 Answer

I have a hitachi p50h401 and sound went out. someone said update software how do you do that? Thank You

Posted by on


1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.


    An expert that has over 500 points.

  • Expert
  • 247 Answers

Well if the sound went out it may have only effected 1 output source, What type source are you using, HDMI, RCA, Composite, DVI, VGA with mini adapter? If for example the HDMI, port you are using has simply lost sound to that port, HDMI carries both sound and video so simply moving to HDMI 2 or even 3 may solve this issue. Also i would suspect the cable you are using, HDMI cables are often defective. If you are using coax thru your cable company i would also change that coax from your tv to the hd box.

Posted on May 28, 2011

  • 4 more comments 
  • jap3232 May 28, 2011

    hulk917 I am getting sound from my dvd player with surround sound. Cable company was here a few months ago and put new cables and box and checked everything and told me I had no sound anywhere. I thought it was a problem with the hd cable receiver but they said it is the tv. any ideas? TY

  • John Waters
    John Waters May 28, 2011

    Interesting, I have heard this problem many times, I use to work for Charter Com, Cable and Internet tech support, and this issue is always a cable, are you running an hd box and if so are your coming in from the box via hmi or coax?? Often thee are also SAP settings in some of the newwe models that will only effect your cable.

  • jap3232 May 28, 2011

    It was a charter rep that was here. I have a new hd box and he put new cables from the box to the tv the hdmi cable I think goes from my surround sound to the tv. He took the cables and checked the tv sound with both hdmi and the regular cables. also checked the settings on the tv it was all ok but no sound. I did have a bad hd box which was replaced. My screen would turn green when changing channels. I have a booster in the house because of signal strength and have had a few problems with the cable company

  • John Waters
    John Waters May 28, 2011

    Hmm i see a surround sound system is in the mix, try bypassing the surround sound system and go to the tv directly from the hd box and see if your getting audio from the tv itself. I would also consider using the color stream rgb cables to rule out a hdmi port issue. also did you check your sap settings in the tv itself if sap is on turn it off. often sap settings can trigger a silent mute.

  • John Waters
    John Waters May 28, 2011

    Also was wondering have you tried bypassing the hd box completely to see if basic cable without the box has audio. I worked for charter for about 5 years and have seen some pretty bad issues that often turned out to a misdiagnoses by the field tech whom installed the set up.

  • jap3232 May 28, 2011

    I know the rep did all you said he bypassed the box and went direct to the tv also the tv in the right hand corner has ypbpr:3 when you turn it on that is something that just started. You sound just like the last rep here. I am not sure about sap couldnt find it in the settings but I know the rep checked some things in the settings and reset them to factory start. TY



1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Good luck!

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

I have a hitachi p50h401 tv. when using the hdmi input i do not get sound out of the rca audio outputs. how can i get sound out the rca outputs

Check the manual. I doubt that the rca audio is for output. More than likely it's the audio input when using composite video.


Nov 09, 2014 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

Cant update my hitachi P50H401 with downloaded firmware update

If you wish to get some details; check the site linked here. Pull up older posts.
Firmware (Software) update procedure of many popular brand TVs and other devices are given in detail. Search the site by type in the "brand name" of your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Mar 05, 2011 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

I have a hitachi p50h401 50" it has picture but no

I would check the software and make sure it's the latest or upgrade.

Jan 23, 2011 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

My hitachi P50H401 will not turn on. No sound no

check your sdr boards. you can test them with a multi meter. they are known for going bad. what happens is the two caps by the output go bad on the power supply and they make the sdr boards burn out. you can replace the two caps and save lots of money. then please check out this web page

This web page has info about repairing these. The 4 flashing lights maybe the x sus or the y sus but it's still a good idea to check the sdr boards since its a common failer. I had one tv with a bad sdr board flash 3 time and another set it was flashing 4 times.

Nov 16, 2009 | Hitachi P50H401 50 in. Plasma HDTV

2 Answers

Hitachi P50H401 display problem

it is problem your TV high voltage unite(EHT)
change it by authorised service centre

Aug 28, 2009 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

I have exactly the thame probleme for the thame Hitachi P50H401

the most common problem in this tv. is the
tv. inverter you have sound but not picture
check the price at that
part you can change your self and save money

Aug 15, 2009 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

Broken plasma display panel

hi,i have same hitachi p50h401,just over a year old,mint condition never use stand but boards inside have some problems(blue light is flashing but tv not turning on).will sell it or buy yours.thx oliver.e-mail to

Aug 09, 2009 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

Hitachi 55 s69 plasma

Do you have the menu on screen??

If you dont have image, maybe you need change the Y-Sus PWB and the SDR´s

Sep 15, 2008 | Hitachi P50H401 50 in. Plasma HDTV

2 Answers

Hitachi tv please help

I write the same in other consult

Jul 09, 2008 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

Hitachi P50H401 50

The problem occurs when the broadcaster changes the audio type in the digital stream.The firmware update will fix this issue.

Dec 15, 2007 | Televison & Video

Not finding what you are looking for?
Hitachi P50H401 50 in. Plasma HDTV Logo

220 people viewed this question

Ask a Question

Usually answered in minutes!

Top Hitachi Televison & Video Experts

Jaime Hernandez

Level 3 Expert

2336 Answers

The Knight
The Knight

Level 3 Expert

75289 Answers

Donald DCruz
Donald DCruz

Level 3 Expert

17130 Answers

Are you a Hitachi Televison and Video Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides