How do I turn off power save on my hitachi tv

Not sure I understand the question. Do mean saving audio settings? If you're talking about settings, they should save automatically or ask you to save changes before exiting the setup menu.

I have read the user guide for this Plasma tv available free from here http://www.nodevice.com/download/user_manual/hitachi+42pd3000/132819.html
There is no mention of 'power save' mode whatsoever.
If you meant 'sleep mode' that is referred on page 30 of the manual.
Other than that, there doesn't appear much else you can change.

First do you see a light indicating that the TV has power? There are two power buttons on the TV (the main power and the regular power button). The red standby light will light up when the main power switch is on. This indicator is just to the left of the remote I/R sensor. You can find the main switch on the bottom front of the tv (it is under the tv forward of the stand). Turn on the Main power if it is not on. Then try the power button on the control panel of the TV again.

Does the standby light change color or blink? (Red is standby, orange is power savings (no signal), blue is on.) If the main switch is on and the standby light doesn't come on, the TV has a problem at the power supply. Try unplugging the unit for a bit (at least 30 seconds) and then plugging it back in. This will reset the internal circuitry. If you see a blinking light, then the TV is reporting a self-test failure. I do not know the codes for this model Hitachi Plasma TV.

The manual for the Hitachi P50H401 TV is available from Retrevo: http://www.retrevo.com/support/Hitachi-P50H401-TVs-manual/id/1233ci869/t/2/ . You will need to enter a code to access the pdf.

I'm assuming you don't have one of the special versions that were intended for large audiences that were only controlled by remote (no control keys on the front of the TV). Remotes.com has the original remote or a substitute remote if you need it. See http://www.remotes.com/remotes/servlet/rs?a=gmi&uuid=13104063628240&smodel=P50H401&brand_pn=HITACHI_P50H401 .

I hope this helps.

Cindy Wells

Hello there,

Step 1: check all connections redoing them if needed mean remove the cables and plug everything back in .

Step 2: check the plug, plug something you know works into the plug to Test it

if the plug has power plug the TV back in and try the front panel button to turn on the TV if the TV still doesn't turn on let me know and we try a few more steps

Thank you don't forget to Rate

you are not getting a signal change soure ie box or dvd player and input jack then try

my hitachi projection tv 53uwx10b screen is black with no sound or picture when the power button is on

Replace micro fuse F903 (5amp). It's located near the biggest 2 caps. in power supply area.

Just try to reset HDTV. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can save time.
1. Unplug the TV power cord from the power outlet.
2. Unplug any connected devices (DVD, Set-top boxes, etc...)
3. Press and hold the TV power button for five seconds.
4. Plug the TV power cord back into the power outlet and turn on the TV.
5. Open the on-screen menu to confirm that the TV is responding again.
6. Turn off the TV and reconnect the devices.
7. Turn on the TV.

Regards:
VOTIT

Just to reset first before proceed another procedure;

Resetting the TV
NOTE:
Some TVs have a reset button. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can save time.
1. Unplug the TV power cord from the power outlet for 4 - 6 hours.
2. Unplug any connected devices (DVD, Set-top boxes, etc...)
3. Press and hold the TV power button for five seconds.
4. Plug the TV power cord back into the power outlet and turn on the TV.
5. Open the on-screen menu to confirm that the TV is responding again.
6. Turn off the TV and reconnect the devices.
7. Turn on the TV.

Hope it may help you;

Regards,
VOTIT