Question about Hitachi P50H401 50 in. Plasma HDTV

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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

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  • 324 Answers

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

i have a hitachi p50h401 tv. when using the hdmi i - 41760e19-ce5c-4e34-8c92-b2bca3f75e4f.png

Posted on Nov 09, 2014

Testimonial: "the rca jacks are marked audio output"

  • Ray Savellano
    Ray Savellano Nov 13, 2014

    From the manual: • S-VIDEO monitor output may be used for recording only when the input is of S-VIDEO type. So HDMI in will not provide audio out on the rca jacks. You will need to use the digital audio out.

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Posted on Jan 02, 2017

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SOURCE: HDMI Malfunction

You may have to activate that imput through your menu.Alot of plasmas have the ability to mute imputs.

Posted on Mar 03, 2008

Fujitsu
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SOURCE: Hitachi Plasma TV model P50H401

I think you have problems with the digital main PWB.

If the power PWB failed, turn off and change the pilot ligth to red.

Posted on Nov 28, 2008

  • 8457 Answers

SOURCE: my hitachi P50H401 not turn on, just the blue

Ur power supply it dead.must replaced.

Posted on Nov 10, 2009

Testimonial: "thanks a lot but I need the diagram for it or who can do it."

  • 1 Answer

SOURCE: Problem with Hitachi P50H401 Plasma TV - Will not

I have the same model, P50H401 and it developed the same problem two days ago. This set is 2 1/2 years old in service, being purchased in December 2007. The original manufacture date was October 2007.

The set was turned on and operating at the time and then promptly shut down by itself. The front blue LED power indicator began flashing four times in a loop or cycle.

The flashing LED sequence in this instance points to a problem with one of the following boards: PSU, X-Sus, Y-Sus or SDRs (there are two SDR boards, SDR-U and SDR-D, both are connected off of the Y-Sus board on the left hand side of the frame when rear facing). The set shuts down to prevent further damage to other boards or components.

I could power cycle the set but it would shut down after after a few seconds. Power LED would stay solid, I could hear the PS relays switching, and audio would output through the speakers. Then as the screen was just about to illuminate, the entire set would just shutdown. The blue LED would again go into the 4X flashing sequence.

I could not visually detect any signs of severe component damage on the main PS board. The two large electrolytic capacitors which have been mentioned as problematic in other threads seems fine. The where slightly raised on the top surface, but not blistered or completely blown open.

The only indication of component damage that I could detect visually was on one of the small surface mounted ICs on the SDR-U board.

Through reading other posts on this site, I learned that I was able to remove the suspect SDR-U board and then re-power the set. Doing this proved that the PS, X and Y Sus, and the SDR-D boards where o.k. The PS held, and the lower half of the screen illuminated. (I would only do this for as brief a period as required to determine if the the other boards would function and the screen would illuminate. Do not pro-long operation in this state so as to not cause further damage.)

It was somewhat difficult to locate the correct SDR-U board. My local service rep did not have one in stock, and the Canadian parts distributor was also out of stock. They estimated 10 - 14 business days to order one up from the U.S.A. (Hitachi closed their consumer electronics division in Canada back in 2009.)

By chance, I checked with another service rep in an adjacent town. He had a board for the P55. We did a visual comparison on the two boards and determined that it would be compatable.

The easy part was removing the defective SDR-U board and installing the replacement. The hard part was re-alinging the three ribbon tabs into the respective connectors on the SDR board. Be careful with these ribbons. The other end of each is fused to the plasma panel screen, so if you damage them, your screen is rendered useless.

I initially had the same problems as others have posted with having black or gray lines on the screen when the SDR-U was replaced. After gently adjusting the position of the ribbons as they are seated in the connectors, the lines disappeared. This was a slow and frustrating procedure, but it worked, Be patient.






Posted on Jul 03, 2010

  • 33 Answers

SOURCE: 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 http://www.hometheatershack.com/forums/hitachi/38229-hitachi-p50h401-led-flashes-3-times.html

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.

Posted on Feb 22, 2011

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I can't find your TV model to have a look at the manual. Normally you'd use a 3-plug RCA cable (Red, White, Yellow) to connect the audio and video outputs of the DVR to an RCA input on the TV. Then, hoping you have RCA OUTPUTS from the TV, you'd use a 2-plug RCA cable to take an Audio OUT from the TV into one of the receiver's Audio inputs (assuming you want to play TV sound through the receiver.
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I have a feeling the headset jack on the TV is an output rather than an input. Most TVs accept HDMI, RCA, or a digital audio input (either coaxial or optical). Unless you have a S/PDIF optical output from your laptop (and you obviously don't have an HDMI output), then your only other choice is likely to get a cable that splits a 1/8" headset type connector into two RCA plugs that you'll plug into an AUDIO IN input on your TV.

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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.

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42PG20 Connections
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