Question about Pioneer VSX-94TXH

3 Answers

Issues with Pioneer VSX 94TXH receiver

1. Using a Scientific Atlanta 8300HD set top box, the HDMI connection will not work. No audio or video goes through the receiver, and the HDMI indicator on the front blinks every so often, I assume to establish an unsuccessful handshake. Because of this, I'm forced to use component cables for the video and optical for the audio. This generally works, but see problem 2.

2. For all component video sources (cable, Xbox console), we sometimes experience snow/video noise on the TV at random times. The only way to remove this noise is to switch the input select back and forth on the receiver to reset the input and then the video is fine. This does not happen in any predictable fashion, but it's still quite annoying. This does NOT happen with my Blu-Ray player, which is using an HDMI connection into the receiver.

FYI - the video output from the receiver is HDMI-to-DVI to the TV. While I'm curious how to resolve issue #1, I'm more concerned about how to resolve #2.

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  • 7 more comments 
  • gs_scooter Jun 20, 2009

    While I accept the advice of checking with the cable provider about the HDMI port of the set top box, the rest of my question(s) weren't really addressed, especially issue #2 with the occasional video noise for component video sources.

  • gs_scooter Jun 20, 2009

    Understood about the insignificant difference between HDMI and component, but still looking for help on video noise issue.

  • gs_scooter Jun 20, 2009

    One reason for excessive noise may using a low grade component video and running it accross several high voltage wires.

    Thanks for the response. Could you please go into more detail on this? I'm not completely following you here.


  • gs_scooter Jun 20, 2009

    Understood. Unfortunately, there's nothing I can do for the gaming console since the component cables are proprietary. For the cables from the cable box, is there a particular brand of cable to look for or something that indicates the level of shielding?

  • gs_scooter Jun 20, 2009

    They make simple devices that you can add to interrupt the shield and
    help cancel out noise if this is the problem. You can get them fairly
    inexpensive.


    Could you provide a link to one of these devices so I can see what you're referring to?


  • gs_scooter Jun 20, 2009

    The game console is only proprietary because of the end that plugs into the console, all the rest is the same as any other.

    Right - what I was questioning was whether or not there was anything I could do about the shielding quality of the gaming console cable.


  • gs_scooter Jun 20, 2009

    I don't see an example of the isolator in your post..?

    The components are all plugged into a surge protected strip that's plugged into a 3-hole outlet.


  • gs_scooter Jun 20, 2009

    Thank you very much for this. Do you think it's worth putting the game console through the isolator or is there anything else you think I should look at?


  • gs_scooter Jun 23, 2009

    This thread made the most sense in trying to isolate the problem and get past it. Excellent.

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3 Answers

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  • Master
  • 334 Answers

Hey, there, sorry I have to ask the simple questions first. One reason for excessive noise may using a low grade component video and running it accross several high voltage wires. Another problem which may be more likely is a grounding issue on your reciever. Let me know about the wires first.

Posted on Jun 20, 2009

  • 4 more comments 
  • seth veloso Jun 20, 2009

    depending on the type of shielding material used in your component cables depends on how well it keeps out electrical noise. Noise from power cables for other devices, radio noise. Also, for each device, all the cables should be the same type and length, otherwise this will throw off the timing of the video signal

  • seth veloso Jun 20, 2009

    Sorry, my phone rang. If you unplug everything except for your tv and one device that seems to be giving you problems with the component quality, that will reduce the "electrical noise" in the area. They make simple devices that you can add to interrupt the shield and help cancel out noise if this is the problem. You can get them fairly inexpensive.

  • seth veloso Jun 20, 2009

    sure, let me find one for an example. The game console is only proprietary because of the end that plugs into the console, all the rest is the same as any other. I'll get right back with ya

  • seth veloso Jun 20, 2009

    Here is an example of an isolator. They do make some with cables on one side so you don't have to buy another set but this is the basic item. Also, just to make sure, you did not bypass or remove any of the ground plugs on your power cables or have a two hole outlet do you?

  • seth veloso Jun 20, 2009

    Oops, sorry bout that here you go

    http://www.tekcable.com/component-video-...


  • seth veloso Jun 20, 2009

    You could try to isolate the wires behind your cabinet (try to route them away from your power cables and cable tv cables). If that doesn't work, you have some sort of grounding issue and that device is going to be the easiest way to fix. You can use it on whichever device that makes you want to throw it out the window, game console included. There may be one other thing that I doubt will help but if you are plugging all your devices into different electrical circuits (different breakers in your panel) that can also be the issue but rarely is since all your devices are close together.

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  • Pioneer Master
  • 76,109 Answers

My cable box has a HDMI port, but it is not connected inside the box, it is the same brand of box as yours, not all ports work on these boxes, I would recommend u not use it, on broadcast TV there is very little diff between HDMI and regular RCA cable connection, the important differences are in DVD, esp Bluray..

Posted on Jun 20, 2009

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  • Master
  • 3,917 Answers

Hi,

Make sure you have the cable box set to push signal to the HDMI out. It should default to that hookup when it's active but there's a chance if you had it running off of componenet and moved to HDMI that it needs to be switched at the box from the cable box's menu.
Also make sure you have the TV set to the HDMI input. You shuld not have coax going to the TV if the HDMI is hooked up, unless you are running a splitter BEFORE the HD box to get the analog band in as a second input for Picture and picture purposes.Call TW and make sure that the HDMI port is active. It's possible that they did not activate it under the current firmware version. Although you may not get the correct answer from the customer service rep. Tell them you want to talk to a tech supervisor or someone in converter staging.

Go to the DVD player's setup menu and make sure you output video over the HDMI port.

Due to copy-restriction issues, DVD players can only output up to 480p over component.

After you connect all cables, if you still see no video:
Leave TV on
Turn off the player and then on. This allows the player to recheck HDCP settings with the TV. If it does not work, you have a bad cable. Try unplugging the audio cable, you may be canceling out the signal by having two things plugged into your DVD payer.
-If you have two HDMI cables and your receiver has a HDMI INPUT and OUTPUT you can connect that way for the time being.
-Make sure the HDMI port you're plugging into on the TV is for INPUT. My TV has two INPUTs and one OUTPUT.
-Check your TV and DVD players user manual and if you don't have one download it. My TV or my PS3 required a special set up in the menu when I decided to use the HDMI. Thanks for contacting Fixya

Posted on Jun 20, 2009

  • e-Guru
    e-Guru Jun 20, 2009

    try running your A/C from TV to your reciver swichd outlet sound like it could be a grounding problem.This will put all ac from same outlet to the same componets.And will elimanate any difference in potencial .



    Thanks

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1 Answer

DVI / HDMI problem


This problem is almost certainly on the 8300HD side of your setup. URL for the 8300HD, just in case you need it: --> http://www.scientificatlanta.com/products/consumers/userguidepdfs/4013171.pdf Dittos for the TV, just in case: --> http://www.samsung.com/us/support/download/supportDownDetail.do?group=televisions&type=televisions&subtype=dlptv&model_nm=HCN4226W&mType=UM&dType=D&vType=L&cttID=37697 You're using the HDMI-to-DVI cable to connect, and I see that the manual warns on the bottom of page 11 that some DVI connected HDTVs are incompatible to the signals that are output by the HDMI interface. First thing to try - when you change the settings in the 8300HD, in the "General Settings > Audio", see if you have this problem with all of the possible selections, or if it's only with the "Dolby Digital" setting. Since the HDMI also contains the audio signal, it may be interfering with the DVI recognition in the TV. OR - See if you still have this problem when turning the TV on first, then the 8300HD. Or vice-versa. The power-on order of the two devices may make a difference. OR - With the TV on and with the 8300HD off, press the GUIDE and INFO buttons at the same time. Using the on-screen menu, verify that it is set to HD mode. Press the POWER button on the 8300HD when finished. OR - Replace the HDMI-to-DVI cable with a PrPbY/V component cable, available at Radio Shack, Best Buy and other electronics stores. One of these options should solve the problem. If not, you'll have to start sending e-mails to Sci-Atl and Samsung. Hope this helps! ;)

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Component cables don't have the ability to carry decrypted HD info.

HDCP is "High Definition Copy Protection"...In theory, it prevents you from running the HDMI cable out of your receiver, and into a recording device, thereby recording HD content without a license for it.

HDCP handshaking is done between devices that run HDMI, or DVI.

If you're running component from your Cable box, and then HDMI out to your TV, then the content you're carrying from the Cable box may not be getting decrypted properly when it gets upscaled onto the HDMI port from Component.

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