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Thread: Extend HDMI signal 50'/15m

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    Default Extend HDMI signal 50'/15m

    To all here who can give advice, I need to extend an HDMI output signal 50f/15m from Sony AV amp to Sharp Aquos 70" flat screen!



    I HAD this working with a 50'/15m HDMI cable from a local store, until the client ripped one end off the 50'/15m cable.

    See pic attached



    50' Blackweb high-speed HDMI cable
    In-wall rated with active video processor
    Optimized for high bandwidth 4K HDR devices, HDTVs, DVD and Blu-ray players and streaming boxes
    Up to 7.2 surround sound
    Delivers a full 4K signal
    Supports 4:3, 16:9 and 21:9 aspect ratios
    Model# BWA17AV002
    Plug and play design


    I bought the exact same 50'/15m HDMI from the same local store to replace it and the second time around, NOTHING. I tried ALL HDMI inputs on the Sony Aquos thinking that maybe when the original 50'/15m HDMI cable end was severed it might have shorted THAT particular input. But later, as below, the 25'/8m HDMI cable worked fine on all HDMI inputs!

    I went into the Sharp Aquos menu to see if there were any possible adjustments or tweaks available, (but thought why look, it worked fine before) and there were no switchable/adjustable options offered!

    If I use a 25'/8m cable, strung across his living room floor (not an accpeted permanent solution) there are no problems HDMI display is excelent. This is whether I connect the 25'/m cable directly from one of 3 sources (Cable Set top box, DVD/BluRay, MeCool media streaming device) or from the HDMI output on the Sony Amp.

    I tried buying an inline HDMI booster/extender and NOTHING happened, as a matter of fact when I put the HDMI amp inline with the 25'/8m cable (which worked fine passing the HDMI signal on it's own) it blocked the HDMI signal!

    See pic attached



    Video Output Support: 24/50/60fs/1080p/1080i/720p/576p/576i/480p/480i
    Max Transmission Bandwidth: 4.95Gbps
    HDMI Input: 24/50/60fs/1080p/1080i/720p/576p/576i/480p/480i
    Max Transmission Rate: 165MHz
    HDMI Connector: Type A 19Pins Female
    HDMI Output: 24/50/60fs/1080p/1080i/720p/576p/576i/480p/480i
    Operating Humidity rang: 5 to 90%RH (No Condensation)
    Color: Black
    Input Video Signal: 1.2 volts p-p
    Video Input Support: 24/50/60fs/1080p/1080i/720p/576p/576i/480p/480i
    26 AWG HDMI Cable up to 40M
    Operating Temperature range: (-15 to +55Deg.C)
    Output DDC Signal: 5Volts p-p (TTL)


    Any suggestions on getting the in wall HDMI extension working again (remember it HAD worked at one time from either/any of the sources or Sony amp)?


    Remember the real bite in the ass, is that the SAME 50'/15m cable worked fine until the end got ripped off!



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    It could be just the fact that the new cable is a dud, have you taken it back and asked for a replacement, or had them prove it?
    I'm out of my mind, but feel free to leave a message...

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    I had thought about that Isemmens, but the "bad/ripped end" original "WORKING" 50'/15m cable was buried in the wall and floor crawl space and what a job it was pulling the replacement 50'/15m cable thru. The first cable was pulled while the crawl space under the living room extension was still open! I guess I could try a second magic trick and pull it back out. But I had tried two 25'/8m cables, laid out across the new LR ext floor, with a double female ext(see below) and same result no HDMI display. And then the HDMI amp wouldn't work with either both 25'/8m cables or with just one!



    To replace this first cable I needed to pull thru "3" - 90 degree turns with the floor closed up. How I pulled the replacement 50'/8m cable thru the first time (like I said above) was a magic trick. The client was amazed and I thru him a look like, yeah I do it everyday . . .! When i was an electrician one of the things you were taught was that you CAN'T pull cable/wire thru 4 90's in conduit. And 3 is almost as impossible.
    Last edited by cmangle; 29-03-18 at 11:54 PM.

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    The cable spec of the original (and replacement) says 'In-wall rated with active video processor' so it has some form of processor/booster inline?

    I also suspect the identical replacement may be a dud. I've come across a few faulty new HDMI cables previously.

    The other booster/repeater you tried may perhaps not be compatible... HDMI can be very temperamental at times.

    I've had very good results using Cat6/HDMI baluns, over much longer cable runs.

    I use that method all the time when I require an HDMI cable run, typically over 5 metres.

    There's also wireless HDMI TX/RX which may be another option.

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    I had thought about that Isemmens, but the "bad/ripped end" original "WORKING" 50'/15m cable was buried in the wall and floor crawl space and what a job it was pulling the replacement 50'/15m cable thru. The first cable was pulled while the crawl space under the living room extension was still open!
    Is there any chance you have damaged the replacement as you say you had a hell of a job 'pulling it through'??

    Not a cheap option but your getting nowhere at present so my suggestion is to buy a new cable and lay it out across the floor and see what happens.
    Last edited by gordon_s1942; 31-03-18 at 02:42 PM.
    I stand unequivicably behind everything I say , I just dont ever remember saying it !!

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    Quote Originally Posted by gordon_s1942 View Post
    Is there any chance you have damaged the replacement as you say you had a hell of a job 'pulling it through'??

    Not a cheap option but your getting nowhere at present so my suggestion is to buy a new cable and lay it out across the floor and see what happens.
    Yup, gordon_s1942, thats tomorrows plan, if it works, then its the magic trick again pulling old/bad/defective cable out from the walls, floors, and crawls space.

    I don't think I damaged the second cable pulling through, as I put a lot of "monkey cum" aka wire lube, on cable as it was being fed. It wasn't one continuous pull but separated into two separate segments, from Sharp Aqous down wall across floor (crawl space) into basement, and then across basement up wall to Sony AV Amp. It WAS one continuous pull but I pulled all of the slack into the basement and then up the wall with the balance!

    I'll let you know how I make out . . . .

    Thanks all
    Last edited by cmangle; 31-03-18 at 06:07 PM.

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    Ya know what is interesting though, I had two 25'/8m HDMI cables that each worked fine by themselves, but when I used the HDMI coupler above or the HDMI in-line amp no HDMI signal passed thru! Even when using one of the 25'/8m HDMI cables and a short 6'/2m HDMI cable with the HDMI coupler above or the HDMI in-line amp no HDMI signal passed thru!

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    Browsing the website at might cast some light on the situation regarding joining HDMI cables together.

    Pay attention to the comments regarding the need for sufficient current availability to supply in-line amps etc.

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    If you have to pull it again I would pull in a Cat5/6 as well if possible. Then if the second HDMI cable doesn't work you can go straight to a HDMI extender.

    Only problem I have had with extenders is they may need to be power cycled sometimes (usually weeks/months apart).

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    Okay I hate to admit it but I lucked out the FIRST TIME when I ran the 50'/15m HDMI cable and put the ends correctly to each HDMI plug (credence to mtv noticing an in-line signal processor). The second time to replace the ripped end HDMI I did NOT.

    The attached pics will tell the whole story . . . .



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    In other words, you had source for destination and destination for source i.e. cable back to front/wrong way round?

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    Lesson learnt.... I'm sure you won't forget to check if/when you run another 'one-way' cable.

    Pleased you got it sorted... albeit with a bit of embarrassment.

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    Yes and Yes Tristen and mtv !

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    Quote Originally Posted by mtv View Post
    Pleased you got it sorted... albeit with a bit of embarrassment.
    mtv it's worse than that, after I ran the second replacement cable across the new living room floor, CORRECTLY matching TV to TV and SOURCE to SOURCE and seen that it worked correctly, I then had to pull this newer cable thru the wall/floor/crawlspace/wall to replace the "wrong ends" first replacement cable!

    Didn't I splice the wrong end to the already "in wall" cable, SOURCE to TV and ended up in the same spot as before ????

    So a THIRD cable pull was required . . . . .


    I'll never smoke weed with willie again!
    Last edited by cmangle; 02-04-18 at 02:45 AM.

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    Quote Originally Posted by tristen View Post
    In other words, you had source for destination and destination for source i.e. cable back to front/wrong way round?
    Yes Tristen . . TWICE!

    I tried to share the "idiot" wealth, and said to home owner, "What you didn't see it was the wrong end either?" He was upstairs "feed man" as I was pulling from the basement/crawlspace!

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    Well, it's all history now so you can sit back and relax for a while.

    We have all made silly mistakes at times, but the important thing is to learn from them.

    Sometimes it can be an expensive lesson in time, finance and frustration.

    Let's hope that your next 'adventure' is a pleasant one.

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    I am a bit slow at times but am I right in understanding that you are NOT using HDMI cables with plugs already connected but are fitting your own and connected the plug incorrectly?
    I stand unequivicably behind everything I say , I just dont ever remember saying it !!

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    Quote Originally Posted by gordon_s1942 View Post
    I am a bit slow at times but am I right in understanding that you are NOT using HDMI cables with plugs already connected but are fitting your own and connected the plug incorrectly?
    How on earth did you come to that conclusion, Gordon?

    He's using pre-made HDMI cables.... he even included pics of the connectors which are moulded onto the cable.

    If the OP was able to just fit connectors, the simple fix to the original broken connector would have been to just fit another connector.... no need then to replace the whole cable.

    (If only it was that simple)

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    Quote Originally Posted by gordon_s1942 View Post
    I am a bit slow at times but am I right in understanding that you are NOT using HDMI cables with plugs already connected but are fitting your own and connected the plug incorrectly?
    I must be contagious gordon_s1942, in the same way you didn't see the pics above, THREE times in a row I didn't see the printing "TV" and "Source" and connected the wrong end to the wrong plug as well as in-line amp. There may be a trip to the optometrist in the near future!

    . . and yes Tristen, grasshopper is enlightened and will persevere not to make same mistake again! 8^)


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    . . and yes Tristen, grasshopper is enlightened and will persevere not to make same mistake again! 8^)
    At least until next time...........[runs][hides]
    I'm out of my mind, but feel free to leave a message...

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