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SNES RGB cable woes

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Comments

  • #52
    steve_r
    Registered Users, Registered Users 2 Posts: 2,043 ✭✭✭steve_r


    EnterNow wrote: »
    A SNES RGB cable can't be great quality for £3. Also, the picture enhancing technologies of hd/lcd/plasma screens could affect the final image in some cases.


    What specs/etc should be considered? I'm looking to get one but would want to get a decent one. this consolegoodscouk seems like the best place?


  • #53
    Myrddin
    Closed Accounts Posts: 33,733 ✭✭✭✭Myrddin


    steve_r wrote: »
    What specs/etc should be considered? I'm looking to get one but would want to get a decent one. this consolegoodscouk seems like the best place?

    Normally I wouldn't advocate spending over the odds for a cable, but those cheap £3 jobbies just seem flimsy & problem prone. I bought all of my RGB console cables from consolegoods & havn't had an issue, but I do run my retro consoles into a crt tv. The filtering done by modern flat panel tv's could be the issue here, & not the cables themselves.


  • #54
    eric90000
    Registered Users Posts: 121 ✭✭eric90000


    EnterNow wrote: »
    Normally I wouldn't advocate spending over the odds for a cable, but those cheap £3 jobbies just seem flimsy & problem prone. I bought all of my RGB console cables from consolegoods & havn't had an issue, but I do run my retro consoles into a crt tv. The filtering done by modern flat panel tv's could be the issue here, & not the cables themselves.

    I also bought my SNES RGB cable from consolegoods uk and I tried it on both a HDTV and a CRT tv, on 2 seperate SNES consoles. still the exact same. the cables must be pretty inconsistent in quality because a few people have the same problem. I'm guessing they're just poorly grounded/shielded as there is also a hum when ever the volume is turned up and there is a bright picture on the screen.


  • #55
    Myrddin
    Closed Accounts Posts: 33,733 ✭✭✭✭Myrddin


    eric90000 wrote: »
    I also bought my SNES RGB cable from consolegoods uk and I tried it on both a HDTV and a CRT tv, on 2 seperate SNES consoles. still the exact same. the cables must be pretty inconsistent in quality because a few people have the same problem. I'm guessing they're just poorly grounded/shielded as there is also a hum when ever the volume is turned up and there is a bright picture on the screen.

    Afaik they make the cables themselves, did you email consolegoods & discuss why this was the case? Had the crt you used got a full RGB scart socket, & not just the AV type?


  • #56
    eric90000
    Registered Users Posts: 121 ✭✭eric90000


    EnterNow wrote: »
    Afaik they make the cables themselves, did you email consolegoods & discuss why this was the case? Had the crt you used got a full RGB scart socket, & not just the AV type?

    yeah I contacted him about it, he asked me to send it back and he would look at it but to be honest it wasn't worth the hassle of paying for postage etc seen as the cable was less than a tenner.

    the HDTV has one RGB socket, pattern on screen was all messed up, looked over-pixelated with moire patterns. tried on CRT tv which has 3 scart sockets, 2 of which are RGB....looks the same bad image on the RGB scarts as the HDTV. I'm currently using it in the other socket which doesn't support RGB, so what I'm really seeing is Composite. the moire patterns aren't there but the picture is no where near RGB quality.

    at least one or 2 other people on this thread got their cable from consolegoods and they had the same problem. I'd say buy with caution.


  • #57
    Myrddin
    Closed Accounts Posts: 33,733 ✭✭✭✭Myrddin


    eric90000 wrote: »
    at least one or 2 other people on this thread got their cable from consolegoods and they had the same problem. I'd say buy with caution.

    Strange one alright, the thing is where else do you shop without running into the same issue? If a cable is defective your always gonna be faced with the question of if its worth returning it.

    Maybe ask consolegoods to test the cable before they send it & just buy another


  • #58
    soopx
    Registered Users Posts: 7 ✭soopx


    EnterNow wrote: »
    A SNES RGB cable can't be great quality for £3. Also, the picture enhancing technologies of hd/lcd/plasma screens could affect the final image in some cases.

    I wouldn't say it "can't" be good quality. You may have a point about the flatscreens, I still haven't had a chance to try it on a CRT.

    As far as the cable goes though there's not really much that would distinguish a "good" cable from a "bad" one. As far as mine are concerned, the cores look fairly thick, the insulation seems like it should be thick enough to eliminate any crosstalk.

    In fact, that's almost part of the problem - the picture itself is crisp - even the artifacts themselves. I've heard back that it could be something to do with the select pin (pin 8) but I can't see how that's got anything to do with S-video. I'm gonna ask.


  • #59
    Myrddin
    Closed Accounts Posts: 33,733 ✭✭✭✭Myrddin


    soopx wrote: »
    I wouldn't say it "can't" be good quality

    It's not a blanket statement, but if your having trouble with a cheap cable, the problem is likely the cable in most cases.


  • #60
    soopx
    Registered Users Posts: 7 ✭soopx


    EnterNow wrote: »
    It's not a blanket statement, but if your having trouble with a cheap cable, the problem is likely the cable in most cases.

    Aye, you're quite right. TBH, I really want to get the bottom of this, and the easiest way might be to get a known good cable and check pinouts, cable thickness and voltages to narrow down the problem.

    But I'm such a cheapskate. I didn't even pay for the cable, the guy refunded me before I found out what was causing my problem!


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  • #61
    Myrddin
    Closed Accounts Posts: 33,733 ✭✭✭✭Myrddin


    soopx wrote: »
    the easiest way might be to get a known good cable and check pinouts, cable thickness and voltages to narrow down the problem.

    Have you had a look at this for comparison?
    For some unknown reason the RGB output circuits differs between the NTSC and PAL consoles. As a result the cables are different too

    snespal.png

    snesntsc.png

    Source


  • #62
    soopx
    Registered Users Posts: 7 ✭soopx


    Yep, that's what I used. The only difference is that my 5v is jumpered straight from the 12v via an unknown resistor.

    I added the 75v resistors myself though


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