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Thread: Sega Service manuals 16bit

  1. #16
    WCPO Agent KillerBean2's Avatar
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    The description of the 315-5660 is very useful.. although the use of the word "certainly" seems a bit cryptic (bad translation?).
    Would have been nice with a more detailed description of the test pins 81-84, but maybe they aren't helpful at all.

    Great to get confirmation on pin 177 as being the PSG DAC supply/reference
    Bare Knuckle III rules! Also, the music in this game is freakin awesome.

  2. #17
    Master of Shinobi omp's Avatar
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    IC specifications, 32X with 32X service bulletins added.

    That will be it until I go back to work on monday.

    I will be doing the Mega/Sega CD manual which due to the size might take a while to do. Again I will be numbering the pages manually for ease.
    Last edited by omp; 02-08-2013 at 09:52 AM.
    Thank you for donating to the Sega 16 bit manuals!

  3. #18
    Co-Creator of the MegaAmp Raging in the Streets villahed94's Avatar
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    Thanks for the 32X manuals. It will really help out in finding the closest ROHM encoder to the one used in the 32X


    Mega Amp: The reference audio circuit for the Sega Genesis/Mega Drive.

  4. #19
    Road Rasher Qjimbo's Avatar
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    Thanks for putting the time in to scan these!

  5. #20
    ESWAT Veteran Chilly Willy's Avatar
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    Great job! This can help with a bunch of different things.

  6. #21
    Master of Shinobi omp's Avatar
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    Have fixed the 32X service bulletin PDF. I will have to re-scan the TIF version on monday.
    Thank you for donating to the Sega 16 bit manuals!

  7. #22
    Video Game Modder Outrunner segasonicfan's Avatar
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    Sweet moses, you sir are a gentleman and a scholar. This is what the modding community is all about: sharing the wealth of knowledge & making it available to all. A full pinout desc. of the 315-5660...so, so pretty. Hopefully one day a CDX service manual surfaces. But thats the chip I needed info on the most, so many thanks!

    -Segasonicfan

    P.S. have you thought about setting up a paypal donation to cover your costs on this? I wouldnt mind sending a few bucks your way. These couldnt have been that cheap on ebay..

    EDIT: 315-5684 FINALLY!
    Attached Images Attached Images
    Last edited by segasonicfan; 02-09-2013 at 04:32 PM.

  8. #23
    Master of Shinobi omp's Avatar
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    The manuals had a fund raiser and are all paid for, so it's all good thank you.

    I numbered the mega cd manual last night (lower right corner to not take away/interfere with detail), glad i took another look and not just scan it as there were still misplaced pages. After i scan it tomorrow i will add more comments.
    Thank you for donating to the Sega 16 bit manuals!

  9. #24
    Master of Shinobi omp's Avatar
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    I have started to scan the Sega/Mega CD manual, it will take a couple of days due to the size (over 100pages) and that some pages are single sided, while others are double sided (have to feed it in a couple of sheets at a time).

    I have asked over at Assembler forums for help with translating, someone has volunteered who *maybe able to help.

    I also got a quote from a translation service, 10cents a character. Did a rough calculation around $1400AU (give or take) to translate the Japanese parts to English.

    Some of the IC's can be found on Google in English. I picked one at random, MB3790 which is a battery backup IC, so these sorts of pages aren't to bad.

    When done I will upload the manual as it is and hopefully someone will be able to translate it for us. Some of the pages I don't hold too much hope for as the text is originally small and maybe to hard read.
    Thank you for donating to the Sega 16 bit manuals!

  10. #25
    Video Game Modder Outrunner segasonicfan's Avatar
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    Ah thanks, translation would be amazing but we can make do until someone volunteers for the job. This is Mega CD Model 1 only, right? I really hope a model 2 surfaces some day.

  11. #26
    Master of Shinobi omp's Avatar
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    The model 2 CD will surface in a couple of days.....
    Thank you for donating to the Sega 16 bit manuals!

  12. #27
    Master of Shinobi omp's Avatar
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    Have added the A4 PDF of the Mega/Sega CD service manual, this was a bastard to do as some sheets were single sided while others were double sided (if I hadn't mentioned it already lol!).

    I should have the re-done A4 TIF version and the 2 sets of A3 sheets done in the next day or so, I ask patience as my wife and I are going out tonight, so it maybe tomorrow night I get them uploaded.

    Notes for the Mega/Sega CD manual.

    1/When I got this manual it needed re-arranging as the sheet's were muddled up. I numbered the sheets as best I could in the lower left (apart from the index sheets of course), so I beg your pardon if you aren't a fan. These sheets had no reference to each other it was like it was slapped together as they remembered stuff.

    2/I have left the sheets un-numbered for the Japanese "hard check" as these will have to translated, I did however number the hand written in Japanese IC 315-5548 sheets (these will have to be translated as well).

    I have had 1 volunteer from Assembler games to translate but he (understandably) can't promise a time frame. If I get other volounteer's I don't mind co-ordinating and having it shared amongst people (I am not sure if that is a good idea or not?).

    Cheers Pete
    Last edited by omp; 02-11-2013 at 01:34 PM.
    Thank you for donating to the Sega 16 bit manuals!

  13. #28
    Co-Creator of the MegaAmp Raging in the Streets villahed94's Avatar
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    Thanks for the SCD manuals!


    Mega Amp: The reference audio circuit for the Sega Genesis/Mega Drive.

  14. #29
    Video Game Modder Outrunner segasonicfan's Avatar
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    Wow, fascinating stuff on the Meda CD manual. Pages 68-69 are the good stuff for the main Sega ASIC (315-5548). I never knew the system had so many error codes...how great it is to have these!

    -Segasonicfan

  15. #30
    Master of Shinobi omp's Avatar
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    Remainder of Mega CD service manual uploaded.
    Thank you for donating to the Sega 16 bit manuals!

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