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Thread: Sega Service manuals 16bit

  1. #1
    Master of Shinobi omp's Avatar
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    Default Sega Service manuals 16bit

    PLEASE CONFIRM THE REVISION OF YOUR BOARD VS THE SCHEMATIC! EXAMPLE- THE MODEL 1 MEGA CD IS EARLY AND MAY NOT MATCH YOUR UNIT!

    Here are some Sega Service Manuals.They were scanned from COPIES from the original manual NOT the original manuals.

    These will be good for repair and general information.

    There are 3 versions that have been scanned and in 2 sizes, A4 and A3. Print both sizes out in the required size, refer to the index and bind/staple as necessary.

    1/PDF 600dpi greyscale for best detail and are near 1/1 copies from the photocopies, file size is bigger and best for printing
    2/TIF 600dpi b/w are smaller in file size and are 90-95% of what the original photocopies are. Good for a quick download.

    Added 18.02.2013 due to file size complaint

    3/PDF Adobe Pro "optimized" smaller file size at around 85-90% of originals

    Sega Mega Drive 2/Genesis 2 VA0

    PDF

    https://www.dropbox.com/s/xmpyr6s3sf...f%202%20A4.pdf

    https://www.dropbox.com/s/9i308o5o9u...f%202%20A3.pdf

    TIF

    https://www.dropbox.com/s/bqmr78zn0b...f%202%20A4.tif

    https://www.dropbox.com/s/za4ga33iz5...f%202%20A3.tif

    PDF Optimized

    https://www.dropbox.com/s/q2erwjw4mi...0optimized.pdf

    https://www.dropbox.com/s/0elz5dcgz3...0optimized.pdf

    Sega Mega Drive 2/Genesis 2 VA1

    PDF

    https://www.dropbox.com/s/59y712rjcm...f%202%20A4.pdf

    https://www.dropbox.com/s/m6qfhn44yr...f%202%20A3.pdf

    TIF

    https://www.dropbox.com/s/q4gidaarwk...f%202%20A4.tif

    https://www.dropbox.com/s/5r9sl8m793...f%202%20A3.tif

    PDF Optimized

    https://www.dropbox.com/s/9h5blx1b1k...0optimized.pdf

    https://www.dropbox.com/s/il9172rfnp...0optimized.pdf

    Sega Mega Drive Supplemental (A4 only no A3 size for this)

    PDF

    https://www.dropbox.com/s/pberq84qep...ement%20A4.pdf

    TIF

    https://www.dropbox.com/s/2ng2kfrplo...ement%20A4.tif

    PDF Optimized

    https://www.dropbox.com/s/3mp0zphna1...0optimized.pdf

    Sega IC Specifications (Genesis VA7, Mega Drive PAL VA6.5 and Mega / Sega CD) A4 only

    PDF

    https://www.dropbox.com/s/xu20gldi8h...tions%20A4.pdf

    TIF

    https://www.dropbox.com/s/pmylako9pn...ifications.tif

    PDF Optimized

    https://www.dropbox.com/s/8ittxci2ry...0optimized.pdf

    Sega 32X VA0, VA1

    PDF

    https://www.dropbox.com/s/7d6gdle1o5...f%202%20A4.pdf

    https://www.dropbox.com/s/jwdudmytjo...f%202%20A3.pdf

    TIF

    https://www.dropbox.com/s/v4z3rg13dq...f%202%20A4.tif

    https://www.dropbox.com/s/pxegh4hbj4...f%202%20A3.tif

    PDF Optimized

    https://www.dropbox.com/s/3ynd8fschv...0optimized.pdf

    https://www.dropbox.com/s/4odkjuj39w...0optimized.pdf

    Sega 32X Service Bulletin A4 only

    PDF

    https://www.dropbox.com/s/qfrhf8vm3b...letin%20A4.pdf

    TIF

    https://www.dropbox.com/s/p00b6akf47...letin%20A4.tif

    PDF Optimized

    https://www.dropbox.com/s/jrgenskhuv...0optimized.pdf

    Mega/Sega CD<<< refer notes on post 27 in this thread

    https://www.dropbox.com/s/bx642uy6pl...f%202%20A4.pdf

    https://www.dropbox.com/s/dgohlexn6k...f%202%20A3.pdf

    TIF

    https://www.dropbox.com/s/l48r2r6cz3...f%202%20A4.tif

    https://www.dropbox.com/s/traika5izm...f%202%20A3.tif

    PDF Omptimized

    https://www.dropbox.com/s/nycle0683g...0optimized.pdf

    https://www.dropbox.com/s/ij99nsobuh...0optimized.pdf

    Mega CD 2 Service Manual

    PDF

    https://www.dropbox.com/s/h1teg5wila...f%202%20A4.pdf

    https://www.dropbox.com/s/nsng4b0iyz...f%202%20A3.pdf

    TIF

    https://www.dropbox.com/s/95jxuiqg3g...f%202%20A4.tif

    https://www.dropbox.com/s/as1vwjhtsg...f%202%20A3.tif

    PDF Optimized

    https://www.dropbox.com/s/vuyu4yeqna...0optimized.pdf

    https://www.dropbox.com/s/5atc97a9p7...0optimized.pdf

    Mega CD 2 Supplement

    PDF

    https://www.dropbox.com/s/mqt25i8ltn...f%202%20A4.pdf

    https://www.dropbox.com/s/mwfpyccsbj...f%202%20A3.pdf

    TIF

    https://www.dropbox.com/s/kjowdoef3p...f%202%20A4.tif

    https://www.dropbox.com/s/48cprqiwve...f%202%20A3.tif

    PDF Optimized

    https://www.dropbox.com/s/jyqhxx587d...0optimized.pdf

    https://www.dropbox.com/s/fsclz1w87z...0optimized.pdf

    Mega CD Additional information

    PDF

    https://www.dropbox.com/s/ucw86dc11a...ation%20A4.pdf

    TIF

    https://www.dropbox.com/s/zyy80f1qby...ation%20A4.tif

    PDF Optimized

    https://www.dropbox.com/s/7gxnb6e80b...0optimized.pdf

    EDIT - Model 2 VA3 now added to the list thanks to MaxWar for scanning and others for donating!

    As found from this thread - http://www.sega-16.com/forum/showthr...Service-Manual

    PDF's are found here-

    MaxWar PDF version https://dl.dropboxusercontent.com/u/...ice_Manual.pdf

    Villahed94 OCR version https://www.dropbox.com/s/3cy73rg5z5..._ManualOCR.pdf

    Mirrors of above by TmEE

    http://www.tmeeco.eu/BitShit/SEGA_Ge...ice_Manual.pdf

    http://www.tmeeco.eu/BitShit/SEGA_Ge..._ManualOCR.pdf

    Thanks again guys!
    Last edited by omp; 09-30-2014 at 08:50 PM.
    Thank you for donating to the Sega 16 bit manuals!

  2. #2
    Sports Talker
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    Thanks for scanning and uploading these. I'm sure they will help!

  3. #3
    WCPO Agent KillerBean2's Avatar
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  4. #4
    Master of Shinobi omp's Avatar
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    Unfortunately no manuals past VA1 for MD/Gen2, so no info for VA1.8 onwards.

    I had a look at the Mega CD (model 1) manual last night and it's going to be a ballser to do. The quality is shit house, pages aren't numbered and a whole section is in Japanese! I am hoping someone could spare the time to translate the japanese for us perhaps? I am at work now and don't have it in front of me, but I beleive it is all text.

    If no one objects, I would like to number the pages (neatly and out of the way) for the Mega CD manual for easy sorting.
    Thank you for donating to the Sega 16 bit manuals!

  5. #5
    Take it apart! WCPO Agent MEGADRIVE Jeroi's Avatar
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    Omp nice! There is good parts list that even lists original manufacturer part code for easier datasheet searching and so. It seems most sega part listed chips are default chips from toshiba, motorola and sharp and so on.

    Where did you get these manual in first place? I searched whole net one evening for service manuals without luck.
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    Blast processor Melf's Avatar
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    I've stickied the thread so people can find them easily. Thanks for posting this!

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    Wildside Expert Sky Llama's Avatar
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    When I get some time later I'll upload copies to my server too. These look great, thanks

    It's a shame the PCB pages were so bad. Oh well, still tons of great info.
    Last edited by Sky Llama; 02-07-2013 at 06:15 PM.

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  8. #8
    Master of Shinobi omp's Avatar
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    Quote Originally Posted by MEGADRIVE Jeroi View Post
    Where did you get these manual in first place? I searched whole net one evening for service manuals without luck.
    There was an auction on ebay, a chap from Australia was selling a pile. SMSpower won all but one of the 8bit manuals (were sent to me for scanning), Sega-16 and affiliates(?) won all the 16bit stuff apart for the Mega Drive model 1 and 16bit accessories manuals (Spritesmind got these 2) and also got the Sega Satrun manual.

    There is a thread in "Insert Coin"

    When I scan the Mega CD and mega Cd2 manuals, we can attach links to your CD thread if you like.
    Thank you for donating to the Sega 16 bit manuals!

  9. #9
    Co-Creator of the MegaAmp Raging in the Streets villahed94's Avatar
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    Thanks Omp! Those scans are awesome! I'm really looking forward to the 32X service manuals. Maybe, just maybe we might know the true part number of its RGB overlay/encoder.


    Mega Amp: An all-new audio circuit for your Sega Genesis/MegaDrive and clones.

  10. #10
    Master of Shinobi omp's Avatar
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    Quote Originally Posted by villahed94 View Post
    Thanks Omp! Those scans are awesome! I'm really looking forward to the 32X service manuals. Maybe, just maybe we might know the true part number of its RGB overlay/encoder.
    No worries matey, scanned the 32X manual and it's service updates this morning, *may get it uploaded tonight.

    Sneak peek video mix= BA7237FS (part no. 315-5788/A)
    Last edited by omp; 02-07-2013 at 09:21 PM.
    Thank you for donating to the Sega 16 bit manuals!

  11. #11
    Wildside Expert ReBirFh's Avatar
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    I bet the guys at romhacking.net wouldn't mind translating the japanese parts.

  12. #12
    The Gentleman Thief Baloo's Avatar
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    Were these the ones that were on eBay?
    Quote Originally Posted by j_factor View Post
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  13. #13
    Co-Creator of the MegaAmp Raging in the Streets villahed94's Avatar
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    Quote Originally Posted by omp View Post
    No worries matey, scanned the 32X manual and it's service updates this morning, *may get it uploaded tonight.

    Sneak peek video mix= BA7237FS (part no. 315-5788/A)
    Thanks! I hope I can find a datasheet of said chip.


    Mega Amp: An all-new audio circuit for your Sega Genesis/MegaDrive and clones.

  14. #14
    Master of Shinobi omp's Avatar
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    Yes these are the ebay manuals.

    I don't think the encoder is to google "friendly".
    Thank you for donating to the Sega 16 bit manuals!

  15. #15
    Co-Creator of the MegaAmp Raging in the Streets villahed94's Avatar
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    Yeah. However I think it's a BH7236 with an added overlay feature.
    It would be useful to see how it's wired, and thus know why it's got a very nice picture without those nasty subcarrier issues.


    Mega Amp: An all-new audio circuit for your Sega Genesis/MegaDrive and clones.

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