Sega Service manuals 16bit

**omp** · 02-07-2013, 12:37 PM

**infinateeff** · 02-07-2013, 12:57 PM

Thanks for scanning and uploading these. I'm sure they will help!

**KillerBean2** · 02-07-2013, 03:20 PM

Hot dirty pictures of my dream girl. My life is now complete

**omp** · 02-07-2013, 03:27 PM

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.

**MEGADRIVE Jeroi** · 02-07-2013, 04:33 PM

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.

**Melf** · 02-07-2013, 04:54 PM

I've stickied the thread so people can find them easily. Thanks for posting this!

**Sky Llama** · 02-07-2013, 05:03 PM

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.

**omp** · 02-07-2013, 05:20 PM

Originally Posted by MEGADRIVE Jeroi

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.

**villahed94** · 02-07-2013, 07:55 PM

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.

**omp** · 02-07-2013, 08:16 PM

Originally Posted by villahed94

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)

**ReBirFh** · 02-07-2013, 10:12 PM

I bet the guys at romhacking.net wouldn't mind translating the japanese parts.

**Baloo** · 02-07-2013, 10:51 PM

Were these the ones that were on eBay?

**villahed94** · 02-08-2013, 12:48 AM

Originally Posted by omp

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.

**omp** · 02-08-2013, 01:27 AM

Yes these are the ebay manuals.

I don't think the encoder is to google "friendly".

**villahed94** · 02-08-2013, 02:08 AM

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.

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