SFG-01/05 module clone

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By Alexey

Paragon (1055)

Alexey's picture

11-05-2017, 13:42

Grauw wrote:

What are the parts I would need to acquire myself? I have the YM2151 already.

All of them except what I can provide. I have a few Alteras that are usually hard to buy in small quantities. I had to buy a batch of them. Also I can include filter coils and sockets/connnectors (except audio). I may even have some YM3012 DACs and TLP552s available as I have too many of them. Everything else you can buy in any electronics store.

By Alexey

Paragon (1055)

Alexey's picture

11-05-2017, 14:52

9. TLP552 optocouplers

I also can't program the Altera chip that is sold separately because it needs to be on the board for programming. You can easily program it yourself using the 5$ ByteBlaster 2 programmer via the JTAG socket...

By sd_snatcher

Prophet (2435)

sd_snatcher's picture

12-05-2017, 01:12

Quote:

9. TLP552 optocouplers

Maybe it would have been better to have used the Sharp PC-900? Those are smaller, cheap and very easy to find.

By Alexey

Paragon (1055)

Alexey's picture

12-05-2017, 01:22

We tried to use the components that were on the original board. Those TLPs are not hard to find on AliExpress. I have at least 12 of them...

By Alexey

Paragon (1055)

Alexey's picture

12-05-2017, 13:54

10. YM3012 DAC chip

By ImATrackMan

Resident (52)

ImATrackMan's picture

14-05-2017, 03:14

Where did you source those right-angle female 60-pin connectors?

By Alexey

Paragon (1055)

Alexey's picture

14-05-2017, 12:33

ImATrackMan wrote:

Where did you source those right-angle female 60-pin connectors?

http://www.ebay.de/itm/10x-Industrial-Card-Edge-Slot-Socket-...

http://www.ebay.de/itm/20-Pcs-2-54mm-Pitch-Dual-Row-90-Degre...

I used the second link and the slots fit perfectly.

By Alexey

Paragon (1055)

Alexey's picture

20-05-2017, 12:58

And there's something else that we are preparing to release - the 3D model of redesigned SFG case:

By Alexey

Paragon (1055)

Alexey's picture

11-06-2017, 21:00

For those who have Yamahas made for Russia, the optimum solution is to avoid soldering the RCA audio connector and the music keyboard socket. This way you won't need to modify the network module's case. A 3.5mm stereo audio socket can be used to output the audio through the teacher/student switch hole on the side of the case.

When assembling, please make sure that there's nothing conductive between the pins of Altera or you will have stability problems with the module. Beside using the spirit to clean up the chip's soldering pads I would recommend to use a needle and to clean between each Altera's pins in case you used conductive soldering paste.

By Alexey

Paragon (1055)

Alexey's picture

19-06-2017, 01:11

Just assembled the cartridge on board version 1.1. Seems to work fine. Used a small filer on a case that I've purchased for my MSX projects and here's what it looks like now:

And here's the same cartridge with the adapter board (the board is from the first batch, so it's green):

I hope that 8bits4ever guys will pick up this project and make this cartridge available in their store some day. We all want the SFG module to be supported by new games because its sound is really awesome!

Those who want to produce small batches of these cartridges for sale, please contact us to discuss the details. I also have a few boards for sale. So send me a PM if interested.

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