RIP to BT Garner of MindRec.com... He passed away early 2023 from health problems. BT was one of the top PCE homebrew developers and founder of the OG Turbo List, then PCECP.com. Condolences to family and friends.
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Topics - Todd Gill

#1
Hi guys. I posted this at Neo-Geo.com and thought I would post it here too.

I have up for sale a recapped NEC Turboexpress. I completely recapped the unit and it now has beautiful and loud audio. However it will need some attention in the backlight as the picture comes and goes due to the back light needing attention. I took some pictures when it was working at first. I have included photos showing the condition of it and of my recapping job which I think came out pretty well.


Internal speaker and headphone jack both tested and working. All the controls and even turbo switches work.

Unit is in overall very, very good condition. Just needs the back light looked at. If you plan to replace the screen with a different one, then this won't matter.


Please don't purchase this unless this something you are willing to repair. This is a project machine.


Asking $225 shipped in the US or best offer - SOLD!!


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#2
Hola folks!

Looking for a original PCE's turbo controller. Not one from a Duo or Core.


Thanks!
#3
Looking for either a GT or Turbo Express.

Nice condition with an excellent screen preferred.

Recapped or not as I can do the recapping.

I haz paypal.
#4
Buy/Sell/Trade / New PCE/TG16 RGB amps
03/24/2014, 10:47 AM
I am now offering RGB amplifiers that are designed with the PC Engine and TurboGrafx16 in mind. It should work on a RGB capable N64, but I don't have one on hand to test it with.

This board uses the popular Texas Instruments THS7314 3 channel amplifier. It has a biasing network, decoupling caps and DC filtering caps. You might see some other designs that use the THS7314 and a couple resistors and that's it. Well, they are built wrong and not designed per the TI spec sheet. This circuit and pcb layout was designed by micro over @ NFGGames forum. I asked micro for his permission ahead of time to build and sell his amp design. You can also find a link to the gerber files for the pcbs in that thread.


So far to date I have built over 30 of these boards. Up to this point they have all been hand soldered. This is pretty time consuming as you can imagine, so starting with this run of boards I am switching to solder paste and a reflow device. This will allow me to build these at a far faster rate.

 I have made a change to micro's circuit by opting to use 100 ohm resistors on the output rather than the original 75 ohm that he specs. I found that with 75 ohms the picture was a little too bright and over saturated where as passing it through 100 ohm resistors seems just about right. For more information, including pictures of folks installs or screenshots, see this thread @ Neo-geo.com.

The blank PCBs are fabbed in China/Hong Kong (of course) but everything else is assembled right here in Ohio.

Each board is approx. 1.25 inches long by .75 inches wide. It's tiny. Easy to fit in even the most cramped of spaces like the original white PCE:

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Very first of the finished amps. New ones have cleaner soldering and output through100 ohm resistors.

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Installed in a White PCE with 8 pin mini din connector replacing the stock RF unit.

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Installed in a Duo-R.

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Supergrafx install


The amps are fairly easy to install. They need 5v and ground for power. Then just solder 3 wires for Red, green and blue to the amp (from either the expansion port or Hu cpu) and then 3 wires from the amp to your RGB connector on your system. You will use composite video as your sync as this is only a 3 channel amplifier. The board can be secured down with simple double sided foam tape which is provided.


White PCE/CoreGrafx/TG16/SuperGrafx/SCDrom2 can tap RGB from either the bottom side of the expansion port or from the HU cpu directly. On any of the Duo's you must solder to the Hu cpu directly to obtain RGB.

I also offer kits that include 1 amp, an 8 pin din socket to replace the original 5 pin and a Euro Scart cable. This would be suitable for all PCE systems except the original White PCE and TG16 as they don't have 5 pin Din A/V outs. You will need to roll your own cable/connector solution on those machines. Mmmonkey's website has a good guide to replace the original RF socket with a 8 pin mini din (like my White PCE pictured above).

I wouldn't say this is a difficult install, but you need good hand soldering skills when soldering to the Hu CPU and appropriate desoldering tools if removing the stock 5 pin connector and replacing with an 8 pin din.

These are $25 shipped for each amp.

or

A kit which includes the Amp, 8 pin din socket and Euro Scart cable (Euro only, no JP21) which is $45 shipped.


These are domestic shipped prices. International will cost a couple dollars more.


I expect to have the PCBs on hand towards the end of this week/beginning of next week. I can then begin assembling them.

So I imagine the first of this batch will start shipping late next week and it will take a little longer for orders which include Scart cables since it takes a bit of time to build those.








For those that choose the kit, here is a pic of the back of the 8 pin din and where the RGB wires need to be soldered to correspond with the Scart cable wiring:

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The 8 pin din will already have the 3 rear pins trimmed so that the it can be installed where the 5 pin din was.






If you have any questions, please post them in this thread. Want to order one? Shoot me a PM.
#5
Buy/Sell/Trade / WTB: White PCE controller
10/26/2012, 11:48 PM
Recently picking up a white PCE, but it didn't come with a controller so I need one for it.

Would prefer one from a DuoR since its matching white and has turbo buttons (I am a lazy gamer).
#6
Picked up a White PC Engine yesterday. Got it for free as it was supposedly dead. Replaced the fuse and all is well once again. Cleaned up pretty nicely too. No major yellowing.


RGB modded it this evening.

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Same basic formula as my RGB modded TG16:
https://www.pcengine-fx.com/forums/index.php?topic=13244.0


Built the amp board substantially smaller (maybe half the size of the one in my TG16). Layed down some of the larger caps to make sure there was room to close the cover.

Just like the TG16, has Composite video, RGB and Stereo audio on the 8 pin mini din.
#7
Thought I would share a recent RGB mod to my TG16.


RGB modded it with stereo audio and composite video as sync. Used a mini 8 pin din and installed it where the useless RF output was at keeping a stock external appearance. Borrowed this idea from MMmonkey.
http://www.mmmonkey.co.uk/console/pce/rgb.htm

The RGB amp design came from GameSX. It's the regular SC1815 transistor based amp.
http://www.gamesx.com/rgbadd/duorgb.php

TG-16RGBMod-1.webp
TG-16RGBMod-2.webp
TG-16RGBMod-3.webp

This was my first time building an RGB amp and actually working inside a TG16. Pretty happy with the results. Other than some very minor jailbars when there is a light, full screen background, the RGB is very nice. Hooked up to my 20 inch Sony PVM. Next time I build one of these amps, I will make it smaller and probably lay some parts down (like the 220uF caps) so that it has a lower profile.
#8
Buy/Sell/Trade / WTB: Turbo Duo
09/29/2012, 09:28 AM
Looking for either a Duo or Duo-R for a reasonable price. US or JP doesn't matter to me.

I can do recapping it that needs done. No problem.

Would like it to be in reasonably nice condition.


Thanks!
 Todd