Modding a Super Gameboy for correct speed , help cutting of the original clock

Hello!

as per the info on Sega16 forum here one needs to do this in order to install an extra oscillator with the correct speed:


(this is TmEE 's drawing , credits to him)

It seemed pretty simple and I opened my SGB... but the PIN3 on U2 doesn't seem to be connected to anything ? :dejection: So there is no track to cut :moody:





My SGB is a PAL SNSP-027 one with a CPU SGB-R-10 pcb btw... anyone has any suggestion on how to proceed with this? TIA for any info/help! :05.18-flustered:

 

lift pins 73 and 74.

The trace to pin 3 goes under the chip (which is why you cant see it) you can check it is actually connected with a multimeter.

 

ah thanks Bad_Ad84 , I will to that I feared I had a different board revision or something
would I get the same results if I just lifted pin3 and solder on the pin73+74 as they are?

 

I am not sure if pin 3 goes elsewhere or not.

I can tell you that lifting pin 73 and 74 works as I did this mod for reprep recently and thats how I did it.

 

thanks Bad_Ad84, will just do that, no need to experiment

 

I've got a stack of crystals here if anyone ever wants one. Need to do this on two Super Gameboys.

 

I'd never even heard of this mod

 

Me too, see my thread

 

^ I wish I have seen it yesterday before I order oscillators from eBay.... :grief:

 

Can someone repost Tmee's diagram for this and link to where I can get the oscillator?

 

you guys are all so talented at this soldering technician shit, nuff respect