WTS: Junk Supergrafx "Not FS any more"

[saturndual32]

Some progress.... there are a TON of broken traces.... This will be a miracle if it works....

Damn that image blows my mind, i cant even imagine how dificult it must be to solder all those cables. Crap, 60 traces and it still doesnt work?
I dont have anything but praise for the BlueBMW, hes one of the nicest guys around. Thanks fo the effort Blue.

[BlueBMW]

Hopefully I can put some more time into it this weekend.  Right now its basically behaving the way a system does when either a region mod isnt connected right or a hucard is making bad contact.  I'm going to focus on the data lines to the hucard slot and see what I come up with.

Some more pron:

[roflmao]

Sexay!

[Mathius]

Damn! Wonder what kind of trauma that poor PGX went through to cause the PCB to crack like that?

[Dicer]

I can't wait to see this back from the dead...go go go

[sirhcman]

I'd like to know who would abuse such a great machine! 

[BlueBMW]

It looks like it took an impact on the bottom middle of the shell.  The plastic stand that holds up the mainboard looks to have pressed the board too hard and cracked it.

[Mathius]

It looks like it took an impact on the bottom middle of the shell.  The plastic stand that holds up the mainboard looks to have pressed the board too hard and cracked it.

I don't see a fall causing what you describe. I could be wrong. Maybe it was crushed.

[saturndual32]

The SGX was the third system i have bought from Ebay, with a disclaimer saying something like: "Untested, i lost all the conections and cant test the unit, but it worked last time i had them".

The other 2 systems i bought like that worked fine, but my luck ran out with this SGX. The others were a SMS 2 PAL, and an Atari 7800, needless to say, the one i really would have liked to work was the awesome SGX  !

Although maybe the damage was done while going through shipping. I have received a broken SFC and a FM TOWNS 2 with a cracked CD door ( ), a Sega Saturn with an out of place cd drive, that were in perfect condition judging by the pics i got before buying them. So, who knows...

But hey, if someone can resurrect it, it is BlueBMW  !

[BlueBMW]

I don't see a fall causing what you describe. I could be wrong. Maybe it was crushed.

Yeah I'd say it was crushed by something.  Though the outer shell doesnt show the evidence of that...

[pceslayer]

I have a SuperGrafx with the exact same damage. Kind of odd that the shell is in perfect condition with this much damage to the mobo. I wonder if its common on these systems...

I bough mine from Dalder a few years back and was in the process of doing the same repair except I got distracted and its been sitting on my workbench. Not trying to Hijack the thread...







I will be following this with great interest!

[saturndual32]

Its like some evildoer is smashing SGXs boards!

[BlueBMW]

i think its a design flaw with the shell... there is a plastic post that holds the center of the board there  but there doesnt seem to be anything on the other side of it.  Any good impact or pressure put on the bottom middle of the board could crack it like that.

[thesteve]

if you have fixed everything you see start with a logic probe cart removed
confirm pulse on all address lines
then insert cart and check data pins at each processor (D0-D7)

[Vecanti]

If you get this working, then a few sales/trades and 15 years from now someone is going to open this thing and be like WTF?  Or think they have a prototype or something. 

Pretty amazing to watch your work!