eyeless
Member
Have a tekken 2 board and when booted up I get no picture but it says "Good Morning" and then it seems to reboot and keeps doing that. Has anyone ever dealt with this problem or heard of it?
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Have a tekken 2 board and when booted up I get no picture but it says "Good Morning" and then it seems to reboot and keeps doing that. Has anyone ever dealt with this problem or heard of it?
Tekken 3 is a Namco System 12 game, Tekken 2 is System 11. The motherboards are different.
That being said, the problem I've seen the most on my System 11/12 boards is loose RAM on the daughter board (the one that has the two Sony CPUs). The RAM is surface mounted so you usually can't tell by wiggling the chips, but sometimes a really good cleaning with a toothbrush soaked in alcohol and then touching each pin on the RAM up with a hot soldering iron has brought several games back from graphics glitches and non-booting states for me.
@Long Hair: Your missing component is a diode, not a resistor. By what I can reference from the letter codes on it, it is a 3.6V 150-200mW zener diode. It is mounted with the stripe towards the end closest to the JAMMA connector.
Here is a picture :
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Brian.
where is the RAM?
Look at the picture of the PCB at the top of this page : http://www.system16.com/hardware.php?id=533
The RAM is the group of 8 chips (2 rows of 4) on the top CPU board. It is the only group of 8 chips in that picture, but if you need better clarification let me know.
Brian.
does anyone have a complete board to reference the parts i need to start ordering them?