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(Topic ID: 302745)

System 11 Whirlwind Sporadic Boot Up Issue

By DANGERTERROR

2 years ago


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  • 13 posts
  • 6 Pinsiders participating
  • Latest reply 2 years ago by emk101
  • Topic is favorited by 1 Pinsider

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#7 2 years ago
 
JON

Schwaggs

Gameroom Mods

10y 105K 4,760 10

I think you are on the right track thinking questionable CPU or EPROM.

I assume you transferred the CPU, ROMS, PIAs from your old board to this one. You may have transferred the problem to this board.

Do you have another system 11 game to test with?

There are 2 6802 processors on the board, try swapping them to see if the problem changes.

3 weeks later
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#10 2 years ago
 
JON

Schwaggs

Gameroom Mods

10y 105K 4,760 10

Could be. Seems you ruled out the other suspects. Check the power supply board for cold solder joints on the header pins. Reflow solder to each pin. Look for tarnished or burned connectors.

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