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Author Topic: Mitchell Games  (Read 10326 times)
channelmaniac
Surface mount soldering geek
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Few things are better than fixing an old game...


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« on: September 16, 2008, 01:28:21 AM »
Model: Puzz Loop
Symptoms: Randomly locks up or reboots. Can force it by tapping the board.

Resoldered the surface mount L2 ROM, L3 ROM, and CPU chips. Board can now be tapped and shaken without any rebooting or locking up.
Logged
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com
channelmaniac
Surface mount soldering geek
Global NLG Site Moderator
Sr.Tech NLG Member 1000+ Post
*

Total Karma Storms: 568
Offline Offline

Gender: Male
Posts: 2126


Few things are better than fixing an old game...


WWW
« Reply #1 on: August 25, 2013, 08:47:41 PM »
Model: The Karate Tournament
Symptom: Dead. Flashes on screen. Missing a ROM.

If the I4100 graphics controller IC is pushed down then the game will try to boot but hang. Replaced missing sound program ROM and tested again while pushing down on the IC and the game booted. Reflowed the IC and tested.

The 2 Program ROMs and the Sound Samples ROM were unknown to MAME. Dumped the ROM and set the images aside for submission to the MAME team.
Logged
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com
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