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Author Topic: Williams Games  (Read 10054 times)
channelmaniac
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« on: January 29, 2009, 11:06:29 PM »
Model: Hit the Ice
Symptom: Dead

Board arrived with a description that 2 caps had blown up when inserted into a cabinet. User replaced the caps but the board was still dead.

Removed 2 shorts between +5v and Ground where the user replaced the caps. Tested board. Both blown caps were on the -5v line which is needed for the sound section on this board. Advised customer to check for miswiring in the cabinet.
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: November 07, 2013, 02:22:36 AM »
Model: High Impact Football
Symptom: Missing colors

Fixed multiple bent pins shorting the dual port video RAM. Tested.
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 #2 on: November 07, 2013, 02:23:11 AM »
Model: High Impact Football
Symptom: No sync on video and no sound

Replaced bad 74LS86 to fix horizontal sync issue and bad 3.579545MHz crystal on the audio board. Tested.
Logged
I have too many hobbies! Electronics, gunsmithing, Miatas, arcade games, metal detecting, etc...

http://www.arcadecomponents.com
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