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Title: Sammy Games Post by: channelmaniac on September 16, 2008, 12:22:41 AM Fixed: Survival Arts
Symptom: Dead Physical inspection found 2 gouged traces. Repaired the traces and tested the game. Title: Re: Sammy Games Post by: channelmaniac on June 05, 2009, 02:05:13 AM Model: Eagle Shot Golf
Symptom: Blocking Graphics. Missing colors. Replaced 6 broken resistors on the ROM board and tested. Title: Re: Sammy Games Post by: channelmaniac on January 24, 2010, 04:07:56 AM Model: Atomiswave
Symptom: No sync Bare board was sent and was in terrible shape. Someone had soldered to the JAMMA connector, VGA connector, sound connector audio chip, and had removed the protection diodes from the VGA and JAMMA connector. Removed all the wire bits from the soldered connectors, cleaned up the solder joints, desoldered and cleaned the JAMMA connector, removed a chunk of solder from inside the Expansion Cartridge Slot 1 connector, cleaned solder splash inside the connector, then cleaned the connector and board with flux remover. Found a damaged trace leading to pin 13 of the VGA connector (Composite Sync) and repaired it. Tested game. Title: Re: Sammy Games Post by: channelmaniac on August 09, 2012, 02:39:24 AM Model: Wing Shooting Championship
Symptom: Backup RAM Error Cleaned liquid drops off the board and patched one corroded trace in the control circuit for the backup RAM. Tested Title: Re: Sammy Games Post by: channelmaniac on August 09, 2012, 02:40:14 AM Model: Wing Shooting Championship
Symptom: Dead Repaired a bad trace between the program ROMs and both the Work RAM and Backup RAM. Tested. Title: Re: Sammy Games Post by: channelmaniac on June 08, 2013, 02:08:31 PM Model: Atomiswave - Sports Shooting USA
Symptom: Guns will not work Replaced a bad surface mount filter in the +5 line on the Expansion I/O Module, calibrated guns, and tested. Title: Re: Sammy Games Post by: channelmaniac on June 08, 2013, 11:02:45 PM Model: Atomiswave - Sports Shooting USA
Symptom: Guns will only shoot in the upper middle of the screen Replaced bad 74HC14 on the small gun input board. Tested. |