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NLG Users Repair Logs and Other Ramblings. Request your very own topic. Just ask any site staff. => Channelmaniac's Arcadecomponents' Old School Repair Logs => Topic started by: channelmaniac on May 04, 2014, 08:24:17 PM

Title: Sammy Games
Post by: channelmaniac on May 04, 2014, 08:24:17 PM

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 May 04, 2014, 08:24:30 PM

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 May 04, 2014, 08:24:45 PM

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 May 04, 2014, 08:25:04 PM

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 May 04, 2014, 08:25:18 PM

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 May 04, 2014, 08:25:34 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 May 04, 2014, 08:25:49 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.

Title: Re: Sammy Games
Post by: channelmaniac on August 30, 2015, 04:06:26 PM

Model: Zombie Raid
Symptom: Battery leaking

Removed bad battery, cleaned leakage, installed coin cell socket, and inserted battery. Tested.

Title: Re: Sammy Games
Post by: channelmaniac on March 30, 2018, 09:26:50 PM

Model: Deer Hunting USA
Symptom: Dead

Repaired 4 corroded traces going to main program memory and tested. Board worked but had no sound. Patched a dead trace for an address line between the sound ROM and RAM and the sound processor. Set DIP switches and tested.