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Title: Multicade Boards - 48 in 1, 60 in 1, Etc. Post by: arkanoid on September 09, 2009, 08:11:32 PM Symptom: No video. Red LED flashes when powered.
Diagnosis: EPROM not making good contact Repair: Remove/reseat 27C4096 Symptom: No audio. (User applied -5V on 12V line?) Diagnosis: C47 (470uf, 16v) bad, audio amp bad Repair: Replaced C47, replaced TDA2003 Title: Re: Multicade Boards - 48 in 1, 60 in 1, Etc. Post by: channelmaniac on September 09, 2009, 11:51:56 PM Thanks for logging that!
The EPROM holds run time code for the FPGA chip on the board. All the games are kept on a surface mount flash chip under the plastic cover. RJ Title: Re: Multicade Boards - 48 in 1, 60 in 1, Etc. Post by: StatFreak on September 09, 2009, 11:59:57 PM Welcome to NLG arkanoid :88- and K+ for logging a repair tip as your first post! :3-
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