![]() Solution: Replaced 1K resistor network RM1 When I wiggled the part it would sometimes show all characters and colors correctly. It appears to have been bent too many times. It took several hours to find, but it turned out the 6 pin 1K resistor network at RM1 had broken legs. Problem: Missing Blinky from attract screen, Pac-man is invisible, no GAME OVER in red in the middle of the screen. Solution: Fixed a trace on the Sync Buss Controller The game then powered up and played normally I jumpering over the broken trace and plugged it back in. Testing it with the ohms setting on the multi-meter showed the trace was broken. When I went to reseat the Sync Buss Controller, I noticed a gouge out of a trace on the bottom. The game would not get through to initialization sequence. I have complied them below for your resource: Here are some common advanced Problems and solutions I’ve also found around the Web. Use another dual-wipe style socket on the pins of the daughter cards, and insert it’s legs into the socket on the board. While we are on the subject of sockets and 285/284 cards, DO NOT plug these directly into the socket on the main board, YOU WILL RUIN THE SOCKET. ![]() I’ve noticed when desoldering them, that many of the pins just fall off. Another thing I am now doing regularly is to replace any of the big yellow sockets they used sometimes for the CPU. When I start with a board that is constantly resetting, I usually replace the 28-pin sockets for the 284 and 285 cards with new dual-wipe sockets. General note about Pac-man boards: I’ve found that many times the cheap sockets on the boards cause trouble. If You give Up and Just want to send your PACMAN BOARDS Off for repair, Try this repair Service Click Hereīut, as with all things, this is not always the case. ![]()
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