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Pacman Arcade Repair Manual

Apr 1, 2011 - Operating manual for Midway Games #932, #933 and #934: Pac-Man Upright, Pac-Man Cocktail, Pac-Man Mini. Includes: General instructions. Owner’s Manual PAC-MAN’S™ arcade party 7 The next menu is the Monitor Tests: This is provided for use by a technician to adjust the monitor in the game.

Spent some time going through the box of broken Pac-Man / Ms. Pac boards we've got kicking around the shop. Seems like some Pac fixes are very straight forward, others I really struggle with and throw them back in the box.

I think part of the problem is the how the boards were stored, some were thrown in a box, might have a scratch or two or some rust some ICs. These days I tend to only work on cleaner boards, ones that haven't had prior repairs as sometimes the prior repair is botched and makes troubleshooting a PITA. Anyway a few tips for Pac repairs: • Check out the repair logs, there are quite a bit of repairs out there as well as some good resources on repairing these boards, I'm too lazy right now to look them, Google is your friend. • Check out the two original Midway Pac-man Advance Troubleshooting Manuals, again Google is your friend. Ben 10 destroy all aliens full movie in tamil free download. • As always, inspect the board for damage and other prior repairs. Here's my basic Pac-Man repair procedure, at the last the beginning, the Midway manuals have additional steps: Pac-Man / Ms.

Pac-Man Board Repair Procedure • See Pac-Man Troubleshooting Manual. • Always use known working satellite boards, usually replace the sockets for the satellite boards right away as they tend to fail. • Always use known working roms on main board. I usually just remove the original proms and burn new 2532 eproms.

Pac-Man, make sure 2532 roms at row 6 are 45ns or faster. Pac-Man ribbon cable, they go bad often. • Test for voltage on large caps, should be 8.0 VDC on these. Test for 5 VDC on boardset. • Check for clock signals at Z-80 and other test point (per manual). • Make sure reset signal at Z-80 is high.

After this I go into using the Fluke 9010a to check that the program roms and program rams are working. After that I usually rely on prior repair logs to narrow the problem down if I don't see anything myself. Some of my repairs from over the years, I don't usually note as many bad program roms anymore as I usually replace them first as preventative maintenance, hope this helps: No Video, Deadish (3/28/17) – Board had fresh set of program roms installed, fairly clean boardset. Voltage was 6.2 VDC on chips, turns out Q6 was shorted together on the back of the board as two traces were touching each other. Replaced Q6 and voltage was back at 5.05 VDC.

Clock and reset line checked out okay, used Fluke 9010a to test Roms and Rams, no problems. Noticed reset line was not going low when hit the push button switch near the amplifier. Replacing 74LS161 at 9C fixed this problem, but no change. Visual inspection showed that 4F was installed backwards, replaced it with a known working Prom and the board fired up. Board booted to Garbage, pretty much all “P” on the screen with other garbage graphics (3/28/17) – Board had fresh set of program roms installed already, replaced the sockets on the Z-80 and V-Ram board, replaced the Z-80 socket for the heck of it. Roms checked out okay on Fluke 9010a, all 2114 ram tests failed. Swapped rams and found 4R to be bad.