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Ms. Pacman purchased for 300$ at garage sale. Upon power up video errors occured.
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Part I
Photos taken of entire cabinet. Boardset removed and inspected. Smoked Plexi removed and old amusment liscense removed. Boardset video problems investigated. Daughter Board disconnected. Z80 taken from Daughter and placed in location 6B on main PCB. Upon power up same problems exist. Game turned off and reboot. PACMAN comes up cleanly. Only problem seen is that Ms Pac lookes horrible and frequently changes shape completely.
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Part II
Decided to reconnect aux. pcb and take photos of video errors to help in diagnosing the problem. Once board was returned to original state, power was appied and up came Ms. PacMan with no errors. My suspicion is a bad connector cable. But about 24 hrs. after acquiring a broken, i was playing the game perfectly. A good start to the repair process. Noticed while playing that the marquee light is out. That will need to be fixed.
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Emailed Bob Roberts about:
1)6F Slow chip.
2)Ribbon Cable from PCB to Aux. PCB.
3) 2 White leaf switch buttons.
4) Manual Emailed ArcadeShop about:
1) The plug and play switcher.
2) Marquee
3) Upright CPO
4)Kickplate molding
5)New set of control panel bolts Posted to Newsgroup about:
1)High Score Save Kits
2)MultiKits
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Kit Comparison Chart
| Name | Games | Save | Menu | Price | Highlights | Negatives | Contact Name | Contact Email | | CrossPac | 11 | ? | Yes | 140 | Cheapest, Has Crush Roller, and Eyes | Fewest Games | Richard Cross | rcross@tbaytel.net | | MultiPac | 24 | No | Yes | 183 | Well known, Not just graphics hacks, contains Eyes, Crush Roller, Pirhana, Well Tested | No Score Save, Not Orignial Cowgill board. | Steven Tuttle | stuttle@mis.net | | PowerPac | 30 | Yes | Yes | Trade MultiWMS | Has Score Save, Has Pause Feature, Good Feedback in Forums | No good variations past Fast and Slow, Pac and Ms. Pac. Only GFX Hacks | Paul ? | partygt@aol.com | | VicPac | 70 | ? | Yes | 230 | Has Most Games, Includes Eyes. Piranha, Pengo(?), Alien Armada (SI) | Many useless hacks, never heard of it before, Most Expensive. | Vic Shafran | vicanita@aol.com |
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Order Placed to Bob Roberts for:
1 Pac/Ms Pac-Man 6F Original Speed - $10.00
1 Ribbon Cable from PCB to Aux. PCB - $10.00
2 White leaf switch buttons - $4.00
USPS Priority - $6.00
Total - $30.00 Order Placed to ArcadeShop for:
1 MultiPac Kit - $199.00
1 Plug-And-Play Switcher - $45.00
1 Marquee - $40.00
1 Kickplate Molding - $10.00
10 Carriage Bolts - $5.00
USPS - $4.00
Total - $303.00
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Items added to order with ArcadeShop:
1 Ms. PacMan Upright CPO - $35.00
1 Midway Security Bit - 4.00 Game plugged in and screen was covered with F's and red 1's I have read that his problem is cuased by pin 3 on the chip in location U3 on the Aux Card. The strange thing is that after about an hour of looking around the game loaded just fine. I am beginning to think that the problem might be with the power suppy. I will be installing a power supply this weekend and also installing Clays MultiKit. So regard of which place the problem lies, it will be going away.
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Order placed with John Sugg
1 Ms. PacMan Manual and Schematics - $8.00
Shipping - $3.00
TOTAL - $11.00 Order Received from Bob Roberts!
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Aux PCB Ribbon cable and Slow Chip 6F were installing. Machine booted up perfectly. Still not sure if power up problems are fixed only time will tell.
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Monitor removed. All metal and plastic insides cleaned and derusted. Wells Gardner K7000 series installed. Now right side of screen is "bent" and yellow is absent from the bottom righthand corner of the screen. Could just be a degaussing issue. Still seeing some power glitches hopefully the switcher will fix those. If not I think the cord might be broken. Antoher thing on the list of repairs.
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The Ms Pac manual shows seven fuses,
2 amp slo-blo on the input power
2 amp slo-blo on the monitor
1 1/2 amp slo-blo for lights
2- 1 amp on the transformer feeds for 12VAC
2- 5 amp for the transformer feeds for 7VAC
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Received manual and schematics from John Sugg. Called ArcadeShop to track down my shipment only to find that it was sitting in their shop. I guess I will have to wait longer for those parts. They claim a chip was needed for the MultiPac.
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Monitor color and size settings were perfected. Monitor replacement is now complete the the difference is immediately evident. Smoked plexi was reinstalled after a thorough cleaning. Old CPO was taken off. The use of a hairdryer made this process very easy. Control panel is very stick and will need to be cleaned and painted before new CPO is applied.
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Recieved order from ArcadeShop. Better late than never! I am somewhat disappointed with the overlay. The graphics are noticable different than my orginal. Oh well, i guess a reproduction cant be perfect.
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