Arcade Collecting > Restorations & repair

Markrvp's Donkey Kong Restoration - FINISHED

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arcadefever:
on nintendo cabs the sound board is mount on the monitor, after a while the sound was getting worse, i got that pcb from mikes arcade, and plug it in (what you see on the picture), it is really easy , the board is build to receive nintendo wires  8), just add the 12v and that all.
later the monitor finally died , i replace it with a brand new , and you do the same as the sound :) just plug the video cables to the board.

no need to buy the nintendo to jamma , unless you want to rewired your all cab jamma  ???

Witchboard:
Yeah, I would suggest checking into Mike's Arcade DK to JAMMA converter since it only runs $45.  Might save you some chedder.

markrvp:
Last night I got the new CGA monitor mounted in the cabinet.  I had to swap the new monitor tube and chassis into the old Sanyo frame so that it would mount into the existing brackets in the cabinet.  Here is what I did:


First of all, here is the broken Sanyo monitor I took out of the cabinet.  Notice that the mounting brackets are at the top and bottom.




Notice also that the chassis is mounted at the bottom on the steel plate below the frame:




Here is where the mounting bars at the top and bottom of the monitor frame mount in the cabinet:




Now look at the Happ Vision Pro II universal mount CGA monitor I am replacing the old monitor with:




Notice the first problem is that when you flip this monitor vertically that the mounting brackets are on the sides instead of top and bottom like we need:




The second problem is that when you flip it vertically, the chassis is mounted on the side.  This wouldn't be an issue except that this frame won't fit in the cabinet as/is.






Now obviously we could make a new mounting bracket to adapt this monitor to the cabinet, but I already have the frame from the Sanyo monitor, so I decided to take the tube and chassis out of its frame and put it in the Sanyo frame.  First step is to unscrew the chassis from the bottom plate and then remove these screws holding the tube to the chassis:





Then I removed the Vision Pro from its frame and put it into the Sanyo frame.  I had to drill two new holes in the plate to screw the Vision Pro Chassis down to it.

WARNING:  DRILL MOTORS USE MAGNETS WHICH WILL MESS UP YOUR MONITOR.  YOU WILL HAVE TO USE A DEGAUSSING WAND TO CORRECT THE MAGNETIC FIELDS.  DO NOT USE A DRILL RIGHT NEXT TO YOUR MONITOR TUBE (like I did).



Once I mounted the chassis, below the tube, I found that the connector for the degaussing coil no longer reached the chassis.  I had to cut the rip-ties holding the degaussing coil to the monitor and rotate it 90 degrees.  Then I used nylon rip-ties to mount the degaussing coil back to the monitor tube:




And here is the new monitor in the Sanyo frame with everything connected back to the chassis:





And here is the new monitor mounted safely back in the cabinet:

mccoy178:
Nice work.  I bet it was fun throwing those monitors around.

markrvp:
It scares me to death.  I keep thinking I'm going to get electrocuted or break the neck.

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