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Well - picked it up today. I am going to work on it a bit tonight and take some pictures. Its not working currently. I arrived and he attempted to get it working - marquee and power to monitor but no game. I told him given it could be anything I would only go $200 and he took it.
So I am going to need some help with this one....
But for the price I am looking at it as my restoration baptism of fire...![]()
Wells Gardner K4600 19" monitor. You're likely going to need to re-cap the chassis...
You could "start" unplugging then re-plugging in the PCB's in the cage. Either BARELY remove then re-insert or remove completely, then look down in to the cage to make sure there are no stray labels before re-inserting. The labels on the PCB dry up and come off and if they get caught in the connector in the cage, it causes problems (obviously).
Also, post the image on your screen.
Can you "coin up" and then play?
When you say no sound... do you mean no sound at all or static or anything?
first thing, buy the arcadeshop power supply. don't mess with the boards! don't clean or reseat chips. power first. if you can meter the linear power supply then check it for voltages. if not, just swap the power supply and see where you are at.
http://www.arcadeshop.com/i/931/midway-power-supply-kit-2.htm
take a pic of the monitor pcb. you will probably have to recap it. could be wells 4600 or 4900 or electrohome g07.
wizard of wor is not the easiest game to work on. so take it slow and ask questions. there is a safety interlock on the front door. the boards should slide out through the front.
Power supply arrived today. I installed it according to the instructions and now game fires up - I can hear all the attract mode sounds! However....the monitor and marquee do not power up now. According to the instructions for the power supply I was to simply attach the long 19 pin connector to the new power supply and then connect it to 115v ac. I was to ignore the 12 pin connector as, according to the instructions, it will no longer be used.
However, that means the monitor and marquee are not connected to power. Also, with only the 19 pin connector and the ac power connected, all the safety interlock switches and the power switch are also bypassed. So when I plug the machine it, it powers right up, and the only way to power it down it to unplug it.
So I think the instructions are missing a few important steps. I assume I am going to need to somehow connect the wiring harness that goes to the interlock switches, power switch, and monitor and marquee power. Any tips or places to go to see how this should be done so I don't just start blindly splicing wires together?
Thanks for the help so far - I am super excited that the game seems to be working - I just need a little help getting to the finish line so I can actually get the monitor powered up as well...
Edit to further clarify: I have the wall ac wire attached directly to the two 115v power poles on the new power supply. I think I need to connect the new power supply to ac power at another point after all the fuses and interlock switches and such. But I am not sure where exactly it should be connected in line.
don't do that! Your bypassing everything that way(fuse and ac filter).
http://www.therealbobroberts.net/acwiring.html
that ac wire to the switcher needs to connect to the ac in the cabinet.
I think the manual that comes with it says to tap the monitor power, but that is wrong. Your defeating the isolation transformer.
you should attach it to the wires at the interlock. I am in brain fart mode right now and I forget if its the inner 2 or the outer two(I think outer two). if you cant figure that out, then use the wires that power the marquee light. Just not the monitor or the 3 prong power plug inside the cabinet. the interlock is in the top right of your last pic under the white plastic.
I just picked one up this past weekend at SFGE and was thrilled to get it. Looks great, plays great - a steal at 500 bucks!
Steve
MM
So I re-wired the new power supply tapping into the marque power lines. Now everything lights up and works - but the monitor has a white screen. I can adjust the brightness and such - but its just a white screen. Game is running - I can hear all the sounds, buttons work, and I can coin up and play.
So - white screen crt - any suggestions? Is cap kit next or could it be something simpler? I checked all the fuses and they look fine. I re-seated all the boards and connections last night but I could do that again I suppose...
did you mess with the monitor? with the power off on all of these.
first I would try reseating the cards on the monitor chassis. any change?
on the back of the card that has the video cable, try turning it 1/4 turn and see if it went darker or brighter.
on the neck board there is a screen voltage pot. you can turn that down and see what happens.