Arcade Collecting > Restorations & repair
Dig Dug Restoration by a Complete Noob
Level42:
--- Quote from: Pop Culture Portal on March 28, 2009, 10:37:59 am ---I touched up the solder on the cap kit I installed and added a little more to the 5v.
--- End quote ---
How much little more did you add to the 5V ? Measure between the test-points on the game PCB between GND and 5V. Get it as close as possible to 5.00V there.
Pop Culture Portal:
--- Quote from: Level42 on March 28, 2009, 01:42:13 pm ---
--- Quote from: Pop Culture Portal on March 28, 2009, 10:37:59 am ---I touched up the solder on the cap kit I installed and added a little more to the 5v.
--- End quote ---
How much little more did you add to the 5V ? Measure between the test-points on the game PCB between GND and 5V. Get it as close as possible to 5.00V there.
--- End quote ---
Another idiot question...I used the multimeter and found the GND and 5V points on the PCB and tested between the two and got a reading of 5.0 (if I did it right).
I just installed the cap kit for the monitor and there is no change. I did notice that one of the caps on the monitor board had been snapped off. I had hoped that putting a fresh, new cap in that spot would help in some way, but it didn't. Still no neck glow and I did check the brightness to make sure it wasn't turned all the way down, but that doesn't seem to be my problem.
Is there any way of checking to see if the noise is being caused by the AR or the PCB or both? I went back to make sure I installed the AR Repair Kit correctly and it looks like I did...polarity is right, correct caps/resistors. What should I try next?
SirPeale:
--- Quote from: Pop Culture Portal on March 29, 2009, 02:04:58 am ---Is there any way of checking to see if the noise is being caused by the AR or the PCB or both?
--- End quote ---
Paper towel roll to your ear. Move it around. When it's loudest, you have your culprit.
Kevin Mullins:
Starting to wonder if by sending 120v to that monitor has damaged other components. It's typically a 100v monitor.
Might want to start checking all the major transistor like the H.O.T. and the measure the B+ to see what it's doing.
Pop Culture Portal:
--- Quote from: Peale on March 29, 2009, 07:04:01 am ---
--- Quote from: Pop Culture Portal on March 29, 2009, 02:04:58 am ---Is there any way of checking to see if the noise is being caused by the AR or the PCB or both?
--- End quote ---
Paper towel roll to your ear. Move it around. When it's loudest, you have your culprit.
--- End quote ---
Rimshot!
And to think I almost ran upstairs to the kitchen to find said paper towel roll...
I'm beginning to wonder if I wouldn't be better off buying a GO7 monitor like what is supposed to be in the Dig Dug in the first place and finding a PCB that isn't jacked up as much as mine. I can see a Dig Dug image burned into the monitor, but I'll be damned as to how they got an image to the monitor in the first place with the wiring the way it is now. I've got a Joust project much further along than this Dig Dug project and I'm thinking about switching to that for awhile.
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