Arcade Collecting > Restorations & repair

I still go BERZERK !

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Level42:
WAHHOOOO ! Yes !!

I'll put my pre-order in today !

Would it be a good idea to offer the correct new buttons with the panel ? I know we can get them elsewhere but....well....just any idea, would be convenient :D


I also found the correct coin-door sticker here:



http://www.bigdaddy-enterprises.com/forsale/decals.html

Level42:
OK about the speaker. I already mentioned the original speaker is very light and has an absolutely tiny magnet and coil. I'm already amazed that it produces the sound that it does at all (thanks to the cab acting as "bass" box).

The candidates: Sony car speaker, to the right the original Berzerk speaker and under those the speaker from the SW cockpit:


Notice the very tiny magnet and coil on the original speaker.


It was selection time. I first replaced the original speaker with a Sony car speaker that I had around.

Although it brightened up the overall sound, it lacked the deeper sounds (bass) that I was looking for. Actually I thought it toned the sound quite badly (exaggerated highs, a common problem of low-price brand speakers) so I think those are not very good speakers at all.The original speaker simply sounded better ! Also the size was a bit to small to fit it at the same location.

Next I tried one of the speakers that I had removed from my Star Wars cockpit, and hey, there is the much deeper bass-sound, which increases the voice quality a lot and esp. the robot's shots are much more impressive.
It also did not raise the "high" tones like the Sony did, and that was good for this game.

Size is a problem though, it's larger than the bolt pattern for the grille. I will fix that though.

Level42:
OK let's get this moving.

Decided to start work on the drawer board. I must say, this is one of the more brilliant things on the Berzerk cab.

I was finally able to find out how to remove it, and if I'm right it only takes one bolt to remove to be able to slide it out (but not sure yet as I removed the entire sliding rails on top and bottom).

Here's the drawer outside the cab. Removed the ZPU already. It looks OK from a distance, but I like to have things clean and as "new" as possible.


Slider on the back of the drawer, rusted and dirty:


The leaking battery didn't only damage the PCB(s), but also the strip(s) it was mounted on:


Removed all the PCBs:


Then the wire harness, tranformer and other stuff. See how the metal strips look:


Here's a close-up of some of those strips (the lowest one is the sliding part on the under side of the board):


Removed all strips. Some heat spots here and there:


Clean after some good scrubbing. The streaks will be invisible after some time (aluminum oxidation)


At those times you think you must be crazy: Hand-sanding all those strips. A tedious job for parts no-one will probably ever see again (except for me)....


Strips re-mounted:


Harness and stuff CLEANED and re-installed:


PCB's and flat-cables CLEANED and re-installed:


I only fixed the board with a couple of screws because I want to replace them with thumb-screw (the one's PC case modders use).

Removed the slider on the bottom of the cab. This is how it looked:


This will also get the full sanding treatment. I will "grease" everything with some teflon spray and then the sliding should be silk-soft again.

I also removed the top sliding part on the cabinet side. Bolts will need sanding and painting and of course the sliders themselves will also need the "full treatment".

Spyridon:
Wow, what a difference!

IG-88:
Occasionally one of the robots in the game spouts off with a very bass sentence. I bet that will sound cool with that SW speaker.

Also, how do you clean your harness's?

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