Restoration or keep it like this? Space invaders cabinet

Arcade Collecting > Restorations & repair

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ger:
In de evening, i made some time to do a little bit of electronic cleaning.
also did a good clean, with wax like Jennifer said.
it is offcourse not like new, but its a cabinet with history of 42 years.

4 things i need to figure out;

where to get the levels (do not know if thats the correct word) its a kind of bolt where the cabinet rest on the ground.
the image on the screen is flickering. i dont know how to adust this.
the savety switch works not good. push in (cabinet close) the cabinet goes off.
savety pull out, it goes also off.
and in normal mode (cabinet backdoor open) the cabinets play ?
and i notice some (looks like oil) on the monitor transformator.

i looked also at some youtube movies about this machine,
TNT Amusements Inc (todd) is telling to replace the power supply to get a good nice clean voltage.
i am the kind of guy, if it works. dont touch it. or does he have a point? and must i replace the powersupply?

i hope you guys/girls can help me.

Cheers Ger
Wax

Oil?

Before

After

Coin mech before
Coin mech after

Black stripe moves quick from left to right

jennifer:
It sounds like she is tired, That oil on the coil is a bad sign, it it leaking voltage, and the chassis needs to be rebuilt, it's not hard or expensive but it is high voltage, and quite dangerous,( I would leave the machine off until that is addressed)...Jenn would start there on that machine, read up on safety, and threads that talk about flybacks and cap kits, and buy a good voltmeter (not a cheap one but some quality) and a solder gun and maybe some old junk boards to practice on...TNT guy is not wrong about the power supply, there are 2 of them on that machine actually, and they will be next to go, but one thing at a time.

ger:
Hello Jennifer,

Thank you for your answers.
I know about the dangerous voltage.
I have good gear to replace parts.
Only problem is. I don’t know where to buy the parts.
Cleaning the monitor will not do the trick?
I need also a new monitor?
And can you tell me something about the scrambled syncing problem. How to adjust this?
Also I have a cocktail with original tv and harnas, and some hanterex chassis and tubes.
I would like to help others with that.
Is this forum a place to offer it to other arcade lovers? I can ship, but overseas is a problem i think.

jennifer:
No your monitor is most likely good, you can wash it once you have it out, But your problem now is that flyback (leaky oil thing) is losing voltage to drive the monitor, and again high voltage, I would not even turn it on at this point...You need to short out the anode, and remove the chassis, if you remove the monitor too be really careful with the neck, it is the weakest part and will break easily, and there is no fix for that, Your sync problem most likely fix itself with a rebuild...I dont know what your choices for parts are there, but I would think your going to be getting some boxes from the states very soon...Jenn has 2 of those cabs, The parts (flyback, and transistor) came to around 80.00us, and the caps were around another 70.00 but they were not a kit, they were hand picked high temp caps (a kit would be cheaper) but still shipping might be more issue for you with that VAT thing.

ger:
Thank you again!

I noticed a weak connection on the power supply.
I think this can also be a problem.
So need to find that connector, or build it with a standard power supply, and reconnect like tnt does.
Tonight I will try to find a carkit and the parts to rebuild the chassis.

I allready unwire the tube and chassis.
Strange i did not hear a click when i did a screwdriver with connect the chassis.

To be continued.

Cheers

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