A 16 amp breaker ??? You mean 15 amp?
You said "Main Fuse" - that would be about 100AMPS or more
(you said you had 18 circuits, so could be 150 amps, or 200 amps)
Did you really blow the main fuse? If so, you have major problems.

There is normally a fuse inside the cabinet that should blow before
the circuit breaker for that circuit (it should be less than 15amps)

Note on above - continuity.

You should have no continuity between the different blades of the plug with
the power to the machine OFF.

When you turn the switch ON, the power cord will be connected to
the transformer, so there should be some continuity (If it is 0 ohms, you
have a dead short after the switch - hot wire touching to neutral or ground)

what I would try next is pulling the plug from the wall.
Short the blades together (3 if grounded, 2 if not)

disconnect from the transformer.

Check the pins/plug on the wire for shorts with the switch on
and with the switch off.

Unshort the blades of the plug, and check the pins/plug for shorts
with the switch on and off.

Once you post the results (for the 4 tests)
I will give other things to check.

UNPLUG MACHINE

If its blowing the house circuit, it is probably the primary winding
(where the mains voltage goes). It could also be a problem
with the primary/secondary shorting together.

Put your ohmmeters probes into the back of the PS connector.
You should see some resistance, but not 0.

While watching the meter, start attaching the plug.

When meter reads 0 stop, and see if you see something "different".
Also try the same thing with the probes in the back of the
power connector (pins that go to PS - looks like the top orange/white and the bottom orange)

I must have misunderstood what the problem is then.

I thought the problem was that the house circuit blew when
the machine was powered on and the power was connected
to the transformer.

Can you post a schematic of the machine power supply?
And please mark/describe where the connectors are you are playing with.

Thanks FAZ

You are using 220?

I am looking at the schematic on page 44 (Power Wiring Diagram)

It looks like you should have a 4A fuse at IF1 OR 1F1

Was this game working before - Did anyone mess with the connectors?

Does the service outlet work when the power switch is OFF?

*Attachment changed to PNG)
Thanks FAZ

You are using 220?

I am looking at the schematic on page 44 (Power Wiring Diagram)

It looks like you should have a 4A fuse at IF1 OR 1F1

Was this game working before - Did anyone mess with the connectors?

Does the service outlet work when the power switch is OFF?

PS.png

Check the connectors to make sure the pins are in securely, and look
for any signs of heat (blackening, warping)

Less than 1 ohm will cause problems

If this is on the input side, you have problems

Amps=Volts/Ohms Amps=218/1 = 218 AMPS
1/2 ohm = 436 AMPS

Is this connected to the transformer, Switch On?

The more info we have, the easier it is to isolate the problem

there is a reason your first circuit breaker blew!

Do you have anything else plugged in to the first circuit?
If you do, unplug everything else and try the pin on that circuit.
If it doesn't blow, you are probably just drawing too many amps
for that circuit, in which case moving to a different circuit shouldn't
be a problem.

If nothing else is on that circuit, it could be a weak breaker. Try replacing the breaker.
If you call an electrician, he can check the breaker, and
measure the amps your pin is taking, and how much current
you draw on that circuit.