(Topic ID: 187750)

System 7 Added Fuse Blows

By drscottsmith

6 years ago



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#1 6 years ago

All -

I have added a slo blo 8a as recommended to the ac side of the rectifiers for coils and lamps. All of a sudden about 5 min into game play the coil fuse will blow. New rectifier so I don't think it is shorted. Game is BlackKnight, for the record.

Thoughts?

#2 6 years ago
Quoted from drscottsmith:

New rectifier so I don't think it is shorted.

Yeah, a new part would never dare fail prematurely.

LTG : )

#3 6 years ago

Black Knight is a 4 flipper game with Magna Save......
All those solenoids can be activated at the same time.
That WILL draw a lot of current.
The power supply board has a 20A fuse for the flippers (and Magna Save).

I would say use a larger fuse, like 10 or 15A for the first time testing.
Maybe you need to goto 20A, but I think this is a bit high, but then again the power supply asks for 20A.

Peter
www.inkochnito.nl

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