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Electrical connection questions
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Question
Mick80
Hi all,
I'm in the final stages of connecting up my new Sharp Image SI727 chassis and have two connections left to make that have me scratching my head. I've spent a couple of days searching for the answers on various forums and the internet generally to no avail.
The first is the yoke connector wires to the chassis are split into four different connectors, I've measured their resistance values so I know which pairs are vertical and horizontal but in which order should they be connected to the new chassis if the chassis doesn't have any helpful markings on it (the old one had H H V V)?
The other question is in regard to the power supply for the chassis- it can take 240v AC directly so I've connected the chassis' two power supply wires to the incoming 240v active wires via a connector (they weren't marked so I assume that they can be connected either way around?). This leaves the question of what should I attach the 240V ground wire to?
I read in the arcade machine restoration Wiki that all components should be attached to the flat ground strap that runs under the components in the cab, but the previous chassis wasn't connected to this (it had the 240v ground wire connected to the isolation transformer). As the chassis is only mounted on a plywood shelf, is it OK to connect the ground wire under one of the screws holding the chassis down to the plywood or should it be run to the flat ground strap?
Any help would be greatly appreciated.
Cheers
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