Reply to "Another PS1 question, this one a little tougher"

Jeff_the_Coaster_GuyOGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

@bruce benzie posted:
the copper circuit fires? what is that?

LOL, yes I meant "coupler". Although there is copper involved. You can hear the coupler solenoid buzzing and buzzing but when you press the knuckle closed, it stops. It's not a short in the coupler itself because I've used this test rig before and after successfully on several other boards, so the issue is definitely in the card somewhere.

Do you guys know which voltage regulators run which components on those boards? I have some spares.

2/5/2111:07 AM

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