Quote:
Originally Posted by cdm1christopher
I'm assuming it does not matter which way the mains input goes? At present live is on the switch and negative to transformer. But I think these types could go either way.
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It could go either way; in general I prefer to switch the live but as mains is going to a wafer on the bat/mains switch I might choose to switch neutral in this instance (especialy if I was touching something close to the switch).
Quote:
Originally Posted by cdm1christopher
Using the service sheet it's okay but does not have voltage ratings except for bias voltage on R15.
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You are using the manufacturer's sheet then (the other sheet has different reference numbers). That bias voltage is a handy thing to measure (5.6 volts).
Another key voltage is the DL96 anode (91 volts).