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Old 12th February 2019, 09:35 AM
John Caswell John Caswell is offline
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Join Date: Dec 2005
Location: Wokingham, Berkshire
Posts: 1,700
Default Re: New build WDPhono 3 Questions; heater voltage/LED

Guys we are trying to, fix several different things at once so confusion will arise.
The first thing to do is get the heater supply correct in the PSU without anything connected.
I suspect that there is something wrong with the wiring around the regulator itself.
The fact that the heater voltage reads 6.5v without any valve plugged in then drops the moment a valve is plugged in, suggests to me the the regulator is wired incorrectly.
The PSU needs to be checked without the phono3 connected first.

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