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White's coinmaster tr

A

Anonymous

Guest
I have a White's Coinmaster TR Detector, it only has one control. The control is the on/off and the tuner.
I want to learn how it works.
First it will not power up and the power switch is good. Do any of you have any info on the circuit?
Thanks.
 
If it is one of the earlier models (TR2D, TR4B, ...), than it should be an IB design (rather basic, I guess). Look at the Geotech forum for earlier White's IB patents. There should be explained how they work.
As for having it working... I own many IB's, many were not working correctly after had I bought them.
My procedure for getting them bach to operation are the following steps:
1st: check battery holder and and battery wiring (replace battery clip in any case, that is 80% of all disfunctions <STRONG>at the battery level</STRONG>)
From here on, you need a fine soldering iron and temperature regulated if possible (no more than 300
 
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