Whites 6000 Metal Detector Coinmaster Technical Discussion. Electronics Related

[inductor]

hello,


i am looking for any information \ documentation on some older whites metal detectors.
i have a few units that i am trying to recondition and have found it hard to find technical information.


for example: digrams, the tuning pots on the circuit boards,...

[scrungy_doolittle]

I'm completely bum fuzzeled. I have 3 5900 di pros, two of which are the di pro plus. Those do not have volume controls.
Looking at the board, I can see where the volume control pot goes, and there is a jumper wire there, just like the 4900 volume control. All the other support resistors are...

[scrungy_doolittle]

The 5900/6000 series detectors have an obsolete rotary switch made by alps.
I found a good picture of the inside of this switch....
http://forums.naimaudio.com/fileSend...GE/inlineImage...

[scrungy_doolittle]

The 4900 Di Pro comes with a double stacked pot. this is a 1 turn pot, with a second shaft that gives you a really fine selection for ground balance. It is whites part number 802-7141 15.95 when I ordered it it did not come with the knobs. Replacing the GEB control on a 5900/6000 or other whites...