Thread: P6563A Tek probe repair?
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amdx[_3_] amdx[_3_] is offline
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Default P6563A Tek probe repair?
On 7/22/2014 11:15 AM, wrote:
Does anyone have schematics or suggestions for repairing a Tek P6563A scope probe? The problem is the signal line has only a 390 ohm resistance to the shield as measured with a DMM.

What exactly are you measuring?
If you are measuring in the X1 mode from the tip to the center conductor
of the BNC 390 ohms might be right. My elcheapo probe measures 250 ohms.

Are you really measuring from tip to shield?

What is the symptom?
Mikek
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