Author Topic: Tektronix 5006 DC power  (Read 929 times)

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Offline tonycTopic starter

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Tektronix 5006 DC power
« on: July 14, 2016, 09:29:53 pm »
My 5006 stopped working a couple of weeks ago. When I turn the power switch on I still hear the beep sound but no DC power come out of the slots. I know the AC power is good because the DMM module uses AC power and still works.  Does anybody know what are the usual culprits for such problem?
 

Offline BFX

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Re: Tektronix 5006 DC power
« Reply #1 on: July 15, 2016, 07:21:37 pm »
I think you really need take apart this guy and measure something   :-DMM
A few photos will be helpful  8)
 

Offline David Hess

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Re: Tektronix 5006 DC power
« Reply #2 on: July 15, 2016, 08:48:56 pm »
In the TM5006, the DC power is provided by a switching power supply while the AC comes from a line transformer.  Obviously there is a problem with the switching power supply; the primary suspect is the aluminum electrolytic capacitors which are probably worn out with age.

There is no beeper so I assume the beep is coming from the switching power supply when it tries to start.
 


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