Author Topic: hp 204d  (Read 2920 times)

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Offline diode702

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hp 204d
« on: February 24, 2013, 11:16:35 am »
Has anyone  got experience with this 204d oscillator.  I was give  this 204d and a hp power supply 0 to 3o v at 3 amps and a tek  2235 scope.  ive got the scope and the power supply working great but the 204d is giving me trouble.  It was clean but dosenot work.  After i finally got it apart i located the plus 13 and -13 power supply which was working ok but the unit has no output.  I found a operator manual on the internet but no schematic or troublingshooting info.  Does any one have a schematic or know where i can get one.

thanks diode 702

Offline amspire

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Re: hp 204d
« Reply #1 on: February 24, 2013, 11:42:02 am »
The 204C manuals are here. Hopefully not too different

Offline flash2b

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Re: hp 204d
« Reply #2 on: June 18, 2018, 05:29:58 am »
I recently also acquired a HP204D

Operating and Service manual for HP204C and HP204D models are here: On that site please wait till "processing" is turned into "download"

However the power supply schematics are not in the Elektrotanya link, but gladfully they are part of the Bama link.
« Last Edit: June 18, 2018, 05:42:07 am by flash2b »

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