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HP 8640B RF Signal Generator - Repair, Test, And Then Another Problem Found

In this episode Erik repairs a Hewlett Packard 8640B RF signal generator he's owned for about 25 years. Quite a few years back the AM switch broke and the signal generator has been in storage since. Let's fix it so it doesn't break again. This means major disassembly. Lots of service tips you can use if you also have an 8640B. As work is being done another switch falls apart and it turns out all the internal rotary switches need repair. A RIFA safety cap is ready to explode, a noisy fan is remedied, and option 1 variable modulation oscillator is added. But then during testing another problem is found with FM.

Don't miss part 2!
https://www.youtube.com/watch?v=OwohBcYx4Ck

#hewlettpackard #testequipment #electronicsrepair

Видео HP 8640B RF Signal Generator - Repair, Test, And Then Another Problem Found канала Erik's Electronics Workbench
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