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Re: HP 3325A Function Generator A3 Mixer Troubleshooting U15 And R106

alchristensen@gmail.com
 

Ozan,

I replaced U15. TP6 and TP7 then measured 125mV each. But now…0mV on either. I checked T1 secondary and CR101 and they seam good. 4.91V at U16 pins 5 and 8, 1.84V at pins 1 and 4. What a stumper….

Alan
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