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Re: GOS-3310 , NRI 2500 , or S3000A 10Mhz oscilloscope Technical question
The schematic is available at
https://www.eserviceinfo.com/download.php?downloadstart=1&fileid=36288
best of luck trying to find a Cal instruction - I not sure one was ever done!
cheers
Harv
I have fixed a couple of these.
I use this schematic:
https://www.eevblog.com/forum/testgear/any-experience-with-atten-at7016-1-channel-10mhz-oscilloscope/?action=dlattach;attach=91652
Most times the 2200uF/25V caps have failed
Occasionally a fuse - unsure why
Once it has been the SMPS...
Can anyone please help me with a scan of the GW (Good Will) GOS-955 oscilloscope manual.
I am restoring one at the moment - they are a classic - I believe one of the first produced by GW.
thanks in appreciation
Harvey
try
https://www.testequipmentdepot.com/ezdigital/pdf/os5020-5020c_manu.pdf
Harvey
- - - Updated - - -
sorry I was fooled by the front page... It is just the same users manual
harvey
Re:opinion on the spring filter system, on the Aoyue this needed to be cleaned every 20 or so holes due to the hole in the spring clogging up.
With the Hakko, does the solder actually stick to the inside of the spring like it's supposed to instead of blocking up the hole?
Ive not used the...
What a coincidence - I just dragged out my Hakko 474 this afternoon to do a big desoldering job. It hadn't been switched on for about 3 years - it was a throwout from my old work - deemed to be beyond it's 'use by date' and it worked like a dream. So keep hunting - on the basis of today's...
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