New repair article - HP 3456A DMM worklog.
Published: Oct. 29, 2015, 8:45 a.m.
Detailed article from TEKTRON is ready. Enjoy repair and modifications progress.
Repair progress update on HP 3458A
Published: Oct. 11, 2015, 10:19 a.m.
Digital domain and DC PCBA are fixed. Was working and passed selftest, but failed after a day of use.
HP 3458A first test assembly with new parts
Published: Oct. 4, 2015, 2:18 p.m.
Tomorrow will be first assembly with replaced parts and power on analog side. Full worklog
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