Hi,
Thanks for the pictures. A few years ago I posted a
teardown of my Fluke 179 and it is interesting to compare the two.
By the way, the datecode theory seems sound: mine shows 3611 (I bought mine new in early 2012).
A few interesting differences:
- both 179s have yellow capacitors, but in the 77 they are black.
- mine does not have a stamp of close to the REV sign, but it has a sticker on the opposite side which says REV 025 (firmware perhaps)
- Despite this, both PCBs have the same REV 015
- The Fluke part has a distiguishable date code on all pictures. The AD737 has datecodes as well, but my pictures don't show its datecode of 21st week of 2011.