Robb -
I don't recognize the HEP6050, and can't find any data on it. It's a Motorola 'replacement' (like
NTE) and 'may' be an MC1496. If so, there may be a PD in Ham Radio. The original 'Sartori' PD, that
I think became the Sherwood used a TL-422 originally, and later subbed with a '1496.
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line
and TR-4/C Service Supplement CDs
<www.k4oah.com>
Robb Urie wrote:
Howdy,
While installing 4 of the Sherwood mods in my R-4C, I came across a
pre-existing circuit board
that turned-out to be a replacement product detector.
I removed it to make way for the new PD-4, but am curious is this could be one
of the early
Sherwood ones or maybe a Santori version. It is on a
small perf board and uses a Motorola HEP C6050G IC. I don’t have any of the HR
magazines that
described the DIY mods, maybe it’s time to get the
CDs.
I’m just wondering what it is...I’ve had this set since 1995 and have only
installed the Inrad
GUF-1 up to now. I've also done the LED lamp kits
and they look great. For those who maybe considering doing any mods, be aware
that wayward
soldering irons love s-meter pots.
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