[Heath] More SB-620 parts

Homingin at aol.com Homingin at aol.com
Fri Apr 29 19:23:08 EDT 2011


I see that parts for SB-610/620 are in demand.

Some years ago I parted out a SB-620 Scanalyzer.   I repurposed the HV/CRT 
components for a long-persistence mobile direction finding display, but I 
still have most of the under-chassis RF/IF components.   This SB-620 was 
apparently built for 455 kHz IF because it has the #1 mixer input section.   It 
came from an estate so I don't have the spare 3395 KHz IF components.

Back then I just unbolted the tube sockets and controls, so the parts are 
still mostly still soldered together.   You get the fun of unbuilding them.   
Almost everything from the input to the sweep/deflection circuits should be 
there, including:

350 KHz crystal
Two adjustable trap coils (40-590)
One oscillator coil (40-775)
One 305 uH peaking coil (45-33)
Two 7.5 M-ohm linear pots (10-94)
One 500 K-ohm pot with push switch (19-80)
4-pole sweep width switch (63-439)
Two crystal sockets
Four 7-pin tube sockets
Two 9-pin tube sockets
Two 6-lug terminal strips
One 4-lug terminal strip
19 misc disc ceramic capacitors
35 misc half-watt resistors
4 misc mica capacitors
One 1uF 400V resin capacitor (27-71)

See a photo here: http://www.homingin.com/SB620parts.jpg

$30 via paypal includes Priority Mail postage in the USA.

73,
Joe Moell K0OV
homingin at aol.com
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