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Tech Arsenal 1
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Tech Arsenal (Arsenal Computer).ISO
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misc_mod.zip
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440CHUFF.MOD
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1991-06-20
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2KB
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48 lines
For all you who have asked about mods for the DX440, here is the mod for the
DX440/Sangean ATS803a that gets rid of the "chuff" as the radio scans
through different frequencies. This is a transcript from one of the $
services.
The anti-chuffing mod is VERY easy and well worth it. I especially like
hearing the freqs being scanned when in scan mode, because sometimes the
scan will miss something. Also, as someone previously suggested, I didn't
unsolder the jumper, but just bent the 2nd wire of the ribbon cable out of
the socket on the main pcb. Believe me, ANYONE can do this, and there is no
need for a soldering iron, just a screwdriver and 5 minutes. To those of
you who didnt see the description of this before, here is how to do it:
1. Set the radio face down, unscrew the 6 screws holding the case together
and take off the case.
2. Locate the 6 wire ribbon wire connecting the two PC boards and follow it
to the left, untill it goes into the connector on the main board.
3. Gently pull the ribbon cable from the connector, and bend the second
wire from the left at a right angle to the cable.
4. Carefully reinsert the ribbon cable into the connector, making sure
that the 2nd wire from the left doesnt go into its socket.
5. Put the case back on, screw the 6 screws back in, and turn on the
radio, noting the lack of the annoying 'chuff' between frequency changes!
Hope this helps.
Michael Mitchell
-------------------------
I did this on my 803a and it works famously. Let me add that it's a 10 wire
cable, not a 6 wire cable. It makes a right angle bend as it goes from one
circuit board to the other. And I made sure I folded the wire end up toward
the
top of the radio; this was away from the connector, so that random shaking
wouldn't cause the folded end to make connection again or to short out another
connection. You'll see immediately what I'm talking about.
Happy tuning.
--Adam--