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Info on mods for Uniden 2510
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Date: 19 May 90 04:02:23 GMT
From: [email protected] (Robert Casey)
Subject: Mod file: Uniden 2510 AGC speed mod for packet
To: [email protected]
copied from packet:
Msg# TSF Size #Rd Date/Time MsgID From To
26389 BF 1878 1 0508/1111 6894_TI3DJT TI3DJT MODS@NYNET ()
Sb: speeding up Uniden 2510 AGC
For those of you who are using a Uniden 2510 for packet, you can
speed up AGC speed considerably, just by removing the AGC SSB switch
transistor Q-111 This transistor switches the AGC off for CW
operation, and on for SSB operation. All I did was remove it and my
radio now works with very good speed on 10m. You may put a switch
between the pads that were for collector and ground. When you want slow
AGC turn the switch ON pulling line to ground. For fast agc turn
switch off leaving line floating. That is all there is to it.
The description of the mod for the 2510 may work for the 2600.
Those who have the Uniden 2600 may find that the AGC is the same for this
radio. Look for NJM2902 IC (this is the AGC amp), you may find a
transistor connected thru a RC network, to pin 12 of said ic. Remove
also. (this mod not tested!)
Ciao de Chuck ti3djt @ ti0paq.cri.na
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Note: I haven't tried or verified this, proceed at your own risk! WA2ISE
A notice found on a piece of test equipment made in Japan:
"IT PUT ON THE VINYL SHEET ON THE SURFACE OF UPPER & LOWER PANEL FOR THE
PROTECTION PLEASE USE AFTER TEAR OFF VINYL SHEET WHEN USING.
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