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Subject: SG-2000 AM filter BYPASS modification

From: zielke




Several people have asked me how to remove the AM filter on the SG-2000 to

allow AM broadcast band reception.  I have sent instructions from memory but

here are the instructions which I got from SGC (I just called SGC and

recieved their blessing [thanks Terry] to put this on the internet as it is

copyrighted material).



------------------------------------------------------------------------------

SGC   SG-2000



To Bypass AM Filter in SG-2000



1. Remove top cover by removing 6 each 6-32 Black Phillips head screws which

   secure cover to the SG-2000



2. Place radio with exciter PCB up.



3. There is a long "L" shaped metal heatsink bracket located on the left

   side of the exciter.  On this bracket is the AM Filter PCB.



4. On the AM filter board, disconnect the gray coax from RF in jack and

   disconnect the short coax on the AM filter into J101.  Tape up short coax

   connector or remove AM filter board entirely.



5. Connect the long coax directly into J101.



6. Replace the top cover and secure with 6 Phillips head screws.



This concludes the bypass procedure for the AM filter.  Your SG-2000 HF SSB

should now receive down to 500 KHz.



If further assistance is required, please contact SGC.



SGC copyright © March 1995



SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA

P.O. Box 3526, 98009.  Telex:328834.  Fax:(206)746-6384. Tel:(206)746-6310

                                                                (800)259-7331



------------------------------------------------------------------------------



David M. Zielke

KA4SLI

zielke
zielke


SOURCE: The QRZ Windows Ham Radio CDROM



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