FROM: N0HME
SUBJECT: TM221/A MOD


GENERAL COVERAGE XMIT - TM-221/A

  1-REMOVE TOP AND BOTTOM COVERS, REMOVE LOCKING RING ON MIC CONNECTOR.

  CAREFULLY REMOVE PLASTIC COVER.
  2-PULL FRONT OF RADIO OFF (PLUG IN CONNECTOR)

  3-LOCATE THE CONTROL UNIT (XX53-3040-XX) 

  4-REMOVE THE SMALL RESISTOR CHIP FROM R25, THIS GIVES YOU XMIT FROM

  (142.000 THRU 151.995) 

  5-REPLACE THE SAME RESISTOR CHIP FROM LAST STEP ON TO THE SAME BOARD

  AT R24 WHICH IS EMPTY, THIS GIVES YOU XMIT FROM (138.000 THRU 154.000
) 

  EACH SET WILL GIVE DIFFRENT RANGE DEPENDING ON THE VCO SETTING, SOME

  WELL XMIT HIGHER THAN 154.000 AND SOME WILL SHUT OFF LOWER. THIS
 CAN BE CHANGED BY RESETTING THE VCO. 

                          RELAYED   BY...N0KGX...GENE