Labels:book | monitor | reckoner | sky OCR: KENWOOD SB-947 SERVICE BULLETIN AMATEUR RADIO SUBJECT DATE TS- -440S OPERATION WITH THE MC-85 01/20/89 with some TS-440S transceivers insufficient modulation occur when the MC-85 compression switch turned uo This may be caused by too much vO. tage drrp across resistor R172 ua the unit the transcei this found to be the case change the resistor from IK ohm to 100 ohms REQUIRED PART 100 WHO WATT RESI STOR RD14CB2Ci01J PROCEDURE Disconnect the power and antenna from the transceiver. Using Phill ips screw dr iver remove the screws from the top cover transceiver Remove the cove and unplug the speaker wire Locate resistor R172 on the component side of the Th board (Figure Using Phillips screw ariver remove the screws that secure the IF unit to the chassis the transceiver Pull the board and rotate ...
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