Labels:book | monitor | reckoner | sky OCR: KENWOOD SB-971 SERVICE BULLETIN AMATEUR RADIO SUBJECT SL -950S /SD RECEIVER NOISE DATE 05/29/90 About 1mV of noise is present at the speaker to headphone jack in the rece. ve mode with the GAIN control to minimum If the transce iver the CW mode faint tone might also be heard through the headphones si idetone leakage) The foll iowing modi cat ion will reduce the level of the noi se and the tone REQUIRED PARTS 2SD1757K(S the power cord and antenna Remove the top and bottom covers 18 screws Locat te the unit on the bottom of the iver This is the front left board 01 the four boards on the bottom the transceiver Remove the screws from the AT unit and disconnect the plugs as necessary to turn the over to expose the foil side of the board Replace 06 with 2SD1757K(S Solder AWG jumper wire shown in ...
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