Labels:book | bulletin board | earth | monitor | reckoner | sky | windowpane OCR: KENWOOD ASB-1010 Service Bulletin Amateur Radio Division Subject: AT-50 Blows ACCY Fuse in TS -50S Date April 30 1993 Symptom: Attempting to tune the AT -50 when it is connected to an antenna with relatively high SWR value might cause the ACCY fuse to open in the TS -50S This change will correct this tendency Parts Required: Qty Description Kenwood Part No. .047 disc ceramic capacitors CK45B 1H473Z Procedure: Remove the top cover from the antenna tuner Locate X53 3470-00 D/4 (It is attached to the top left side of the chassis with the foil side up.) Add the two .047 UF capacitors as shown in the drawing below Replace the top cover No additional adjustments or modifications will be required Add Caution: This modification requires soldering equipment rated for CMOS type circuits I also requi ...
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