Labels:bulletin board | earth | poster | reckoner | sky | trade name OCR: KENWOOD ASB- 1052 Service Bulletin Amateur Radio Division Subject: TS -950SD 18.115 MHz Spur Date: March 1994 Symptom: Transmitting on 18.1145 MHz causes spur to appear at 18.1150 MHz with the antenna tuner on Corrective Action Add the low pass filter shown in the accompanying diagram to the input circuit of mixer Q41 on theIF Unit (X48-3060- 00 This filter will increase the attenuation bv approximately 20 dB Parts Required: Qty Description New Part No Circuit Description 220 uH Inductor L40 -2211-14 220 pF Chip Capacitor CC73FSL 1H221J Add 220 UH Q41 inducto CN17 Add 220pF Cut foil path IF Unit (X48 3060-00) Foil Side View Caution: This modification requires advanced surface mount soldering equipment that is rated for CMOS circuits also requires farmiliarity with advanced surtace mount so ...
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