World of Ham Radio 1997

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OCR: KENWOOD 988 SERVICE BULLETIN AMATEUR RADIO SUBECT DATE 9405 PLL UNLOCK 4-8-86 Reports 10 PLL Unlock on the lower frequencies mey be due to low VCO levels follow ing change wtll increase the VCO level and shovlo preYent Teoccuronce of this sumpl tom Port Required 168 chonge to 15 pF 50 (CC45SL 1H150J Procedure On the RF Unit 44 1660-00) change C168 from 33 pF capacitor t0 5 D 50 capacitor Readj ust the VCO BPF (RF unit L74 -76) occording to the instructions conta ined in the S -9405service manuol DI 1 Change 168 from 33 pF to 15pF This chonge 1s applicable to units prior to serigl number 606XXXX Time Required for this modification is hour or less OTKC 40886LM T0 KEMOOD CCMMUNICATIONS 111WESTWALNUT STAEET COMPTON CALiFOFMA 30220 U.S.A MAILING BOX 7065 CPPPPPA CALIFOAN:A 9022 TELEPHO NE 21363 ...