Labels:book | reckoner | sky OCR: KENWOOD ASB-1033 Service Bulletin Amateur Radlo Division Subiect: TM-742/942A Microprocessor Change Date: November 29 1993 Symptom: Reports of problems with microprocessor lock-up when using S -meter squelch problems with storage/recall of PL tone freguencies of 203.5 Hz and/or 114.8 Hz. problems with lack of transmit on the UHF band modules during Remote operation can be corrected using the changes noted in this bulletin Units that exhibit any of these symptoms with serial numbers between 412XXXX and 507XXXX need only change 101 on X53 3460-21 B/2 Units that exhibit any of these symptoms with serial numbers 412XXXX and below must aso change IC on X54-3130 Units with serial numbers of 507XXXX and greater have had these changes incorporated in production Parts Required: Qty Descriptlon PIO ...
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