Labels:lodestone | monitor | reckoner | sky OCR: KENWOOD ASB 1029 Service Bulletin Amateur Radio Division Subject: TM-742/942 28 MHz/50 MHz RC TX Failure Date: June 29 1993 Symptom During RC operation (Remote Control) the 28 MHz and 50 MHz modules do not transmit after frequency within the affected band IS entered from the microphone keypad. Pressing the PTT key will cause beep to be sounded but the radio will not transmit This error is result of a programming errorin two of the microprocessors Corrective Action: Replace IC1 on the Control Unit X53 3460 B/2 and IC1 on the Display Unit X54 -3130 A/3 to correct this symptom Parts Required: Qty Description Kenwood Part No Circuit Description Control microprocessor HD64 433388A07F Display Unit microprocessor HD4047 19A32H Note: To activate the RC function after changing these two parts you n ...
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