Labels:book | bulletin board | reckoner | sky OCR: KENWOOD ASB-1048 Service Bulletin Amateur Radio Division Subject: TH-78AT IMD Improvements Date April 12 1994 Symptom When the transceiver is subjected to strong electric field such as might be encountered near an FM Broadcast station TV Transmitter ornear Land Mobile repeater sites the sensitivity might be lowered scanning operation may become difficult or impossible distortion of the desired signal may be or problems with the S-Mete circuit may become apparent Countermeasures: Change the components indicated in the chart and accompanying diagram on the Unit (X57 4090 B/4) will reduce mixer currents and reduce the bandwidth of the Band Pass Filter BPF circuit Parts Beguired Qty Description PIO Part No New Part No Circult Description K Ohm chip resistor RK73GB 1J391J RK73GB1 1J102J R80 3.3 ...
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