Labels:book | bulletin board | monitor | reckoner | sky OCR: KENWOOD SB-966 SERVICE BULLETIN AMATEUR RADIO SUBJECT DATE TM-231A INTERMITTENT MEMORY LOSS 04/04/90 Some loses icat TM-231A Te ion memory will owners absorb have channel pulses reported informat uo that the ion the CPU at power interrupt transceiver on line The INT4 fol] intermittently lowi and ing mod recon figure the backup SW itching circuit avoid un intent: ona loss the This modi correct ficati tools ion should disassemble be per the formed on transce iver Dealer level as they have REOUIREL PARTS 220uF 6.3V ELECTROLYTIC CAPACITOR CE04NWOJ J221M OluP CERAMIC CAPACITOR CK45B1H103K 022uF CERAMIC CAPACITOR C90 0475-05 C91-0475 2K OHM CHIP RESISTOR RK73FB2A222J ov OHM ZENER CARBON DIODE RESISTOR RD1 MTZ3 OJB 14BB2C102J Disconnect the power supply antenna and m icrophone Remove the top and ...
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