Labels:book | chat room | monitor | reckoner | sky OCR: KENWOOD SB-954 SERVICE BULLETIN AMATEUR RADIO SUBTECT DATE TA7201P SUBSTITUTION PARTS KIT 07/20/89 The Toshiba TA7201P audio amplifier (Q3) used in the TS- -820S and R-820 is no longer availab P The part has been replaced with kit (PART WO5 0257 -00 This serv ice bu ietin will ide the cor rect ins tallat. ion procedures foI replacing defect ive TA72 01P with the new ki Disconnect the power cord and antenna from the transce iver Remove the covers from the transceiver and disconnect the speaker wire. Remove the AVR board from the bottom of the transceiver screws and connectors) Remove nuts that secure the heat sink to the audio amplifier Q3 and then remove the heat sink FIGURE Desolder and remove Q3 C21 C22 26 C33 R4O Re and R47 from the AF AVR board C33 and R47 are mounted the foil side of ...
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