Kenwood TK-8102 Service Manual

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TK-810212INSTALLATION1. Optional Board1-1. Voice Scrambler Board Connection■ Modification1. Remove the cabinet and shielding cover from the trans-ceiver.2. Delete R202 and R267 on the TX-RX unit.A987DCBAA1213789101112112BA11CA10DA9E12345B56B77A88A79A310B1111B912B4E18Voice scramblerboard12 pins lead wirewith connector (A)E37-1081-05CN212651110145791111111 pins lead wirewith connector (B)E37-1080-05CN3■ ConnectionThe functions of pins of CN2 and CN3 on the TX-RX unitare shown in the TERMINAL FUNCTION section (page 37).Fig. 1Fig. 2R267CN3R202TX-RX UNITComponent side■ Pins ConnectionVoice scrambler 12 pins lead wire 11 pins lead wirefunctions with connector (A) with connector (B)A A-12 –B A-11 –C A-10 –D A-9 –5 – B-56 – B-77 A-8 –8 A-7 –9 A-3 –10 – B-1111 – B-912 – B-4■ Setting With the KPG-70DSelect “External Devices” from the “Edit” menu and setthe “Scrambler”.Note :The voice scrambler board is connected subsequent to thede-emphasis circuit.Cushion (G13-1963-04)Cushion (G13-1964-04)Voice scrambler boardFront sideto CN2 and CN3to CN2and CN3CN3Voice scramblerboardCN2TX-RX UNITComponent sideFig. 3