Kenwood TK-8150 Service Manual

Also see for TK-8150: Specifications Specifications Instruction manual Instruction manual Service manual

Contents

TK-815096. Optional Board6-1. Voice Scrambler Board Connection■ Modification1. Remove the cabinet and shielding cover from the trans-ceiver.2. Remove the panel.3. Delete R798 and R866 on the TX-RX unit.■ ConnectionThe functions of pins of CN701 on the foil side of the TX-RX unit are shown in the figure.Join the CN701 connector to the voice scrambler board viathe E37-0808-05 connector cable.Note : You must setup the FPU.The Voice Scrambler Board is connected subsequentto the de-emphasis circuit.TXI (MIC signal input)TXO (MIC signal output)RXI (Audio signal input)AC (Scrambler control signal output)BC1 (Scrambler code signal output 1)BC2 (Scrambler code signal output 2)BC3 (Scrambler code signal output 3)BC4 (Scrambler code signal output 4)NC (Non connection)NC (Non connection)RXO (Audio signal output)PTOS (TX signal output)8C (8V output)E (Ground)CN701114Voicescrambler6-2. ANI Board Connection■ Modification1. Remove the cabinet and shielding cover from the trans-ceiver.2. Remove the panel.■ ConnectionJoin the CN700 connector to the ANI board via the E37-0808-05 connector cable.When the ANI board QE-2 is used, you must also use theE37-1075-05 connector.Note : You must setup the FPU.INSTALLATIONBUSY (Busy signal output)EMG (Emergency signal output)KEY (TX control signal input)AUX (Emergency signal input)INH (MIC mute signal input)STON (Side tone input)TCNT (Speaker mute signal input)DATA (Data signal input)E (Ground)8C (8V output)PTOA (PTT signal output)DETO (Detected signal output)NC (Non connection)NC (Non connection)CN700114ANI board6-3. Example for Wire Connection■ Picture (Scrambler board and ANI board)Top viewFront viewR866R798TX-RX UNITComponent sideFig. 6-1 Foil side of the TX-RX unitFig. 6-3 Component side of the TX-RX unitFig. 6-2