Kenwood TKR-751 Modification Information
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Version: 1.02 USA Modification Information (MOD) 83 INSTALLING THE VOICE SCRAMBLER BOARDSC-20-460 E37-0808-05 CN601Figure 3-1 Connecting the SC-20-460Note: The KENWOOD service parts (E37-0808-05) have aconnector allowing you connect it to CN-601 of the TKR-750/850/751/851.6. Prepare the cushion having a double-sided adhesivetape. In this case, the cushion tape (No. 4008,No. 4016) manufactured by 3M can be used.Cut the cushion tape in the same size as the SC20-460 (24 mm x 33 mm).Note:" The 3M cushion tape having a double-sided adhesive tape hasfollowing thickness.No. 4016 (or No. 4416): 1.6 mm (1/16 inch)No. 4008 (or No. 4408): 3.2 mm (1/8 inch)" The above sizes are reference values. You must cut thecushion tape into the same size as the Voice Scrambler.7. Stick the cushion tapes both side of the SC20-460.No. Signalname Color No. Signalname ColorA BIN.CODE8(WHT/YEL) 1 TXO YELB BIN.CODE4(WHT/GRN) 2 TXI ORNC BIN.CODE2(WHT/RED) 3 RXO BLUD BIN.CODE1(WHT/BRN) 4 AC VIOE IRQ N.C. 5 BC1 WHT/BRN1 BUSY N.C. 6 BC2 WHT/RED2 ECHOPTT N.C. 7 BC3 WHT/GRN3 INDICATOR N.C. 8 BC4 WHT/YEL4 EMG N.C. 9 PTI BRN5 TX IN (YEL) 10 CLRC WHT6 RX IN (BLU) 11 RXI GRN7 SCRAMBLE (WHT) 12 PTO GRY8 PTT (GRY) 13 8C RED9 GND (BLK) 14 GND BLK10 + V (RED)11 RX OUT (GRN)12 TX OUT (ORN)24 mm 24 mm33 mm 33 mm |
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