Kenwood TK-8150 Service Manual

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

Contents

TK-815067TERMINAL FUNCTIONPin No. Name Description11 PTOA PTT signal output. “L” : PTT on, “H” : PTT offL ≤ 0.05V, H ≥ 4.6V/30kΩ load12 DETO Detected signal output. DC coupled. Zo ≤ 100ΩWide : 0.8Vp-p typ., Narrow : 0.7Vp-p typ.(Standard modulation)13 NC Non connection.14 NC Non connection.CN701 (To voice scrambler)1 TXI MIC signal input (Capacitor-coupled). Zin = 100kΩ2 TXO MIC signal output (Capacitor-coupled). Zo = 1kΩWide : 85mVp-p typ., Narrow : 85mVp-p typ.(Standard modulation)3 RXI Audio signal input (Capacitor-coupled). Zin = 27kΩWide : 1.3Vp-p typ., Narrow : 1.1Vp-p typ.(Standard modulation)4 AC Scrambler control signal output. “L” : On, “H” : OffL ≤ 0.05V, H ≥ 4.6V/30kΩ load5 BC1 Scrambler code signal output 1.L ≤ 0.05V, H ≥ 4.6V/30kΩ load6 BC2 Scrambler code signal output 2.L ≤ 0.05V, H ≥ 4.6V/30kΩ load7 BC3 Scrambler code signal output 3.L ≤ 0.05V, H ≥ 4.6V/30kΩ load8 BC4 Scrambler code signal output 4.L ≤ 0.05V, H ≥ 4.6V/30kΩ load9 NC Non connection.10 NC Non connection.11 RXO Audio signal output. DC coupled. Zo ≤ 100ΩWide : 1.3Vp-p typ., Narrow : 1.1Vp-p typ.(Standard modulation)12 PTOS TX signal output. “L” : TX, “H” : Not TXL ≤ 0.05V, H ≥ 4.6V/30kΩ load13 8C 8V. (CN700 No.10 + CN701 No.13 = 100mA Max.)14 E Ground.CN703 (To Display unit A/2)1 ME MIC ground.2 MIC MIC signal input.3 E Ground.4 RESET Reset signal output.5 TXD Serial data output.Pin No. Name Description6 RXD Serial data input.7 E Ground.8 PSW Power switch control signal input.9 SB Power output after power switch (13.6V±15%).10 IRS BTL output for remote speaker output.11 ES2 BTL output for remote speaker output.CN704 (To ACC 6-pin connector)1 IRS Remote speaker switch.2 ES1 BTL output for external speaker A.3 ES2 BTL output for external speaker A.4 OS1 BTL output for external speaker B (PA).5 OS2 BTL output for external speaker B (PA).6 IGN Ignition sense input.J700 (ACC 25-pin)1 NC Non connection.2 RXD2 * Serial data input 2. RS-232C level. Input voltagerange = ± 30V max. L ≤ 0.4V, H ≥ 2.4V. Zi ≥ 5kΩ3 TXD2 * Serial data output 2. RS-232C level.L ≤ –5V, H ≥ 5V/3kΩ load. Zo ≤ 2kΩ4 AO3 Auxiliary output 3 (Programmable). Active lowopen collector (100mA max.) (Default none).L ≤ 0.3V5 DI Data signal input (Capacitor-coupled).6 MI2 External MIC input (Capacitor-coupled).7 E Ground.8 AO2 Auxiliary output 2 (Programmable). Active lowwith 10kΩ pull-up to 5V (100mA max.) (Defaultnone). L ≤ 0.3V, H ≥ 4.8V9 TXD3 ** Serial data output 3.L ≤ 0.7V, H ≥ 4.2V/25kΩ load. Zo ≤ 1kΩ10 RXD3 ** Serial data input 3.Input voltage range = +5/0 max. L ≤ 0.8V, H ≥ 4.2V.11 E Ground.12 AI4 Auxiliary input 4 (Programmable). Active lowwith 47kΩ pull-up to 5V (Default none).L ≤ 0.8V, H ≥ 2.5V13 AI2 Auxiliary input 2 (Programmable). Active lowwith 47kΩ pull-up to 5V (Default none).L ≤ 0.8V, H ≥ 2.5V

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