Kenwood TK-5210G Service Manual

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TK-5210 (G)70TERMINAL FUNCTIONPinNo Name I/O Function86 SPuniv+ O BTL output + for external speaker87 RTS0 I RTS signal input88 /UDET I universal connector detect input89 RXD0 O Serial Data Output90 PFKEY O PF key interrupt signal for KMC-2591 TXD0 I Serial Data input92 RXD1 O Request to send93 CTS0 O CTS signal input and MIC switch94 /PTT O PTT signal output95 36MC I 36M Reg. control input96 RXD2 O Serial data input (VGS-1)97 TXD2 I Serial data output (VGS-1)98 /OINT I Option board interrupt signal99 GND - GND100 GND - GNDTop panel unit (X57-7650-10 B/4)PinNo Name I/O FunctionCN9021 36M - 3.1V2 S36M - 3.1V3 GND - GND4 VoL I Volume level input5 33M - 3.3V6 CH_A I Rotary switch input 17 TGL2 I Concentric switch input 28 TGL1 I Concentric switch input 19 C - GND10 CH_B I Rotary switch input 211 CH_D I Rotary switch input 412 CH_C I Rotary switch input 3CN9031 GND - GND2 CH_A O Rotary switch output 13 CH_B O Rotary switch output 24 CH_C O Rotary switch output 35 CH_D O Rotary switch output 46 31BU - 3.1V7 S31BUS - 3.1V8 33M - 3.3V9 TGL0 O Lever switch output 010 TGL1 O Concentric switch output 111 TGL2 O Concentric switch output 212 BLED - Busy LED control13 TXLED - TX LED control14 ORG O Orange key detect15 VoL O Volume level output16 KIN I Orange key detect17 GND - GND