Kenwood TK-7150 Service Manual

Also see for TK-7150: Specifications Specifications Instruction manual Instruction manual

Contents

TK-7150161-1. Pin FunctionPin No. Name I/O Function1 I/O Go to port check modeL : Port check mode, H : User mode2 WN O Wide/Narrow H : Narrow, L : Wide3 8RC O 8R Control H : 8R on, L : 8R off4 INTx O INT Request to DSP L : INT request5 STR O VCO TX/RX H : TX VCO, L : RX VCO6 BYTE +5V7 CNVss GND8 8TC O 8T Control H : 8T on, L : 8T off9 SFT O Beat Shift H : SFT on, L : SFT off10 RESET CPU Reset11 Xout 12.288MHz12 Vss GND13 Xin 12.288MHz14 Vcc +5V15 NMI I Not Used16 IGN I Ignition SenseH : IGN. Sense off, L : IGN. Sense on17 PSI I Power Down Det L : Power down det18 LD O D/A Converter LD19 CP O PLL IC Clock20 EP O PLL IC Enable21 CONTROL O Connect Codec TX Out to speaker lineH : Connect, L : Disconnect22 DT O Common Data23 CK O Common Clock24 SOE O Shift Register 1 OE25 STB1 O Shift Register 1 Strobe26 AI4 I AUX Input No.4 H : Inactive, L : Active27 RXD2 I Head Comm (RXD)28 TXD2 O Head Comm (TXD)29 TXD1 O Acc com2 (TXD)30 RXD1 I Acc com2 (RXD)31 AI3 I AUX Input No.3 H : Inactive, L : Active32 AI2 I AUX Input No.2 H : Inactive, L : Active33 TXD0 O Acc com1 (TXD)34 RXD0 I Acc com1 (RXD)35 AI1 I AUX Input No.1 H : Inactive, L : Active36 O Not Used37 RDY I Hardware BUS Wait Control38 ALE O Cannot Use (Address Latch)Pin No. Name I/O Function39 HOLD I Cannot Use (BUS Hold)40 HLDA O Cannot Use (BUS Hold Status)41 BCLK O Cannot Use (Sys Clock Output)42 RD O Flash ROM : RD, DSP : HDS143 BHE O Cannot Use (BUS High Enable)44 WR O Flash ROM : WR, DSP : HDS245 SBC O SB Control H : SBC off, L : SBC on46 AM O Audio Mute H : SP mute, L : SP unmute47 HCS O DSP HCS48 CS0 O Flash CS49~59 A19~A9 O Cannot Use (Flash ROM Address BUS)60 Vcc +5V61 A8 O Cannot Use (Flash ROM Address BUS)62 Vss GND63~70 A7~A0 O Cannot Use (Flash ROM Address BUS)71 PTO O Scrambler TX/RX Control H : RX, L : TX72 PSW I Pow. Switch Det H : Inactive, L : Active73 Inty I INT Request from DSP L : INT request74 RS O DSP Reset H : DSP reset75 SCL O EEPROM Clock76 SDA I/O EEPROM Data77 KEY I TX Request from ANI board L : TX request78 STB2 O Shift Register 2 Strobe79~86 D7~D0 Cannot Use (Flash ROM Data BUS)87 PDET I Power Det Level88 CDET I Power Current Det Level89 TEMP1 I Power Temp1 Level90 TEMP2 I Power Temp2 Level91 ASQ I Analog Squelch Level92 RSSI I RSSI Level93 UL I Unlock Level94 Avss GND95 I Not Used96 Vref +5V97 Avcc +5V98 AUX I Emergency Channel Request from ANIboard L : Channel request99 INH I Audio Inhibit from ANI boardH : SP unmute, L : SP mute100 TCNT I Tone Control from ANI boardL : Board tone output requestSEMICONDUCTOR DATA1. CPU : 30620M8A-5H1GP (TX-RX Unit IC701)