Kenwood TS-990S Service Manual

Also see for SP-990: Instruction manual

Contents

TS-990S72SEMICONDUCTOR DATAPin No. Name I/O Function131 S_SDTO6 O Audio serial I/F (data) for DAC(IC385)132 SDMO-SI0 O Audio serial I/F (data) for TXMRX-DSP133 SDMI-SO0 I Audio serial I/F (data) form SRX-DSP134 S_SP-DIFO0 O S/PDIF data output for optical CN (A650)135 S_SP-DIFI0 I S/PDIF data input from optical CN (A651)136 S_SDTO5 O Audio serial I/F (data) for DAC (IC386)137 S_SDTO4 O Audio serial I/F (data) for DAC (IC391)138 VDDINT I Internal (core) supply voltage (1.2V)139 VDDEXT I External (I/O) supply voltage (3.3V)140 GND - GND141 VDDINT I Internal (core) supply voltage (1.2V)142 GND - GND143 S_SDTO3 O Audio serial I/F (data) for DAC (IC390)144 S_SDTO2 O Audio serial I/F (data) for DAC (IC388)145 S_SDTI2 I Audio serial I/F (data) form ADC (IC389)146 S_SDTO1 O Audio serial I/F (data) for DAC (IC387)147 MCLK48K O Audio serial I/F (MCLK) for DAC/ADC148 S_SDTI1 I Audio serial I/F (data) form ADC (IC392)149 MCLK96K O Audio serial I/F (MCLK) for DAC/ADC150 VDDEXT I External (I/O) supply voltage (3.3V)151 GND - GND152 VDDINT I Internal (core) supply voltage (1.2V)153 GND - GND154 VDDINT I Internal (core) supply voltage (1.2V)155 GND - GND156 VDDINT I Internal (core) supply voltage (1.2V)157 VDDINT I Internal (core) supply voltage (1.2V)158 VDDINT I Internal (core) supply voltage (1.2V)159 GND - GND160 VDDINT I Internal (core) supply voltage (1.2V)161 VDDINT I Internal (core) supply voltage (1.2V)162 VDDINT I Internal (core) supply voltage (1.2V)163 TDI I For JTAG (no use)164 nTRST I For JTAG (no use)165 TCK I For JTAG (no use)166 GND - GND167 VDDINT I Internal (core) supply voltage (1.2V)Pin No. Name I/O Function168 TMS I For JTAG (no use)169 CLK_CFG0 I Core to CLKIN raito control (GND con-nect)170 BOOT_CFG0 I Boot confi guration select (GND connect)171 CLK_CFG1 I Core to CLKIN raito control (GND con-nect)172 nEMU O For JTAG (no use)173 BOOT_CFG1 I Boot confi guration selectH: FLASH Boot / L: SPI slave boot174 TDO O For JTAG (no use)175 LRCK48K I Audio serial I/F (LRCK) from fl ipfl op176 LRCK96K O Audio serial I/F (LRCK) for ADC/DAC/SRX-DSP/fl ipfl op177 SCLK48K I Audio serial I/F (BICK) from fl ipfl op178 SCLK96K O Audio serial I/F (BICK) for ADC/DAC/SRX-DSP/fl ipfl op179 VDDEXT I External (I/O) supply voltage (3.3V)180 GND - GND181 VDDINT I Internal (core) supply voltage (1.2V)182 GND - GND183 FFCLR O Clear for fl ipfl op184 SDREQ O Communication request to DSP-subMCU185 SCTDET O CTCSS detection signal outputH: CTCSS detection186 SWST1 O SRX-DSP write status signal output187 UAR-T0RX I No connection (external pull up)188 UART-0TX O No connection189 SPIFLG3 O No connection190 RYBY I Rady/Busy signal input from flash memory191 VDDEXT I External (I/O) supply voltage (3.3V)192 GND - GND193 VDDINT I Internal (core) supply voltage (1.2V)194 GND - GND195 SPIFLG1 I No connection (external pull up)196 SDHLT O SRX-DSP check signal to DSP-sub MCU197 SDSCS I TXMRX-DSP chip selectL: Enable198 DCLK I DSP clock input from DSP-sub MCU199 DSOUT I DSP data input (SPI) from DSP-subMCU200 DSIN O DSP data output (SPI) for DSP-sub MCU201 RESET-OUT O No connection202 SDRES I SRX-DSP resetL: Reset