Kenwood TS-2000, Service Manual

Page: 38 / 171

38
TS-2000/X
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Control unit (X53-391)
Pin No. Port name Pin name I/O Function
IC25 : TC74VHC573FT
19 Q0 PENA O PLL serial-parallel enable A
18 Q1 PEN1 O PLL enable 1
17 Q2 PEN2 O PLL enable 2
16 Q3 PEN3 O PLL enable 3
15 Q4 PEN4 O PLL enable 4
14 Q5 PEN5 O PLL enable 5
13 Q6 PEN6 O PLL enable 6
12 Q7 DSPW O DSP control signal
IC24 : TC74VHC573FT
19 Q0 DEN1 O DDS enable 1
18 Q1 DEN2 O DDS enable 2
17 Q2 DEN3 O DDS enable 3
16 Q3 DEN4 O DDS enable 4
15 Q4 DEN5 O DDS enable 5
14 Q5 DEN6 O DDS enable 6
13 Q6 12EN1 O 1.2G enable 1
12 Q7 12EN2 O 1.2G enable 2
IC22 : TC74VHC573FT
19 Q0 IEN1 O IF serial-parallel enable 1
18 Q1 IEN2 O IF serial-parallel enable 2
17 Q2 IEN3 O IF serial-parallel enable 3
16 Q3 IEN4 O IF DAC enable 5
15 Q4 EIN5 O IF DAC enable 6
14 Q5 DTCLK O DTMF clock
13 Q6 REN1 O RF serial-parallel enable 1
12 Q7 VCS O VS-3 chip select
IC21 : TC74VHC573FT
19 Q0 SRXC O DSP control signal
18 Q1 DSPEN1 O DSP control signal
17 Q2 DSPEN2 O DSP CODEC enable
Pin No. Port name Pin name I/O Function
16 Q3 AMU O AF mute signal
15 Q4 12EN3 O 1.2G enable 3
14 Q5 SQC O For TNC
13 Q6 ISTBY O STBY for TNC
12 Q7 RTS3 O For tNC
IC23 : TC74VHC573FT
19 Q0 HFTXC O HF TX power start instruction
18 Q1 HFRXC O HF RX power start instruction
17 Q2 VTXC O VHF TX power start instruction
16 Q3 VRXC O VHF RX power start instruction
15 Q4 UTXC O UHF TX power start instruction
14 Q5 URXC O UHF RX power start instruction
13 Q6 12TXC O 1.2G TX power start instruction
12 Q7 12RXC O 1.2G RX power start instruction
IC20 : TC74VHC573FT
2 D0 SPS I SP2 connection detection
3 D1 PKSI I PKS for TNC
4 D2 S9600 I For TNC
5 D3 PMUTE I Mute instruction from modem IC
6 D4 12OP I 1.2G unit connection detection
7 D5 CTS3 I For TNC
8 D6 STA I STA instruction from modem IC
9 D7 CON I CON instruction from modem IC
IC19 : TC74VHC573FT
2 D0 SIM0 I Type setting 0
3 D1 SIM1 I Type setting 1
4 D2 SIM2 I Type setting 2
5 D3 SIM3 I Type setting 3
6 D4 SIM4 I Type setting 4
7 D5 SIM5 I Type setting 5
8 D6 SIM6 I Type setting 6
9 D7 SIM7 I Type setting 7
IC530 : BU2099FV, Enable : DSPEN2
Pin No. Port name Pin name Function Active level Condition
6 Q0 MIC TX input (Microphone selection) H TX from microphone
7 Q1 ACC12 TX input (ACC 1200 bps) H TX 1200 bps from ACC (PKD)
8 Q2 TNC12 TX input (TNC 1200 bps) H TX 1200 bps from built-in TNC
9 Q3 DRU TX input (DRU selection) H TX from DRU
10 Q4 RX12 RX ACC outut (1200 bps) H ACC uses menu 1200 bps
11 Q5 M.REM Remote input (Main) H External trasceiver remote function (Reserved)
12 Q6 S.REM Remote input (Sub) H When the external transceiver remote function is on
13 Q7 M.TNC RX TNC selection (Main) H TNC band (Main)
14 Q8 S.TNC RX TNC selection (Sub) H TNC band (Sub)
15 Q9 MIC.REM Remote input (Microphone) H When the microphone remote function is on
16 Q10 TNC96 TX input (TNC 9600 bps) H 9600 bps TX data from built-in TNC.
17 Q11 NOT96 TX data speed (Other than 9600 bps) H Other than 9600 bps is selected to transmit
SEMICONDUCTOR DATA