Kenwood TS-2000, Service Manual

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130
TS-2000/X
CN No. Pin No. Name I/O Function
11 SBPF O Control voltage for variable capacitor
of SUB RX BPF
12 8C O Common 8V
13 MBPF O Control voltage for variable capacitor
of Main RX BPF
14 URXB O 430MHz RXB approx. 8V
15 VRXB O 144MHz RXB approx. 8V
16 UATT O UHF RX attenuater, “H” active
17 VATT O VHF RX attenuater, “H” active
18 GND - GND
CN27 1 GND - GND
2 12EN3 O Enable 3 for 1.2GHz unit
3 PCK O PLL clock (1.2GHz unit)
4 PDA O PLL data (1.2GHz unit)
5 12EN1 O Enable 1 for 1.2GHz unit
6 12EN2 O Enable 2 for 1.2GHz unit
7 12UL I PLL unlock detect, “L” when 1.2GHz
PLL is unlocled
8 12THV - Reserved
9 12OP I “H” when 1.2GHz unit installed
10 AGC O AGC voltage for 1.2GHz unit
11 12RXB O 1.2GHz RXB
12 12TXB O 1.2GHz TXB
13 NC - NC
14 5C O Common 5V
15 12VSR I Reflected wave detection voltage
of 1.2GHz VSWR
16 12VSF I Forward wave detection voltage
of 1.2GHz VSWR
17 GND - GND
18 NC - NC
CN29 1 14V I Constantly 14V
2 GND - GND
3 GND - GND
4 SPG - GND for internal speaker
5 SP O Audio output for internal speaker
6 14AG I GND for audio IC
7 14AF I Power supply for audio IC
8 14S I 14V when the power switch on
9 14S I 14V when the power switch on
10 8A I 8V when the power switch on (analog)
11 8A I 8V when the power switch on (analog)
12 5A I 5V when the power switch on (analog)
13 HFTXB O HF-50MHz TXB
14 14TXB O 144MHz TXB
CN No. Pin No. Name I/O Function
15 VSF I Forward wave detection voltage
of HF-144MHz VSWR
16 VSR I Reflected wave detection voltage
of HF-144MHz VSWR
17 GND - GND
18 NC - NC
CN31 1 SP1 O Main AF output to phone jack
2 SP2 I Main AF input from phone jack
3 PHG GND for phone jack
CN32 1 SP3 O Sub AF output to phone jack
2 SP4 I Sub AF input from phone jack
3 PHG - GND for phone jack
4 NC - NC
TX-RX 1 UNIT (X57-605 B/9)
CN No. Pin No. Name I/O Function
CN800 1 DGND - GND (Digital)
2 PBKC I Buck up signal (Sub CPU)
3 PCHK I Panel connection check
4 RES I Reset signal (Sub CPU)
5 TXD0 O TX data (Main CPU)
6 RXD0 I RX data (Main CPU)
7 RTS0 O Data transmit inhibit signal (Main CPU)
8 CTS0 I Data transmit inhibit signal (Main CPU)
9 5D I 5V (Digital)
10 8A I 8V (LED)
11 NC - NC
12 NC - NC
13 NC - NC
14 PSW O Power switch output signal
15 NC - NC
16 10A I 10V (Lamp, PLL power supply)
17 GND - GND
18 GND - GND
CN801 1 DGND - GND (Digital)
2 NC - NC
3 NC - NC
4 LRES O Reset signal (Dot LCD IC)
5 NC - NC
6 LCS4 O Chip selector 4 (Serial/parallel IC)
7 LCS3 O Chip selector 3 (Dot LCD IC)
8 LCS2 O Chip selector 2 (7 seg LCD IC)
9 LCS1 O Chip selector 1 (7 seg LCD IC)
10 LDA O LCD serial data
11 LCK O LCD serial clock
TERMINAL FUNCTION