Kenwood TS-2000, Service Manual

Page: 125 / 171

126
TS-2000/X
CN No. Pin No. Name I/O Function
16 GND - GND
CN3 1 5V O 5V
2 GND - GND
3 PSW I Power switch, “L” for power on
4 INIT I “H” for CPU initialize
5 5D O Common 5V for LED
6 GND - GND
CN4 1 DGND - GND (Digital)
2 PBCK O Buck up signal (Sub CPU)
3 PCHK O Panel connection check
4 RES O Reset signal (Sub CPU)
5 TXDO I TX data (Main CPU)
6 RXDO O RX data (Main CPU)
7 RTSO I Data transmit inhibit signal (Main CPU)
8 CTSO O Data transmit inhibit signal (Main CPU)
9 5D O 5V (Digital)
10 8A O 8V (LED)
11 PRG3 -
12 PRG2 -
13 PRG1 -
14 PSW I Power switch output signal
15 5V -
16 10A O 10V (Lamp, PLL power supply)
17 GND - GND
18 GND - GND
CN5 1 NC - NC
2 GND - GND
3 THU I UHF thermal protection detection
voltage
4 GND - GND
5 SSM I Sub band S-meter input
6 SSQ I Sub band squelch input
7 SALT I Sub band auto lock tune input
8 SRBK O Sub band RF blanking signal
9 REN1 O IC2 enable
10 CLK O Serial clock
11 DATA O Serial data
12 NC - NC
13 KEY I Key down signal
14 KYS I Key jack judgement signal
15 DASH I Electronic keyer dash signal
16 DOT I Electronic keyer dot signal
17 GND - GND
18 NC - NC
CN6 1 GND - GND
2 12EN3 O Enable 3 for 1.2GHz unit
CN No. Pin No. Name I/O Function
3 12THV – Reserved
4 12UL I PLL unlock detect, “L” when 1.2GHz
PLL is unlocked
5 12EN2 O Enable 2 for 1.2GHz unit
6 12EN1 O Enable 1 for 1.2GHz unit
7 PDA O PLL data (1.2GHz unit)
8 PCK O PLL clock (1.2GHz unit)
9 CKY O CW keying, Active “H” to transmit
actual wave of all emission
10 MALT I Main auto lock tune (kind of auto
frequency control), main discriminator
DC output
11 DEN6 O DDS enable 6 (IC601)
12 DEN5 O DDS enable 5 (IC603)
13 DEN4 O DDS enable 4 (IC602)
14 IEN5 O IF enable 5 (IC15)
15 IEN4 O IF enable 4 (IC14)
16 IEN3 O IF enable 3 (IC17)
17 IEN2 O IF enable 2 (IC16)
18 IEN1 O IF enable 1 (IC5)
19 CLK O Serial clock
20 DATA O Serial data
21 ALCM I ALC meter voltage
22 VSRM I Reflected wave detection voltage
of HF-50MHz VSWR
23 VSFM I Forward wave detection voltage
of HF-50MHz VSWR
24 12RXC O 1.2GHz RX control,
Active “H” to enable 1.2GHz RX
25 12TXC O 1.2GHz TX control,
Active “H” to enable 1.2GHz TX
26 URXC O UHF RX control,
Active “H” to enable 430MHz RX
27 UTXC O UHF TX control,
Active “H” to enable 430MHz TX
28 VRXC O VHF RX control,
Active “H” to enable 144MHz RX
29 VTXC O VHF TX control,
Active “H” to enable 144MHz TX
30 HRXC O HF~50MHz RX control,
Active “H” to enable HF-50MHz RX
31 HTXC O HF~50MHz TX control,
Active “H” to enable HF-50MHz TX
32 MSQ I Main SQ signal output (detected
noise ; DC)
33 MSM I Main S-meter signal output
TERMINAL FUNCTION