Kenwood Ts-2000x All Mode Multi-band Transceiver Service Manual

							31
TS-2000/X
Ref. No. Use / Function Operation / Condition
Q415 Buffer amplifier For HF LO2 (58.390~65.230MHz)
Q416 Buffer amplifier PLL input buffer
(322.950~465.050MHz (K)
371.475~409.050MHz (E))
Q417 Amplifier For VHF/UHF LO2 (31.2MHz)
Q418,419Ripple filter 8V
Q420 Buffer amplifier 15.6MHz
Q421 AmplifierFor HF LO2 output (58.390~65.230MHz)
Q423~425Buffer amplifier DDS input buffer (31.2MHz)
Q426 Switching For Q427
Q427 HF REF VCO 31.130~32.834MHz
Q428 AmplifierFor HF REF VCO (31.130~32.834MHz)
Q429 Buffer amplifier For VHF DDS
(9.014~9.322MHz (K)
9.112~9.210MHz (E))
Q430 Buffer amplifier For UHF DDS
(8.328~8.475MHz (K)
8.344~8.469MHz (E))
Q431 UHF VCO 378.105~418.205MHz (K)
388.105~398.205MHz (E)
Q432 Buffer amplifier For HF DDS (7.792~8.209MHz)
Q433 VHF VCO 183.795~193.895MHz (K)
185.795~187.895MHz (E)
Q434 Switching UHF VCO changeover
Q435 Amplifier For UHF VCO
(378.105~418.205MHz (K)
388.105~398.205MHz (E))
Q436 Ripple filter 8V
Q437 Amplifier For VHF VCO
(183.795~193.895MHz (K)
185.795~187.895MHz (E))
Q438 Ripple filter 8V
Q489 Switching VHF REF VCO changeover
Q441 VHF REF VCO 36.058~37.288MHz
Q444 AmplifierFor VHF REF VCO (36.058~37.288MHz)
Q446 Ripple filter 8V
Q447 Active LPF Comparison 975~1375kHz
Q448,449Active LPF Comparison 520~529kHz
Q450 Active LPF Comparison 975~1375kHz
Q451 Active LPF Comparison 520~529kHz
Q452 Active LPF Comparison 975~1375kHz
Q453 Switching HF VCO1 changeover
Q454 switching HF VCO3 changeover
Q455 Ripple filter 8V
Q457 Amplifier For PLL input
(183.795~193.895MHz (K)
185.795~187.895MHz (E))
Q458 Ripple filter 8V
Q459 HFLO1, VCO1 75.855~86.085MHz
Q460 HFLO1, VCO3 112.825~129.085MHz
Ref. No. Use / Function Operation / Condition
Q461 Amplifier For PLL input
(378.105~418.205MHz (K)
388.105~398.205MHz (E))
Q462 Amplifier For HF VCO (75.855~129.085MHz)
Q463 Switching HF VCO2 changeover
Q464 HFLO1, VCO2 92.825~106.085MHz
Q469~472Switching VHF/UHF LO1 output changeover
Q473 Ripple filter 8V
Q474 Switching VHF/UHF LO1 output changeover
Q476 Amplifier For HF LO1 output
IC2 Serial/parallel
Power, AM FM wide/narrow control
signal conversion
IC3Wide-band amplifierVHF/UHF TX amplifier
IC4 Mixer Main RX 1st mixer
IC5 Mixer Sub RX 1st mixer
IC6 Divider Sub VHF local oscillator 1/2 divider
IC7 FM IC Sub band FM detection
IC8 Multiplexer Sub band FM/AM audio output
changeover
IC9 OP amplifier Sub band FM demodulated signal
amplification
IC400 AVR 10V→8V
IC401 PLL For HF LO2 VCO
IC402 PLL For sub VCO
IC403 AVR 8V→5V
IC404 Serial/parelle VCO changeover signal output
conversion
IC405 Wide-band For sub LO1 output
amplifier (322.950~ 465.050MHz (K)
371.475~405.050MHz (E))
IC406 DDS For VHF REF VCO
(9.014~9.322MHz (K)
9.112~9.210MHz (E))
IC407 DDS For UHF VCO
(8.328~8.476MHz (K)
8.344~8.469MHz (E))
IC408 DDSFor HF REF VCO (7.792~8.209MHz)
IC409 PLL For HF REF VCO
IC410 PLL For VHF VCO
IC411 PLL For VHF REF VCO
IC412 PLL For UHF VCO
IC414 PLL For HF VCO
IC415 Wide-band For VHF/UHF RX LO1 output
amplifier (183.895~418.105MHz (K)
185.895~398.105MHz (E))
IC416 Wide-band For VHF/UHF TX LO1 output
amplifier (183.795~418.205MHz (K)
185.795~398.205MHz (E))
D6 Switching On in UHF TX mode
D7 Switching On in VHF TX mode
DESCRIPTION OF COMPONENTS 
						

							32
TS-2000/X
Ref. No. Use / Function Operation / Condition
D9 SwitchingOn when UHF RX preamplifier is on
D10 SwitchingOn when VHF RX preamplifier is on
D11 SwitchingOn when UHF RX preamplifier is off
D12 Switching On when UHF RX ATT is on
D13 SwitchingOn when VHF RX preamplifier is off
D14 Switching On when VHF RX ATT is on
D15 SwitchingOn when VHF RX preamplifier is off
D16 Switching On when VHF RX ATT is off
D17 SwitchingOn when UHF RX preamplifier is off
D18 Switching On when UHF RX ATT is off
D19 Switching On in UHF TX mode
D20 SwitchingOn when UHF RX preamplifier is on
D21 Switching On in VHF TX mode
D22 SwitchingOn when VHF RX preamplifier is on
D23 Switching On when UHF is selected in the
main band
D24 Switching On when VHF is selected in the
main band
D30Variable capacitorVHF main RX BPF tuning
D31Variable capacitorUHF main RX BPF tuning
D32Variable capacitorVHF sub RX BPF tuning
D33Variable capacitorUHF TX BPF tuning
D34Variable capacitorVHF main RX BPF tuning
D36Variable capacitorUHF main RX BPF tuning
D37Variable capacitorVHF sub RX BPF tuning
D39Variable capacitorVHF main RX BPF tuning
D40Variable capacitorVHF sub RX BPF tuning
D41Variable capacitorVHF main RX BPF tuning
D42Variable capacitorUHF TX BPF tuning
D43Variable capacitorUHF main RX BPF tuning
D46 Switching On in VHF sub RX
D47Variable capacitorUHF TX BPF tuning
D48 Switching On when VHF is selected in the
main band
D49 Switching On when UHF is selected in the
main band
D51Variable capacitorUHF TX BPF tuning
D52 Switching VHF/UHF TX BPF selection
D53,56 SwitchingVHF/UHF sub local oscillator changeover
D54 Diode mixer VHF/UHF TX mixer
D57 Switching Wide/narrow switching
D58 AM detector AM detection
D59 Switching Wide/narrow switching
D63~66 Reverse current Paddle key control line
prevention
D68 Reverse current VHF/UHF TX power supply
prevention
D69 Reverse current UHF main RX power supply
prevention
D71 Reverse current UHF main RX power supply
prevention
Ref. No. Use / Function Operation / Condition
D73 Reverse current Produce VURXB by VRXB and
prevention URXB
D74 Reverse current Produce R14 by R20S and R14S
prevention
D74 Reverse current UHF RX power supply
prevention
D76 Reverse current UHF sub RX power supply
prevention
D77 Limiter VHF large input prevention
D78 Limiter UHF large input prevention
D79,80Variable capacitorVHF sub RX BPF tuning
D81 Switching UHF RX signal line
D82 Switching RX power supply
D83 RectifierSquelch control voltage noise rectification
D84~86Variable capacitorVHF main RX BPF tuning
D87Variable capacitorVHF sub RX BPF tuning
D88Variable capacitorVHF main RX BPF tuning
D89 Constant voltage AF amplifier power supply
D90,91 Switching UHF sub RX signal line
D92~94 Switching UHF RX signal line
D95 Switching Sub RX signal line
D96 Switching VHF sub RX signal line
D97 Switching RX power supply
D100 Variable capacitor VHF sub RX BPF tuning
D98,99 Reverse current D95 control line
prevention
D101 Switching VHF sub RX signal line
D400 Reverse current
Unlock signal detection (HF LO2 VCO)
prevention
D401Variable capacitorSub VCO1
D402Variable capacitorSub VCO2
D403Variable capacitorHF LO2 VCO
D404 Switching Sub VCO1 oscillation frequency
changeover
D405 Switching Sub VCO2 oscillation frequency
changeover
D406Variable capacitorHF LO2 VCO
D407 Reverse current Unlock signal detection (Sub VCO)
prevention
D408Variable capacitorHF REF VCO
D409,410Variable capacitorUHF VCO
D411,412Variable capacitorVHF VCO
D413Variable capacitorVHF REF VCO
D416Variable capacitorHFLO1, VCO1
D417Variable capacitorHFLO1, VCO3
D418 Switching HFLO1, VCO1 output
D419 Switching HFLO1, VCO2 output
D420Variable capacitorHFLO1, VCO2
D421 Switching HFLO1, VCO2 output
D422 Reverse current Unlock signal detection (VHF VCO)
prevention
DESCRIPTION OF COMPONENTS 
						

							33
TS-2000/X
Ref. No. Use / Function Operation / Condition
D423 Reverse current Unlock signal detection (UHF VCO)
prevention
D426 Switching On in main VHF RX mode
D427 Switching On in VHF TX mode
D428 Switching On in main UHF RX mode
D429 Switching On in UHF TX mode
D430 Switching On in main VHF RX mode
D431 Switching On VHF TX mode
D432 Switching On in main UHF RX mode
D433 Switching On in UHF TX mode
D434,441Switching On in main VHF RX mode
D435,442Switching On in main UHF RX mode
D436,443Switching On in VHF TX mode
D437,444Switching On in UHF TX mode
D438 Reverse current Unlock signal detection (HF VCO)
prevention
D439,440Switching Filter changeover, on when 0.03~
16.99MHz
D445~447Reverse currentHF LO2 is selected when HF band mode
prevention
Ref. No. Use / Function Operation / Condition
Q20 High-frequency Amplifies 1104~1165MHz local
amplifier oscillation signal
Q301 VCO FET for oscillation
Q302 High-frequency VCO oscillation buffer amplifier
amplifier
Q303 RX IF amplifier Amplifies the 10.695MHz IF signal
Q304 TX IF amplifier Amplifies the 10.595MHz IF signal
Q305~307LPF PLL loop LPF
Q310,311Amplifier Amplifies 31.2MHz signal
Q312 PLL reference Amplifies PLL reference signal
signal amplifier
Q313,314Mixer for PLL Input : 31.2MHz, 8.323~8.488MHz
reference signal Output : 39.523~39.688MHz
Q315 Switch RX signal mute
IC1 TX RF amplifier
IC2Drive power moduleAmplifies to approximately 1W
IC3Final power moduleAmplifies to approximately 10W
IC4 DDS
Produces an approximately 8.4MHz
signal from the 31.2MHz reference signal
IC5 PLL VCO input : 552.253~582.303MHz
Reference input : 39.523~39.688MHz
D1 TX mixer Converts 135.395MHz signal to
1240~1300MHz
D2 Q5 base voltage
A voltage more than that stipulated
stabilization for Q5 base is not to be applied
D3 Forward wave
detection
D4 Reflected wave
detection
D5~7TX/RX changeoverOn when TX
D8 Local signal
Supplies a 124.8MHz signal to Q1 and
changeoverQ2 during TX and to Q7 and Q8 during RX
D9AGC starting controlSpeeds the AGC start
D10 Local signal Goes ON during TX and supplies a
changeover 1104~1165MHz signal to D1
D11 Local signal Goes ON during RX and supplies a
changeover 1104~1165 MHz signal to Q10
D12 Power supply
Supply the power to the local oscillator
unit from 12RXB and 12TXB
D301 VCO Variable capacitance diode for VCO
oscillation
D302 Zener diode A voltage more than that stipulated
for Q12 is not to be applied
D303TX/RX changeoverOn when TX
D304 Switch PLL unlock detection
D305 VCO Variable capacitance diode for VCO
oscillation
DESCRIPTION OF COMPONENTS
TX-RX 3 UNIT (X57-6070-00)
Ref. No. Use / Function Operation / Condition
Q1,2 TX mixer Input : 10.595MHz, 124.8MHz
Output : 135.395MHz
Q3 TX IF amplifier Amplifies 135.395MHz TX IF
signal
Q4 Power switch Supplies 5V to IC1 during TX
Q5 TX RF amplifier
Amplifies 1240~1300MHz TX RF
signal
Q7,8 RX mixer Input : 135.495MHz, 124.8MHz
Output : 10.695MHz
Q9 RX AGC amplifier
Q10 RX mixer
Input : 1104~1165MHz, 1240~1300MHz
Output : 135.495MHz
Q11,12 RX RF amplifier Amplifies 1240~1300MHz RX RF signal
Q13 Reference signal Amplifies IC4 reference signal
amplifier (31.2MHz)
Q14 Quadruple Input : 31.2MHz
Output : 124.8MHz
Q15 local oscillation Amplifies local oscillation signal
signal amplifier (124.8MHz)
Q16 Amplifier Amplifies 8.323~8.488MHz signal
Q17 Power filterSmooths power for VCO and loop filter
Q19 Double Output : 1104~1165MHz 
						

							34
TS-2000/X
Main CPU : 64F2633xxxx (Control unit IC8)

Pin function
No. Name I/O Function
1 MD1 I Operation mode setting pin 1.
Connect to Vcc.
2 MD2 I Operation mode setting pin 2.
Connect to Vcc.
3,4 NC –
5~8HA0~HA3O Address bus.
9 Vss – GND.
10 HA4 O Address bus.
11 Vcc I 3.3V.
12~14HA5~HA7O Address bus.
15 Vss – GND.
16 ADC1 O Analog switch control signal.
17 PVcc I 5V.
18 ADC2 O Analog switch control signal.
19 PSC O Power relay control.
20 DASH I Electronic key dash signal.
21 DOT I Electronic key dot signal.
22 STSC O RS-232 IC start instruction.
23 CKY OTransmission power output specification.
24 CTS2 I UART operation instruction input from
personal computer control.
25 RTS2 O UART operation instruction output to
personal computer control.
26 TXD2 O Data output to PC/IF.
27 RXD2 I Data input from PC/IF.
28 RES O Peripheral equipment reset input.
29 Vss – GND.
30 BEEP O Beep pattern output to DSP.
31 PCK O PLL unit common clock output.
32 PDA O PLL unit common data output.
33 DATA O Common data output.
34 PSW I Power switch interrupt.
35,36 NC –
37 CLOCK O Common clock output.
38 MRBK O Main RBK output.
39 SRBK O Sub RBK output.
40 MABK O Main ABK output.
41 SABK O Sub ABK output.
No. Name I/O Function
42 DRES O DSP reset output.
43 ULK I Main/sub common unlock signal.
44 12ULK I 1.2GHz band unlock signal.
45 DREN O DRU-3 enable.
46 ESCK O EEPROM clock output.
47 ESI O EEPROM data output.
48 Vss – GND.
49 HD0 O Data bus.
50 PVcc I 5V.
51~57HD1~HD7O Data bus.
58 TXD0 O Data output to main unit panel.
59 RXD0 I Data input from main unit panel.
60 PVcc I 5V. Power supply pin for pin 52~61.
61 START I Interrupt for returning from sleep mode.
(PC/mobile head)
62 Vss – GND.
63 TXD1 O Data output to mobile head.
64 RXD1 I Data input from mobile head.
65 BOVR I Over voltage detection interrupt.
66 TTO O AT-300 control signal.
67,68 NC –
69 TSO O AT-300 control signal.
70 TTI I AT-300 control signal.
71 AMD I Amplitude comparison detection inst-
ruction input.
72 CSD2 O DSP control chip select 2
73 CSD1 O DSP control chip select 1.
74 TSI I AT-300 control signal.
75 NC O
76 PLLVcc I Internal PLL oscillator power 3.3V.
77 PLLCAP I
78 PLLVss – Internal PLL oscillator GND.
79 RESET I Hard reset input.
80 NMI I Normally H.
81 STBY I Hardware standby pin. Normally : H
82 FWE I Flash light enable.
Normally : L, During writing : H
83 XTAL I Crystal oscillator 11.0592MHz.
SEMICONDUCTOR DATA 
						

							35
TS-2000/X
No. Name I/O Function
84 Vcc I 3.3V.
85 EXTAL I Crystal oscillator 11.0592MHz.
86 Vss – GND.
87,88 NC I
89 PVcc I 3.3V.
90 PHD I Phase comparison detection instruction
input.
91 Vss – GND.
92 NC O
93 HRD O External address space lead pin.
Normally : H
94 HWR O External space write strobe (D15~D8).
95 BACKUP I Voltage reduction interrupt.
96 WAIT I Bus cycle wait state request.
97 FEN2 O Final serial-parallel enable 2 (AT).
98 FEN1 O Final serial-parallel enable 1 (LPF).
99,100 NC –
101 Avcc I 5V.
102 VREF I 5V.
103 MSM I Main SM voltage input.
104 SSM I Sub SM voltage input.
105 AXC I SW (VSF/MALT).
106 AYC I SW (VSR/SALT).
107 AZC I SW (MSQ/SMQ).
SEMICONDUCTOR DATA
No. Name I/O Function
108 BXC I SW (MPU/MDN/ALC/Reserve).
109 BYC I SW (THHF/THU/TH12/TEST).
110 PCHECK IPanel CPU connection check input signal.
111 DTDT I DTMF decoder data input.
112 NAR IVS-3 serial data input permission judgment.
113 EOM I DRU-3 message end judgment.
114 KYS I Key jack connection judgment.
115 CTS0 I UART operation instruction input from
main unit panel.
116 KEY I Key down instruction.
117 PKSA I Packet transmission instruction input.
118 SS I PTT transmission instruction input.
119 AVss – GND.
120 LICS O Input latch control chip select.
121 LOCS O Output latch control chip select.
122 DTSTD I DTMF decoder analysis end signal.
123 EDA I EEPROM data input.
124 EEN O EEPROM enable.
125 RST0 O UART operation instruction output to
main unit panel.
126 RXD3 I Data input from TNC.
127 TXD3 O Data output to TNC.
128 MD0 I Operation mode setting pin 0.
Connect to Vss. 
						

							36
TS-2000/X
No. Name I/O Function
47 STX O Sub TX LED control signal.
48 MRX O Main RX LED control signal.
49 MTX O Main TX LED control signal.
50 FUNC O FUNC LED control signal.
51 LINH O LCD segment display off control output.
52 LMO O LCD driver control output.
53 LCK O Common clock output.
54 LDA O Common data output.
55 LCS1 OLDC (segment) driver 1 chip select output.
56 LCS2 OLCD (segment) driver 2 chip select output.
57 LCS3 O LCD (dot) driver chip select output.
58 LCS4 O Serial-parallel IC chip select output.
59 LCS5 O Reserve.
60 Vcc – Vcc.
61 LRES – LCD driver reset control signal.
62 Vss – Vss.
63~65 – – Pull up to Vcc.
66~70 S0~S4 O Key scan output bit 0~4
71 PBKC I Backup processing start signal.
72 KC I Key input C.
73 KB I Key input B.
74 KA I Key input A.
75,76 – – Pull up to Vcc.
77~86 K9~K0 I Key input 9~0.
87 SUBS I Sub on/off changover.
88 MAF I Main AF.
89 MSQL I Main SQL.
90 CWBC I CW BC.
91 MRF I Main RF.
92 SAF I Sub AF.
93 SSQL I Sub SQL.
94 AVss – Vss connection.
95 – – Pull up to Vcc.
96 VREF – ADC reference voltage. Vcc connection.
97 AVcc – ADC circuit power. Vcc connection.
98~100– – Pull up to Vcc.
SEMICONDUCTOR DATA

Pin function
No. Name I/O Function
1,2 KEY O Key illumination LED control signal.
3 – – Pull up to Vcc.
4 LSUB O Sub LED control signal.
5 MULTI O Multi LED control signal.
6 – – Vss connection.
7 – – Pull down to Vss.
8,9 – – Pull up to Vcc.
10 RES I Reset.
11 XOUT O System clock.
12 Vss – Vss.
13 XIN I System clock.
14 Vcc – Vcc.
15 – – Pull up to Vcc.
16 MUL1 I Multi/CH encoder interrupt port.
17 LOW1 I Low encoder interrupt port.
18 HI1 I High encoder interrupt port.
19 MAA I Main encoder A.
20 MAB I Main encoder B.
21 RITA I RIT encoder A.
22 RITB I RIT encoder B.
23 MUL2 I Multi/CH encoder data input.
24 LOW2 I Low encoder data input.
25 HI2 I High encoder data input.
26~28 – – Pull up to Vcc.
29 CON O CON LED control signal.
30 STA O STA LED control signal.
31 9.6K O 9.6K KED control signal.
32 – – Pull down to Vss.
33 TXD0 OUART data transmission port to main CPU.
34 RXD0 IUART data reception port from main CPU.
35 RTS0 O RTS output to main CPU.
36 CTS0 I RTS input from main CPU.
37~40 – – Pull down to Vss.
41~44 – – Pull up to Vcc.
45 DIM O LED dimmer control signal.
46 SRX O Sub RX LED control signal.
Panel CPU : 30624FGAGxxxxx (TX-RX 1 unit IC801) 
						

							37
TS-2000/X
Extended I/O Port

Final unit (X45-360)
Pin No. Port name Pin name Function Active level Condition
IC205 : BU2099FV, Enable : FEN1
6 Q0 FAN1 Low & High speed FAN1 H K
7 Q1 FAN2 High speed FAN2 H K
8 Q2 ANT2 HF ANT2 switching relay L (H : ANT1) : K
9 Q3 ATSIn/Through switching relayL (H : Through) : K
10 Q4 50RL 50M LPF relay L 30.0 ≤ f ≤ 60.0 (MHz)
11 Q5 28RL 24/28M LPF relay L 21.50 ≤ f < 30.0 (MHz)
12 Q6 21RL 18/21M LPF relay L 14.50 ≤ f < 21.50 (MHz)
13 Q7 14RL (10/) 14M LPF relay L 7.50 ≤ f < 14.50 (MHz) : K 10.50 ≤ f < 14.50 (MHz) : E
14 Q8 10RL (5 or 10M) LPF relay L 4.70 ≤ f < 5.50 (MHz) : K 7.50 ≤ f < 10.50 (MHz) : E
15 Q9 7RL 7M LPF relay L 5.50 ≤ f < 7.50 (MHz) : K 4.70 ≤ f < 7.50 (MHz) : E
16 Q10 4RL 3.5M LPF relay L 2.50 ≤ f < 4.70 (MHz)
17 Q11 2RL 1.8M LPF relay L f < 2.50 (MHz)
IC803 : UPD6345GS, Enable : FEN2
12 Q1 L (1) 50M coil L 30.0 ≤ f ≤ 60.0 (MHz)
11 Q2 L (2) 28M coil L 25.50 ≤ f < 30.0 (MHz)
10 Q3 L (3) 24.9M coil L 21.50 ≤ f < 25.50 (MHz)
9 Q4 L (4) 21M coil L 14.50 ≤ f < 21.50 (MHz)
8 Q5 L (5) 14M coil L 10.50 ≤ f < 14.50 (MHz)
7 Q6 L (6) 10M coil L 7.50 ≤ f < 10.50 (MHz)
6 Q7 L (7) 7M coil L 4.70 ≤ f < 7.50 (MHz)
5 Q8 L (8) 3.5M coil L 2.50 ≤ f < 4.70 (MHz)
IC801 : UPD6345GS
12 Q1 CI (1) 2.5p capacitor switching L Phase error correction C1 On : Active, Off : Inactive
11 Q2 CI (2) 5p capacitor switching L Phase error correction C2 On : Active, Off : Inactive
10 Q3 CI (3) 10p capacitor switching L Phase error correction C3 On : Active, Off : Inactive
9 Q4 CI (4) 18p capacitor switching L Phase error correction C4 On : Active, Off : Inactive
8 Q5 CI (5) 39p capacitor switching L Phase error correction C5 On : Active, Off : Inactive
7 Q6 CI (6) 75p capacitor switching L Phase error correction C6 On : Active, Off : Inactive
6 Q7 CI (7) 150p capacitor switching L Phase error correction C7 On : Active, Off : Inactive
5 Q8 CI (8) 300p capacitor switching L Phase error correction C8 On : Active, Off : Inactive
IC802 : UPD6345GS
12 Q1 CO (1) 2.5p capacitor switching L Amplitude error correction C1 On : Active, Off : Inactive
11 Q2 CO (2) 5p capacitor switching L Amplitude error correction C2 On : Active, Off : Inactive
10 Q3 CO (3) 10p capacitor switching L Amplitude error correction C3 On : Active, Off : Inactive
9 Q4 CO (4) 18p capacitor switching L Amplitude error correction C4 On : Active, Off : Inactive
8 Q5 CO (5) 39p capacitor switching L Amplitude error correction C5 On : Active, Off : Inactive
7 Q6 CO (6) 75p capacitor switching L Amplitude error correction C6 On : Active, Off : Inactive
6 Q7 CO (7) 150p capacitor switching L Amplitude error correction C7 On : Active, Off : Inactive
5 Q8 CO (8) 300p capacitor switching L Amplitude error correction C8 On : Active, Off : Inactive
SEMICONDUCTOR DATA 
						

							38
TS-2000/X

Control unit (X53-391)
Pin No.Port namePin 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 namePin 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 OHF TX power start instruction
18 Q1 HFRXC OHF RX power start instruction
17 Q2 VTXC OVHF TX power start instruction
16 Q3 VRXC OVHF RX power start instruction
15 Q4 UTXC OUHF TX power start instruction
14 Q5 URXC OUHF RX power start instruction
13 Q6 12TXC O1.2G TX power start instruction
12 Q7 12RXC O1.2G 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 IMute instruction from modem IC
6 D4 12OP I1.2G unit connection detection
7 D5 CTS3 I For TNC
8 D6 STA ISTA instruction from modem IC
9 D7 CON ICON 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 namePin name Function Active level Condition
6 Q0 MICTX 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 
						

							39
TS-2000/X

TX-RX 1 unit (X57-605)
Pin No.Port namePin name Function Active level Condition
IC5 : BU2099FV, Enable : IEN1
6 Q0 BPF12 BPF selection L 49.0MHz ≤ f < 54.0MHz
7 Q1 BPF11 BPF selection L 30MHz ≤ f < 49MHz, 54MHz ≤ f ≤ 60MHz
8 Q2 BPF10 BPF selection L 21.5MHz ≤ f < 30.0MHz
9 Q3 BPF9 BPF selection L 14.5MHz ≤ f < 21.5MHz
10 Q4 BPF8 BPF selection L 13.9MHz ≤ f < 14.5MHz
11 Q5 BPF7 BPF selection L 10.5MHz ≤ f < 13.9MHz
12 Q6 BPF6 BPF selection L 7.50MHz ≤ f < 10.5MHz
13 Q7 BPF5 BPF selection L 6.90MHz ≤ f < 7.50MHz
14 Q8 BPF4 BPF selection L 4.10MHz ≤ f < 6.90MHz
15 Q9 BPF3 BPF selection L 2.50MHz ≤ f < 4.10MHz
16 Q10 BPF2 BPF selection L 1.705MHz ≤ f < 2.50MHz
17 Q11 BPF1 BPF selection L f ≤ 1.705MHz
IC16 : BU2099FV, Enable : IEN2
6 Q0 FIL1 10.695M filter 12k L 10.695M filter 12k
7 Q1 FIL2 10.695M filter 2.7k L 10.695M filter 2.7k
8 Q2 FIL3 10.695M filter through L 10.695M filter through
9 Q3 TCS AT tune switch L Auto tune
10 Q4 455FIL1 455k filter 15k L 455k filter 15k
11 Q5 455FIL2 455k filter 9k L 455k filter 9k
12 Q6 455FIL3 455k filter 2.7k L 455k filter 2.7k
13 Q7 HFRGC HF RX gain adjustment H 21.5MHz ≤ f < 30.0MHz & Pre-amplifier : On
14 Q8 50RGC 50M RX gain adjustment H 30.0MHz ≤ f ≤ 60MHz & Pre-amplifier : On
15 Q9 NC
16 Q10 MSQS Main SQL H/L BUSY : H, Not BUSY : L
17 Q11 SSQS Sub SQL H/L BUSY : H, Not BUSY : L
IC17 : BU2099FV, Enable : IEN3
6 Q0 UATT UHF ATT switch H UHF & ATT on
7 Q1 VATT VHF ATT switch H VHF &  ATT on
8 Q2 ATT HF ATT switch H HF & ATT on, or V/U/1.2G
9 Q3 RXANT RX ANT switch L f ≤ 30.0MHz & EXT. RX. ANT. on
10 Q4 PREAMP Pre-amplifier on/off H HF & Pre-amplifier on
11 Q5 MCFSW MCF switch H/L 75M : H, 69M : L
12 Q6 AMC AM switch H 50ms after AM TX is initiated
13 Q7 PKDSW PKD TX switch H When 9600 bps data is transmitted from ACC (PKD)
14 Q8 NFMT* Not FM TX H When the transmission mode is other than FM
15 Q9 NFMR* Not FM RX H When the reception mode is other than FM
16 Q10 RLSW TX-B output switch H f ≤ 30.0MHz or 50MHz Linear ON
17 Q11 LINEAR Linear switch H Linear ON
NFMT*
TX RX
FM L L
AM, CW H L
SSB, FSK H L
NFMR*
TX RX
FM L L
AM, CW L H
SSB, FSK L H
SEMICONDUCTOR DATA 
						

							40
TS-2000/X

TX-RX 2 unit (X57-606)
Pin No.Port namePin name FunctionActive levelCondition
IC2 : BU2099FV
6 Q0 AMSW AM power switch L When the sub AM is selected for receiving
7 Q1 W/NSW Wide/Narrow selection switch LWhen the sub FM narrow is selected for receiving
8 Q2 R43S Front end selection switch for sub UHF L When the sub UHF is selected for receiving
9 Q3 R14S SUB VHF power switch L When the sub VHF is selected for receiving
10 Q4 8RS1 SLO1 amplifier switch L When the sub VHF is selected for receiving
11 Q5 8RS1/2 SLO1 prescaler (1/2) switch L When the sub UHF is selected for receiving
12 Q6 UPRE UHF pre-amplifier switch LWhen the UHF receiver and pre-amplifier is off
13 Q7 VPRE VHF pre-amplifier switch LWhen the VHF receiver and pre-amplifier is off
14 Q8 IMS VHF pre-amplifier through switch L
15 Q9 R50S Front end selection switch for sub UHF L When the sub UHF is selected for receiving
16 Q10 NC
17 Q11 R20S Front end selection switch for sub VHF L When the sub VHF is selected for receiving
IC404 : BU4094BCFV
4 Q1 HF VCO1 VCO1 selection for HF band H When the frequency range of
0.03~17.0MHz is selected
5 Q2 HF VCO2 VCO2 selection for HF band H When the frequency range of
17.0~37.0MHz is selected
6 Q3 HF VCO3 VCO3 selection for HF band H When the frequency range of
37.0~60.0MHz is selected
7 Q4 USW VCO selection for VHF band H When the main band VHF is selected
14 Q5 VSW VCO selection for UHF band H When the main band UHF is selected
13 Q6 BSW2 VCO selection for sub VHF band H When the sub band RX VHF is selected
12 Q7 BSW1 VCO selection for sub UHF band H When the sub band RX UHF is selected
11 Q8 VPRE
VCO oscillator range selection for sub bandH/L When the sub band is selected for receiving
SEMICONDUCTOR DATA
Conversion Between 5V and 3V :
TC74LVX4245FS (Control unit IC9~11)

Block diagram
G3
3EN1 (BA)
3EN2 (AB)
1
2
OE
DIR
A1
A2
A3
A4
A5
A6
A7
A8B1
B2
B3
B4
B5
B6
B7
B8 (22)
(21)
(20)
(19)
(18)
(17)
(16)
(15)
(14) (2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
Logic
Level
Converter
Same as above block
DIR
OE
A1
A8
B1
B8 VCCA VCCB

Logic symbol