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...

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...

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...

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...

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...

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...

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...

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...

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...

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...