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

122
TS-2000/X
ADJUSTMENT
J6
PANEL
J5
D-SUB
L68
L67
L69L66 L65 CN9
(TP5)
L64
L63L62
TP2
L81
L82 TPNB L87S1
L613
L83 L614
TP1 VR4L71
L105 L103 L102
L54VR1 CN6
(TP4) J3
SP2J2
SP1J7
EXT. CONT
CN5
VR3
VR2
L100L99
L98
L96
TP3
L108
L109
TC3J8
ACC2
L25 L34
L24 L23 L33 L32 L46 L45L44 J4
REMOTE
J1
EXT RX
ANT
TC1
TC2
CN14
HFTX
TX-RX 1 UNIT
(X57-605) (A/9)
FRONT
Adjustment Points (Lower Side)
TX-RX 1 UNIT (A/9)
L23~25,32~34,44~46 : HF BPF
L54,62~64,68 : MCF (69.085MHz)
L65~67 : MCF (72.925MHz)
L69,71,87,613,614 : HF...

123
TS-2000/X
FRONT
L399L338
TC301 VR2VR1
L340
L341
L342TP2
CN16
L42L43
L45IC2
CN11
CN13L321
L9L5
L320
CN14CN15
L3
L2
L25
L22
L24L26 L27
L28
L29
CN7CN12CN8 IC3
CN4
12ANT
CN14
GND CN5
12TIF
GND
12RIF
GND
TX-RX 3 UNIT
(X57-607)
1200MHz Adjustment Points
TX-RX 3 UNIT
L2,3,9 : TX IF gain
L5,320,321 : MCF (135.395MHz)
L22,24,25,29 : RX IF gain
L26~28 : MCF (135.495MHz)
L42,43,45 : LO level (Local osc)
L338~342,VR1 : PLL reference level
VR2 : 
PLL reference spuriousTC301 : VCO control voltage
ADJUSTMENT 

124
TS-2000/X
TERMINAL FUNCTION
FINAL UNIT (X45-360 A/2)
CN No.Pin No.Name I/O Function
CN5 1 14S O Switched 14V for external antenna
tuner option
2 AGND - Analog GND
3 TT I/O External antenna tuner (AT-300)
in/through control
4 TS I/O External antenna tuner (AT-300)
tuning start control
5 GND - GND
CN9 1 14V O Constantly 14V
2 GND - GND
3 GND - GND
4 SPG - GND for internal speaker
5 SP I Audio output for internal speaker
6 14AG O GND for audio IC
7 14AF O Power supply for audio IC
8 14S O 14V when the...

125
TS-2000/X
CN No.Pin No.Name I/O Function
8 ANT O Antenna 1/2 changeover relay control.
“H” for antenna 2
9 GND - GND
10 NC - NC
CN27 1 14S O 14V when the power switch on
2 GND - GND
3 GND - GND
FINAL UNIT (X45-360 B/2)
CN No.Pin No.Name I/O Function
CN902 1 UTHV O UHF thermal protection detection
voltage
2 43VSF O UHF forward wave detection
voltage
3 UTXB I UHF TX 8V
4 14S I 14V when the power switch on
5 14S I 14V when the power switch on
6 43VSR OUHF reflected wave detection voltage
7 GND - GND
8...

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 OData transmit inhibit signal (Main CPU)
9 5D O 5V (Digital)
10 8A O 8V (LED)
11...

127
TS-2000/X
CN No.Pin No.Name I/O Function
34 MRBK O Main receive blanking control.
“H” for blanking
35 AGCR O AGC reference voltage
36 BATT I Back up battery input for MODEM
CN7 1 10A O 10V (PLL power supply)
2 PDA O PLL serial data
3 PCK O PLL serial clock
4 DEN3 O DDS IC (IC407) enable
5 DEN2 O DDS IC (IC406) enable
6 DEN1 O DDS IC (IC408) enable
7 PEN6 O PLL IC (IC402) enable
8 PEN5 O PLL IC (IC401) enable
9 PEN4 O PLL IC (IC412) enable
10 PEN3 O PLL IC (IC410) enable
11 PEN2 O PLL IC (IC414)...

128
TS-2000/X
CN No.Pin No.Name I/O Function
CN506 1 MOD O Modulation output
2 GND - GND
3 MDET I Main band detection input
4 GND - GND
5 SDET I Sub band detection input
6 GND - GND
DISPLAY UNIT (X54-332)
CN No.Pin No.Name I/O Function
CN1 1 DGND - GND (Digital)
2NC -NC
3NC -NC
4 LRES I Reset signal (Dot LCD IC)
5NC -NC
6 LCS4 I Chip selector 4 (Serial/parallel IC)
7 LCS3 I Chip selector 3 (Dot LCD IC)
8 LCS2 I Chip selector 2 (7 seg LCD IC)
9 LCS1 I Chip selector 1 (7 seg LCD IC)
10 LDA I LCD serial...

129
TS-2000/X
CN No.Pin No.Name I/O Function
19 GND - GND
20 AMU I Audio Mute, active “H” to mute SP1/
SP2 output
21 STS I
Start switch, active “H”. When START
is “H”, CPU gets this signal, then
send back STS to this unit to turn ON
IC10, 11, 604.
22 DREN I
Enable for DRU-3A Voice recording unit
23 EOM OEnd of message from DRU-3A “H” for end
24 GND - GND
25 DRO O Audio out from DRU-3A
26 GND - GND
27 DRM I Audio in for DRU-3A
28 GND - GND
29 VCS I VS3 voice synthesizer start signal
30 RST I VS-3 reset...

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...

131
TS-2000/X
CN No.Pin No.Name I/O Function
12 LMO O Mode set up signal (7 seg LCD IC)
13 LINH O Display inhibit signal (7 seg LCD IC)
14 5D O 5V (Digital)
15 KA I Key matrix input A
16 KB I Key matrix input B
17 KC I Key matrix input C
18 S0 O Key matrix output 0
19 S1 O Key matrix output 1
20 S2 O Key matrix output 2
21 S3 O Key matrix output 3
22 PSW I Power switch input signal
23 NC - NC
24 LEDB O LED power supply voltage
25 10A O 10V (Lamp)
26 GND - GND
CN804 1 5D O 5V (Encoder)
2 MENB I Main...