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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
D434,441
Switching
On in main VHF RX mode
D435,442
Switching
On in main UHF RX mode
D436,443
Switching
On in VHF TX mode
D437,444
Switching
On in UHF TX mode
D438
Reverse current
Unlock signal detection (HF VCO)
prevention
D439,440
Switching
Filter changeover, on when 0.03~
16.99MHz
D445~447
Reverse current
HF 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
Q305~307
LPF
PLL loop LPF
Q310,311
Amplifier
Amplifies 31.2MHz signal
Q312
PLL reference
Amplifies PLL reference signal
signal amplifier
Q313,314
Mixer 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
IC2
Drive power module
Amplifies to approximately 1W
IC3
Final power module
Amplifies 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
D5~7
TX/RX changeover
On when TX
D8
Local signal
Supplies a 124.8MHz signal to Q1 and
changeover
Q2 during TX and to Q7 and Q8 during RX
D9
AGC starting control
Speeds 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
D303
TX/RX changeover
On 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 filter
Smooths power for VCO and loop filter
Q19
Double
Output : 1104~1165MHz
Summary of Contents for TS-2000
Page 132: ...TS 2000 X TS 2000 X 134 WIRING ...
Page 142: ...1 2 B A D F C E G I H J 3 5 7 9 4 6 8 10 12 14 11 13 TS 2000 X CIRCUIT DIAGRAM 165 ...
Page 144: ...1 2 B A D F C E G I H J 3 5 7 9 4 6 8 10 12 14 11 13 TS 2000 X CIRCUIT DIAGRAM 169 ...
Page 167: ...234 TS 2000 X MC 52DM MULTI FUNCTION MICROPHONE WITH DTMF Schamatic Diagram ...