29
TS-2000/X
Ref. No.
Use / Function
Operation / Condition
D64
Switching
10.695MHz IF filter changeover,
on when through is selected
D65
Reverse current
Matching of main VHF and main
prevention
UHF changeover signal
D66
Detection
NB switching pulse detection
D67
Switching
455kHz IF filter changeover
D68
Switching
On when FM mode is selected in
main band
D69
Switching
455kHz IF filter changeover
D70,71
Switching
455kHz IF filter changeover
D73
Switching
On when non-FM mode is select-
ed in main band
D75
Switching
On during HF/50MHz TX
D76~79
Variable capacitor
Voltage varies (2 stages) according
to the TX band
D80
Switching
TX IF output HF/50MHz, VHF/UHF
changeover
D81
Switching
TX IF output 1.2GHz changeover
D82
PIN diode
TX IF gain variable according to TX power
D83
Reverse current
Matching of VTXB and UTXB
prevention
D84
PIN diode
TX gain setting of each band
D85
Reverse current
prevention
D86
LED
For constant voltage
D87~89
Reverse current
prevention
D90
Switching
TX IF FM mode/non-FM mode
changeover, 10.595MHz
D91
Variable capacitor
FM modulation 10.595MHz
D92,93
Reverse current
Creates IF TXB
prevention
D94,95
Reverse current
Creates IF RXB
prevention
D96
Zener diode
Stabilizes minus power source to –6V
D97
Rectifier
Creates minus voltage
D98
Surge absorption
Relay (K3)
D99
Reverse current
Matching of start signals from PC
prevention
and mobile panel
D100
Zener diode
Port protection
D101
Poly-switch
Over voltage detection
D102
Zener diode
Reference voltage of constant voltage
power source for mobile panel
D103,104
Surge absorption
D105
LED
Creates reference voltage
D106
Reverse current
External ALC matching
prevention
D107
Zener diode
External ALC voltage shift
Ref. No.
Use / Function
Operation / Condition
D108
Zener diode
Voltage shift
D109,110
Reverse current
External ALC matching
prevention
D111
Reverse current
prevention
D112
Zener diode
Port protection
D113
Zener diode
Voltage shift, lower power when
power voltage drops
D114
Zener diode
Set so the power does not to rise
when the power voltage goes up
D115,116
Reverse current
Meter line
prevention
D117,118
Reverse current
External standby
prevention
D119
Reverse current
UHF forward wave
prevention
D120
Reverse current
UHF reflected wave
prevention
D121
Reverse current
1.2GHz forward wave
prevention
D122
Reverse current
1.2GHz reflected wave
prevention
D123
Reverse current
VHF forward wave
prevention
D124
Reverse current
VHF reflected wave
prevention
D130
PIN diode
RX gain adjustment 455kHz
D700~702
Reverse current
prevention
D703
Variable capacitor
Voltage varies (2 stages) according
to the TX band
D704,705
Switching
On when preamplifier is on at
21.5~60MHz
D706
Reverse current
On at 21.5~60MHz
prevention
D707
Rectifier
Noise rectification for FM squelch
D708
Reverse current
Leak current prevention
prevention
D709
Zener diode
8V
→
5V
D710
Voltage shift
Temperature compensation
D711
Reverse current
Discharge path (non-FM mode)
prevention
D712,713
Cliper
External modulation input
D714
Voltage shift
D715
Variable capacitor
Voltage varies (2 stages) according
to the TX band
D716
Reverse current
prevention
DESCRIPTION OF COMPONENTS
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 ...