Components Description - Kenwood TK-3000 K Service Manual

TX-RX unit (X57-810X-XX)
Ref. No. Part Name
IC1 IC
IC200 IC
IC300 IC
IC301 IC
IC302 IC
IC303 IC
IC304 IC
IC305 IC
IC400 IC
IC401 IC
IC500 IC
IC501 IC
IC503 IC
Q1 Transistor
Q2 Transistor
Q3 Transistor
Q4 FET
Q5 Transistor
Q6 Transistor
Q7 Transistor
Q100 Transistor
Q101 FET
Q102 FET
Q103 Transistor
Q200 Transistor
Q201 Transistor
Q202 Transistor
Q203 FET
Q204 FET
Q300 Transistor
Q301 Transistor
Q302 FET
Q303 FET
Q304 Transistor
Q305 Transistor
Q306 FET
Q400 Transistor
Q401 Transistor
Q402 Transistor
Q500 FET
Q501 FET
Q502 Transistor
D1 Diode

COMPONENTS DESCRIPTION

Description
PLL system
FM IF system
DAC
LSD buffer
AF power AMP
AF fi lter
MIC AMP
QT/DQT fi lter
MCU
EEPROM
Voltage detector/RESET
Voltage regulator/5V
Voltage regulator/5V
DC switch
TX/RX RF switch
Ripple fi lter
VCO
RF buffer AMP
RF AMP
Voltage regulator/3V
Pre drive AMP
Drive AMP
Final AMP
Voltage discharge switch
W/N switch
Doubler
IF AMP
Mixer
RF AMP
DC switch
DC switch
Mute swtch
DC switch
DC switch
W/N switch
Mute switch
Switch
DC switch
DC switch
DC switch
DC switch
DC switch
Current steering
Ref. No. Part Name
Variable capaci-
D2
tance diode
Variable capaci-
D3
tance diode
D4 Diode
Variable capaci-
D5
tance diode
Variable capaci-
D6
tance diode
D7 Diode
D8 Diode
D100 Diode
D101 Diode
D102 Diode
D103 Diode
D105 Diode
D200 Diode
Variable capaci-
D201
tance diode
Variable capaci-
D202
tance diode
Variable capaci-
D204
tance diode
Variable capaci-
D260
tance diode
Variable capaci-
D261
tance diode
D301 Diode
D400 LED
D401 LED
D402 Diode
D500 Diode
D501 Diode
TK-3000
Description
Frequency control/ VCO
Frequency control/ VCO
TX/RX RF switch
Frequency control/ VCO
Modulator /TX VCO
Ripple fi lter
Current steering
TX/RX RF switch
ANT switch
ANT switch
ANT switch
ANT switch
TX/RX RF switch
RX BPF tuning
RX BPF tuning
RX BPF tuning
RX BPF tuning
RX BPF tuning
Current steering
LED/green
LED/red
VCO speed up
Protect
Current steering
11