Components Description - Kenwood TK-3501 Service Manual

TK-3501
TX-RX unit (X57-8992-70)
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
IC601 IC
IC620 IC
Q1 Transistor
Q2 Transistor
Q3 Transistor
Q4 FET
Q5 Transistor
Q6 Transistor
Q7 Transistor
Q101 FET
Q102 FET
Q103 Transistor
Q201 Transistor
Q202 Transistor
Q203 FET
Q204 FET
Q300 Transistor
Q301 Transistor
Q302 FET
Q303 FET
Q304 Transistor
Q306 FET
Q401 Transistor
Q402 Transistor
Q403 FET
Q500 FET
Q501 FET
Q502 Transistor
Q601 Transistor
Q602 Transistor
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COMPONENTS DESCRIPTION

Description
PLL system
FM IF system
DAC
LSD buffer
AF power AMP (EXT SP)
AF filter
MIC AMP
QT/DQT filter
MCU
EEPROM
Voltage detector/RESET
Voltage regulator/5V
Voltage regulator/5V
AF power AMP (INT SP)
AF filter
DC switch
TX/RX RF switch
Ripple filter
VCO
RF buffer AMP
RF AMP
Voltage regulator/3V
Drive AMP
Final AMP
Voltage discharge switch
Doubler
IF AMP
Mixer
RF AMP
DC switch
Q302,306 control
Mute swtch
DC switch
DC switch
Mute switch
DC switch
DC switch
DC switch
DC switch
DC switch
DC switch
Q602 control
DC switch
Ref. No. Part Name
Q603 Transistor
Q604 Transistor
D1 Diode
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
D102 Diode
D103 Diode
D200 Diode
D301 Diode
D400 LED
D401 LED
D402 Diode
D500 Diode
D501 Diode
Description
DC switch
DC switch
Current steering
Frequency control/ VCO
Frequency control/ VCO
TX/RX RF switch
Frequency control/ VCO
Modulator /TX VCO
Ripple filter
Current steering
TX/RX RF switch
ANT switch
ANT switch
TX/RX RF switch
Current steering
LED/green
LED/red
VCO speed up
Protect
Current steering