Components Description - Kenwood TK-3160 Service Manual

TX-RX UNIT (X57-673X-XX)
Ref. No. Use/Function
IC1 IC PLL system
IC201 IC Comparator (APC)
IC401 IC FM IF system
IC601 IC Audio processor
IC602 IC AF AMP
IC603(1/2) IC HSD AMP
IC603(2/2) IC HSD AMP
IC604 IC VOX AMP
IC605 IC AF power AMP
IC801 IC Voltage regulator / 5V
IC802 IC Voltage detector / Reset
IC803 IC Voltage detector / INT
IC804 IC EEPROM
IC805 IC Microprocessor
IC806 IC Flip Flop
Q1 Transistor Level shift
Q2 Transistor Level shift
Q3 Transistor Level shift
Q4 Transistor Tripler
Q5 FET VCO / RX
Q6 FET VCO / TX
Q7 Transistor PLL IC f_in AMP
Q8 FET DC switch / TX VCO
Q9 Transistor RF Buffer AMP
Q10 Transistor Ripple filter
Q11 Transistor RF AMP
Q12 FET DC switch / RX VCO
Q205 Transistor Pre-drive AMP
Q206 FET Pre-drive AMP
Q207 FET TX Drive AMP
Q208 Transistor APC switch
Q209 FET APC switch
Q210 Transistor APC switch
Q211 FET TX Final AMP
Q212 FET APC switch
Q213 Transistor APC switch
Q401 Transistor W/N switch
Q402 Transistor IF AMP
Q403 FET Mixer
Q404 FET RF AMP
Q407 FET DC switch
Q601 FET AF Mute
Q602 FET Beep switch
Q603 Transistor DC switch / SP Mute
Q604 Transistor DC switch
Q605 Transistor MIC AGC
Q606 Transistor MIC AGC
Q607 Transistor DC switch / SP Mute
Q608 FET SP Mute switch
Q801 Transistor 5T switch
Q802(1/2) FET 5TC switch
Q802(2/2) FET SAVE switch
Q803(1/2) Transistor AVR / 5C

COMPONENTS DESCRIPTION

Operation/Condition Ref. No. Use/Function
Q803(2/2) Transistor AVR / 5T
Q804 Transistor 5C switch
Q805(1/2) Transistor LED switch / Green
Q805(2/2) Transistor LED switch / Red
Q806 Transistor AVR / PLLB
Q807 Transistor PLLB switch
Q808 Transistor 5MS switch
Q809 Transistor 5R switch
Q810 FET Beet shift switch
Variable
D3 Frequency control / RX VCO
capacitance diode
Variable
D4 Frequency control / TX VCO
capacitance diode
Variable
D7 Frequency control / TX VCO
capacitance diode
Variable
D9 Frequency control / RX VCO
capacitance diode
Variable
D10 Modulation
capacitance diode
D11 Diode Current steering
D201 Diode TX/RX RF switch
D203 Zener diode APC protect
D204 Diode ANT switch
D206 Diode ANT switch
D208 Diode ANT switch
D212 Diode ANT switch
D401 Diode TX/RX RF switch
Variable
D402 RF BPF tuning
capacitance diode
Variable
D403 RF BPF tuning
capacitance diode
Variable
D404 RF BPF tuning
capacitance diode
Variable
D405 RF BPF tuning
capacitance diode
Variable
D406 RF BPF tuning
capacitance diode
D407 Diode Rectifier
D603 Diode Limitter
D604 Diode Detector
D605 Diode Detector
D606 Diode Detector
D801 Diode 5M protect
D802 LED LED / Red
D803 LED LED / Green
D805 Diode Reverse protection
TK-3160
Operation/Condition
13