Components Description - Kenwood TK-3230 Service Manual

TX-RX unit (X57-7330-10)
Ref. No. Part Name
IC1 IC
IC100 IC
IC200 IC
IC300 IC
IC301 IC
IC302 IC
IC303 IC
IC400 IC
IC401 IC
IC403 IC
IC404 IC
IC405 IC
IC406 IC
Q1 Transistor
Q2 Transistor
Q3 Transistor
Q4 Transistor
Q5 Transistor
Q6 Transistor
Q101 Transistor
Q103 FET
Q104 FET
Q200 Transistor
Q201 Transistor
Q202 Transistor
Q203 FET
Q204 FET
Q300,301 FET
Q302 FET

COMPONENTS DESCRIPTION

Description
Phase Locked Loop system
DAC
IF System
Base Band
Active Filter
MIC amplifi er/ Limiter
Audio Power Amplifi er
Voltage Detect
Reset Switch
MCU
Voltage Regulator (3V)
Divider
EEPROM
DC switch (T/R)
VCO
RF amplifi er
Ripple fi lter
RF buffer amplifi er
RF amplifi er
TX pre-drive
TX drive
TX fi nal
RX W/N Switch
IF amplifi er
Tripler
Mixer
RF amplifi er
Audio mute switch
VOX switch
Ref. No. Part Name
Q303 Transistor
Q400 Transistor
Q401 Transistor
Q402 Transistor
Q403,408 Transistor
Q404 Transistor
Q405 Transistor
Q406 Transistor
D1 Diode
Variable
D2 capacitance
Diode
D3 Diode
Variable
D4 capacitance
Diode
D5 Diode
D6,7 Diode
D101,200,201 Diode
D300 Diode
D301 Diode
D302 Diode
D303 Diode
D304 Diode
D305 Diode
D306,307 Zener Diode
D308 Zener Diode
D400 LED
D401 LED
TK-3230
Description
MIC mute/AGC
DC switch (Back Light)
DC switch (Busy)
DC switch (TX)
Beat shift switch
DC switch (3T)
DC switch (3C)
DC switch (3R)
Current Steering
Frequency control
Unlock detect
TX modulation
Current Steering
RF switch
Antenna switch
Switch
AGC detect
AF detect
MIC mute/AGC switch
Reverse protection
Surge absorption
Voltage protection
Surge absorption
LCD Backlight
TX/ BUSY
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