Kenwood NX-3400 Service Manual page 19

2.4 COMPONENTS DESCRIPTION
2.4.1 MAIN unit (XC1-276K-00)
Ref. No. Part Name
IC1 IC
IC2 IC
IC3 IC
IC4 IC
IC5 IC
IC6 IC
IC7 IC
IC8 IC
IC9 IC
IC10 IC
IC11 IC
IC12 IC
IC13 IC
IC14 IC
IC15 IC
IC17 IC
IC18 IC
IC101 IC
IC102 IC
IC201 IC
IC202 IC
IC203 IC
IC303 IC
IC351 IC
IC352,353 IC
IC401 IC
IC402 IC
IC403 IC
IC404 IC
IC405 IC
IC406 IC
IC409 IC
IC410 IC
IC601 IC
IC602 IC
IC603 IC
IC604 IC
IC605 IC
IC606 IC
IC607 IC
Q1 Transistor
Q2,3 FET
Q4,5 FET
Q6 Transistor
Use / Function
Voltage detector
DC/DC converter (12M)
DC/DC converter (38M)
DC/DC converter (18M)
Voltage regulator (32M)
Voltage regulator (50C)
Voltage regulator (32BT)
Voltage regulator (18BT)
Voltage regulator (31BU)
Voltage regulator (12BU)
Voltage regulator (32A)
Switch IC (18M_3 )
DC/DC converter (200C)
Voltage regulator (32C)
Voltage regulator (50T)
Voltage regulator (50A)
DC amplifier
DC amplifier (Assist)
DC amplifier (CV)
DC amplifier (Antenna SW)
MMIC (Pre-drive)
DC amplifier (APC)
Transceiver IC
GPS/Bluetooth
Level converter
MPU/DSP
Mobile DDR
Voltage detector
Flash memory
AND gate (2 input)
Motion sensor
A/D converter
D/A converter
Codec
Voltage regulator (50BU)
Multiplexer
Bus switch
DPDT switch
Bus Buffer
AND gate (2 input)
DC switch
Detector
DC switch
DC switch
Ref. No. Part Name
Q7 Transistor
Q102 FET
Q103 FET
Q111 FET
Q112 FET
Q113 Transistor
Q114 FET
Q117 FET
Q118 FET
Q131 Transistor
Q151 Transistor
Q181,182 Transistor
Q201 FET
Q202 FET
Q203 Transistor
Q204 Transistor
Q205,206 FET
Q207 Transistor
Q351 FET
Q401 Transistor
Q402 Transistor
D1 Diode
D8 Diode
D9 Diode
D10 Diode
D102 Zener diode
D103,104 Diode
D111 Diode
D131 Variable
capacitance diode
D132-134 Variable
capacitance diode
D136 Variable
capacitance diode
D151 Variable
capacitance diode
D152-154 Variable
capacitance diode
D156 Variable
capacitance diode
D201-203 Diode
D204 Zener diode
D206 Varistor
D207 Diode
D301,302 Diode
D303,304 Diode
D401,402 Diode
D403-407 Diode
Use / Function
DC switch (Codec IC)
DC switch (Assist)
DC switch
DC switch (VCO)
DC switch
Ripple filter
DC switch
DC switch (VCO)
DC switch
VCO
VCO
VCO
Drive amplifier
RF final amplifier
APC switch
DC switch
DC switch
DC switch
DC switch
Clock buffer
DC switch
Reverse protection
38M control
Back up battery charge
DC/DC converter
Over voltage protection
Reverse current protection
Reverse current protection
VCO frequency control
VCO frequency control
VCO frequency control
VCO frequency control
VCO frequency control
VCO frequency control
Antenna switch
Over voltage protection
Surge protection
Antenna switch
Reverse current protection
Excessive input protection
Reverse current protection
Reverse current protection
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