1-22 (No.RA053<Rev.001>)
2.4
COMPONENTS DESCRIPTION
2.4.1 TX-RX unit (XC1-178K-00,XC1-180K-00)
Ref. No.
Part Name
Use / Function
IC1
IC
Voltage detector
IC2
IC
DC/DC converter (12M)
IC3
IC
DC/DC converter (38M)
IC4
IC
DC/DC converter (18M)
IC5
IC
Voltage regulator (32M)
IC6
IC
Voltage regulator (50C)
IC7
IC
Voltage regulator (32BT)
IC8
IC
Voltage regulator (18BT)
IC9
IC
Voltage regulator (31BU)
IC10
IC
Voltage regulator (12BU)
IC11
IC
Voltage regulator (32A)
IC12
IC
Switch IC (18M_3 )
IC13
IC
DC/DC converter (200C)
IC14
IC
Voltage regulator (32C)
IC15
IC
Voltage regulator (50T)
IC17
IC
Voltage regulator (50A)
IC18
IC
DC amplifier
IC101
IC
DC amplifier (Assist)
IC102
IC
DC amplifier (CV)
IC201
IC
DC amplifier (Antenna SW)
IC202
IC
MMIC (Pre-drive)
IC203
IC
DC amplifier (APC)
IC303
IC
Transceiver IC
IC351
IC
GPS/Bluetooth
IC352,353
IC
Level converter
IC401
IC
MPU/DSP
IC402
IC
SDRAM
IC403
IC
Voltage detector
IC404
IC
Flash memory
IC405
IC
AND gate (2 input)
IC406
IC
Motion sensor
IC409
IC
A/D converter
IC410
IC
D/A converter
IC601
IC
Codec
IC650
IC
Audio amplifier
IC651
IC
Voltage regulator (50J)
IC652
IC
Bus buffer (3 state)
IC654
IC
AND gate (2 input)
Q1
Transistor
38M control
Q2
FET
Detector (Power Switch)
Q3
FET
Detector (BINT)
Q4
FET
DC switch (SB2)
Q5
FET
18M control
Q6,7
Transistor
DC switch (Codec IC)
Q102
FET
DC switch (Assist)
Q103
FET
DC switch (VCO Buffer)
Q111,112
FET
DC switch (VCO)
Q113
Transistor
Ripple filter
Q114
FET
DC switch (VCO)
Q116
FET
DC switch (VCO)
Q131
FET(NX-3220),
Transistor(NX-3320)
VCO
Q151
Transistor
VCO buffer(NX-3220),
VCO(NX-3320)
Q181
Transistor
VCO buffer
Q201
FET
Drive amplifier
Q202
FET
RF final amplifier
Q203,204
Transistor
APC switch
Q205,206
FET
APC switch
Q207
Transistor
APC switch
Q351
FET
DC switch
Q401
Transistor
Clock buffer
Q402
Transistor
DC switch
Q650
Transistor
DC switch (Audio amplifier)
Q651,652
FET
Audio mute
Q653,654
Transistor
DC switch (Audio mute)
Q656
Transistor
DC switch (External PTT)
D1
Diode
Reverse protection
D8
Diode
38M control
D9
Diode
Back up battery charge
D10
Diode
DC/DC converter
D102
Zener diode
Over voltage protection
D111
Diode
Ripple filter
D131
Variable capacitance
diode
VCO frequency control
D132-136
Variable capacitance
diode
VCO frequency control
D151-155
VARI CAP D
VCO frequency control
D201-203
Diode
Antenna switch
D204
Zener diode
Over voltage protection
D205
Diode
Antenna switch
D206
Diode
Surge protection
D301,302
Diode
Excessive input protection
D303,304
Diode
Excessive input protection
D401,402
Diode
Reverse current protection
D403-407
Diode
Reverse current protection
D607-609
Diode
Surge protection
D620,621
Zener diode
Surge protection
D650
Diode
External speaker detector
D651,652
Zener diode
Over voltage protection
D653-655
Diode
Surge protection
Ref. No.
Part Name
Use / Function
Содержание NX-3220 E
Страница 159: ... No RA053 Rev 001 1 159 A SIDE B SIDE ...
Страница 162: ...1 162 No RA053 Rev 001 A SIDE B SIDE ...
Страница 166: ...1 166 No RA053 Rev 001 ESN Label Layout Note Cut a ESN Label at dotted line ESN Label ...
Страница 204: ... No RA053 Rev 001 JKS Printed in Japan JVC KENWOOD Corporation Communications Systems Division ...