NXR-710
18
COMPONENTS DESCRIPTION
FINAL UNIT (X45-3920-10)
Ref. No.
Part Name
Description
IC201,202
MOS-IC
DC amplifi er
IC203
Analogue IC
Voltage regulator
Q1,2
Transistor
RF amplifi er
Q3
FET
TX drive amplifi er
Q4
FET
Final amplifi er
Q203~206
FET
DC switch
Q207
Transistor
DC switch
D1
Diode
RF switch
D3,4
Diode
RF detector
D7,8
Diode
RF switch
D9
Surge absorber
Surge protection
D10
Diode
RF detector
D201
Zener diode
Voltage reference
D202
Surge absorber
Surge protector
D203
Diode
Surge protector
D301
Diode
Protect of reverse connection
CONTROL UNIT (X53-4490-10)
Ref. No.
Part Name
Description
IC3
ROM IC
Flash memory
IC4,5
MOS-IC
RS-485 transceiver
IC6
Microprocessor IC
DSP
IC7,8
MOS-IC
Buffer
IC9
SRAM IC
SRAM
IC10,11
MOS-IC
Buffer
IC12
MOS-IC
AND gate
IC13
MOS-IC
AF amplifi er
IC14
MOS-IC
CODEC
IC15
MOS-IC
AF amplifi er
IC16
MOS-IC
Buffer amplifi er
IC17
MOS-IC
RTC IC
IC18,19
MOS-IC
Buffer
IC20
MOS-IC
MCU
IC21
MOS-IC
RS-232C driver/receiver
IC22
MOS-IC
I/O expander
IC23
MOS-IC
NAND gate
IC24
MOS-IC
AND gate
IC25
MOS-IC
OR gate
IC26
MOS-IC
AND gate
IC27,28
MOS-IC
AF amplifi er
IC301
Analogue IC
DC/DC converter
IC302
MOS-IC
Voltage regulator
IC303~306
Analogue IC
Voltage regulator
IC307
MOS-IC
Voltage regulator
IC308
Analogue IC
Voltage regulator
Ref. No.
Part Name
Description
IC401
MOS-IC
NAND gate
IC402
MOS-IC
Analog switch
IC403
Bi-polar IC
AF power amplifi er
IC404~406
Bi-polar IC
OP AMP
IC407
MOS-IC
Analog switch
IC411
Bi-polar IC
OP AMP
IC412
MOS-IC
DC/AC converter
Q4
Transistor
DC switch
Q5
FET
DC switch
Q6~10
Transistor
Buffer amplifi er
Q301
Transistor
DC switch
Q302
FET
DC switch
Q303
Transistor
Power switch
Q401
Transistor
Power switch
Q402
FET
Power switch
Q403
Transistor
Power switch
Q404,405
Transistor
AF mute switch
D1,2
Diode
Detector
D3~12
Diode
Surge protector
D13
Zener diode
Surge protector
D14~16
Diode
Surge protector
D18
Diode
Surge protector
D20
Diode
Surge protector
D22,23
Diode
Surge protector
D24
Zener diode
Surge protector
D26
Diode
Surge protector
D28,29
Diode
Surge protector
D30
Zener diode
Surge protector
D31
Diode
Surge protector
D32
Zener diode
Surge protector
D35
Diode
Surge protector
D36
Zener diode
Surge protector
D37
Varistor
Current protector
D301,302
Diode
Surge protector
D303
Zener diode
Voltage reference
D304,305
Diode
Surge protector
D401
Diode
Diode switch
DISPLAY UNIT (X54-3580-20)
Ref. No.
Part Name
Description
IC501
MOS IC
MIC amplifi er
IC502~505
MOS IC
Shift register
IC506,507
MOS IC
Voltage regulator
Q501,502
Transistor
Level controller
Q503,504
FET
DC switch
Q506
Transistor
DC switch