Components Description; Final Unit Components; Control Unit Components; Display Unit Components - Kenwood NXR-810 Service Manual

NXR-810
FINAL UNIT (X45-3930-10)
Ref. No. Part Name
IC201,202 MOS-IC
IC203 Analogue IC
Q1 Transistor
Q2 FET
Q3 FET
Q4 FET
Q203~206 FET
Q207 Transistor
D1~3 Diode
D6,7 Diode
D8 Surge absorber
D201 Zener diode
D202 Surge absorber
D203 Diode
D301 Diode
CONTROL UNIT (X53-4490-10)
Ref. No. Part Name
IC3 ROM IC
IC4,5 MOS-IC
IC6 Microprocessor IC
IC7,8 MOS-IC
IC9 SRAM IC
IC10,11 MOS-IC
IC12 MOS-IC
IC13 MOS-IC
IC14 MOS-IC
IC15 MOS-IC
IC16 MOS-IC
IC17 MOS-IC
IC18,19 MOS-IC
IC20 MOS-IC
IC21 MOS-IC
IC22 MOS-IC
IC23 MOS-IC
IC24 MOS-IC
IC25 MOS-IC
IC26 MOS-IC
IC27,28 MOS-IC
IC301 Analogue IC
IC302 MOS-IC
IC303~306 Analogue IC
IC307 MOS-IC
IC308 Analogue IC
IC401 MOS-IC
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COMPONENTS DESCRIPTION

Description
DC amplifi er
Voltage regulator
RF amplifi er
RF amplifi er
TX drive amplifi er
Final amplifi er
DC switch
DC switch
RF detector
RF switch
Surge protection
Voltage reference
Surge protector
Surge protector
Protect of reverse connection
Description
Flash memory
RS-485 transceiver
DSP
Buffer
SRAM
Buffer
AND gate
AF amplifi er
CODEC
AF amplifi er
Buffer amplifi er
RTC IC
Buffer
MCU
RS-232C driver/receiver
I/O expander
NAND gate
AND gate
OR gate
AND gate
AF amplifi er
DC/DC converter
Voltage regulator
Voltage regulator
Voltage regulator
Voltage regulator
NAND gate
Confidential 2009.11.30
Ref. No. Part Name
IC402 MOS-IC
IC403 Bi-polar IC
IC404~406 Bi-polar IC
IC407 MOS-IC
IC411 Bi-polar IC
IC412 MOS-IC
Q4 Transistor
Q5 FET
Q6~10 Transistor
Q301 Transistor
Q302 FET
Q303 Transistor
Q401 Transistor
Q402 FET
Q403 Transistor
Q404,405 Transistor
D1,2 Diode
D3~12 Diode
D13 Zener diode
D14~16 Diode
D18 Diode
D20 Diode
D22,23 Diode
D24 Zener diode
D26 Diode
D28,29 Diode
D30 Zener diode
D31 Diode
D32 Zener diode
D35 Diode
D36 Zener diode
D37 Varistor
D301,302 Diode
D303 Zener diode
D304,305 Diode
D401 Diode
DISPLAY UNIT (X54-3580-20)
Ref. No. Part Name
IC501 MOS IC
IC502~505 MOS IC
IC506,507 MOS IC
Q501,502 Transistor
Q503,504 FET
Q506 Transistor
Q507 FET
Description
Analog switch
AF power amplifi er
OP AMP
Analog switch
OP AMP
DC/AC converter
DC switch
DC switch
Buffer amplifi er
DC switch
DC switch
Power switch
Power switch
Power switch
Power switch
AF mute switch
Detector
Surge protector
Surge protector
Surge protector
Surge protector
Surge protector
Surge protector
Surge protector
Surge protector
Surge protector
Surge protector
Surge protector
Surge protector
Surge protector
Surge protector
Current protector
Surge protector
Voltage reference
Surge protector
Diode switch
Description
MIC amplifi er
Shift register
Voltage regulator
Level controller
DC switch
DC switch
DC switch