Kenwood NXR-700H Service Manual page 38

Vhf digital base-repeater
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NXR-700H
CONTROL UNIT (X53-4140-10)
Ref. No.
Part Name
IC300,301
MOS-IC
IC302
MOS-IC
IC303
MOS-IC
IC304
MOS-IC
IC305~307
MOS-IC
IC308
MOS-IC
IC309
MOS-IC
IC312
MOS-IC
IC313
MOS-IC
IC314
ROM IC
IC315
MOS-IC
IC318~321
MOS-IC
IC323,324
Microprocessor IC DSP
IC325
Microprocessor IC MPU
IC327
MOS-IC
IC329
MOS-IC
IC330
MOS-IC
IC700
SRAM IC
IC701
MOS-IC
IC702
ROM IC
IC703
Microprocessor IC MPU
IC704
DRAM IC
IC705
MOS-IC
IC707
DRAM IC
IC708
MOS-IC
IC709
MOS-IC
IC710,711
MOS-IC
IC712,713
MOS-IC
IC714~718
MOS-IC
IC719
MOS-IC
IC720
ROM IC
IC721
MOS-IC
IC722
MOS-IC
IC723
MOS-IC
IC724,725
MOS-IC
IC726
MOS-IC
IC727,728
MOS-IC
Q300
Transistor
Q301
Transistor
Q302
Transistor
Q303
Transistor
Q304,305
Transistor
Q307,308
Transistor
Q309
FET
38
COMPONENTS DESCRIPTION /
Description
Buffer
RS-485 driver/receiver
Voltage detector
Buffer
Voltage regulator
Voltage detector
CODEC
A/D converter
Inverter
Flash memory
12.288MHz PLL
Buffer
AND gate
Voltage regulator
Buffer
SRAM
RTC IC
Flash memory
SDRAM
RS-232C driver/receiver
SDRAM
Voltage detector
Buffer
NAND gate
OR gate
Octal buffer
LAN IC
EEPROM
AND gate
OR gate
NAND gate
Buffer
AND gate
Buffer
Reference AMP
DC switch
Power switch
Control switch
Reference AMP
Clock shift switch
Switch
元件说明
控制单元 (X53-4140-10)
有关号码
零 件 名 称
IC300,301
MOS-IC
IC302
MOS-IC
IC303
MOS-IC
IC304
MOS-IC
IC305 ~ 307
MOS-IC
IC308
MOS-IC
IC309
MOS-IC
IC312
MOS-IC
IC313
MOS-IC
IC314
ROM IC
IC315
MOS-IC
IC318 ~ 321
MOS-IC
IC323,324
微处理器 IC
IC325
微处理器 IC
IC327
MOS-IC
IC329
MOS-IC
IC330
MOS-IC
IC700
SRAM IC
IC701
MOS-IC
IC702
ROM IC
IC703
微处理器 IC
IC704
DRAM IC
IC705
MOS-IC
IC707
DRAM IC
IC708
MOS-IC
IC709
MOS-IC
IC710,711
MOS-IC
IC712,713
MOS-IC
IC714 ~ 718
MOS-IC
IC719
MOS-IC
IC720
ROM IC
IC721
MOS-IC
IC722
MOS-IC
IC723
MOS-IC
IC724,725
MOS-IC
IC726
MOS-IC
IC727,728
MOS-IC
Q300
晶体管
Q301
晶体管
Q302
晶体管
Q303
晶体管
Q304,305
晶体管
Q307,308
晶体管
Q309
场效应管
缓冲器
RS-485 驱动器 / 接收机
电压检测器
缓冲器
稳压器
电压检测器
CODEC
A/D 转换器
变换器
闪存
12.288MHz PLL
缓冲器
DSP
MPU
AND 栅
稳压器
缓冲器
SRAM
RTC IC
闪存
MPU
SDRAM
RS-232C 驱动器 / 接收机
SDRAM
电压检测器
缓冲器
NAND 栅
OR 栅
八缓冲器
LAN IC
EEPROM
AND 栅
OR 栅
NAND 栅
缓冲器
AND 栅
缓冲器
基准 AMP
直流开关
电源开关
控制开关
基准 AMP
时钟位移开关
开关

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