Kenwood NXR-901 Service Manual page 24

NXR-901
Control unit (X53-4140-10)
Ref. No. Part Name
IC300,301 IC
IC302 IC
IC303 IC
IC304 IC
IC305~307 IC
IC308 IC
IC309 IC
IC312 IC
IC313 IC
IC314 IC
IC315 IC
IC318~321 IC
IC323,324 IC
IC325 IC
IC327 IC
IC329 IC
IC330 IC
IC700 IC
IC701 IC
IC702 IC
IC703 IC
IC704 IC
IC705 IC
IC707 IC
IC708 IC
IC709 IC
IC710,711 IC
IC712,713 IC
IC714~718 IC
IC719 IC
IC720 IC
IC721 IC
IC722 IC
IC723 IC
IC724,725 IC
IC726 IC
IC727,728 IC
Q300 Transistor
Q301 Transistor
Q302 Transistor
Q303 Transistor
Q304,305 Transistor
Q307,308 Transistor
Q309 FET
24
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
DSP
MPU
AND gate
Voltage regulator
Buffer
SRAM
RTC IC
Flash memory
MPU
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
Ref. No. Part Name
Q700,702
Transistor
Q704,705
Q706 Transistor
Q707 Transistor
D300 Diode
D701 Diode
D702 Diode
RX unit (X55-3120-11)
Ref. No. Part Name
IC1 IC
IC2 IC
IC3 IC
IC4 IC
IC201 IC
IC202 IC
IC204 IC
IC205 IC
IC207 IC
IC208 IC
IC210 IC
IC501 IC
IC502 IC
IC503 IC
IC601 IC
IC602 IC
IC603 IC
IC604 IC
IC605,606 IC
IC801~804 IC
IC805 IC
IC806 IC
IC807~809 IC
IC810 IC
IC811 IC
IC812 IC
IC813 IC
IC814 IC
Q1 Transistor
Q2,3 Transistor
Q4 Transistor
Q5 FET
Q6 Transistor
Q7 FET
Q8~11 Transistor
Description
Clock shift switch
Control switch
MIC switch
DC Switch
Switch
Voltage protector
Description
OP AMP
Fractional-N PLL IC
OP AMP
Voltage regulator
OP AMP
Variable attenuator
OP AMP
Down converter
FM IF system IC
OP AMP (IF AMP)
OP AMP
IF system IC
OP AMP (IF AMP)
Voltage regulator
OP AMP
3-state buffer
Integer-N PLL IC
3-state buffer
Voltage regulator
Voltage regulator
DAC
Temperature sensor
Voltage regulator
Votage reference
ADC
OP AMP
EEPROM
OP AMP
Reference signal AMP
PLL active fi lter AMP
Ripple fi lter AMP
Oscillator
Ripple fi lter AMP
DC switch
1st Local AMP