Kenwood NX-5800 Service Manual page 22

Ref.No Part Name
Q700 Transistor
Q701 FET
Q703, 704 FET
Q705 Transistor
Q900, 901 FET
Q902 Transistor
Q905, 906 FET
Q907, 908 FET
D1 Zener diode
D2 Diode
D3 Zener diode
D4 Diode
D5 Surge absorber
D6 Diode
D7~10 Diode
D11 Zener diode
D12, 13 Diode
D14 Diode
D15 Diode
D100 Zener diode
D101, 102 Diode
D103, 104 Variable
capacitance diode
D105~112 Variable
capacitance diode
D113 Diode
D114, 115 Diode
D117 Variable
capacitance diode
D300 Diode
D301 Diode
D302 Zener diode
D307 Zener diode
D309 Diode
D310~315 Diode
D500 Diode
D501~507 Variable
capacitance diode
D508, 509 Diode
D600, 601 Variable
capacitance diode
D602 Diode array
D700, 701 Diode
D702~706 Varistor
D708 Zener diode
D801 Diode
D900 Diode array
1-22 (No.RA017<Rev.002>)
Description
TCXO buffer
DC SW
DC SW
DC SW
Audio mute
DC SW
Audio mute
DC SW
Overvoltage protection
Reverse current prevention
Overvoltage protection
Reverse current prevention
Surge protection
Backup battery charge
Reverse current prevention
Voltage regulator (50BU)
Reverse current prevention
DC/DC converter (54M)
DC/DC converter (200C)
Overvoltage protection
T/R SW (fin filter)
VCO frequency control
VCO assist tune
Speed up
T/R SW (fin filter)
TX modulation
T/R SW
Reverse current prevention
Overvoltage protection
Overvoltage protection
TX Reverse power detection
Antenna SW
T/R SW
RX band-pass filter tune
Overvoltage protection
VCO frequency control
Overvoltage protection
Reverse current prevention
Line protection
Overvoltage protection
Reverse current prevention
External speaker detection
Ref.No Part Name
D903 Zener diode
D904 Diode array
D905 Diode
D906 Zener diode
D907 Diode
D908 Diode array
D909 Diode array
D910~915 Diode array
D916 Diode
D917 Zener diode
D918~920 Diode array
D921 Diode
D922 Zener diode
D923 Diode array
D924 Diode
2.5.2 Module (BT/GPS) unit (XC2-0031-80)
Ref.No Part Name
IC1 IC Level converter
IC2 IC Voltage regulator (18BT)
IC3 IC Voltage regulator (33BT)
IC4 IC Voltage regulator (33GPS)
IC5 IC GPS/Bluetooth
IC6, 7 IC Level converter
Q1 FET DC SW
2.5.3 SUB (Display) unit (XC3-0020-20) (Only NX-5800)
Ref.No Part Name
IC1 IC
IC2 IC
IC3 IC
IC4 IC
IC6 IC
IC8 IC
IC9 IC
IC10 IC
IC12 IC
Q2 FET
Q3, 4 Transistor
Q6 Transistor
D1, 2 Zener diode
D4~7 LED
D9~12 LED
D14~16 LED
D20 Zener diode
D21 LED
D22 Diode
Description
Overvoltage protection
Line protection
Line protection
Overvoltage protection
Reverse current prevention
Line protection
External speaker detection
Line protection
Reverse current prevention
Overvoltage protection
Line protection
Reverse current prevention
Overvoltage protection
Line protection
Reverse current prevention
Description
Description
Voltage regulator (50M)
Voltage regulator (30LCD)
Logic control
Analog SW
Illuminance sensor
LED driver
Logic control
I/O expander
Logic control
DC SW
DC SW
DC SW
Overvoltage protection
LED
LED
LED
Overvoltage protection
LED
Overvoltage protection