Components Description - Kenwood NX-700 Service Manual

Display unit (X54-3640-10)
Ref. No. Part Name
IC901 MOS-IC
IC902 MOS-IC
IC903 MOS-IC
IC904 MOS-IC
IC905 MOS-IC
IC906 MOS-IC
IC907 MOS-IC
IC908 MOS-IC
IC909 MOS-IC
IC910 MOS-IC
IC911 MOS IC
IC912 MOS-IC
IC913 ROM IC
Q901 FET
Q902 Transistor
Q904 Transistor
Q905 Transistor
Q906 Transistor
Q908 Transistor
Q909 Transistor
Q910 Transistor
Q911 FET
Q913 FET
D901 Varistor
D902 Varistor
D903 Zener Diode
D904 Varistor
D906 Varistor
D907 Zener Diode
D908 Diode
D910 Diode
D911,912 Diode
D913 Diode
D914 LED
D915~926 LED
D927~936 LED
D937 Diode

COMPONENTS DESCRIPTION

Description
AFO/BLC SW
AF Buffer AMP (AFO)
Voltage Regulator (5C)
Voltage Regulator (33C)
Bus Buffer (TXD0)
DC/DC Converter (N100C)
Dual Bus Buffer (RXD0/RXD1)
AND Gate (TXD1/RXD0)
Buffer AMP (LCD Contrast ADJ)
Bus Buffer (D0-D7)
MCU
Bus Buffer (A1-A2)
Flash ROM
AFO SW
HK/RXD0 SW
HK/RXD0 SW
TX/RX LED (TX)
TX/RX LED (BUSY)
LCD Back Light SW
DIMER SW (LCD Back Light)
LCD BACK LIGHT SW
Dimer SW (LCD Back Light)
LCD Reset SW
Surge Absorption (DM/KVL)
Surge Absorption (HK/RXD)
Over DC Supply Protection
Surge Absorption (BLC/AFO)
LINE protection (SB)
OVER DC Supply Protection
KEY Matrix
Reverse Current Prevention (HK/
RXD)
KEY Matrix
Line Protection (PTT/TXDO)
TX/RX LED
LCD Back Light
KEY Back Light
Level Shift (PRST)
NX-700/700H
TX-RX unit (X57-7380-XX)
Ref. No. Part Name
IC1 MOS-IC
IC2 MOS-IC
IC3 MOS-IC
IC4 MOS-IC
IC5 MOS-IC
IC101 MOS-IC
IC102 MOS-IC
IC103 MOS-IC
IC201 MOS-IC
IC202 Analogue IC
IC203 MOS-IC
IC204 MOS-IC
IC205,206 MOS-IC
IC401 MOS-IC
IC402 MOS-IC
IC403 MOS-IC
IC404 MOS-IC
IC405 Analogue IC
IC406 BI-POLAR IC
IC407 MOS-IC
IC408 MOS-IC
IC409 MOS-IC
IC410 Analogue IC
IC501 ROM IC
IC502 MCU
IC503 SRAM IC
IC504 MOS-IC
IC505 MOS-IC
IC506 MOS-IC
IC507 MOS-IC
IC508 MOS-IC
IC509 MOS-IC
IC510 MOS-IC
IC511 MOS-IC
IC512 MOS-IC
IC513 MOS-IC
IC514 MOS-IC
IC515 MOS-IC
IC516 MOS-IC
IC517 MOS-IC
Description
Buffer AMP (TCXO modulation)
Temp Sensor
PLL IC
Buffer AMP (VCO tune)
VCO Modulation/Buffer AMP (CV)
Auto Power Control
Final AMP (RF Power Module)
Auto Power Control
Buffer AMP (2nd IF DET)
IF IC
Buffer AMP (RSSI/VAGC)
1st Mixer
Buffer AMP (BPF tune)
Voltage Detector (BINT)
Voltage Regulator (33M)
Voltage Regulator (80C)
Voltage Regulator (50C)
DC/DC Converter (50M)
Voltage Regulator (33C)
Voltage Regulator (33GPS)
Voltage Regulator (33A)
Voltage Regulator (15M)
DC/DC Converter (150C)
Flash ROM
DSP (BGA)
SRAM (BGA)
RTC
Delay
Reset (MCU)
Bus Buffer (BFSX2)
Buffer AMP (18.432MHz)
Bus Buffer (BER CLK/BER DATA)
MCU (BGA)
AND (PCS_RF/HD2)
Level Shift (AND ITXD1/SCTXD)
Buffer AMP (TXD2)
Level Shift (I2CCK/I2CDT)
Level Shift (TXDO/RTSO)
Level Shift (RXDO/CTSO)
I/O Expander
23