NX-800
24
TX-RX unit (X57-7390-10) : NX-800
Ref. No.
Part Name
Description
IC1
MOS-IC
Temp sensor
IC2
MOS-IC
Buffer AMP (TCXO modulation)
IC3
MOS-IC
PLL IC
IC4
MOS-IC
Buffer AMP (VCO tune)
IC5
MOS-IC
VCO modulation/Buffer AMP (CV)
IC101
MOS-IC
Auto Power Control
IC102
MOS-IC
Final AMP (RF Power Module)
IC103
MOS-IC
Auto Power Control
IC201
MOS-IC
Buffer AMP (2nd IF DET)
IC202
ANALOGUE IC
IF IC
IC203
MOS-IC
Buffer AMP (RSSI/VAGC)
IC204
MOS-IC
1st Mixer
IC205
MOS-IC
Buffer AMP (BPF tune)
IC206
MOS-IC
Buffer AMP (BPF tune)
IC401
MOS-IC
Voltage Detector (BINT)
IC402
MOS-IC
Voltage regulator (33M)
IC403
MOS-IC
Voltage regulator (80C)
IC404
MOS-IC
Voltage regulator (50C)
IC405
ANALOGUE IC
DC/DC Converter (50M)
IC406
BI-POLAR IC
Voltage regulator (33C)
IC407
MOS-IC
Voltage regulator (33GPS)
IC408
MOS-IC
Voltage regulator (33A)
IC409
MOS-IC
Voltage regulator (15M)
IC410
ANALOGUE IC
DC/DC Converter (150C)
IC501
ROM IC
FLASH ROM
IC502
MCU
DSP(BGA)
IC503
SRAM IC
SRAM(BGA)
IC504
MOS-IC
RTC
IC505
MOS-IC
DELAY
IC506
MOS-IC
RESET(CPU)
IC507
MOS-IC
Bus Buffer (BFSX2)
IC508
MOS-IC
Buffer AMP (18.432MHz)
IC509
MOS-IC
Bus Buffer (BER CLK/BER DATA)
IC510
MOS-IC
MCU (BGA)
IC511
MOS-IC
AND (PCS_RF/HD2)
IC512
MOS-IC
LEVEL SHIFT (AND ITXD1/SCTXD)
IC513
MOS-IC
Buffer AMP (TXD2)
IC514
MOS-IC
LEVEL SHIFT (I2CCK/I2CDT)
IC515
MOS-IC
LEVEL SHIFT (TXDO/RTSO)
COMPONENTS DESCRIPTION
Display unit (X54-3640-10)
Ref. No.
Part Name
Description
IC901
MOS-IC
AFO/BLC SW
IC902
MOS-IC
AF Buffer AMP (AFO)
IC903
MOS-IC
Voltage regulator (5C)
IC904
MOS-IC
Voltage regulator (33C)
IC905
MOS-IC
Bus Buffer (TXD0)
IC906
MOS-IC
DC/DC Converter (N100C)
IC907
MOS-IC
Dual Bus Buffer (RXD0/RXD1)
IC908
MOS-IC
AND Gate (TXD1/RXD0)
IC909
MOS-IC
Buffer AMP (LCD Contrast ADJ)
IC910
MOS-IC
Bus Buffer (D0-D7)
IC911
MOS-IC
MCU
IC912
MOS-IC
Bus Buffer (A1-A2)
IC913
ROM IC
Flash ROM
Q901
FET
AFO SW
Q902
TRANSISTOR
HK/RXD0 SW
Q904
TRANSISTOR
HK/RXD0 SW
Q905
TRANSISTOR
TX/RX LED (TX)
Q906
TRANSISTOR
TX/RX LED (BUSY)
Q908
TRANSISTOR
LCD BACK LIGHT SW
Q909
TRANSISTOR
DIMER SW (LCD BACK LIGHT)
Q910
TRANSISTOR
LCD BACK LIGHT SW
Q911
FET
DIMER SW (LCD BACK LIGHT)
Q913
FET
LCD RESET SW
D901
VARISTOR
Surge absorption (DM/KVL)
D902
VARISTOR
Surge absorption (HK/RXD)
D903
ZENER DIODE
OVER DC Supply protection
D904
VARISTOR
Surge absorption (BLC/AFO)
D906
VARISTOR
LINE protection (SB)
D907
ZENER DIODE
OVER DC Supply protection
D908
DIODE
KEY MATRIX
D910
DIODE
Reverse Current Prevention (HK/RXD)
D911,912
DIODE
KEY MATRIX
D913
DIODE
LINE protection (PTT/TXDO)
D914
LED
TX/RX LED
D915~926
LED
LCD BACK LIGHT
D927~936
LED
KEY BACK LIGHT
D937
DIODE
LEVEL SHIFT (PRST)