90
NX-200
BLOCK DIAGRAM
DSP
IC102
Flash
ROM
IC101
SRAM
IC103
IC108
ASIC
D0~15,A0~20,/RD,/WR,/CS0,/CS2,/CS3,/CS4/HDS2,/HRDY
RTC
IC106
RV5C386A
I2CCK,I2CSDA
I/O Expander
IC701
BUS SW
CN1
to
LCD
Module
IC401 TC74LCX245FK
IC402 TC7WZ245FK-F
33M
IC1
NJM2130F3-ZB
–10V
LCDCNT
X101 32.768kHz
SM5023CNDH-G
IC107
VC
TCXO
X102
18.432MHz
33M
BSHIFT
33A
33M
RESET
IC105
XC6109C29ANN
33M
IF_DET
LPF
LPF
BPF
IC711
TC75W51FK(F)(2/2)
AMP
Q704
2SC4617(S)
IC702
TC75W51FK(F)(1/2)
IC702
TC75W51FK(F)(2/2)
DAC
IC703
M62364FP-F(7/8)
LPF
IC704
TC75S51FE(F)
IC707
TC7W53FK(F)
AMT
/SCSW
DAC
IC703
M62364FP-F
33A
SDO0,SCK0
/EVCS
AI
fro
SW
TONESW
Q702
SSM3K15TE(F)
TONE
SUM
DTI
fr
om
ANI
IC710
TC75W51FK(F)(1/2)
LPF
IC706
TC75S51FE(F)
MIC
RXAF
LPF
LPF
MOD
IC705
TC75W51FK(F)(2/2)
IC705
TC75W51FK(F)(1/2)
TV1
TV2
KEY Matrix
(12key)
KEYO
0,1,2,3
/KEYI
0,1,2,3,4
/OINT
CN710 26pin Option Board
OPT1,2,3,4,
OPT5,6,7,8,11
TXO
TXI
RXEO
RXEI
DTI
OPT9
POW
5A
AI
AO
OPT10
26P_TD
26P_RD
/DRST,DCLK,/SYMTIM,/RSSITIM,
/DINT,/SWUP,FSDET,/HINT
/LCDRST
MCD1AF,/MCSCKAF,/MCCSAF,MCD0AF,MCD1CN,
/MCCXCN,/MCD0CN,/MCCSRCN,MCSCKCN
D3,4,7,8
LCD Back Light
BL_SB
CN701 (for pr
oduction)
TO DSP
/EMG , /PTT , Side_1 , Side_2,Side_G , IFC ,
5RC , 5TC , /DSW , /APCSW,SBC , /T_R ,
ASSIST , SDO1 , SCK1 , PLD
CN404
50pin
Boar
d to
Boar
d
ASQDET
VOX
VOL
BATT
PFKEY
RSSI , THP , VAGC , CV , S-DET
TXD0
RXD0
RTS0
CTS0
DSR
/PTT
/UDET
RXD3
ENC1
ENC2
ENC3
ENC4
/BINT
/PSW
BLC
MM
SCSW
/AMT
STSW
EXAMT
INAMT
BEEP
TONESW
/MNDNU
5UC
+B
15M
(3/8,4/8)
ASQAPC
AVR
SB2
BLC
5A
Q1 2SA1362-F(GR)
Q2 2SC4617(S)
Q3 SSM3K15TE(F)
D1,2,5,6,9,10
12key Back Light
AVR
SB2
BLC
5A
Q101 2SA1832(GR)F
Q102 2SC4617(S)
Q103 SSM3K15TE(F)
/RINT
32K
DC SW
DC SW
LED-G
LED-R
SBC
Q415
EMD12
Q414
EMD12
SBC
Control unit (X53-4260-XX)