98
NXR-710
BLOCK DIAGRAM
CN42
CN43
MCU
IC20
Squelch DAC
IC14
AK4386VTP
RTC
IC17
R2023T
I/O Expander
IC22
MCP23017TE/ML
AUXIO[1~6]
/RST
ST
X
X2
32.768kHz
LEVEL CONVERTOR
(3.3V
↔
5V)
IC19
TC7MBD3245AFK
/FRST_IO
AI[1~3]
SC, EXT_MON
I2C_5V
IOINT_5V
/IOINT, EPTT, HK
RXD0, RXD2
LEVEL CONVERTOR
(3.3V
→
5V)
IC18
TC74VHCT244AFK
BUFFER
IC21
ADM101EARMZ
TXD0_RS
RXD0_RS
EPTT_5V
PTT, TXD0, TXD2
RXD2_DIS
TXD0_RS, RXD0_RS
MODDAC
DAC
IC412
M62364FP-F
MOD
SPDAC
PWM1
RA
RD
/EVDSCS_EV,
SPSCLK1,
SPSD1
Power
AMP
LA4422-E
SPM
/AF_MUTE
DSUB25
VREF
VREF
VREF
VREF
VREF
VREF
TA
TD
to CN40 DISPLAY
BUFFER
IC16
SM5023CNDH-G
VCTCXO
X1
(18.432MHz)
/485_RE1, RXD1, TXD1, 485_DE1
/485_RE2, RXD3, TXD3, 485_DE2
LEVEL CONVERTOR
IC7:TC7WT125FUF
IC10:TC7SH125FU-F
LEVEL CONVERTOR
IC8:TC7WT125FUF
IC11:TC7SH125FU-F
TRANSCEIVER
TRANSCEIVER
IC4
N_SYNC1_A, N_SYNC1_B
N_SYNC2_A, N_SYNC2_B
ISL8485EIBZ
IC5
ISL8485EIBZ
LRCLK,
BICLK
_CLK
LDR
ADC1
TEST/SPKR
VREF
TD_SW
/EVDSCS
STR_SEL
/EVDSCS_EV
SR_STR
_
STR_SEL
SR_STR_DIS
VLI_DIS
VLI
RAMP_TX
RAMP
N802
N39
OSC
X500
19.2MHz
1dB ATT
1dB ATT
x3
Q202
2SC5636
IF-IC
IC403
NJM2287V
57.6MHz
RX
VCO/PLL
REF
3dB ATT
194.05~
232.05MHz
10MHz or 19.2MHz
MIX
IC300
ADL5350ACPZ
58.05MHz
AGC
CN41
CN44
SB
/PSW
SR_OE_DIS
/PSW
AMP_B
/RXPCS
/PCS_DSP
RXPCS_TR
TX-RX
I2CCK, I2CDA
SPSCLK1, SPSD1
/RINT, 32K
A[0~21], D[0~15]
/RD, /WR, /CS0, /WP
A[0~17], D[0~7]
/RD, /WR, /CS2
A[0~20], D[0~15],
D, /WR, /HRDY, /CS3,
/HDS2
/MCCSXCN, /MCCSRCN,
MCDICN, MCDOCN, MCSCKCN
MCSCKAF, /MCCSAF,
MCDIAF, MCDOAF
/SYMTIM, /DINT, /DWUP, FSDET, /HINT
AO[1~5]
to MCU
IC20
CN38
LDR
SPSCLK0,SPSD0
RXVCOA/B,
/RXPCS_TR
RXASSIST
RX_CV
LOW PASS FILTER
LOW PASS FILTER
LOW PASS FILTER
LOW PASS FILTER
LOW PASS FILTER
BAND PASS FILTER
BAND PASS FILTER
RA
RD
TD
TD
TD
TA
MICADC1
SW
SW
SW
SW
SW
CF (Wide)
CF (VNarrow)
CF (Narrow)
X58-5070-10
to
LEVEL CONVERTOR
IC23
/FRST
T
Hz
CF
33A
15M
33M
XTAL_IN
TA
BSHIFT
SW
SW
IC407
TC7W53FK(F)
SW
IC402
Q405
AMP
IC27(A/2,B/2)
AMP
IC406(A/2,B/2)
NJM2732V
AMP
IC404(A/2)
NJM2732V
AMP
IC28
AMP
IC411(A/4)
NJM2734V
AMP
IC411(D/4)
NJM2734V
AMP
IC411(B/4)
NJM2734V
AMP
IC411(C/4)
NJM2734V
SELECTOR
AND GATE
IC26
SELECTOR
OR GATE
IC25
SELECTOR
NAND GATE
IC401
AMP
Q4
2SC4617(S)
AMP
IC15(A/2)
TC75W51FK(F)
AMP
IC13(A/2,B/2)
AMP
IC405(D/4)
NJM2734V
AMP
IC405(A/4)
REF AMP
IC405(B/4)
SELECTOR
AND GATE
IC24
TC7SH08FU-F
MIC
MICADC0
KEYI[0~2], KEYO[0~1]
RSSI
EXT_RSSI
AMP
IC15(B/2)
TC75W51FK(F)
CN5
N_SYNC
SPSCLK1_DIS, SPSD1_DIS
TXD2_DIS
IFR
AGC AMP
Q503
3SK294-FP
DETECTOR
D503
HSM88AS-E
EXT_IN
10MHz
AO[1~5]
SPO
SPI
SPO
TC75W51FK(F)
AMP
IC405(C/4)
NJM2734V
NJM2734V
NJM2734V
TC75S51FE(F)
AMP
IC404(B/2)
NJM2732V
TC7SET08FU-F
TC7SH32FU-F
TC7SH00FU-F
TC7S66FUF
DTC363EU
/DRST
B
A
A
C
BUFFER
Q501
2SC4617(R)
AMP
IC500 (A/2)
TC75W51FK(F)
AMP
IC500 (B/2)
TC75W51FK(F)
AMP
Q502
2SK3737-5
AMP
Q504
2SC4617(R)
1st Lo AMP
Q203
2SC5636
IF AMP
Q301
2SC5337
IF AMP
IC400
AD8051ART
BUFFER
IC401(A/2)
TC75W51FK(F)
IF AMP
IC404
MCP6021-E/0T
IC405
IC406
IC408
IC407
IC405~408: TC7W53FK(F)
AMP
IC201
LMC7101BIM5
CV AMP
IC200
TC75W51FK(F)
D504,505
JDP4P02AT
LNA AMP
Q101
2SC5337
BUFFER AMP
IC100
LMC7101BIM5
BUFFER AMP
IC101
LMC7101BIM5
RX ANTENNA
RSSI
IF
33A
Q6~10
136~174MHz
136~174MHz
DSP
TC75W51FK(F)
BER_CLK_5V
BER_DATA_5V
TMP, HWV1, HWV2, FWD, TXASSIST, RXASSIST, TX_CV, RX_CV, AGC, TXVCOB, TXCOA, RXCOA/B, LDT, LDR
/16_8PCS, /TXPCS, SPSCLK0, SPSD0, /EWP, /IOCS, /EVCS, SBC