Page 1: Table Of Contents
UHF DIGITAL BASE-REPEATER NXR-800 SERVICE MANUAL K5 version © 2014-4 PRINTED IN JAPAN RQ022 (K) B5B-7118-00 Lead wire with Badge Main panel connector (DSUB-9P) Modular jack (B43-1188-04) (A62-1142-02) (E37-1311-05) (E58-0526-05) Knob (VOL) (K29-4539-04) Lead wire with Lead wire with RF coaxial...
Page 2: General
Disclaimer While every precaution has been taken in the preparation Transceivers containing AMBE+2™ Vocoder: of this manual, JVC KENWOOD Corporation assumes no The AMBE+2™ voice coding technology is embedded in responsibility for errors or omissions. Neither is any liability the ﬁ rmware under the license of Digital Voice Systems, Inc.
Page 3: System Set-Up
Use this mode to make various settings by PC mode means of the FPU through the RS-232C 3-2. Connection Procedure port. 1. Connect the NXR-800 to the personal computer with the PC programming Use to read and write frequency data and interface cable. mode other features to and from the repeater.
Page 4 XP, Vista, 7 or 8 on a PC. You can only program ﬁ rmware from the DB-9 COM con- The data can be input to or read from NXR-800 and ed- nector on the front panel. Using the 25-pin logic interface on ited on the screen.
Page 5: Operating Features
NXR-800 OPERATING FEATURES • “E6” is displayed when no frame clock is entered. 1. Two 17-segment LED Displays • Channel display (1~30): While operating normally in user mode. • “E7” is displayed when the thermal protection occurs. • When the displayed channel is contained in scan se- quence, the right side decimal point is displayed.
Page 6: Installation
CN803 Fig. 2-1 Fig. 1 2. External Speaker (KES-5) The NXR-800 has a internal built-in speaker, and the ex- ternal speaker output from the TEST/SPKR connector (15- pin) on the rear of the radio is 3W/4Ω. Use external speaker KES-5.
Page 7 NXR-800 INSTALLATION Fig. 2-2 3. How to Attach the Supplied Accessories 1. Attach the front glass to the front panel with the supplied screw. ( a ) 2. To attach the handles on the both sides of the chassis, refer to illustration. ( b )
Page 8: Circuit Description
5.99MHz internal DDS, the 10MHz external reference signal 1. Outline and the 10MHz OCXO unit. The NXR-800 is a UHF repeater operating in the 368~ If no OCXO unit is installed, and there is no external ref- 400MHz frequency range.
Page 9 NXR-800 CIRCUIT DESCRIPTION 5V #3 IC401 CVT-REF OP-AMP 5V #3 IC404 5V #3 PLL IC 8V #2 8V #2 5V #1 5V #1 Internal TX Mod 19.2MHz 19.2MHz /External 19.2MHz 5.99MHz PLL circuit Ref circuit IC407 X401 Q417 Q416 Q412...
Page 10 NXR-800 CIRCUIT DESCRIPTION IC202 produces the transmitter main PLL 4.5MHz refer- 2-4. Transmitter DDS circuit ence frequency signal based on 19.2MHz on signal. The spurious output by IC202 is attenuated by CF201 The transmitter DDS circuit produces the transmitter and LPF, 4.5MHz reference frequency signal is ampliﬁ ed by main PLL reference frequency signal 4.5MHz.
Page 11 NXR-800 CIRCUIT DESCRIPTION 2-6. Driver circuit Q201 ampliﬁ es it by approximately 12dB. So, the output level is approximately 0dBm (1mW). The driver circuit ampliﬁ es the transmitter frequency sig- The Q201 output is ampliﬁ ed by Q202 by approximately nal to the level required for input to the Final Unit (X45-382 10dB.
Page 12 NXR-800 CIRCUIT DESCRIPTION 2-8. AVR circuit The temperature sensor (IC804) monitors the tempera- ture of the transmitter unit (X56-312 A/3). IC104, IC603, IC704, IC705, IC706, IC807, IC808, IC809 The D/A converters (IC701 and IC802) converts the AGC and IC810 are AVR ICs.
Page 13 NXR-800 CIRCUIT DESCRIPTION 3-2. Forward/Reﬂ ect power detector circuit 3-5. APC circuit The forward / Reﬂ ect power detector circuit consists of The APC circuit stabilizes the transmitter power so that a CM coupling type detection circuit formed by a Micro strip the output power speciﬁ...
Page 14 NXR-800 CIRCUIT DESCRIPTION 3-7. FAN action control circuit 3-10. Other circuits The FAN action control circuit consists of a FAN, a cur- Circuit IC9 saves various adjustment values of the Final rent detection resistance (R11), a Differential amplifier Unit in the EEPROM.
Page 15 NXR-800 CIRCUIT DESCRIPTION 4-2. 1st-Mixer circuit 4-3. 1st-IF circuits The unwanted out-of-band RF components produced The IF1 signal produced by the 1st-Mixer circuit is trans- by Q1 are attenuated by the BPF. Only the desired signal mitted through either one of two 1st-IF circuits with differ- is transmitted to the A1 Double Balanced Mixer (DBM).
Page 16 NXR-800 CIRCUIT DESCRIPTION CN42 QUAD IC20 (A/2) IC12 D17,18 Analog Wide 2nd local Analog Narrow 11 18 49.5MHz IC29 (A/2) IC30 2nd local 49.5MHz CN43 IC13 IC14 NXDN Narrow NXDN Very-Narrow Fig. 19 Demodulator circuits 4-5. Squelch circuit 4-6. Receiver DDS circuit The desired noise of the noise component output from IF The 19.2MHz Internal reference clock produced by trans-...
Page 17 NXR-800 CIRCUIT DESCRIPTION 4-7. Receiver PLL circuits Meanwhile, the 2nd-PLL circuit consists of the VCO (Q24), the Buffer amplifier (Q33), the RF amplifier (Q38, Q22), The receiver unit (X55-310) has the 1st-PLL circuit for and the PLL-IC (IC11). The 99.0MHz signal generated by controlling the VCO that generates the hetero signal to the Q24 is input to IC11 (pin5) as the Fin signal via Q38.
Page 18 NXR-800 CIRCUIT DESCRIPTION IC24 IC16 Q18,23 IC13 1st local amplifiers IF systemIC CN44 IC17 Q19,28 Q21,53 WIDE pass 2nd local amplifiers IC10 Q20,29 Narrow pass Pre-scaler IC22 IC15 IC12 IC14 +3.3V IF system IC 2nd IF amplifier IC25 IC18 IC5,11...
Page 19 NXR-800 CIRCUIT DESCRIPTION from the DISPLAY circuit (X56-312 B/3). 5. Baseband Signal Processing Part The baseband circuit is located on unit X53-413. This 5-4. Modulation circuit circuit enables the selection of the Analog Signal Processing (Analog/NXDN signal processing) mode and the Digital Signal Processing mode, and adjusts The transmitting audio signal goes to the input terminal the level of the baseband signals in each mode.
Page 20 (X56-312) and Final unit (X45-382). RS-232C circuit The RF control MPU controls these EEPROMs by the IIC NXR-800 is equipped with a RS-232C interface. It is bus. connected to a PC with pin 9 female RS-232C cross-wired cable. It uses the FPU and writes the ﬁ rmware. IC705 is a...
Page 21 NXR-800 CIRCUIT DESCRIPTION Modem control MPU band. So, it passes through the IF band limitation band. This signal is demodulated by the wave detection pro- Modem control MPU (IC325) is 16-bit single chip micro- cessing part. The demodulated wave is made to pass...
Page 22 R79 and IC7, and X53-414 IC308. If the voltage is reduced, ware of the Main MPU. these circuits interrupt the Modem control MPU (IC325) and NXR-800 rapidly shift to the power down state. The IC325 Flash memory (Modem control MPU) A/D converter (pin 124) monitors the voltage. It detects the IC314 is an 8M bit Flash memory and contains the ﬁ...
Page 23 NXR-800 CIRCUIT DESCRIPTION SRAM 12.288MHz from X300 is ampliﬁ ed by Q304, IC313 and becomes a clock for the RX DSP and TX_Vocoder DSP. IC700 is a memory backed up by a lithium battery (BA300). The memory size is 16M bits. It contains data required for the system backup.
Page 24: Components Description
NXR-800 COMPONENTS DESCRIPTION FINAL UNIT (X45-3820-14) Ref. No. Part Name Description Ref. No. Part Name Description IC27,28 Buffer Current monitor IC29 AF PA OP AMP IC30 NAND gate Voltage regulator IC31 Divider IC4~6 OP AMP IC32,33 Buffer Temperature sensor IC34...
Page 25 NXR-800 COMPONENTS DESCRIPTION Ref. No. Part Name Description Ref. No. Part Name Description Diode Surge protector IC727,728 Buffer Zener diode Surge protector Q301 Transistor DC switch D36,37 Diode Surge protector Q302 Transistor Power switch D38,39 Diode Diode switch Q303 Transistor...
Page 26 NXR-800 COMPONENTS DESCRIPTION TX UNIT (X56-3120-14) Ref. No. Part Name Description Transistor Ref. No. Part Name Description IC101 RF PLL Transistor PLL active ﬁ lter AMP IC102 OP AMP Transistor RF AMP IC104 Voltage regulator Transistor PLL active ﬁ lter AMP...
Page 27 NXR-800 COMPONENTS DESCRIPTION Ref. No. Part Name Description Ref. No. Part Name Description Q106 Transistor RF AMP Q931,932 Transistor Audio level limiter Q107~109 Transistor DC switch Q960~976 Transistor DC switch Variable Capaci- Q110 DC switch D101,102 Frequency control tance diode...
Page 28: Terminal Function
NXR-800 TERMINAL FUNCTION Final Unit (X45-3820-14) (A/5) Pin No. Name Function Pin No. Name Function D_GND Digital ground CN1 (To X56-312 A/3 CN802) I/O Data input/output for EEPROM TX SIGNAL TX driver input signal (Coaxial) D_GND Digital ground CN2 (To X45-382 C/5 CN29)
Page 29 NXR-800 TERMINAL FUNCTION Control Unit (X53-4130-10) Pin No. Name Function Pin No. Name Function CN2 (To X53-414 CN402) CN1 (To X53-414 CN401) System reset signal from modem con- SYS_RST trol MPU PTT_TXD_SCM No connection Ground Ground BER_CLK Serial clock for measurement bit error rate...
Page 30 NXR-800 TERMINAL FUNCTION Pin No. Name Function Pin No. Name Function CN3 (To X56-312 B/3 CN921) CN56 (To X56-312 A/3 CN804) O 8V constant voltage Ground Ground Ground O 8V constant voltage O POCSAG Switch O 8V constant voltage Ground...
Page 31 NXR-800 TERMINAL FUNCTION Pin No. Name Function Pin No. Name Function External press-to-talk switch input E2PROM_SDA I/O Data of EEPROM EPTT “L”=PTT on, “H”=PTT off CONT_5.0V 5V constant voltage Programmable function input 1 E2PROM_SCL O Clock of EEPROM Squelch control output...
Page 32 NXR-800 TERMINAL FUNCTION Pin No. Name Function Pin No. Name Function O Auxiliary output 3 Ground Serial data input from potentiometer of O Speaker AF output OX_SDI2 OCXO unit O Auxiliary output 2 Ground O Speaker AF output Serial data enable signal to potentio-...
Page 33 NXR-800 TERMINAL FUNCTION Pin No. Name Function Pin No. Name Function INRA_SW No connection 33SH O 3.3V constant voltage No connection 50MPU_CONT O 5V regurator control HOOK_RXD_SCM Hook detection input No connection Power source control of audio power “External press-to-talk-switch” signal...
Page 34 NXR-800 TERMINAL FUNCTION Pin No. Name Function Pin No. Name Function CN42 (To X53-413 CN57) Power supply input Ground CN45 (To X56-312 A/3 CN406) Ground REF1 Reference signal input No connection CN46 RX_POWER_SAVE RX power save Use for RX MCF tuning...
Page 35 NXR-800 TERMINAL FUNCTION Pin No. Name Function Pin No. Name Function Serial data output for OCXO IC3 (po- CN805 (To X53-414 CN400) OX_SDO2 tentiometer) Ground Ground Ground REF_SW2 O OCXO reference signal output switch 33MPU Switched 3.3V power supply CN804 (To X53-413 CN56)
Page 36 NXR-800 TERMINAL FUNCTION Pin No. Name Function Pin No. Name Function Ground 50MPU O Switched 5V power supply D_GND Ground O Shift Register Strobe I/O EEPROM Data SR_OE O Shift Register Output Enable D_GND Ground SR_CLK O Shift Register Clock...
Page 37 NXR-800 TERMINAL FUNCTION TX Unit (X56-3120-14) (C/3) Pin No. Name Function 8V Power supply Pin No. Name Function Ground CN960 (To X56-312 B/3 CN920) 8V Power supply 8V Power supply CN923 (To X45-382 E/5 CN905) Ground VOLUME_IN Volume control input for AF signal...
Page 38 NXR-800 TERMINAL FUNCTION Microphone Connector Signal Description /port Pin Name I/O Speciﬁ cation Unit Remarks Type Type Related to DC power Voltage value 10.8 13.8 15.9 Power Power supply terminal input Allowable current value voltage. Digital GND Allowable current value 0.8Vcc...
Page 39 NXR-800 TERMINAL FUNCTION CONTROL I/O D-sub 25-pin Connector Signal Pin Name I/O Signal Summary Speciﬁ cation Unit Remarks Type NC (RSSI) 0.8Vcc Programmable Vcc=5V±2% Digital Function Input 1 0.2Vcc /CMOS Ω Input impedance 47kΩ PU to Vcc 0.8Vcc Programmable Vcc=5V±2%...
Page 40 NXR-800 TERMINAL FUNCTION Signal Pin Name I/O Signal Summary Speciﬁ cation Unit Remarks Type TX Signal GND 0.8Vcc Vcc=5V±2% 0.2Vcc Programmable Ω Digital Input impedance Function I/O 1 VOH (IO=–200µA) Vcc–2.0 47kΩ PU to Vcc VOL (IO=200µA) 0.45 0.8Vcc Vcc=5V±2% 0.2Vcc...
Page 41 NXR-800 TERMINAL FUNCTION TEST/SPKR 15-pin Connector Con- Signal ﬁ guration Signal Summary Speciﬁ cation Unit Remarks Name Type Change Related to DC Voltage value 10.8 13.8 15.9 power supply Power Supply terminal input Supply current voltage. Related to DC Voltage value 10.8...
Page 42: Parts List
NXR-800 PARTS LIST indicates safety critical components. L : Scandinavia K : USA P : Canada Parts without Parts No. are not supplied. Y : PX (Far East, Hawaii) T : England E : Eu rope Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Page 43 NXR-800 PARTS LIST FINAL UNIT (X45-3820-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation C93-0599-05 CHIP C 470PF C158 C93-0557-05 CHIP C 7.0PF CK73GB1H471K CHIP C 470PF C161 CC73FCH1H080D CHIP C 8.0PF...
Page 44 NXR-800 PARTS LIST FINAL UNIT (X45-3820-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation RK73GB2A332J CHIP R 3.3K 1/10W R105 RK73GB2A000J CHIP R 1/10W R106 RK73GB2A474J CHIP R 470K 1/10W...
Page 45 NXR-800 PARTS LIST FINAL UNIT (X45-3820-14) CONTROL UNIT (X53-4130-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation SSM3J01F C102 CC73GCH1H150J CHIP C 15PF 2SJ506-E(S) C103 CC73GCH1H101J CHIP C 100PF SSM3K15TE(F)
Page 46 NXR-800 PARTS LIST CONTROL UNIT (X53-4130-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation C213 CK73GB1H103K CHIP C 0.010UF C321 CC73GCH1H101J CHIP C 100PF C215 CK73GB1H104K CHIP C 0.10UF C322,323...
Page 47 NXR-800 PARTS LIST CONTROL UNIT (X53-4130-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation C421 CC73GCH1H101J CHIP C 100PF RK73GB2A183J CHIP R 1/10W C422-424 CK73GB1H102K CHIP C 1000PF RK73GB2A823J CHIP R...
Page 48 NXR-800 PARTS LIST CONTROL UNIT (X53-4130-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation R166 RK73GB2A333J CHIP R 1/10W R301,302 RK73GB2A104J CHIP R 100K 1/10W R167 RK73GB2A473J CHIP R 1/10W...
Page 49 NXR-800 PARTS LIST CONTROL UNIT (X53-4130-10) CONTROL UNIT (X53-4140-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation D1 ,2 CMS05-Q DIODE Q7 ,8 RT1N141M-T111 TRANSISTOR D3 ,4 DA204U DIODE 2SJ506-E(S)
Page 50 NXR-800 PARTS LIST CONTROL UNIT (X53-4140-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation C391 CK73GB1E105K CHIP C 1.0UF C567 CK73HB1E103K CHIP C 0.010UF C393-395 CK73HB1H102K CHIP C 1000PF C569...
Page 51 NXR-800 PARTS LIST CONTROL UNIT (X53-4140-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation C801 CK73HB1H102K CHIP C 1000PF R302 RK73HB1J000J CHIP R 1/16W C802,803 CK73HB1A104K CHIP C 0.10UF R303...
Page 52 NXR-800 PARTS LIST CONTROL UNIT (X53-4140-10) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation R535-539 RK73HB1J000J CHIP R 1/16W R680 RK73HB1J473J CHIP R 1/16W R540-542 RK73HB1J473J CHIP R 1/16W R685-687...
Page 53 NXR-800 PARTS LIST CONTROL UNIT (X53-4140-10) RX UNIT (X55-3100-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation R834 RK73HB1J104J CHIP R 100K 1/16W IC308 XC61CN2702N-G MOS-IC R835 RK73HB1J000J CHIP R...
Page 54 NXR-800 PARTS LIST RX UNIT (X55-3100-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation CC73GCH1H151J CHIP C 150PF C103 CC73GCH1H060D CHIP C 6.0PF CC73GCH1H271J CHIP C 270PF C104 CC73GCH1H471J CHIP C...
Page 55 NXR-800 PARTS LIST RX UNIT (X55-3100-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation C171 CK73GB1H104K CHIP C 0.10UF C248 CC73GCH1H471J CHIP C 470PF C172 CK73GB1H473K CHIP C 0.047UF C249 CC73GCH1H080D CHIP C 8.0PF...
Page 56 NXR-800 PARTS LIST RX UNIT (X55-3100-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation C319 CK73GB1H103K CHIP C 0.010UF C396 CK73GB1H104K CHIP C 0.10UF C320 CE32BM1E470M CHIP EL 47UF 25WV...
Page 57 NXR-800 PARTS LIST RX UNIT (X55-3100-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation C461 CC73GCH1H221J CHIP C 220PF C534 CE32CL1V100M CHIP EL 10UF 35WV C462 CK73GB1H104K CHIP C 0.10UF...
Page 58 NXR-800 PARTS LIST RX UNIT (X55-3100-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation C620 CK73GB1H102K CHIP C 1000PF CN47 E41-2735-05 PIN ASSY C621 CK73GB1H104K CHIP C 0.10UF CN61 E23-1280-05...
Page 59 NXR-800 PARTS LIST RX UNIT (X55-3100-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation L41-1575-33 SMALL FIXED INDUCTOR(0.015UH) L122 L41-1585-33 SMALL FIXED INDUCTOR(0.15UH) L41-8295-33 SMALL FIXED INDUCTOR(8.2UH) L123 L41-3395-33 SMALL FIXED INDUCTOR(3.3UH) L41-1075-33 SMALL FIXED INDUCTOR(0.01UH)
Page 60 NXR-800 PARTS LIST RX UNIT (X55-3100-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation RK73GB2A000J CHIP R 1/10W R112 RK73GB2A102J CHIP R 1.0K 1/10W R114 RK73GB2A102J CHIP R 1.0K 1/10W...
Page 61 NXR-800 PARTS LIST RX UNIT (X55-3100-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation R181 RK73GB2A102J CHIP R 1.0K 1/10W R248 RK73GB2A332J CHIP R 3.3K 1/10W R183 RK73GB2A102J CHIP R 1.0K...
Page 62 NXR-800 PARTS LIST RX UNIT (X55-3100-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation R325 RK73GB2A104J CHIP R 100K 1/10W R403 RK73GB2A000J CHIP R 1/10W R326 RK73GB2A000J CHIP R 1/10W...
Page 63 NXR-800 PARTS LIST RX UNIT (X55-3100-14) TX UNIT (X56-3120-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation IC20 BA4558RFVM BI-POLAR IC SSM3K15AMFV IC22 XC6204B332M-G MOS-IC SSM3K15AMFV IC23 BH2220FVM ANALOGUE IC...
Page 64 NXR-800 PARTS LIST TX UNIT (X56-3120-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation C146 CC73GCH1H471J CHIP C 470PF C214 CC73GCH1H471J CHIP C 470PF C147 CC73GCH1H0R5B CHIP C 0.5PF C215...
Page 65 NXR-800 PARTS LIST TX UNIT (X56-3120-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation C287 CK73GB1H104K CHIP C 0.10UF C361 CK73GB1H104K CHIP C 0.10UF C301 CS77MA1C2R2M CHIP TNTL 2.2UF 16WV...
Page 66 NXR-800 PARTS LIST TX UNIT (X56-3120-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation C445 CS77MA1VR22M CHIP TNTL 0.22UF 35WV C506 CC73GCH1H820J CHIP C 82PF C446 CK73FB1E473K CHIP C 0.047UF K...
Page 67 NXR-800 PARTS LIST TX UNIT (X56-3120-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation C575 CC73GCH1H180J CHIP C 18PF C712 CC73GCH1H471J CHIP C 470PF C576 CC73GCH1H180J CHIP C 18PF C713...
Page 68 NXR-800 PARTS LIST TX UNIT (X56-3120-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation C922 CK73GB1H104K CHIP C 0.10UF CN923 E41-1483-05 PIN ASSY C923 CK73GB1H104K CHIP C 0.10UF CN960 E41-1493-05...
Page 69 NXR-800 PARTS LIST TX UNIT (X56-3120-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation L314 L41-1005-33 SMALL FIXED INDUCTOR(10UH) CP966 RK74GB1J102J CHIP-COM 1.0K 1/16W L401 L41-1095-33 SMALL FIXED INDUCTOR(1.0UH) CP970 RK74GB1J102J CHIP-COM 1.0K...
Page 70 NXR-800 PARTS LIST TX UNIT (X56-3120-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation R265 RK73GB2A471J CHIP R 1/10W R186 RK73GB2A103J CHIP R 1/10W R266 RK73GB2A000J CHIP R 1/10W R187...
Page 71 NXR-800 PARTS LIST TX UNIT (X56-3120-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation R349 RK73GB2A104J CHIP R 100K J 1/10W R452 RK73GB2A000J CHIP R 1/10W R350 RK73GB2A104J CHIP R...
Page 72 NXR-800 PARTS LIST TX UNIT (X56-3120-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation R522 RK73GB2A822J CHIP R 8.2K 1/10W R592 RK73GB2A473J CHIP R 1/10W R523 RK73GB2A221J CHIP R 1/10W...
Page 73 NXR-800 PARTS LIST TX UNIT (X56-3120-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation R801 RK73GB2A102J CHIP R 1.0K 1/10W R932 RK73GB2A000J CHIP R 1/10W R802 RK73GB2A104J CHIP R 100K J...
Page 74 NXR-800 PARTS LIST TX UNIT (X56-3120-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation D608 1SV308 DIODE Q104 2SC3356-A(R24) TRANSISTOR D933 HSM88AS-E DIODE Q105 2SC4116(BL)F TRANSISTOR D934 HSM88AS-E DIODE Q106...
Page 75 NXR-800 PARTS LIST TX UNIT (X56-3120-14) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description nation nation Q921 UMG1N TRANSISTOR Q922 UMG1N TRANSISTOR Q923 UMG1N TRANSISTOR Q924 UMG1N TRANSISTOR Q925 UMG1N TRANSISTOR Q926...
Page 76: Exploded View
NXR-800 EXPLODED VIEW IC12 : N09-2292-05 IC11 D : N30-2606-48 (M2.6 x 6) : N30-3035-43 (M3 X 35) X45-382 : N32-3006-43 (M3 x 6) G : N32-4008-43 (M4 x 8) IC10 H : N67-3008-48 (M3 x 8) 703x3 : N80-2006-43 (Ø2 x 6) : N80-2608-43 (Ø2.6 x 8)
Page 77 NXR-800 EXPLODED VIEW 17x3 45-382 IC329 X53-414 IC808 IC29 IC24 IC25 X53-413 703x4 X55-310 EXCITER FINAL CONTROL Parts with the exploded numbers larger than 700 are not supplied. If a part reference number is listed in a box on the exploded view of the PCB, that part does not come with the PCB.
Page 78: Packing
NXR-800 PACKING 10 Instruction manual (B62-1994-30) 36 Blade fuse (7.5A/32V) Protection bagx2 (F05-7521-05) 54 Bracket (Side) 34 15P plug (J29-0725-04)x2 (E37-1381-05) Pamphlet Protection bagx4 Protection bag 3 Front glass (B10-2781-04) 58 Handle (K01-0421-05) Protection bag Protection sheet A Dressed screw...
Page 79: Trouble Shooting
Connect a cross-wired RS-232C cable to COM port on *2: Appearing this information means the boot program at the front panel of NXR-800. Plug the other end of the the RF control MPU (IC34) is correctly working. cable to PC. (See Fig. 2.)
Page 80 NXR-800 TROUBLE SHOOTING 1-2. Hardware Traceability (Method 1) Procedure for IC703 (Main MPU) traceability Abnormal Power Source Voltage Conﬁ rmation of IC329 (pin 5) output condition Test Point Normal Output Voltage Remove R711 and R721. IC329 (pin 4) 3.3VDC If the voltage is 3.3VDC, IC703 is malfunctioning.
Page 81 NXR-800 TROUBLE SHOOTING Traceability Procedure of IC323 (RX_DSP) Conﬁ rmation of Power Source Voltage Abnormal Conﬁ rmation of IC307 (pin 1) output condition Test Point Normal Output Voltage Remove R505. If the output voltage is 1.5VDC, IC307 (pin 1) 1.5VDC IC323 is malfunctioning.
Page 82 NXR-800 TROUBLE SHOOTING Traceability Procedure of IC17 (Flash Memory of RF control MPU) Abnormal Conﬁ rmation of Power Source Voltage Conﬁ rmation of IC329 (pin 5) output. condition Test Point Normal Output Voltage Remove R159 and if 3.3VDC, one of IC17, IC34, IC329 (pin 5) 3.3VDC...
Page 83 Correct condition Parts other than IC34 are malfunctioning. 1-3. Hardware traceability (Method 2) The NXR-800 control circuit executes the following pro- 5. The Main MPU (IC703) conﬁ rms the operational status of cedures when the system starts up. the Modem control MPU (IC325) and the RF control MPU (IC34) by using 115.2kbps UART communications and...
Page 84 NXR-800 TROUBLE SHOOTING External DC 13.8V Power Source applied to the NXR-800 Terminal Refer to the power supply diagram sequence below. Audio AMP (IC29) DC/DC converter LED, Option (IC10, Q2) 50MPU 5V_AVR (IC16) RF_Control_MPU I/O (IC34) Switched by Modem Control...
Page 85 NXR-800 TROUBLE SHOOTING Start-up of each Control Block • Modem Control MPU Block • Main MPU Block Component elements: · Modem control MPU: IC325 Component elements: · Flash memory: IC314 · Main MPU: IC703 · RX DSP: IC323 · Flash memory: IC702 ·...
Page 86 X53-414 Note: For the X53-414, a UPC code and UPC barcode is Control Unit (X53-413) not printed on the KENWOOD ESN Label. If necessary, cut the label at the cut-off line and attach only the serial number. Control Unit (X53-414)
Page 87: Adjustment
NXR-800 ADJUSTMENT Test Equipment Required for Alignment Test Equipment Major Speciﬁ cations Frequency Range 300 to 512MHz 1. Standard Signal Generator Modulation Frequency modulation and external modulation (SSG) Output 0.1µV to greater than 1mV Input Impedance 50Ω 2. RF Power Meter...
Page 88 NXR-800 ADJUSTMENT Flat cable (36-pin) about 256mm (E37-0979-05) 2.5MHz 2.5MHz 3dB max. ANT Jig for BPF adjustment (E30-3418-08) BPF center frequency (Production default):384MHz Pass bandwidth: ±2.5MHz at 3dB Fig. 1 7.5kHz 7.5kHz Test Signaling Analog max. More RX (Decode Signaling)
Page 89 NXR-800 ADJUSTMENT Adjustment Points TX IN PWR CONT PA CURR PWR PRT ANT SW CN19 FINAL UNIT (X45-3820-14) RX ANT Component side VR1: Coupler ADJ VR2: High Transmit Power (Pre ADJ) CN46 CN40 L132 L133 L134 L135 CN41 RX UNIT (X55-3100-14)
Page 90 NXR-800 ADJUSTMENT Alignment Measurement Adjustment Item Condition Speciﬁ cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1. Setting 1) Connect the DC power output to the rear panel DC terminal (13.8V). 2) Connect the front panel COM port (D-sub 9-pin connector) to the PC serial port with a cross-wied cable.
Page 91 NXR-800 ADJUSTMENT Measurement Adjustment Item Condition Speciﬁ cations / Remarks Test- Unit Terminal Unit Parts Method equipment 9. Transmit 1) A: Low Check 0.9V or more VCO Lock Voltage 2) A: High 4.2V or less (Check) 3) B: Low 0.9V or more 4) B: High 4.2V or less...
Page 92 NXR-800 ADJUSTMENT Measurement Adjustment Item Condition Speciﬁ cations / Remarks Test- Unit Terminal Unit Parts Method equipment 15. High 1) Low Power meter Rear TX ANT Value: 1024 Fixed value writing Transmit Power (Pre ADJ) Final 5.0W ±0.5W 16. Coupler...
Page 93 NXR-800 ADJUSTMENT Measurement Adjustment Item Condition Speciﬁ cations / Remarks Test- Unit Terminal Unit Parts Method equipment 21. Maximum 1) Channel: 3 (Center) Deviation Rear TX ANT ±4.1kHz ±0.2kHz Deviation Wide/Narrow: Analog Wide meter Front (Analog) Connect the deviation meter Connect the deviation me- to the TX ANT end via the ATT.
Page 94 NXR-800 ADJUSTMENT Measurement Adjustment Item Condition Speciﬁ cations / Remarks Test- Unit Terminal Unit Parts Method equipment 23. QT 2) Channel: 3 (Center) Deviation Rear TX ANT ±0.35kHz ±0.05kHz Deviation Wide/Narrow: Analog Narrow meter 24. DQT 1) Channel: 3 (Center)
Page 95 NXR-800 ADJUSTMENT Measurement Adjustment Item Condition Speciﬁ cations / Remarks Test- Unit Terminal Unit Parts Method equipment 27. DTMF 1) Channel: 3 (Center) Deviation Rear TX ANT ±2.85kHz ±0.05kHz Deviation Wide/Narrow: Analog Wide meter Connect the deviation meter Connect the deviation me- to the TX ANT end via the ATT.
Page 96 NXR-800 ADJUSTMENT Measurement Adjustment Item Condition Speciﬁ cations / Remarks Test- Unit Terminal Unit Parts Method equipment 30. Transmit 2) Channel: 3 (Center) Deviation Rear TX ANT ±1.50kHz ±0.02kHz Audio Input Wide/Narrow: Analog Narrow meter CONTROL (TA) I/O jack TA (pin 9) 31.
Page 97 NXR-800 ADJUSTMENT Measurement Adjustment Item Condition Speciﬁ cations / Remarks Test- Unit Terminal Unit Parts Method equipment 35. RA Level 2) Wide/Narrow: Analog Narrow Rear RX ANT 400mV ±20mV SSG setting AF V.M CONTROL DEV: ±1.5kHz I/O jack RA (pin 11) 36.
Page 98 NXR-800 ADJUSTMENT Measurement Adjustment Item Condition Speciﬁ cations / Remarks Test- Unit Terminal Unit Parts Method equipment 38. Open 2) SSG output: OFF Rear RX ANT Check The squelch shall be Squelch Oscilloscope TEST/ closed. Audio SPKR jack analyzer SPO (pin 12) 4Ω...
Page 99 To adjust the KXK-3 OCXO unit, some preparations are required. 1. The NXR-800 with the KXK-3 OCXO unit must be warmed up at least 24 hours before the adjustment is made. The environment temperature must be stable. 2. The frequency counter (or reference oscillator) must be warmed up as deﬁ ned by the equipment manufacturer.
Page 100: Pc Board
NXR-800 PC BOARD FINAL UNIT (X45-3820-14) Component side view (J79-0372-09) IC12 IC11 C190 ANT SW C189 REFLECT CN19 C102 MONITOR C104 C124 C149 C105 C123 C900 J901 – C916 R909 C904 C901 C915 R905 C913 R906 R907 – CN905 J79-0372-09 E/5 J79-0372-09 B Ref.
Page 101 NXR-800 PC BOARD FINAL UNIT (X45-3820-14) Component side view (J79-0372-09) CN20 SIGNAL PWR CONT R148 R142 PA CURR PWR PRT C128 R104 C115 C127 FORWARD C141 J79-0372-09 A/5 CN28 CN30 – – – 3 SB CN27 CN29 C188 – J79-0372-09...
Page 102 NXR-800 PC BOARD FINAL UNIT (X45-3820-14) Foil side view (J79-0372-09) J79-0372-09 A/5 – – CN24 CN23 – CN26 CN25 – J79-0372-09 J79-0372-09 B/5 Ref. No. Address Ref. No. Address Ref. No. Address IC15 D902 IC702 IC703...
Page 103 NXR-800 PC BOARD FINAL UNIT (X45-3820-14) Foil side view (J79-0372-09) C170 R106 R138 R137 R110 R136 C167 C150 IC15 R139 R107 C108 CN23 C908 L900 C902 CN25 C914 J79-0372-09 E/5 9 B/5 Component side Layer 1 Layer 2 Layer 3...
Page 104 NXR-800 PC BOARD RX UNIT (X55-3100-14) Component side view (J79-0404-09) L132 L133 L134 L135 C147 C627 C131 C100 C109 CN15 CN23 CN27 R423 C113 R422 R364 C179 C206 C164 C154 C168 C158 C214 R116 C220 R103 C151 R106 C175 C195...
Page 105 NXR-800 PC BOARD RX UNIT (X55-3100-14) Component side view (J79-0404-09) CN46 L135 NARROW CN41 WIDE R175 R179 R166 C500 C335 R171 IC15 CN16 CN62 C357 C484 R174 R197 R192 C432 R178 R165 C334 R169 R367 R366 R257 R254 R163 C268...
Page 106 NXR-800 PC BOARD RX UNIT (X55-3100-14) Foil side view (J79-0404-09) C242 C235 C150 C141 C174 R462 C289 L141 C197 C254 C110 C117 R108 C212 C358 C218 R118 C224 C229 C140 C149 R459 C173 C166 C356 C196 C288 R107 C211 C253...
Page 107 NXR-800 PC BOARD RX UNIT (X55-3100-14) Foil side view (J79-0404-09) R410 R407 C624 C659 R295 C192 C176 R101 R115 C198 IC27 IC26 C227 R119 C548 C547 R133 C553 C552 R436 R142 C487 C671 R435 C302 IC18 R417 C503 R308 R307...
Page 108 NXR-800 PC BOARD TX UNIT (X56-3120-14) Component side view (J79-0405-09) C151 C811 C805 R801 C801 C812 L801 C803 CN806 C161 IC802 C809 IC803 C806 C802 R803 CN303 MB_CV1 C808 R802 IC801 CN115 CN116 CN109 CN119 CN107 CN105 D107 D108 R341...
Page 109 NXR-800 PC BOARD TX UNIT (X56-3120-14) Component side view (J79-0405-09) X401 IC809 8OCXO R418 C415 R415 R416 R414 C410 R412 C409 R410 R411 R404 Q401 IC808 L401 L402 C411 R409 C408 R403 C403 C406 C573 C578 C423 CN406 CN405 REF1...
Page 110 NXR-800 PC BOARD TX UNIT (X56-3120-14) Foil side view (J79-0405-09) C446 R503 C480 C435 C439 IC405 L414 C472 C468 R488 R484 R500 C451 R480 L604 C463 C465 R489 C447 C620 L413 C613 Q416 C461 L412 C462 L602 C623 C614 C456...
Page 111 NXR-800 PC BOARD TX UNIT (X56-3120-14) Foil side view (J79-0405-09) C154 R134 IC104 R137 R891 C158 C435 C427 R888 C439 L408 C160 L405 R889 C437 C425 Q412 R442 R475 C420 R434 IC302 C303 C305 IC306 C312 C321 R324 L301 C320...
Page 112 NXR-800 PC BOARD CONTROL UNIT (X53-4130-XX) -10 : K5 -11 : For service Component side view (J79-0011-29) C372 R550 R389 R551 CN56 SPG 2 R390 C166 + C170 C144 C141 R204 50MPU 50MPU R201 R202 R198 C405 R211 STB1 R208...
Page 113 NXR-800 PC BOARD CONTROL UNIT (X53-4130-XX) -10 : K5 -11 : For service Component side view (J79-0011-29) R535 C104 R534 4 SB C109 IC11 R108 CLEAR/ C106 CODE RXEO SCR_PTT RXEI SCRAMBLE C107 C108 R188 C130 IC10 R107 C105 AOUTL...
Page 114 NXR-800 PC BOARD CONTROL UNIT (X53-4130-XX) -10 : K5 -11 : For service Foil side view (J79-0011-29) R434 C500 C415 C403 C169 R171 R149 C189 R150 C446 C188 R457 R478 R415 C424 R441 C423 R154 C425 C426 R173 R459 R444...
Page 115 NXR-800 PC BOARD CONTROL UNIT (X53-4130-XX) -10 : K5 -11 : For service Foil side view (J79-0011-29) CN69 R475 R149 C204 C446 C188 R160 R161 R168 C477 R428 R429 C418 R430 C437 C419 R406 C396 R283 C212 C216 R195 C213...
Page 116 NXR-800 MEMO...
Page 117 NXR-800 PC BOARD CONTROL UNIT (X53-4140-XX) -10 : K5 -11 : For service CONTROL UNIT (X53-4140-XX) -10 : K5 -11 : For service Component side view (J79-0332-09) Component side view (J79-0332-09) CN713 IC329 C862 S700 R389 C443 C572 L325 IC306...
Page 118 CONTROL UNIT (X53-4140-XX) -10 : K5 -11 : For service Component side view (J79-0332-09) R960 L326 C871 R961 L327 C817 C785 C790 R834 IC724 D03 CF C872 D04 CF IC712 R897 D05 CF C784 D06 CF D07 CF CE1A CF IC713 A10 CF RD CF...
Page 119 IC329 C862 S700 R389 C443 C572 L325 IC306 C818 IC708 L314 Q707 IC725 Q700 R779 C773 C820 C703 IC710 C707 C569 R731 IC726 R733 R727 C728 C449 D03 CF IC308 D04 CF D05 CF D06 CF R388 L313 C814 D07 CF R735 CE1A CF C712...
Page 120 NXR-800 PC BOARD CONTROL UNIT (X53-4140-XX) -10 : K5 -11 : For service Component side view (J79-0332-09) CN713 C506 R442 R449 R423 R401 R487 R505 C526 C527 R535 C538 R530 R911 R686 R541 Q301 R403 R547 R446 R554 C504 R392...
Page 121 NXR-800 PC BOARD CONTROL UNIT (X53-4140-XX) -10 : K5 -11 : For service CONTROL UNIT (X53-4140-XX) -10 : K5 -11 : For service Foil side view (J79-0332-09) Foil side view (J79-0332-09) C574 R680 C861 C570 R730 C730 C747 R319 R318...
Page 122 NXR-800 PC BOARD CONTROL UNIT (X53-4140-XX) -10 : K5 -11 : For service Foil side view (J79-0332-09) C747 C588 C590 C592 C591 C594 C595 R517 C601 R622 R516 C598 R461 R631 R459 R460 R458 C599 C597 R417 C305 R457 C475...
Page 123 C574 R680 C861 C570 R730 C730 IC704 R885 C717 R517 R516 CN716 C864 C863 C437 C426 R417 R552 C475 C544 C471 R398 C442 R567 R569 R912 R527 Q303 CN700 R591 C808 IC707 R890 R935 C360 C359 C813 R934 C834 R951 IC728 Ref.
Page 124 CONTROL UNIT (X53-4140-XX) -10 : K5 -11 : For service Foil side view (J79-0332-09) R319 R318 C355 C362 Q706 IC302 R885 C815 R884 R387 R915 R914 R907 CP91 CP90 L320 C420 C821 C436 CP89 C800 CP88 R875 L318 CP87 R876 IC719 R829 R903...
Page 125 NXR-800 MEMO...
Page 126: Schematic Diagram
NXR-800 SCHEMATIC DIAGRAM POWER MODULE IC10 RA13H3340M131 FINAL UNIT(PA SECTION) (X45-3820-14)(A/5) TX H:3.8V TX H:13.7V L:3.3V L:13.8V TX:100mW RX :0V RX :13.8V RX:0W 3DB ATT TX UNIT C141 X56-312 (A/3)-CN802 RF IN 470p 470p 470p OVERVOLTAGE PROTECTION 02CZ5.6(Y)F L92-0179-05 0.01u...
Page 127 NXR-800 SCHEMATIC DIAGRAM FINAL UNIT (PA SECTION) (X45-3820-14) (A/5) TX H:5W ANT SW L:0.5W RX :0W RF SW RF SW DIRECTIONAL COUPLER C105 CN22 C122 C123 R125 TX ANT 470p L8103R L8103R FORWARD REFLECT CN19 C124 D14,15 RF SW TX:8V RX:0V TX H:3.3V...
Page 128 NXR-800 SCHEMATIC DIAGRAM RX UNIT(X55-3100-14) W:-93.2dBm N:-92.3dBm CN41 MONITOR_PORT W:-117.8dBm N:-116.6dBm 8.5V F10-2379-04 F10-2409-04 L132 L133 L134 L135 1.0V L79-1941-05 L79-1941-05 L79-1941-05 L79-1941-05 2SC5337(QR) C659 C624 C117 R410 R407 470p 100p 100p 8p(B) 120p 0.2V W02-1940-05 470p 470p 470p 470p...
Page 129 NXR-800 SCHEMATIC DIAGRAM RX UNIT (X55-3100-14) W:7.8V RF SW N:0.5mV W:7.4V N:0.5mV W:3.2V L112 RF AMP 1SV308 N:0.6mV L39-1476-05 W:3.7V N:5.2mV W:2.2V RF AMP RD01MUS1-T113 L71-0661-05 N:0.8mV 3.3u L71-0663-05 C140 C149 C166 C173 C234 C241 C288 C307 R459 3SK317-E 180n 0.01u...
Page 130 NXR-800 SCHEMATIC DIAGRAM RX UNIT (X55-3100-14) D13 1SV308 L128 DC SW L34-4725-05 L123 CN47 W:-75.7dBm N:-75.5dBm SSM3K15AMFV 3.3u R270 C470 1SV308 470p RF SW C459 LTA044EEBFS8 C573 R351 DC SW 220p 0.01u DETECTOR MA3J742 C461 C477 R285 C510 C577 220p 0.1u...
Page 131 NXR-800 SCHEMATIC DIAGRAM RX UNIT (X55-3100-14) RIPPLE FILTER AMP 2SC4116(BL)F OP-AMP R120 R128 LMC7101BIM5 VCO_A:368MHz 1.2V VCO_B:384MHz 1.05V CN63 OUTPUT INPUT+ 8.1V INPUT- R430 C113 R422 C175 6p(B) 100p OSCILLATOR FREQUENCY CONTROL 2SK508NV(K53) C142 8p(B) 0.5p 1SV283-KENW,E FREQUENCY CONTROL A_ON:2.6V A_OFF:2.6V...
Page 132 NXR-800 SCHEMATIC DIAGRAM RX UNIT (X55-3100-14) R377 R379 W:2.65V N:2.65V CN64 OP-AMP IC33 BU7261G RIPPLE FILTER AMP 8.1V C618 R405 R167 2SC4116(BL)F R201 100p R210 R183 R193 R236 C408 R223 C315 R237 FREQUENCY 8.9V CONTROL OSCILLATOR 1.6V RF AMP KV1470-G...
Page 133 NXR-800 SCHEMATIC DIAGRAM RX UNIT (X55-3100-14) CONTROL UNIT CN43 RX_IF_VN X53-414 -CN300 CN42 CN60 RX_PoWER_SAVE CN48 DDS_EN VCO_BAND_SW CN49 PLL1_EN DA_EN CN50 SIF_CLK CN51 SIF_DAT AT RX ANT -47dBm INPUT RX_AUDIO STD Devi N:100mVrms CN52 PLL_PWR_SAVE W:109mVrms CN66 CN57 FM_RSSI...
Page 134 NXR-800 SCHEMATIC DIAGRAM TX UNIT(X56-3120-14)(A/3) C189 C193 C194 E100 F10-3081-04 Q102 L125 D108 R176 C182 L128 2SK508NV(K52) C195 R184 368-384MHz 1SV283-KENW,E 0.5p(B) CN104 CN108 CN112 CN116 CN120 CN102 CN106 CN110 CN114 CN118 DC SW RF VCO VCO_A:1.1V Q702 VCO_B:1.6V SSM3K15AMFV...
Page 135 NXR-800 SCHEMATIC DIAGRAM TX UNIT (X56-3120-14) (A/3) VOLTAGE REGULATOR 13.8V 13.8V 13.8V IC104 NJM2386ADL3-09 8V #1’ RIPPLE FILTER AMP 7.9V Q105 2SC4116(BL)F R134 R278 8V #1’ 9V’ C163 470p R139 T:7.8V R:0V T:7.2V R:0V C156 C162 9V’ 470p 470p T:1.5V T:1.4V...
Page 136 NXR-800 SCHEMATIC DIAGRAM TX UNIT (X56-3120-14) (A/3) 368-400MHz 368-400MHz 13.8V GND SPRING CN130 SCLK0 SDo0 T:7.8V 8V #1 8V #1 R:0V 5V #2 <--19.2MHz 5V #1 VOLTAGE REGULATOR 8V #2 C221 R224 R226 IC808 3-STATE BUFFER NJM7808FA-ZB IC805 TC7SET126FU-F C230 L208 18.5n...
Page 137 NXR-800 SCHEMATIC DIAGRAM TX UNIT (X56-3120-14) (A/3) 368-400MHz 368-400MHz 368-400MHz 13.8V 13.8V 13.8V SCLK0 SCLK0 SCLK0 SDo0 SDo0 SDo0 8V #1 8V #1 8V #1 5V #2 5V #2 5V #2 <--19.2MHz <--19.2MHz <--19.2MHz 5V #1 5V #1 5V #1...
Page 138 NXR-800 SCHEMATIC DIAGRAM TX UNIT (X56-3120-14) (A/3) 368-400MHz 13.8V SCLK0 SDo0 8V #1 5V #2 <--19.2MHz 5V #1 8V #2 VOLTAGE REGULATOR IC704 NJM78M08DL1AZB 13.8V VOLTAGE REGULATOR IC706 NJM78M05DL1AZB L416 8V #1 5V #1 5V #2 LPF9 C430 C427 C406 19.2MHz -->...
Page 139 NXR-800 SCHEMATIC DIAGRAM TX UNIT (X56-3120-14) (A/3) +20dBm CN802 FINAL UNIT TX oUT 368-400MHz +20dBm 368-400MHz X45-382 (C/5) 13.8V -CN1 CN801 T:13.6V SCLK0 SCLK0 R:13.7V SDo0 SDo0 FINAL UNIT 13.8V X45-382 (C/5) -CN12 CN804 SDo1 CN805 SDo1 SCLK0 5V #2...
Page 140 NXR-800 SCHEMATIC DIAGRAM TX UNIT(17SEG) TX UNIT(LED) (X56-3120-14)(C/3) (X56-3120-14)(B/3) Q975 UMG1N DC SW Q976 UMG1N DC SW IC963 SHIFT-REGISTER Q974 UMG1N DC SW Q973 UMG1N DC SW Q972 UMG1N IC962 SHIFT-REGISTER DC SW Q971 UMG1N CN960 CN920 LED 10 DC SW...
Page 141 NXR-800 SCHEMATIC DIAGRAM TX UNIT (LED) (X56-3120-14) (B/3) SHIFT-REGISTER IC923 BU4094BCFV STRB DATA SHIFT-REGISTER SHIFT-REGISTER IC924 IC925 BU4094BCFV BU4094BCFV STRB STRB DATA DATA Q’S Q’S Q’S 3-STATE BUFFER IC922 TC7SET126FU-F R922 oUTY C920 0.1u 3-STATE BUFFER 3-STATE BUFFER IC920 IC921...
Page 142: Optional Accessories
NXR-800 OPTIONAL ACCESSORIES: KES-5 (EXTERNAL SPEAKER) When Using an External Speaker Speciﬁ cations 1. Make sure the unit’s power is tuned off. Maximum input power ............ 40W 2. When using the external speaker, remove the jumper Impedance .................4Ω lead from the connector, and attach the speaker cable.
Page 143 NXR-800 MEMO...
Page 144 NXR-800 MEMO...
Page 145: Specifications
*1: Analog measurements made per TIA/EIA 603. Without *1: Analog measurements made per TIA/EIA 603A. TRANSMITTER JVC KENWOOD Corporation reserves the right to change speciﬁ cations without prior notice or obligation. RF Power Output ............5~0.5W Spurious & Harmonics ........... 73dB FM Hum &...
Page 146 NXR-800 JVC KENWOOD Corporation Communications Equipment Div...
Page 147 NXR-800 NXR-800 PC BOARD PC BOARD FINAL UNIT (X45-3820-14) FINAL UNIT (X45-3820-14) Component side view (J79-0372-09) Component side view (J79-0372-09) CN20 SIGNAL PWR CONT IC12 R148 R142 PA CURR PWR PRT C128 R104 IC11 C115 C190 ANT SW C127 C189...
Page 148 NXR-800 NXR-800 PC BOARD PC BOARD FINAL UNIT (X45-3820-14) FINAL UNIT (X45-3820-14) Foil side view (J79-0372-09) Foil side view (J79-0372-09) C170 R106 R138 R137 R110 R136 C167 C150 IC15 R139 R107 C108 J79-0372-09 A/5 – – CN24 CN23 – C908...
Page 149 NXR-800 NXR-800 PC BOARD PC BOARD CONTROL UNIT (X53-4130-XX) -10 : K5 -11 : For service CONTROL UNIT (X53-4130-XX) -10 : K5 -11 : For service Component side view (J79-0011-29) Component side view (J79-0011-29) C372 R389 R550 R551 CN56 SPG 2...
Page 150 NXR-800 NXR-800 PC BOARD PC BOARD CONTROL UNIT (X53-4130-XX) -10 : K5 -11 : For service CONTROL UNIT (X53-4130-XX) -10 : K5 -11 : For service Foil side view (J79-0011-29) Foil side view (J79-0011-29) CN69 R475 R434 C500 C415 C403...
Page 151 NXR-800 PC BOARD CONTROL UNIT (X53-4140-XX) -10 : K5 -11 : For service CONTROL UNIT (X53-4140-XX) -10 : K5 -11 : For service Component side view (J79-0332-09) Component side view (J79-0332-09) CN713 IC329 C862 S700 R389 C443 C572 L325 IC306...
Page 152 NXR-800 PC BOARD CONTROL UNIT (X53-4140-XX) -10 : K5 -11 : For service CONTROL UNIT (X53-4140-XX) -10 : K5 -11 : For service Foil side view (J79-0332-09) Foil side view (J79-0332-09) C574 R680 C861 C570 R730 C730 C747 R319 R318...
Page 153 NXR-800 NXR-800 PC BOARD PC BOARD RX UNIT (X55-3100-14) RX UNIT (X55-3100-14) Component side view (J79-0404-09) Component side view (J79-0404-09) CN46 L132 L133 L134 L135 NARROW CN41 WIDE C147 C627 R175 C131 R179 R166 C500 C335 R171 IC15 C100 CN16...
Page 154 NXR-800 NXR-800 PC BOARD PC BOARD RX UNIT (X55-3100-14) RX UNIT (X55-3100-14) Foil side view (J79-0404-09) Foil side view (J79-0404-09) C242 C235 C150 C141 C174 R462 C289 L141 C197 C254 C110 C117 R108 C212 C358 R407 R410 C218 C624 C659...
Page 155 NXR-800 NXR-800 PC BOARD PC BOARD TX UNIT (X56-3120-14) TX UNIT (X56-3120-14) Component side view (J79-0405-09) Component side view (J79-0405-09) C151 C811 C805 R801 C801 C812 L801 C803 CN806 C161 IC802 C809 IC803 C806 R803 C802 X401 CN303 C808 MB_CV1...
Page 156 NXR-800 NXR-800 PC BOARD PC BOARD TX UNIT (X56-3120-14) TX UNIT (X56-3120-14) Foil side view (J79-0405-09) Foil side view (J79-0405-09) R134 C154 C446 IC104 R137 R891 C158 R503 C480 C435 C427 R888 C439 L408 C160 IC405 L414 L405 R889 C472...
Page 157 POWER MODULE IC10 RA13H3340M131 FINAL UNIT(PA SECTION) (X45-3820-14)(A/5) TX H:3.8V TX H:13.7V TX H:5W L:3.3V L:13.8V ANT SW TX:100mW L:0.5W RX :0V RX :13.8V RX:0W RX :0W 3DB ATT RF SW RF SW DIRECTIONAL COUPLER TX UNIT C141 CN22 C105 C122 C123 R125...
Page 158 RX UNIT(X55-3100-14) W:7.8V D13 1SV308 RF SW W:7.4V N:0.5mV N:0.5mV W:3.2V L112 CN43 RX_IF_VN CONTROL UNIT W:-93.2dBm 1SV308 RF AMP N:0.6mV L39-1476-05 X53-414 -CN300 N:-92.3dBm W:3.7V L128 DC SW N:5.2mV W:2.2V RF AMP L123 CN47 W:-75.7dBm L34-4725-05 L71-0661-05 RD01MUS1-T113 N:0.8mV N:-75.5dBm CN41 MONITOR_PORT...
Page 159 TX UNIT(X56-3120-14)(A/3) +20dBm C189 C193 C194 CN802 E100 VOLTAGE 368-400MHz 368-400MHz 368-400MHz 368-400MHz 368-400MHz 368-400MHz 368-400MHz +20dBm 368-400MHz TX oUT FINAL UNIT F10-3081-04 REGULATOR X45-382 (C/5) Q102 IC104 13.8V 13.8V 13.8V 13.8V 13.8V 13.8V 13.8V 13.8V 13.8V -CN1 R176 L125 D108 C182 L128...
Page 160 TX UNIT(17SEG) TX UNIT(LED) (X56-3120-14)(C/3) (X56-3120-14)(B/3) Q975 UMG1N DC SW Q976 UMG1N DC SW IC963 Q974 SHIFT-REGISTER UMG1N DC SW Q973 UMG1N DC SW SHIFT-REGISTER IC923 Q972 BU4094BCFV UMG1N IC962 STRB SHIFT-REGISTER DC SW DATA SHIFT-REGISTER SHIFT-REGISTER IC924 IC925 BU4094BCFV BU4094BCFV Q971 UMG1N...
Page 161 IC12 : N09-2292-05 IC11 17x3 D : N30-2606-48 (M2.6 x 6) : N30-3035-43 (M3 X 35) X45-382 : N32-3006-43 (M3 x 6) IC329 G : N32-4008-43 (M4 x 8) IC10 H : N67-3008-48 (M3 x 8) 703x3 : N80-2006-43 (Ø2 x 6) : N80-2608-43 (Ø2.6 x 8) : N87-2608-48 (Ø2.6 x 8) X53-414...
Page 162: Appendix 1 (Block Diagram
NXR-800 APPENDIX 1 (BLOCK DIAGRAM) IC300 IC325 CONTROL UNIT TC7SET126FU-F 30625MGP490GU BER_CLK BER_CLK_L X53-414 CN402 IC301 TC7SET126FU-F FINAL UNIT BER_EN TX UNIT BER_DAT X45-382 A/5 Q203 Q202 Q201 CN402 BER_DAT_L IC603 CN802 RD01MUS1 2SC5337 2SC3356-A(R24) X56-312 A/3 IC10 XC6204B332M D11,14,15,16...
Page 163 FINAL UNIT Q203 Q202 X45-382 A/5 CN802 RD01MUS1 2SC5337 IC10 D11,14,15,16 368~400MHz RA13H3340M131 L8103R CN22 TX ANT D201 IC201 IC201 HSM88AS-E NJM2904E-ZB NJM2904E-ZB IC701 BH2220FVM LTC6101BiS5-F CN19 D_PC Q102 X45-382 HSB88WS HSB88WS 2SK508NV(K52) VCo MoD SSM3K15TE(F) CN29 368~384MHz CN20 Q105 2SC4116(BL)F PA_CURR NJM2904E-ZB...
Page 164 IC32 IC300 TC7SET126FU-F 30625M BER_CLK_L BER_CLK CN402 IC301 TC7SET126FU-F BER_EN BER_DAT TX UNIT Q202 Q201 BER_DAT_L CN402 IC603 SC5337 2SC3356-A(R24) X56-312 A/3 XC6204B332M 3.3C IC705 NJM78M05DL1AZB PLL_12_LDT (pull up) Q104 2SC3356-A(R24) IC706 Q304 NJM78M05DL1AZB 8~384MHz X300 2SC4738F BUFF 384~400MHz TCXo 12.288MHz Q103 Q204,Q205...
Page 165 IC325 CONTROL UNIT 30625MGP490GU X53-414 REF_SW,REF_SW2 EXT_EXiST,REF_EXiST REF_iN_oUT,oX_SDi2 oCXo_VR_EN,oCXo_oN oCXo_EXIST,oCXo_CURR VCXo_DA_EN,REF_LDT PLL_19_EN,PLL_19_CE oX_SDo2,oX_SCLK2 CN400 oX_SCL,oX_SDA X56-312 internal 33MPU CN805 TEST/SPKR SPEAKER S700 DiPSW1,2 RX_PWR_SAVE,AMP_SW,AF_MUTE, EVoL_DATA,EVoL_LD,EVoL_CLK oCXo_ST_G,oCXo_ST_R,BEEP,PWR_ST_R SMD185F-2 2SD2114K(W) CN401 Q22,Q23 Over Ao1_N RT1N441M-T111 VoLUME_iN current CN401 2SA1955A-F Protection Over 50MPU_CoNT current 80ANi CN402...
Page 166: Appendix 1 (Block Diagram)
NXR-800 APPENDIX 1 (BLOCK DIAGRAM) CONTROL UNIT X53-413 TX UNIT TX UNIT R_CLK,SR_DATA CN960 R_oE,STB CN920 X56-312 B/3 X56-312 C/3 CN921 50MPU 50MPU 50MPU 50MPU SR_CLK IC920 SR_oE,STB1 STB,CLK,oE TC7SET126FU-F STB,SR_CLK D960 SR_oE IC960 Q960~Q963 PSA05-11SRWA R_CLK,SR_oE,STB BU4094BCFV UMG1N IC922...
Page 167 X56-312 JDP4P02U CN407 TA75S01F-F LNA_VE IC30 BUFF D9,D10, D13,D14, D22,D23 D24,D25 L132 L133 2SC5337(QR) L134 L135 W02-1940-05 RD01MUS1 3SK317-E 1SV308 1SV308 RX ANT 3SK317-E RD01MUS1 iF_BW_SW CN42 2SC5108(Y)F CN42 2SC4116(BL)F BUFF UPB1509GV 2SC5108(Y)F 2SK508NV(K52) 2SC5108(Y)F 2SC5108(Y)F Ripple 9VCo Filter BUff IC11 ADF4111BCP7 2SC5108(Y)F...
Page 168 S24CS02AFJTBG WE3/DQM3 SDRAM D16~D31 RD/CASS Q15,Q16 IC12 EEPROM CS3,RAS 2SJ484 oX_SCL NJM7805FA LTC6101BiS5-F AD7418ARMZ SSM3K15TE CKE,CKio oX_SDA IC719 LAN91C111i-NU NLEDA J700 NLEDA LAN_iNT oCXo_CURR NLEDB NLEDB SSM6L05FU TP1+,TP1- REF_SW2 TPi+,TPi- EEDi A1~A15 TP0+,TP0- IC720 TPo+,TPo- EEDo AT93C4610Si1.8 D0~D31 EESK WE1/DQM1 EECS X56-312 RD/CASS...
Page 169 SYS_RST SYS_RST IC325 IC28 SC_SH,E_PTT_SH TC7SH126FU-F IC32,33 io1~io6,S A_TXDo SRXo_ATXo Hi_VoL_DET Ai1~Ai3,E 50MPU_CoNT 50MPU_CoNT E_PTT Hi_VoL_DET IC325 50MPU 50MPU SC_S DC50 DC50 E_PT 33SH 33SH 33MPU 33MPU 50MPU_A 50MPU_A 33MPU_A 33MPU_A S700 DiPSW3,DiPSW4 A16C_CK_SFT,ADSP_CK_SFT BER_CLK,BER_DAT BER_CLK,BER_DAT CN58 IC300,301 2SC4738F A16C_CK_SFT IC705 CN713 SD,RTS...
Page 170 io1~io6,SC CN58 Ai1~Ai3,EMoN, E_PTT Surge IC32,33 protect SC_SH TC7SH126FU-F E_PTT_SH E_PTT CoNTRoL I/O RA,TA,RD,TD AUDio BLoCK BER_DAT BER_CLK AUDIO BLOCK CN56 CN58 IC19 LA4425A CN59 2SJ506-E(S) DTC363EU RT1N141M-T111 AMP_SW IC41 IC23 TC7SH08FU-F RT1N141M-T111 TC7SH00FU-F AF_MUTE CN58 RT1N441M-T111 oPTioN (ANi) ToNE_CoNT CN58 CN58,59...
Page 171 NXR-800 APPENDIX 2 (INTERCONNECTION DIAGRAM) TEST/SPKR (PANEL ViEW) FINAL UNIT CONTROL I/O (PANEL VIEW) X45-382 E/5 CN923 CN905 CN960 CN920 VOLUME_IN VOLUME_IN 33MPU 33MPU J901 50MPU 50MPU TX UNIT 33AUD 33AUD X56-312 B/3 TX UNIT PTT_TXD_SCM SR_oE SR_oE X56-312 C/3...
Page 172 CN960 CN920 50MPU TX UNIT SR_oE X56-312 C/3 SR_CLK SR_DATA LED 1 LED 10 RX UNIT X55-310 CN42 CN57 D_GND D_GND E2PRoM_SDA E2PRoM_S CoNT_5.0V CoNT_5.0V E2PRoM_SCL E2PRoM_S D_GND D_GND AD_CS AD_CS iF_BW_SW iF_BW_SW AD_DAT_WRiTE AD_DAT_W NC(iF_NW_SW) NC(iF_NW_ AD_CLK AD_CLK CN45 REF1 (19.2MHz) AD_DAT_READ AD_DAT_R...
Page 173 TEST/SPKR (PANEL FINAL UNIT X45-382 E/5 CN923 CN905 CN920 VOLUME_IN VOLUME_IN 33MPU 33MPU J901 50MPU 33AUD TX UNIT 33AUD X56-312 B/3 PTT_TXD_SCM SR_oE SCM_EN SCM_EN SR_CLK HOOK_RXD_SCM SR_DATA SCM_EN PTT_TXD_SCM PTT_TXD_SCM LED 1 HooK_RXD_SCM HOOK_RXD_SCM LED 10 RoM_SDA NT_5.0V RoM_SCL BW_SW DAT_WRiTE iF_NW_SW)
Page 174 PANEL ViEW) CONTROL I/O (PANEL VIEW) OPTIO INT SP CN56 CN804 CoNT_5.0V CoNT_5.0V D_GND D_GND CoNT_5.0V CoNT_5.0V D_GND D_GND D_GND D_GND TEMP_PRT TEMP_PRT ANT_SW ANT_SW DDS_EN DDS_EN/VER VR_EN VR_EN 440_EN 440_EN 132_EN 132_EN 440_CE 440_CE 132_CE 132_CE 2DA_EN 2DA_EN 3DA_EN 3DA_EN 2DA_CE 2DA_CE...
Page 175: Appendix 2 (Interconnection Diagram)
NXR-800 APPENDIX 2 (INTERCONNECTION DIAGRAM) OPTION (OCXO) KXK-3 FINAL UNIT X45-382 A/5 CN806 CN20 NC(FAN_CURR2) NC(FAN_CURR2) CN22 TX ANT PA_CURR PA_CURR CN19 MONITOR PORT FAN_CURR FAN_CURR FWD_PWR FWD_PWR RFL_PWR RFL_PWR FAN 1 PWR_PRT PWR_PRT PWR_CONT PWR_CONT FAN_CONT FAN_CONT FAN_CONT2 FAN_CONT2...
Page 176 RX_IF_VN...
Page 177 CONTROL UNIT2 X53-414 CN27 CN23 CN25 FINAL UNIT FINAL UNIT X45-382 C/5 X45-382 B/5 CN28 CN30 CN24 CN29 CN26 PC CONTROL...
Page 178 CN400 CN805 REF_SW2 REF_SW2 REF_SW REF_SW oX_SCL oX_SCL EXT_EXiST EXT_EXiST oX_SDA oX_SDA REF_EXiST REF_EXiST iMP_H_L iMP_H_L REF_iN_oUT REF_iN_oUT oX_SDi2 oX_SDi2 oCXo_VR_EN oCXo_VR_EN oCXo_oN oCXo_oN oCXo_CURR oCXo_CURR oCXo_EXiST oCXo_EXiST VCXo_DA_EN VCXo_DA_EN REF_LDT REF_LDT PLL_19_EN PLL_19_EN PLL_19_CE PLL_19_CE oX_SDo2 oX_SDo2 oX_SCLK2 oX_SCLK2 33MPU 33MPU –...
Page 179 D_GND D_GND CN21 TX UNIT X56-312 A/3 CN802 TX SIGNAL CN801 REF_IN(10MHz) CN408 REF_OUT(10MHz) CN403...
Page 180 NXR-800 APPENDIX 3 CONTROL UNIT1 (X53-4130-XX) (SCHEMATIC DIAGRAM X53-413) AF PA IC29 C190 R163 C225 0.1u R441 C436 C103 OP AMP SHIFT R469 R293 R100 R178 R442 BU4094BCFV RESISTER 100p NJM2734V ANALOG SW R294 R127 R133 R448 SCR_PTT 50MPU MULTIPLEXER...
Page 181 CONTROL UNIT1 (X53-4130-XX) R441 SHIFT RESISTER R442 BU4094BCFV MULTIPLEXER R448 SCR_PTT 50MPU SCR_PTT STRB BU4053BCFV DATA SR_CLK R445 R446 R449 R444 POWER SW R443 R457 HN1L02FU(F) Q’S R458 SR_oE 100k R450 CLEAR DATA_iN /CoDE R451 R452 RXEo R453 RXEi R454 TAAD_SW F53-0315-15 MiC_SW...
Page 182 C190 R163 OP AMP C436 C103 R469 R100 R178 NJM2734V 100p R133 R127 MULTIPLEXER C122 100p AoUTPUT DoUTPUT C197 BU4053BCFV 100k 120k R175 A-INPUT R400 OP AMP D-INPUT C128 R102 R401 A+INPUT OP AMP IC12 IC21 D+INPUT R103 100p NJM2732V C177 100p NJM2734V...
Page 183 AF PA IC29 C225 0.1u R293 R294 ANALOG SW IC25 74HC1G66GW CLOCK CLOCK SHIFT SW SHIFT SW IN/oUT L77-1987-05 oUT/IN 2SC4738F C275 16.515072MHz C281 2SC4738F C239 NAND GATE CoNT 1000u25 IC23 74AHC1G00GW AF MUTE SW RT1N141M-T111 oUTY C215 0.1u POWER SW C408 R412 ADSP_CK_SFT...
Page 184 NXR-800 APPENDIX 3 (SCHEMATIC DIAGRAM X53-413) FT SW 4738F Note : The components marked with a dot (•) are parts of layer 1. mV:AC voltage value measured with an electronic voltmeter. The unit is mVrms. V:DC voltage value rms:60% modulation TX signal or RX signal...
Page 185 Lo_Vol_DET Lo_VoL_DET TD_SW TD_SW MiCAD_SW MiCAD_SW 3.3V MiC_SW MiC_SW RXAD_SW RXAD_SW PATH_SW PATH_SW BEEP_SW BEEP_SW TA_SW TA_SW TAAD_SW TAAD_SW R419 EVOL_LD EVOL_LD EVOL_CLK EVOL_CLK XC6209B332P-G PTT_AM16C R474 VOLTAGE REGULATOR EVOL_DATA EVOL_DATA iNSP_SW AF_MUTE AF_MUTE SCM_EN R438 SCM_EN AMP_SW AMP_SW HooK_RXD_SCM R439 iNRA_SW MiC_D_IN...
Page 186 R131 P10/D8 P07/AN17/D7 P03/AN13/D3 P06/AN16/D6 P05/AN15/D5 P02/AN12/D2 P04/AN14/D4 P01/AN11/D1 DQ11 P00/AN10/D0 C120 1000p P117 C121 DQ13 P116 FLASH MEMORY DQ15/A-1 P115 IC17 VSS1 P114 P113 LATOR P112 P111 P110 VSS2 P107/AN07/KI3 TX_DDS_EN P106/AN06/KI2 TX_PLL_440_EN P105/AN05/KI1 R137 SYS_RST TX_PLL_440_CE P104/AN04/KI0 TX_PLL_132_EN P103/AN03 TX_PLL_132_CE P102/AN02...
Page 187 R261 DSP_RS P125 DSP_iNT P126 P127 P50/WRL/WR R254 R267 10/D8 P51/WRH/BHE 07/AN17/D7 P52/RD 06/AN16/D6 R268 05/AN15/D5 P53/BCLK 04/AN14/D4 STB_L P130 P131 PAG_SW_L P132 TX_SR_oE P133 RSSi P54/HLDA R270 P55/HoLD IC34 R269 30625MGP490GU P56/ALE HRDY P57/RDY/CLKoUT TX_SR_EN P134 TX_VR_EN P135 SR_DATA_C P136 SR_CLK_C P137...
Page 188 AD_CS RX_8AD_EN R363 iF_BW_SW RX_iF_BW2 R364 AD_DAT_WRiTE NC(iF_NW_SW) RX_iF_BW1 R374 AD_CLK AD_DAT_READ RX_SDi0 R365 CoNT_5.0V PLL_LoCK_DET RX_LoCK_DET R366 NC(AGC_RSSi) PLL2_EN RX_PLL2_EN R367 FM_RSSi RSSi R368 CN61 PLL_PWR_SAVE RX_PLL_PWR_SAVE R375 RX_AUDio R359 SiF_DAT RX_SDo0 R376 SiF_CLK RX_SCLK0 R369 DA_EN RX_3DA_EN R377 PLL1_EN RX_PLL1_EN R370...
Page 189 NXR-800 APPENDIX 3 CONTROL UNIT1 (X53-4130-XX) (SCHEMATIC DIAGRAM X53-413) AF PA IC29 C190 R163 C225 0.1u R441 C436 C103 OP AMP SHIFT R469 R293 R100 R178 R442 BU4094BCFV RESISTER 100p NJM2734V ANALOG SW R294 R127 R133 R448 SCR_PTT 50MPU MULTIPLEXER...
Page 190 NXR-800 APPENDIX 4 (SCHEMATIC DIAGRAM X53-414) CONTROL UNIT2 (X53-4140-XX) C359 0.1u R484 33MPU 33MPU-2 BUFFER IC300 TC7SET126FU-F oUTY BER_CLK_L BER_EN C360 0.1u BUFFER IC301 TC7SET126FU-F oUTY BER_DAT_L BER_EN CN400 50MPU BER_DAT R516 C516 R517 BER_CLK REF_SW2 R322 REF_SW2 R518 R960...
Page 191 CONTROL UNIT2 (X53-4140-XX) C359 0.1u 33MPU BUFFER IC300 TC7SET126FU-F oUTY BER_CLK_L BER_EN C360 0.1u BUFFER IC301 TC7SET126FU-F oUTY BER_DAT_L BER_EN CN400 50MPU BER_DAT BER_CLK REF_SW2 R322 REF_SW2 WP(SYS-RST) R927 SYS_RST REF_SW R323 REF_SW oX_SCL R928 oX_SCL VSS2 EXT_EXiST R324 EXT_EXiST D_D6 oX_SDA R929...
Page 192 R484 33MPU-2 R516 C516 R517 R518 1000p oCXo_ST_G D_A3 oCXo_ST_R R662 BER_DAT_L D_A7 P125 D_D7 R663 BER_CLK_L D_CS1 P126 D_D6 R664 P127 D_D5 D_A11 P50/WRL/WR LASH MEMORY D_D4 D_WR D_A15 P51/WRH/BHE IC314 D_D3 D_RD D_A2 P52/RD D_D2 D_A6 P53/BCLK D_D1 EVOL_LD P130 D_D0...
Page 193 PC CONTROL CN713 33MPU-2 S700 S79-0473-05 EARTH_3 R702 R703 R709 100k R710 100k C818 0.1u C750 BUFFER IC725 RS-232C TC7SH126FU-F DRIVER/RECIEVER D701 oUTY IC705 ADM3202ARUZ 1SS388F C751 C746 C747 0.01u T1oUT C748 R1IN R1oUT C749 T1IN T2oUT T2IN R2IN R2oUT R756 MIC SW Q707...
Page 194: Appendix 4 (Schematic Diagram X53-414)
NXR-800 APPENDIX 4 (SCHEMATIC DIAGRAM X53-414) R960 X53-4140-XX IC329 R960 R961 R961 -11 (for Service) BA33DD0WT Note : The components marked with a dot (•) are parts of layer 1. RTH_3 C781 0.1u NAND GATE IC711 74AHC1G00GW oUTY C850 C799 0.01u...
Page 195 R371 D702 1SS355 HooK_RXD_SCM R932 AMP_SW R372 AMP_SW 33MPU SCM_EN R933 SCM_EN R951 AF_MUTE R373 AF_MUTE iNSP_SW R948 100k EVOL_DATA R374 EVOL_DATA PTT_AM16C R946 BUFFER R375 EVOL_CLK EVOL_CLK IC728 TC7SH126FU-F EVOL_LD R376 EVOL_LD oUTY TAAD_SW R916 TAAD_SW TA_SW R377 TA_SW BEEP_SW R378 BEEP_SW...
Page 196 INT1 R651 INT0 R626 R446 R460 EMU0_D D_A1 HBIL D_D4 IACK R607 R461 EMU1_D BDX2 R608 TX_CoSDTi BDX0 D_D0 C584 D_D5 DVSS6 0.01u DVDD4 CVDD6 R627 TX_DSP_RDY C576 HRDY IC324 CVSS10 BFSX2 D_RD 0.01u HDS1 R609 TX_CoLRCK BFSX0 C583 DVSS8 VOCODER D_WR CVDD4...
Page 197 BU4829 CAN0_RX/AUDATA<2> VSSQ3 CAN1_TX/AUDATA<1> VSSQ4 VSSQ5 CAN0_TX/AUDATA<0> R917 VSSQ6 RESERVED/AUDATA<3> RESERVED/AUDATA<2> VSSQ7 R909 RESERVED/AUDATA<1> VSSQ8 VSSQ9 ADTRG/AUDATA<0> RESERVED/AUDSYNC AVSS_ADC IC703 RESERVED/AUDCK VSSQ10 VSSQ11 VSSQ12 TRST VSSQ13 VSSQ14 VSSQ15 VSSQ16 ASEBRK/BRKACK VSSQ17 VSSQ18 VSSQ19 MD6/IoIS16 VSSQ20 R712 MD4/CE2B VDD-PLL1 R713 VDD-PLL3 MD3/CE2A R714 VDD-PLL2...
Page 198 BU4829FVE IC708 VOLTAGE IC720 R830 AT93C46DN-SH DETECTOR 100k EECS 3.3V VoUT EESK EEDo EEDi TAAD_SW RXAD_SW C802 0.1u CONTROL SW IC721 TC7SH08FU-F Q706 RT1N141M-T111 R781 100k oUTY R782 100k R794 100k R783 100k R784 100k AND GATE CE2A R785 2.7k C812 R786 100k...
Page 199 NXR-800 APPENDIX 4 (SCHEMATIC DIAGRAM X53-414) CONTROL UNIT2 (X53-4140-XX) C359 0.1u R484 33MPU 33MPU-2 BUFFER IC300 TC7SET126FU-F oUTY BER_CLK_L BER_EN C360 0.1u BUFFER IC301 TC7SET126FU-F oUTY BER_DAT_L BER_EN CN400 50MPU BER_DAT R516 C516 R517 BER_CLK REF_SW2 R322 REF_SW2 R518 R960...

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