Kenwood NXR-800 Service Manual

Also see for NEXEDGE NXR-800: Brochure Instruction manual Instruction manual Instruction manual Instruction manual

Contents

73SCHEMATIC DIAGRAM NXR-800Note : The components marked with a dot (• ) are parts of layer 1.X56-312 (A/3) 6/67654321ADACABAAZDL434390nREF_SW233MPUOCXO_EXISTIC809NJM7808FA-ZBGNDIN oUTOCXO_EXISTR866033MPUoX_SDo2CN403R821 0FAN_CONT2DDS_ENC578330pPWR_PRTC574330pSCLK1FWD_PWRFAN_CURR2DA_CER822 0TEMP_RSTC84822u35FAN_CONTCN80712R8310SR_ENCoNT_5.0VR823 0R814 0MODC858470pWPoX_SCLK2R8400R816 0oX_SDo2R8300PLL_19_ENR8360C8570.01uC8600.01uR817 0C57618pSDo1R8450CN8031 33MPU2 GND3 oX_SDA4 oX_SCL5 oCXo_VR_EN6 oCXo_oN7 oX_SCLK28 oCXo_CURR9 oX_SDi210 oCXo_EXiST11 oX_SDo212 GND13 REF_SW23DA_ENCN801213SR_OEVCXO_DA_EN 132_ENSCKR8330C57518pSDI12DA_ENRFL_PWR440_ENR8320CN407VR_ENPWR_CONTR8340LDTDGNDPA_CURR8AD_ENCN802PAGSDAR865100k440_CER812 0132_CECN8041 GND2 GND3 WP4 MoD5 GND6 SDo17 SCLK08 SCLK19 SDo010 SDi111 SR_EN12 8AD_EN13 SR_oE14 2DA_CE15 3DA_EN16 2DA_EN17 LDT18 132_CE19 440_CE20 132_EN21 440_EN22 VR_EN23 DDS_EN24 ANT_SW25 TEMP_PRT26 SCK27 D_GND28 SDA29 D_GND30 CoNT_5.0V31 D_GND32 CoNT_5.0V33 GND34 PAG35 GND36 GNDCN405C85610u25R8350R8670R869100kR813 0R8370D409CSA70-401LCN8051 GND2 GND3 33MPU4 oX_SCLK25 GND6 oX_SDo27 GND8 PLL_19_CE9 GND10 PLL_19_EN11 GND12 REF_LDT13 GND14 VCXo_DA_EN15 GND16 oCXo_EXiST17 GND18 oCXo_CURR19 GND20 oCXo_oN21 GND22 oCXo_VR_EN23 GND24 oX_SDi225 GND26 REF_iN_oUT27 iMP_H_L28 REF_EXiST29 oX_SDA30 EXT_EXiST31 oX_SCL32 REF_SW33 WP34 REF_SW235 GND36 GNDC573330pC859470pR819 0R815 0CN8061 GND2 GND3 WP4 GND5 D_GND6 SDA7 D_GND8 SCK9 D_GND10 CoNT_5.0V11 D_GND12 TEMP_PRT13 GND14 ANT_SW15 GND16 TEMP_RST17 GND18 FAN_CoNT219 GND20 FAN_CoNT21 GND22 PWR_CoNT23 GND24 PWR_PRT25 GND26 RFL_PWR27 GND28 FWD_PWR29 GND30 FAN_CURR31 GND32 PA_CURR33 GND34 NC(FAN_CURR2)35 GND36 GNDCN408C577330pL433390nCN406R824 0R818 0R820 0oX_SCLK2REF_LDTREF SIGNALOUTPUT13.8V19.2MHz -->VOLTAGEREGULATOR19.2MHz --><--10MHzX42-328 -CN1OPTION UNIT(OCXO)FINAL UNIT-CN1X45-382 (C/5)10MHz--->BBE-CN12X45-382 (C/5)FINAL UNITX55-310 -CN45RX UNITX53-414 -CN302CONTROL UNITGNDOCXOX42-328 -CN3CONTROL UNITX53-414 -CN400FINAL UNITX45-382 (A/5)-CN2019.2MHz -->CONTROL UNIT19.2MHz -->SCLK0TX oUTREF_INREF oUTSDo0 13.8VREF2LPF12LPF13REF1<--10MHzOPTION UNIT(OCXO)X53-413 -CN56SDo0OCXO OPTION UNIT(OCXO)X42-328 -CN2+20dBmV-8SCLK0400-430MHz 400-430MHz13.8VT:13.6VR:13.7V+20dBm8VTX UNIT (X56-3120-13) (A/3)