Kenwood NXR-700H Service Manual

169SCHEMATIC DIAGRAM / 原理图 NXR-700HNote : The components marked with a dot (• ) are parts of layer 1.X55-309 6/67654321ADACABAAZX56-311 (A/3)-CN406VOLTAGE REGULATORVOLTAGE REGULATORDC SWVOLTAGE REGULATORTX UNITX53-414 -CN300VOLTAGE REGULATORRX_IF_VNDC SWDC SWX53-413 -CN57AT RX ANT -47dBm INPUTGND19.2MHz REF_SIGCONTROL UNITVOLTAGE REGULATORFINAL UNITPOWERVOLTAGE REGULATORPOWERX45-385 (C/5)-CN15CONTROL UNITVOLTAGE REGULATORRXAC53610u35C48010u35IC24NJM7808FA-ZB2GND1IN3oUTC53510u35 R345 4.7kC67547u25C23933u16IC25NJM7808FA-ZB2GND1IN3oUTR34947R346 4.7kCN421 GND2 GND3 NC4 RX_PoWER_SAVE5 DDS_EN6 VCO_BAND_SW7 PLL1_EN8 DA_EN9 SIF_CLK10 GND11 SIF_DAT12 RX_AUDIO13 PLL_PWR_SAVE14 GND15 NC16 FM_RSSI17 PLL2_EN18 AGC_RSSI19 PLL_LOCK_DET20 CoNT_5.0V21 NC22 AD_DAT_READ23 GND24 AD_CLK25 NC(IF_NW_SW)26 AD_DAT_WRITE27 IF_BW_SW28 AD_CS29 D_GND30 E2PROM_SCL31 CoNT_5.0V32 E2PROM_SDA33 D_GND34 WP35 GND36 GNDC4871000pC5371000pCN66C5520.01uC5461000pC5011000pC5031000pC48210u35C5530.01uC5561000pR335100kIC17NJM78M05DL1AZB2GND1IN3oUTC5021000pC53410u35C4881000pC5601000pR30702SJ484Q52R3910C5481000p1A02A13A24GND5SDA6SCL7WP8VCCC5500.01uR3384.7kCN55R3080C5451000pR3920CN56C5391000pCN60R295100kC4841000pIC15NJM78L05UA-ZB2GND3IN1 oUTC5001000pCN57C4861000pCN58CN48IC16NJM78L05UA-ZB2GND3IN1oUTCN59CN49SSM3K15TE(F)Q51C5691000pC5041000pC48110u35CN50C5611000pC5651000pC5381000pCN51C5510.01uC5401000p1VIN2CoNT3VoUT4NC5GNDCN45R3090CN43CN52R34447kCN44213C55522u35C4851000pCN53R3100IC18NJM78M05DL1AZB2GND1IN3 oUTC53310u351VIN2CoNT3VoUT4NC5GNDSSM3K15TE(F)Q50CN54C57122u35C5471000pC5590.1uIC19NJM78M05DL1AZB2GND1IN3 oUTR343 100kEEPROMIC31S24CS02AFJTBGVOLTAGEREGULATORVOLTAGEREGULATORIC26NJM2386ADL3-09IC27NJM2386ADL3-095V8V5V13.73V9V8V9VSTD DeviW:100mVrmsN: 90mVrms5V5V 13.66V5VRX UNIT (X55-3092-71)