Kenwood NXR-800H Service Manual

189SCHEMATIC DIAGRAM / 原理图 NXR-800HX56-312 (A/3) 2/6JIHGFC14310pC2850.1uC2830.1uL2196.8uR2660R2433.9kC26339pC1710.01uL21210uL11715nC2870.1uC15433u16CN701C26568pSSM3K15TE(F)Q210R2570C2160.01uL2172.2uR13810kR312 150kC2600.1u2SC4617(R)Q213R252100kC3870.1uR323 10R2621kC313 120p2SC3356-A(R24)Q106R2150C1490.01uC1666pR381100kR328 0C212470pC39310pIC202AD9835BRUZ1 FSADJUST2 REFIN3 REFoUT4DVDD5 DGND6 MCLK7 SCLK8 SDAT 9FSYNC10FSELECT11PSEL112PSEL013AGND14IoUT15AVDD16CoMPC30210pC3891000pC2520.01uL21547uR153270R321 10R349 100kR30147kR330 100kR269270R14718 C174470pC25310u35C14815pC2840.1uR350 100k2SC5337Q202R2125.6kR267270C15110u35R1520C311100uC3580.1uL11615nR322 10C38610u35C2720.1uC141470pR146270C308 470pC215470pR377100kR348 100kR250470kR27210C1647pR245 1kC88827pC2580.1uR26410C307 0.1uC2560.01uC3310.1uC2570.1uC162470pSCLK1R148270C2540.1u2SC3356-A(R24)Q104R260330SDo1C169470pC249 10u35DDS_ENR247 100kR1391kL11318nR246 1kR1556.8kR265470PAGC157470pC3351000pL11915nC388470pR242470kC2700.1u1AoUTPUT2A-INPUT3A+INPUT4GND5B+INPUT6B-INPUT7BoUTPUT8V+R253330C152470pR150822SC4617(R)Q211R25110C160470pL21447uL11815nC1677pC1757pR13422R25410C146470pR2131.5kR2410C2820.1uC16147u25C278 390pR248 100kC39210pL11218nC3012.2u16C156470pC3902200pR2561kC275 470pR1561.8kC173470pC280 270pR249 100kR378100k1VIN12VoUT13VoUT24 VIN25 VDD6 LD7CLK8 DI9 VIN310VoUT311 VoUT412 VIN4 13VIN514VoUT515VoUT616VIN617D018VDAREF19RESET20GND21VIN722VoUT723VoUT824VIN8R1440MODR30247kR142R1352.7kR1371kCF201L72-1029-05R26356kR26818R37656kR15418R357100C2710.1uR2180R1450R2760C163470pR37556kC328 100uC213470pC250 0.1uR2615.6kC251 0.01uCN201C2550.01uR274220R2704.7kC1370.01uR329 100kC170470pR255270kC172470pC391100uR21647C2860.01uC2690.1uR345 100kL21310uL218680nR317100kC15833u16R347 100kC15310pR346 100kR151100R2595.6kC31610pC329 100uC276 270pC26739pC277 470pC281 470pCN301R327 0R141C1683pR344 100kR157270R2714.7kIC104NJM2386ADL3-091VIN2 CoNT3 VoUT4 NC5 GNDR2580C279 470pR351 100kC209470pR244 1kL2162.2uC2590.1u1 AoUTPUT2 A-INPUT3 A+INPUT4 GND 5B+INPUT6B-INPUT7BoUTPUT8V+C203470pC206470pC201470pC2077pR2100R206180R20410kC204470pR208100C2050.01uR2052.7kR201120R207120R203120R20247C208470pVR_ENSCLK0SDo0PAGL12022nL20115nC2027pL20312nC2106pC2116pC214L20412nC21710pR316L20215nR1492209V5V #24.5MHz DDS8V #1ʼ440-470MHzBPF19VʼLPF1LPF3LPF4RF AMPVOLTAGEREGULATOR3dBA-68V #2MODMONo ATTVS23dBA-8A-7RF AMP5V #213.8V3dB4.5MHz -->4.5MHz -->13.8V<-- 4.5MHz3dBDDS (4.5MHz)5V #1RF AMPRF AMP5V #2<--19.2MHz5V #2NO ATT5V #2<--19.2MHzDC SWA-4A-59Vʼ5V #1RF AMP A-2V-28V #25V #25V #2No ATT7dB A-3440-470MHz440-470MHz<-- 450-480MHz2SC4617(R)Q212RF AMP2SC3356-A(R24)Q201RF AMPIC301NJM2732VOP-AMP2SC4116(BL)FQ105RIPPLE FILTER AMPIC308NJM2732VOP-AMPIC304M62364FP-FDIGITAL POTENTIOMETER** **X56-312X-XX0-122-71C21410p470pR14110082R142220330R31627k22kC2C7.9V5V5V1.0V3.6V5V5V2.5V0.5V5V5V2.5V5V5V1.6V1.9V2.2VT:1.0VR:0V7.9V2.8V5V9V0.8V T:0.8VR:0VT:7.2VR:0VT:1.5VR:0VT:1.4VR:0VT:7.8VR:0V3.0VTX UNIT (X56-312X-XX) (A/3)