Kenwood NX-820 Service Manual
Also see for NEXEDGE NX-820: Instruction manualTechnical detailsInstruction manualInstruction manualQuick start guide
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105SCHEMATIC DIAGRAM / 原理图 NX-820X57-824 1/10A B C D E1234567DC Switch(SB)DC Switch(50R)DC Switch(80ANT)DC Switch(80T)DC Switch(50MC)DC Switch(50MC)DC Switch(80T)DC Switch(SB)DC Switch(80ANT)DD DDDBLVLSBC/SAVE/BINTGPSCTXC/OVRBRXC50CS80T15M80ANTDSW80T+B50R33GPSSB50C33M50MC33A33A_2SBC2SBC2SBC250M50M80CC401470u 252SA1955A-FQ404D401DZ2J180(M)1VoUT2VSS3VIN45VSENCD2SA1955A-FQ410D404DA2S1011BooST2GND3FB456SHDNVINSWL405C4524.7u 16FK330301Q407C44047u 25L404IC1TA7808F-NQ3 GND1 IN 2OUTIC406XC6209B332M-G1VIN2VSS3CE45NCVoUTIC407NJM2878F4-3312CoNTRoLGND4VIN3VoUTIC404XC6209B502P-G123NCVSSCE4VIN5VoUTIC408XC6205B152P-G123NCVSSCE4VIN5VoUTDC Switch(Over DC SupplyProtection)Q401LTC014EEBFS8Q411LTC014EEBFS8CN414CN421CN423+BQ417EMD5Q405LTC014EEBFS82SA1955A-FQ402Q412LTC014EEBFS8D41022ZR-10DD411DSA3A1CN417CN419CN422CN418Q403MTM981400BF6123 5478C429470pC431 100p0.01uC405C432 0.1uC417 100pC4221000pC4270.047uC413100pC403470pC439 0.1u4.7u 254.7uC433C434 25C45110uC4280.1uC442 0.01uC443 1uC4552.2uC4530.01uC424100pC457100pC4304.7uC4611uC4460.01uC4380.1uC45010u0.01uC409C423100pC458100pC460100pC4374.7uC4480.01uC436 0.01uC435 2.2uC4491uC475 1uC441 2.2uC4760.1uC4770.1uC4542.2uC445 0.01uC4560.01uC447 1uC4110.1uC471100pDC Switch(33A_2)Q409EM6M146 1235D407RB520SM-30D403RB520SM-30R405 10kR4074.7kR4214.7kR401470R41410kR40610kR403270kR404100kR42410kR4234.7kR40210kR408680kR409100kR417100kR425120kR42618kR42722kR4281kR422470kR4180R43810R439470kR41210R41310R41510kR4192.7kR4412.7kDC Switch(50CS)Q408EMD5C472 1000pF401F502Q418LTC014EEBFS8F503R6830R6780R6820R6800C6490.01uR6770 C6470.01uR6790C6480.1uR681 022uH50CS(SAVE)50MCDigital GNDDC Switch(80ANT)AVR(80C)AVR(33M)IC402XC6118C23CMRVoltage Detector(BINT)AVR(50C)IC405LT1616ES6-PBFDC/DC Converter(50M)AVR(33A)AVR(33GPS)AVR(15M)Over DC SupplyProtectionD403,404Reverse CurrentPreventionDB22306D406DC/DCConverterDC/DC Converter(50M)SurgeProtectionReverseCurrentPreventionTX-RX UNIT(X57-8240-13)SBC2DSWDischarge-B13.6VBATTERY5A33A_22.5A33GPSSB80T375mA50R50C50CSIC401XC6209B332M-G1VIN2VSS3CE4 NC5 VoUTC4160.01uD405DB2S310R41147kC420 1u 250.01uC425R4104.70.01uC408C410 2.2u 16R:4.59VT:3.45V3.26VT:0.0VR:3.3V4.89V3.30V1.7V2.3V3.3V4.99V1.5V3.32V3.3VT(5W):13.4VT(25W):13.2VR:13.6VT:7.8VR:0.0VR:6.77VT:6.5V6.7V5.02V3.27V3.31V7.9VT:0.0VR:4.75VT:7.8VR:0.0VT:0.0VR:3.3VT:3.3VR:0.0V3.32V5.0VR:13.6VT(25W):13.2V4.43V4.98V |
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