Kenwood NX-720H(G) Service Manual

Also see for Nexedge NX-720H: Instruction manual Instruction manual Instruction manual

Contents

67SCHEMATIC DIAGRAM NX-720H(G)/720HX57-823 1/10A B C D E1234567D DDBLVLSBC/BINTGPSCTXCRXC/OVRB50CS80T33GPS33M80ANT80T50C+B50MC15M50RSB33A/SAVE33A_250M80CSBC2SBC2SBC2DSW2SA1955A-FQ404D401DZ2J180(M)F401IC402XC6118C23CMR1VoUT2VSS3VIN45VSENCD2SA1955A-FQ410D404DA2S101IC405LT1616ES6-PBF1BooST2GND3FB456SHDNVINSWL405C452164.7uFK330301Q407C44047u 25D406DB22306L404IC1TA7808F-NQ3 GND1IN 2OUTIC401XC6209B332M-G1VIN2VSS3CE4 NC5 VoUTIC406XC6209B332M-G1VIN2VSS3CE45NCVoUTIC407NJM2878F4-3312CoNTRoLGND4VIN3VoUTIC404XC6209B502P-G123NCVSSCE 4VIN5VoUTQ411LTC014EEBFS8Q401LTC014EEBFS8IC408XC6205B152P-G123NCVSSCE 4VIN5VoUTCN411CN414CN4212SA1955A-FQ402Q405LTC014EEBFS8Q412LTC014EEBFS8Q417EMD5CN423+BC401470u 25D41022ZR-10DD411DSA3A1SBCN422CN417CN418Q403MTM981400BF6123 5478Q409EM6M146 1235D407RB520SM-30D403RB520SM-30Q408EMD5F502R405 10kR4074.7kR4214.7kR401470R41410kR40610kR681 0R6770R403270kR404100kR42410kR4234.7kR40210kR6790R408680kR409 100kR417100kR425120kR42618kR42722kR4281kR422470kR6780R6800R418 0R43810R439470kR41210R41310R4192.7kR41510kR441 2.7kR6820R6830C405 0.01uC432C417 100pC413100pC439 0.1uC433 25C4344.7u4.7u 25C45110u 10C4280.1uC442 0.01uC443 1u 25C4552.2u 16C453 0.01uC424 100pC457100pC4304.7u25C4611uC4460.01uC4380.1uC6470.01uC45010u 10C409 0.01uC423100pC458100pC460100pC6480.1uC4374.7uC4160.01uC448 0.01uC436 0.01uC435 2.2u 16C449 1u 25C475 1u 25C441 2.2u 16C4760.1uC4770.1uC454 2.2u 16C445 0.01uC456 0.01uC447 1u 25C4110.1uC4221000pC4270.047uC403470p100pC431C429470pC471100pC472 1000pQ418LTC014EEBFS8F50380T50C22uHDigital GND33A_2TX-RX UNIT(X57-8230-10)0.1uAVR(80C)AVR(33M)Voltage Detector(BINT)AVR(50C)DC/DC Converter(50M)AVR(33A)AVR(33GPS)AVR(15M)AVR(15M)DC Switch(Over DC SupplyProtection)DC Switch(80ANT)DC Switch(SB)DC Switch(80T)DC Switch(80ANT)DC Switch(50MC)DC Switch(50CS)DC Switch(33A_2)DC Switch(50MC)DC Switch(80T)DC Switch(80ANT)DC Switch(50R)DC Switch(SB)Over DCSupplyProtectionReverseCurrent PreventionD403,404DischargeDC/DCConverterDC/DCConverter(50M)SurgeProtectionReverseCurrentPrevention+BD407D406SBC2B-BUS-B13.6VBATTERYCN4192.5A250mA50R33GPS5AD405DB2S310R41147kC420 1u 250.01uC425R4104.70.01uC408C410 2.2u 16R:13.6VT:13.0V5.02V4.98V2.3V3.31V3.32V7.9V5.0V4.99V3.32V3.3V1.5V3.3VR:4.59VT:3.45VR:13.6VT(50W):13.0VT( 5W ):5WR:0.0VT:7.8VR:4.75VT:0.0V6.77V:Rx6.5V:Tx~6.7V3.26V3.30V4.89VR:3.3VT:0.0VR:0.0VT:7.8VR:3.3VT:0.0VR:0.0VT:3.3V1.7V4.43V3.27V