MarkLevinson-JC1DC-su-sch 维修电路原理图.pdf

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1、DC-offset-0V58+0V6-1V21+1V25Mark LevinsonJC-1DC left 0ut(to MM-in)redgreenyellowMC-IN+2V95-2V95+2V47-0V55+0V54-2V55+1V8-1V84VoltageregulatorTransconductancegain-stage, input impedance 80 ohmsQ12N4401Q22N4403Q32N4401Q42N4403+1V5+1V5+1V5+1V5S1aS1bQ52N4403Q62N4401Q82N4401VR1100 40%+C11.000/3+C21.000/3+

2、C31.000/3C510uFQ72N4403+C41.000/3S2aC6230pFR13kR23kR33kR43kR51K3R61K3R7158R8100R9700R10700Rext47R111K3R12200R13373RadioFans.CN 收音机爱 好者资料库JC-1DC, solder site, without ground wires:EEEEEEEEEEEERadioFans.CN 收音机爱 好者资料库JC-1DC, solder site, only ground wires:EEEEEEEEEEEEDC-offset 0ut(to MM-in)MC-IN-1V84+1

3、V8Mark LevinsonJC-1DC right+1V25+0V61-0V60-1V23from out,VoltageregulatorTransconductancegain-stage, input impedance 80 ohmsQ122N4403Q112N4401Q102N4401VR2100 40%+C121.000/3+C111.000/3+C101.000/3C810uFQ92N4403+C71.000/3S2bC9230pFR20158R19100R18700R17700Rext147R161K3R15200R14373C7R19Q10Q11Q12R17Q9C10R18C9C6C5R16R11R15R12R14+R10:C4R8Q1Q2Q3Q4Q5Q6Q7Q8C1C2C3EEEEEEEEEEEER1R2R3R4R5R6S1S2R7VR1R20VR2R9ababC8R13C12C11 0ut(blue)in:JC-1DC, solder site, allocation electronic componentsJC-1DC, solder site, complete layout:EEEEEEEEEEEE