LCAudio-ZapsoluteMK4_1-pwr-sch 维修电路原理图.pdf

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1、VCCGNDCOUTTRIGTHRESHOLDDISC55531576284RESETVCCVSSQ13Q5CTCRTCRSHC4060348111091612OK LED+OK LED-MRClass AAutoPowerDownTimerRunoutSignalCl.A/B LED+Cl.A/B LED-Cl.A LED +Cl.A LED -Class APowerDownR1011kD1014V7D1024V7R10210k0R1033k01D1034148OperationOKAUX-33 - 45 VPower -33 - 45 VPNP BasisBIAS testpoint -

2、Power GNDPower OUTRGND2R20S.A.AutoIC101IC102RTHNTC 150kR10410k0R1051MC1031uC104100nD1044V7R10610k0C105100nR10722k1R108182kR10910kT103BC858D1064V7C107100nC108470nR11047kR111470kT104BC846R112100kLED101APDR11310k0R11410kR1154k99T106BF822T105BC846R1164k7R11710k0D1074148D1084148R1184k7R1191kT107BC846T108

3、BF823D1094148C10922nR1194k99BIAS testpoint +NPN BasisPower +AUX +33 - 45 V+ 33 - 45 VP2 10kDCRZ+2k00RZ-2k00R201301R202301T2012SA1455kT2022SA1455kT2032SC3722kT2042SC3722kR2033k01R2043k01R2053k01R2063k01C206470/63VC209470/63VR207100kR2083k01R2093k01D2014V7D2024V7R210100kD2034148R21110kR1222k0R12310k0R

4、2131k30R2141k30R21647kR217221RR22010k0R22116k0T2052SA1455kT2062SC3722kR22440k2T9BC517R2194k99R21647kR218221RR2261k50P1500BIASC201100nR25030k0GLASSR25130k0GLASSR2282k0R229100R23080R6R23180R6R23280R6R2332R20R23440R2RE1.RE30R27RE4.RE60R27R2421kR2431kR23880R6R23980R6R24080R6R2402R20R24140R2D205BAV102D20

5、6BAV102T12SC2922T22SA1216T42SC4278T72SD1763T2092SC3722kT82SB1186T2102SA1455kT52SA1633ZAPsolute Mk4Copyright 1999 - 2000 L C Audio TechnologyImportant Notice:This document or anyof its contents may not be used for any kind ofcommercial purpose what so ever, without the written permission of the autho

6、r.Short Circuit ProtectionAuto PowerDown TimerR157 1kR158 1kR159 33kC112100nD111BAV99T122BF822R1603k01ProtectionR16110k0R266301kR267301kDCServoC2341uMKTR170100kC122 100nR171 1MIC104LF411DC ServoD12112VD12212VC131100nC132100nR1727k62toAUX -R1737k62Direct In +Direct In -Input GndR144 22R1R14522R122u / 400VPolypropyleneM-CAP22u / 400VPolypropyleneM-CAPC2C1Version 1.01 published July 20th 1999, update on http:/www.lcaudio.dkRadioFans.CN 收音机爱 好者资料库