Cayin-A55-int-sch维修电路原理图.pdf

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1、12345678ABCD87654321DCBATitleNumberRevisionSizeA2Date:23-Mar-2016Sheet of File:H:?A-50T-VER3.0.DdbDrawn By:R11MR21KR42W100KC1630V0.1UFR31.2KR51MC2630V.1UFGAR65W22KR733KGAGAC101630V0.22UFC102630V0.22UFR839KR101120KR102120KR4012W10RR4022W10RR132W470RR142W470RR2011KR2021KGAC5100pF12VOVN1115VN2115VI14AI

2、24A1/0V2/6.5V16/0V17/6.5V119 Y/GI32A15/12.6V13/0VR175W62KC12450V22UFGAR18220RR19220RGAA-55TSW14A/80A250VC6275V103GAR201W180KI4100mA4/14V5/0VV1:12AX7/ECC83V2:12AU7/ECC82A1,A2,A3,A4:KT88S1TR/UL381VGAGAZD1200VC1C2R262W47KR272W47KR285W2KC16500V330uFT1280mAC17450V470uFAC1AC2+3-4D9BR310R29180KC18100V100uF

3、R3033KC9630V0.47uFC19450V22uFR312W3KR30122KC20160V100uF60VD7FR107VR10122KLC1100V100uFGAVR10222KR30122KVR10122KVR10222K100mA15/60V13/0VC1C2C3C40V360V348VGALinRinGNDGA440VTP0.4VTP0.4V+-+BIAS TEST POINTBIAS ADJ.431VLch BIAS.PCBRch BIAS.PCBRch BIAS.PCB35842 7A3358427A4R4a1/2W5.6k123687V3A12AX7R11MR21KR4

4、2W100KC1630V0.1UFR31.2KR51MC2630V.1UFGAR65W22KR72W33KGAGAC101630V0.22UFC102630V0.22UFR82W39KR101120KR102120KR4012W10RR4022W10RR132W470RR142W470RR2011KR2021KGAC5100pF12VOVR201W180KS1TR/ULGAGAC1C2R262W47KR272W47KTP0.4VTP0.4V+-+BIAS TEST POINTRch BIAS.PCB35842 7A1358427A2R4a1/2W5.6k123687V1A12AX7LNELAC

5、 IN230VFUSE1T3.15A250VP1G1B+G2P2840T2OUTPUT TRANS1P1G1B+G2P2840T3OUTPUT TRANS1123V2A12AU7123V4A12AU7678V2B12AU7678V4B12AU7F1KR600-180F2KR600-180495V1C12AX7495V3C12AX7495V2C12AU7495V4C12AU7Cayin3.0V3.0 20160323I7150mA8/17V150mA7/0V6/17VPower AmpGNDOUT+5VGNDR3710KECBQ1A1015R384.7KGNDC24104L14.7uHL24.7

6、uHGNDL31234567891011121314151617181920RSTRXD/P3.0TXD/P3.1XTAL1XTAL2INT0/P3.2INT1/P3.3T0/P3.4T1/P3.5GNDVccP1.7P1.6P1.5P1.4P1.3P1.2P1.1/AIN1P1.0/AIN0P3.7IC189C2051AXTALI112MHzC2530pFC2630pFGND12348765IC2LB1639GNDR3947KR4047KR414.7KR424.7KMOT+MOT-C27104GNDGND12345678161514131211109IN1IN2IN3IN4IN5IN6IN7

7、GNDOUT1OUT2OUT3OUT4OUT5OUT6OUT7COMIC3ULN2003LED2LED3LED4LED5R431KA-50T-CPU.PCBCD(LINE1)LINE2(TUNER)LINE3(AUX1)LINE4(AUX2)+12VR444.7KGND123DSE1SPS-440-1R4510KC28104123456J4aFROM INPUTGNDGNDVin1GND2Vout3U17805C13100uF/25VC7473C8473k1k2selectorGNDBCEQ29014Q39014R211.5KR221.5KR233.3KR2410KGNDVR1100KAVR2

8、100KA123J1GND11234567J5aFROM MCUMUTE+12VGNDLEDM+M-LoutRoutGNDA-50T-SEL.PCBA-50T-VOL.PCBupdowC2110uF/25VC2210uF/25VredyelR46220KR47220KGNDC12100uF/25VA1K2D71N4001A1K2D81N400112348765IC4AT24C04L45VC1910uFC20104SDASCLSCLSDAC5103C6103R28100RR261KR27100K123LED1TR/UL12345678RY103LINE4(AUX2)12345678RY102LI

9、NE3(AUX1)LINE3R131R100R12345678RY101LINE2(TUNER)LINE212345678RY100CD(LINE1)LINE412VCD123CN102TO VR0VVin1GND2Vout3U1037812C12325V1000uFR131L100R14VC1221000uF/25VAC1AC2+3-4D101DB101R132R100RR132L100RR133R100RR133L100RR136R100RR136L100RLRJ6 L_outJ8 GNDJ7 R_out12345678RY104MUTE7654321J5BTO VOLMUTE LEDMU

10、TE LED5VccLED+LED+GND12V12VMUTE(RY104)MUTE(RY104)12VGNDLINE1(CD)LINE2LINE3LINE4123J3TO KEY123456789RS11/6W10K9C2925V10uFA1K2D91N40015VC15100uF/25VJ9GNDJ10LINE1RJ11LINE1LJ12CD RJ13CD LJ14AUX1 RJ15AUX1 LJ16AUX2 RJ17AUX2 LJ19GNDC3600V0.1uFC4600V0.1uFGNDC2104C11045Vcc5Vcc654321CN100TO MCU12J2BTR/UL12CN101BAC INM+-M1MOTOR SERVORout-PHGNDLout-PHL5180mA4H12CON101A14V123J4ACON37120FUSE1THERMAL FUSERadioFans.CN 收音机爱 好者资料库