Alto-A400_4-pwr-sm维修电路原理图.pdf

Version 1.0 MODEL: A400.4CONTENT 1. Introduction.12. Specification.23. Block Diagram.34. Schematic Diagram.45. Wiring Diagram.106. Printed Circuit Board.117. Exploded View & Mechanical Parts List.138. Electrical Parts List.151. Introduction 1.5U 1/2 rack, multi-channel high power amplifier. Fantastic audio quality even with extremely high volume levels. Solid and durable, can be mounted into a cabinet. User-controllable clip limiter. 4120Watts on 4 ohms (EIAJ) Balanced XLR inputs and 1/4” TRS jack to ensure noiseless long wiring. 1/4”TS jack for sp-output. Front panel LED indicators for signal, limit and clip. Accurate gain control Independent thermal overload protection on each channel automatically protects amplifier and speakers. Single channel over-heat protection. - 1 -2. Specification8 ohms per channel(EIAJ)4 ohms per channel(EIAJ)4 ohms per channel(RMS)A400.4 DRAGONFLY20Hz 20KHz0.1%THD, Stereo ModeMODELControlsFRONT: Power switch, LEVEL knobsREAR: Four LIMITER Switches for channel 1- channel 4Indicators (per channel)Power-On: Green LEDClip: Red LEDLimit: Yellow LEDSignal: Green LEDConnectors of each channelInput: COMBO connectorOutput: 1/4 TS jack connectorPower Supply190-240 Vac50Hz / 95-120Vac60HzDimensionNet Weight65W120W(at THD:1%)3.8Kg314mm x 208.5mm x 66.6mmInput Sensitivity 4 ohms+3dBu62W+3W- 2 -1234ABCD4321DCBACH1CH2CH3CH4PRE-AMPD100WAMPD100WAMPPM8PWRPOWER SUPPLYA400.4BLOCK DIAGRAM- 3 -3. Block Diagram1234ABCD4321DCBA12CN11CON212CN12CON212CN13CON212CN14CON212CN15CON212CN16CON212CN17CON212CN18CON2CH1_SP+CH1_SP-CH2_SP+CH2_SP-CH3_SP+CH3_SP-CH4_SP+CH4_SP-123456X1X2X3CN1CN-BAL-COMBI123456X1X2X3CN2CN-BAL-COMBI123456X1X2X3CN3CN-BAL-COMBI123456X1X2X3CN4CN-BAL-COMBI123CN5CON3123CN6CON3123CN7CON3123CN8CON31234CN9CON41234CN10CON4123SW1ASW PS-22E85L456PSW1BSW PS-22E85L123SW2ASW PS-22E85L456PSW2BSW PS-22E85L123SW3ASW PS-22E85L456PSW3BSW PS-22E85L123SW4ASW PS-22E85L456PSW4BSW PS-22E85LCH1CH2CH3CH43c5e1a4d2bPJ1PHONEJACK5 (5-PIN)3c5e1a4d2bPJ2PHONEJACK5 (5-PIN)3c5e1a4d2bPJ3PHONEJACK5 (5-PIN)3c5e1a4d2bPJ4PHONEJACK5 (5-PIN)C1100PC2100PC3100PC4100PC5100PC6100PC7100PC8100PC9100PC10100PC11100PC12100PTP1TP-2- 4 -4. Schematic Diagram12345678ABCD87654321DCBAC1156pF/50 cerR510KGNDCH1 GAINC6100pF/50 cerC947uF/25VC5100pF/50 cerC222uF/50VGNDC122uF/50V321U1ANJM4580L567U1BNJM4580LGNDR910KGNDR115KR410KR310KR215K123CN1CON3GNDCH1-INR617K44123U2VTLC1256pF/50 cerR1210KGNDCH2 GAINC7100pF/50 cerC1047uF/25VC8100pF/50 cerC422uF/50VGNDC322uF/50V321U3ANJM4580L567U3BNJM4580LGNDR1310KGNDR715KR810KR1110KR1015K123CN2CON3GNDCH2-INR1417K44123U4VTL84U3CNJM4580L84U1CNJM4580L84U5CNJM4580L321U5ANJM4580L567U5BNJM4580LC1356pF/50 cerC1456pF/50 cerC15104PC16104PC17104PC18104PC19104PC20104PR2510KR2682KR2710KR2982KR2810KR3010KGNDGND123CN4CON3GND15V-15V123CN6CON3CH2-OUTCH1-OUTC3056pF/50 cerR3510KGNDCH3 GAINC28100pF/50 cerC2947uF/25VC27100pF/50 cerC2422uF/50VGNDC2322uF/50V321U6ANJM4580L567U6BNJM4580LGNDR3910KGNDR3115KR3410KR3310KR3215K123CN9CON3GNDCH3-INR3617K44123U7VTLC3456pF/50 cerR4210KGNDCH4 GAINC33100pF/50 cerC4447uF/25VC32100pF/50 cerC2622uF/50VGNDC2522uF/50V321U8ANJM4580L567U8BNJM4580LGNDR4310KGNDR3715KR3810KR4110KR4015K123CN10CON3GNDCH4-INR4417K44123U9VTL321U10ANJM4580L567U10BNJM4580LC3156pF/50 cerC3556pF/50 cerR5510KR5682KR5710KR5982KR5810KR6010KGNDGND123CN12CON3GNDCH4-OUTCH3-OUT84U8CNJM4580L84U6CNJM4580L84U10CNJM4580LC36104PC37104PC38104PC39104PC40104PC41104PGNDC42220u/25VC43220u/25VR2182RCLIPSIGLIMITERR2230RR19180RVR1A10K1234CN3CON4R2482RCLIPSIGLIMITERR2330RR20180RVR2A10K12345CN8CON512345CN5CON5R15270RR17270RR5182RR5230RR49180RVR3A10K1234CN7CON4R5482RR5330RR50180RVR4A10K12345CN13CON512345CN11CON5R45270RR47270RCLIPSIGLIMITERCLIPSIGLIMITERGNDGNDGNDGND- 5 -1234ABCD4321DCBALED1REDLED3GRLED2YEL12345CN1CON5LED4REDLED6GRLED5YEL12345CN2CON5- 6 -12345678ABCD87654321DCBAIC47815IC27915C16100NC14100NC25100NC12470NC13470NC9180U/25VC30100U/25VC26100U/25VC212200U/25VC202200U/25VC242200U/25VC232200U/25VC222200U/25VC192200U/25VL51uH/12AL61uH/12AD1KBU8MC7470U/200VC8470U/200VC36470U/200VC37470U/200VC22N2/400VC32N2/400VC382N2/400VC392N2/400VL21uH/12AL31uH/12AR13150KR14150KC114D391KR2NTC_B57237CX21u/275VR1845KR4845KR3150K24678910J1CON1024J2CON4Q2BC640R86R80D7BZT03-C16D2BYV27-150D8BYV27-150C5100NIC1L7812CVC4330U/25VC6100U/25VP1PP3PP2PA2A1GQ1BT139M2STW9NK90ZD12A30CPQ150D12B30CPQ150D9B30CPQ150D9A30CPQ1503412T1PE671001324L1TL25-050-182R1175R0R12150RR6270RR5270RR102K2D41N4148D5GR24L4ALF20_13EED911L4BLF20_13EED1210L4CLF20_13EED1315L4DLF20_13EED161417L4ELF20_13EED23457810213415171T2TF20_13EED2K1CON22K4CON2V27NYV27NV27NYV27NGNDGNDV15AV15NV27NFBV27NFBC10470P/500VC11470P/500VC41100NR910R/30WGND12345678K2CON812345678K3CON8GNDV27NV27NFV27NFV15NV15AGNDV27NF12S1CON2R151R8AC_INPUTAC_SELPMPWRCTL_BOARDGND123CN4CON3V27NV27NFR2012R/10WR2112R/10WC47180U/25VC48100ND31N4007C49100NCX10.47uR71M1324L7TL25-050-182CY1222PCY2222PR010KADD R0 20060120- 7 -12345678ABCD87654321DCBAC2010U/16V C2210U/16VC232200U/35VC242200U/35VR275K60R265K60C28560PN1-4N1+5SGND12OSC7MODE6N2-9N2+8SGND211FB120SW124REL123ENA121DIACUR22DIATEMP15STABEX18STABINT19ENA216REL214SW213FB217VDD13VDD210VSS11VSS212U6TDA8929C310.1uF/100VGNDGNDMUTE+25C-25CR281K0 C48220N-25CC591NC49220NSW217REL216ENA214VSTAB9POWUP15DIAG3ENA14REL12SW11BOOT212OUT211BOOT6OUT7VSS18VSS210VDD15VDD213U8TDA8927-25+25C4022NC4122NC29560PC32560PC30560PC33560PC1512N7 COGC18470N MKTC1522N7 COGC21470N MKTC500.01uFC61470NC621N(NPO)C11010N(NPO)C105100U/35V LOW ESRC106100U/35V LOW ESRR395R60 R405R60R415R60R425R60R63100RR64100RR6547R 1/4WR6647R 1/4WL3TWKC-22UHL4TWKC-22UHL10TWKC-22UHL11TWKC-22UH+25-25+25-25GNDGNDGNDGNDGNDGNDCASETE6GND+25C-25CC5470NC60.1uF/100VC7470NC45220NC46NOT USEC47220NGNDGND+25-25C60470NC550.1uF/100VTE7C8220NC9NOT USEC10220N-25R3127KC34220N-25CR156KD8ZD5.6+25CGNDMUTE+25-25L1ferrite beadL2ferrite beadTE1C160.1uF/100V-25CGNDGNDC40.1uF/100VTE3+VCCTE4GNDTE5-VCCC560.01uFC641N(NPO)C11110N(NPO)R6847R 1/4WR7047R 1/4WGNDGNDCASEC1410U/16V C1510U/16VR35K60R25K60C3560PGNDTE22CN1CON3L5ferrite beadL6ferrite beadC10.1uF50VC20.1uF50VTE8C1310N(NPO)- 8 -1234ABCD4321DCBAR168R0R247R0R31KR41KR568R0R619K6R7150RR810KR927KR1028KR1110KR122K2R1324KR14180RR154R30R1610R7R17180RR1875R0R191KR201KR2219K6COL1COMP2VCC3EA+4REF5EA-6GND7ISET8U2UC39432BD1234J2CON4C468NC547PC627NC33N3C18470P_NPOC1627NC17470NC1568NC1427NVCC2VCC2VCC2VCC1COUNT1ILIM2VCC3OUT4PGND5VFWD6SLOPE7FEEDBK8ISET9RAMP10FREQ11VREF12GND13SOFTST14U1UCC3571DC7N/CC8270P_NPOVR120KC1027NC11470P_NPOC210U/50VC122U/35VD11N414BSD2TMBYV1 -40D3TMBYV10-40D4BAS85C1327NC12470P_NPO4125U3OPTO CNY17-3TVFWDFFEDBKCURRCURR/10OUT12345678910J1CON10OUTCURRCURR/10VFWDFFEDBKVCC1R23100K040515 modifyC7-N/CC8-270P_NPOR10-28KR11-10K050111 modifyR15-4R30- 9 - - 10 -5. Wiring Diagram- 11 - - 12 - 13 - 14 -No. Part No. Description Specification Remark 1 MA05618 panel A400.4 DRAGONFLY ALTO_V1.0 1 2 MA05584 panel A400.4 3 MA05583 panel 1.0t*12*63.6*205.5 A400.2_V1.5 4 ME00184 iron pillar A200.2 M3*11.2*0.5PH*5.8_V1.0 5 MJ00058 single light board 1*2135*1220 20.45kg 6 MI03126 front board A400.4 DRAGONFLY ALTO left_V1.0 7 MI02595 front board A1000.4 left 8 MI02596 front board A1000.4 left_V1.0 9 MI02959 front board 6*40*1M(1M/0.59kg) A500.2_V1.0 10 MB04429 chassis A400.4 DRAGONFLY ALTO_V1.2 11 MB04401 chassis A400.4 12 MB04400 chassis A400.4 64.8*208.5*308_V1.7 13 ME00001 screw pillar M4*10*0.7PH 14 ME00038 iron pillar 6.35*M3*8.4_V1.3 15 MJ00059 single light board 1.2*2135*1220 24.54kg 16 AE00055 solvent solvent 17 AE00060 paint 4534 18 MJ00476 cushion A500.2 up_V1.1 19 MJ00477 cushion A500.2 up_V1.2 20 MJ00057 AL plate-RS 3.0t*2000*1000mm 16.32kg 21 MJ00478 cushion A500.2 down_V1.1 22 MJ00479 cushion A500.2 down_V1.2 23 MJ00057 AL plate-RS 3.0t*2000*1000mm 16.32kg 24 MI02593 front board A1000.4 right_V1.0 25 MI02594 front board A1000.4 right_V1.0 26 MI02959 front board 6*40*1M(1M/0.59kg) A500.2_V1.0 27 MI03073 heat-sink A400.4 31.8*90*210_V1.3 28 MJ00057 AL plate-RS 3.0t*2000*1000mm 16.32kg 29 MC00675 top cover A500.2 DRAGONFLY_V1.3 30 MC00671 top cover A500.2 31 MC00670 top cover 1.2t*208.5*308*1.2 A500.2_V1.5 32 MJ00059 single light board 1.2*2135*1220 24.54kg 33 AE00055 solvent solvent 34 AE00060 paint 4534 35 NI03389 net A500.2 96*61.6*5t_V1.0 36 HI00031 power switch-RS R415KKETOF 37 HC00423 FUSE holder 4A (EMI-power filter) 38 HD00018 glass tube fuse 6.3A 250V 5.2*20mm CCEE/CSA/S/UL/VDE 39 NI00262 sleeve 5*25mm 40 NI00258 sleeve 5*1000mm 41 NI01862 key 5.5*5.5*14.5_V1.1 42 NI01863 key-RS 5.5*W10*7.5 - 15 -8. Electrical Parts ListNo. Part No. Description Specification Remark 43 NI00360 knob 15*15mm 44 SA00052 L.E.D 3 round(green)long foot 26 45 NI00222 sleeve 1.5*30mm 46 NI00221 sleeve 1.5*1000mm 47 HA01388 row-wire connector wiring 2P 100 48 MG00281 screw M3*6 49 MG00578 screw M3*10*0.5PH_V1.0 50 MG00041 screw M3*6 51 MG00561 copper pillar M3*20*0.5PH 26 52 MG00025 screw M3*6 53 MG00042 screw M3*10 54 MG00061 screw M3*10 55 MG00162 screw M3*8 56 MF00037 washer 3.2*5.5*1t 57 MF00014 washer 3*6.5*0.5t 58 ME00016 color nut 4m/m 59 MF00038 washer 4*7*1t 60 MF00048 washer 4*8*0.5t 61 MF00061 MIC jack 9.6*13*0.5t 62 ME00060 MIC jack JY-6351G-02-250 63 HA03495 wire 4P-4P 500mm UL1007 28AWG 64 HA01394 row-wire connector wiring 3P-3P 120 65 HA03506 wire 3P-3P 500mm UL2547 28AWG 66 HA04172 wire 3P-3P 150mm UL2547 28AWG 67 HA04173 wire 3P-3P 250mm UL2547 28AWG blue 68 HA03498 wire 8P 280mm UL1007 18AWG 69 HA02763 wire 8P 200mm UL1007 18AWG 70 ND00150 silicone sleeve 12*150mm 71 ND00026 silicone sleeve 100*20 72 NI00218 cable tie ALT-102SB 73 HA00861 power cord Europe 3P LT-312+LT-501 74 NA00137 clip-chain bag 5*7 75 NI00498 self-adhere foot cushion 12.7*7*6mm(SF-005) 76 HJ00006 dessicant 30g 77 NA00123 PE bag 0.04t*580*300mm 78 NE11347 label ALTO PI 79 NH00334 cone paper 0.040*1m 80 NF00061 assurance card ALTO 81 NA00279 clip-chain bag 0.04t*100*150mm_V1.0 82 AD00012 twin adhesive 90*120mm_V1.0 83 HK05925 PC board P-A4-400IO 84 HB01806 PCB A4-400IO_VER060203 - 16 -No. Part No. Description Specification Remark 85 HC00077 connector(male) 3P 2.5mm 180 CN5,CN6,CN7,CN8 86 HC00078 connector(male) 4P 2.5mm 180 CN9,CN10 87 HC00391 balance MIC jack CXLF-07L(PUSH)/(BELTON) CN1,CN2,CN3,CN4 88 HI00162 push-button switch 2 paragraphs 6p PS-22E8552L SW1,SW2,SW3,SW4 89 CA00024 ceramic capacitor 100PF SL C2,C3,C4,C5,C6,C7,C8,C9,C10,C11,C12 90 HC00371 MIC jack SCJ-0658-1-Y PJ1,PJ2,PJ3,PJ4 91 HA03720 single terminal wiring 240mm UL1015 18AWG red CN11 92 HA03721 single terminal wiring 240mm UL1015 18AWG black CN12 93 HA02578 single terminal wiring 220mm UL1007 18AWG red CN13 94 HA02579 single terminal wiring 220mm UL1007 18AWG black CN14 95 HA02343 single terminal wiring 300mm UL1015 18AWG CN16,CN18 96 HA02189 single terminal wiring 100mm TP1 97 ND00206 silicone sleeve 6*140mm 98 ND00202 silicone sleeve 6*1000mm 99 AC00179 tin without lead M705E Sn 3Ag-0.5Cu 100 HK05945 PC board P-A4-400FP-DIP 101 RA00169 fixed resistor 1/4W 33 F type R22,R23,R52,R53 102 RA00180 fixed resistor 1/4W 82 F type R21,R24,R51,R54 103 RA00190 fixed resistor 1/4W 180 F type R19,R20,R49,R50 104 RA00195 fixed resistor 1/4W 270 F type R15,R17,R45,R47 105 CB00029 electrolytic capacitor 22uF/35V 5*11mm C1,C2,C3,C4,C23,C24,C25,C26 106 CB00039 electrolytic capacitor 47uF/25V 5*11mm C9,C10,C29,C44 107 HC00077 connector(male) 3P 2.5mm 180 CN1,CN2,CN4,CN6,CN9,CN10,CN12 108 HC00078 connector(male) 4P 2.5mm 180 CN3,CN7 109 RC00209 potentiometer A10K RV110-40E1-225A-A14 VR1,VR2,VR3,VR4 110 AC00179 tin without lead M705E Sn 3Ag-0.5Cu 111 HK02231 Photodiode P-photosensitive resistance+5LLED U2,U4,U7,U9 112 RH00020 photosensitive resistance VT90N1 113 SA00201 L.E.D 5 red(LI3330/A) 114 NI02779 sleeve 9*30mm 115 NI00274 sleeve 9*1000mm 116 HK05926 PC board P-A4-400LED CN5-CN11,CN8-CN13 117 HB01805 PCB A4-400LED_VER050324 118 SA00052 L.E.D 3 round(green)long foot 26 LED3,LED6 119 SA00053 L.E.D 3 round(red)long foot 26mm LED1,LED4 120 SA00054 L.E.D 3m/m round(yellow)long foot 26 LED2,LED5 121 HC00655 connector 2.54 90 5P 6/14mm 1.2mm CN1,CN2 122 AC00179 tin without lead M705E Sn 3Ag-0.5Cu 123 HK05927 PC board P-A4-400FP-SMD 124 RD00101 SMD fixed resistor 1/10W 10K 5% 0603 R3,R4,R5,R8,R9,R11,R12,R13,R25,R27,R28,R30,R33,R34,R35,R38,R39,R41,R42,R43,R55,R57,R58,R60 125 RD00103 SMD fixed resistor 1/10W 15K 5% 0603 R1,R2,R7,R10,R31,R32,R37,R40 - 17 -No. Part No. Description Specification Remark 126 RD00293 SMD precise resistor 1/10W 17.4K 1% 0603 R6,R14,R36,R44 127 RD00115 SMD fixed resistor 1/10W 82K 5% 0603 R26,R29,R56,R59 128 CI00056 SMD ceramic capacitor 0603 56PF/50V NPO 5% C11,C12,C13,C14,C30,C31,C34,C35 129 CI00059 SMD ceramic capacitor 0603 100PF/50V NPO 5% C5,C6,C7,C8,C27,C28,C32,C33 130 CI00075 SMD ceramic capacitor 0603 0.1uF/50V Y5V +80,-20% C15,C16,C17,C18,C19,C20,C36,C37,C38,C39,C40,C41 131 SG00122 SMD integrated circuit NJM4580M-TE3 U1,U3,U5,U6,U8,U10 132 AE00449 solder material without lead 9308/Sn Ag Cu 133 HB01807 PCB A4-400FP_VER050406 134 CB00056 electrolytic capacitor 220uF/25V 8*11mm C42,C43 135 HK05802 PC board P-PM8PWR-DIP(A400.4) 136 CB00130 electrolytic capacitor 100uF/25V 105 SH 6*11mm C26,C30,C6 137 CB00131 electrolytic capacitor 180uF/25V 105 WL 8*11mm C9,C47 138 CB00132 electrolytic capacitor 330uF/25V 105 LZ 8*15mm C4 139 CB00133 electrolytic capacitor 470uF/200V 85 LP 22*40mm C36,C37,C7,C8 140 CB00164 electrolytic capacitor 2200uF/35V 105C TL 16*32mm C19,C20,C21,C22,C23,C24 141 CG00056 X2 capacitor 0.47uF/275VAC CX1 142 CG00065 X2-capacitor MPX 1.0uF/275V VDE/UL/CSA CX2 143 CG00028 metal oxide varistors CNR-14D391K C1 144 CG00030 X1/Y2 capacitor 2200PF/400V Y5V 20% Y2CAP C2,C3,C38,C39,CY1,CY2 145 CG00033 metal oxide varistors B57237-S100-M R2 146 CN00150 common inductance TC2208-15mH/V644 L1 147 CN00151 common inductance TC2208-20mH/V645 L7 148 CH00027 laminated capacitor 0.1uF/100V X7R PH5mm C25,C41,C5,C48,C49 149 CH00028 laminated capacitor 470PF/100V X7R PH5mm C10,C11 150 CN00058 inductance 1UH/12A(CR4F-302817) L2,L3,L5,L6 151 RA00573 precise resistor 1/4W 150K M type R13,R14 152 RA00727 precise resistor 1/8W 75.0 M type R11 153 RA00728 precise resistor 1/8W 150 M type R12 154 RA00729 precise resistor 1/4W 1.80 M type R15 155 RA00730 precise resistor 1/4W 6.80 M type R8 156 RA00731 precise resistor 1/4W 270 M type R5,R6 157 RA00733 precise resistor 1/4W 845K M type R4,R1 158 RA01009 fixed resistor 1W 130K P type R3 159 RA01440 precise resistor 1/2W 1M R7 160 RA00735 precise resistor 30W 10.0 TO-126 MP930-10.0-1% R9 161 SA00004 high speed diode 2A/100V BYV27-200,113 D2,D8 162 SA00007 bridge rectifier 8A KBU-806 comb type D1 163 SA00093 rectifier diode 1N4148 0.5A D4 164 SA00159 rectifier diode 1A/1000V IN4007 D3 165 SA00146 zener diode 3W 16V BZT03-C16 D7 166 SA00147 diode 30A/150V IR30CPQ150 D12,D9 167 SB00056 Bidirectional S.C.R double direct s.c.r Q1 - 18 -No. Part No. Description Specification Remark 168 SB00109 transistor BC640 Q2 169 SD00066 integrated circuit L7812CV(TO-220)(ST) IC1 170 TC00118 transformer PE-67100 T1 171 TC00203 transformer 4022-369-7449.2 L4 172 TC00202 transformer 2