Alto-A1000_4-pwr-sm维修电路原理图.pdf
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1、 Version 1.0 MODEL: A1000.4CONTENT 1. Introduction.12. Specification.23. Block Diagram.34. Schematic Diagram.45. Wiring Diagram.126. Printed Circuit Board.137. Exploded View & Mechanical Parts List.158. Electrical Parts List.181. Introduction 1.5U for channel high power amplifier. Fantastic audio qu
2、ality even with extremely high volume levels. Solid and durable, can be mounted into a cabinet. User-controllable clip limiter. 4480Watts on 4 ohms (EIAJ) Balanced XLR inputs and 1/4”TRS jack to ensure noiseless long wiring. Neutrik Speak-on connectors for output. Front panel LED indicators for sign
3、al, 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)A1000.4 DRAGONFLY20Hz 20KHz0.1%THD, Stereo ModeM
4、ODELControlsFRONT: 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: Neutrik Speak-on connectorPower Supply190-240 Vac50Hz / 95
5、-120Vac60HzDimensionNet Weight260W480W6.8Kg314mm*440mm*66.6mmInput Sensitivity 4 ohms+3dBu4 ohms per channel(RMS)245W (at THD 1%)- 2 -1234ABCD4321DCBACH1CH2CH3CH4PRE-AMPD300WAMPD300WAMPD300WAMPD300WAMPPM8PWRPOWER SUPPLYPM8PWRPOWER SUPPLYAC-FILTERA1000.4BLOCK DIAGRAM3. Block Diagram- 3 -1234ABCD4321D
6、CBA123456X1X2X3CN1CN-BAL-COMBI123456X1X2X3CN2CN-BAL-COMBI123CN5CON3123CN6CON31234CN9CON4123SW1ASW PS-22E85L456PSW1BSW PS-22E85L123SW3ASW PS-22E85L456PSW3BSW PS-22E85LCH1CH2123456X1X2X3CN3CN-BAL-COMBI123456X1X2X3CN4CN-BAL-COMBI123CN7CON3123CN8CON31234CN10CON4123SW2ASW PS-22E85L456PSW2BSW PS-22E85L123
7、SW4ASW PS-22E85L456PSW4BSW PS-22E85LCH3CH4C1100PC2100PC3100PC4100PC5100PC6100PC7100PC8100PTP1TP-24. Schematic Diagram- 4 -12345678ABCD87654321DCBAR2182RGND1-1C1156pF/50 cerR510KGND1CH1 GAINC6100pF/50 cerC947uF/25VC5100pF/50 cerC222uF/50VGND1C122uF/50V321U1ANJM4580L567U1BNJM4580LGND1R910KGND1R115KR41
8、0KR310KR215KLED2RED123CN1CON3GND1CH1-INR610KCLIPSIGLIMITERLED5GRR2230R4123U2VTL5C2LED1YELR19180RVR1A100K1234CN8CON4R2482RGND1-1C1256pF/50 cerR1210KGND1CH2 GAINC7100pF/50 cerC1047uF/25VC8100pF/50 cerC422uF/50VGND1C322uF/50V321U3ANJM4580L567U3BNJM4580LGND1R1310KGND1R715KR810KR1110KR1015KLED4RED123CN2C
9、ON3GND1CH2-INR1410KCLIPSIGLIMITERLED6GRR2330R4123U4VTL5C2LED3YELR20180RVR2A100K84U3CNJM4580L84U1CNJM4580L84U5CNJM4580L321U5ANJM4580L567U5BNJM4580LC1356pF/50 cerC1456pF/50 cerC15104PC16104PC17104PC18104PC19104PC20104PR2510KR2682KR2710KR2982KR2810KR3010KGND1GND112CN4CON212CN5CON2GND1GND1GND1+15V1-15V1
10、C2110u/25VC2210u/25V123CN6CON312345CN7CON512345CN3CON5GND1-1GND1CH2-OUTCH1-OUTR5182RGND2-1C3056pF/50 cerR3510KGND2CH3 GAINC28100pF/50 cerC2947uF/25VC27100pF/50 cerC2422uF/50VGND2C2322uF/50V321U6ANJM4580L567U6BNJM4580LGND2R3910KGND2R3115KR3410KR3310KR3215KLED8RED123CN9CON3GND2CH3-INR3610KCLIPSIGLIMIT
11、ERLED11GRR5230R4123U7VTL5C2LED7YELR49180RVR3A100K1234CN16CON4R5482RGND2-1C3456pF/50 cerR4210KGND2CH4 GAINC33100pF/50 cerC4447uF/25VC32100pF/50 cerC2622uF/50VGND2C2522uF/50V321U8ANJM4580L567U8BNJM4580LGND2R4310KGND2R3715KR3810KR4110KR4015KLED10RED123CN10CON3GND2CH4-INR4410KCLIPSIGLIMITERLED12GRR5330R
12、4123U9VTL5C2LED9YELR50180RVR4A100K321U10ANJM4580L567U10BNJM4580LC3156pF/50 cerC3556pF/50 cerR5510KR5682KR5710KR5982KR5810KR6010KGND2GND212CN12CON212CN13CON2GND2GND212345CN15CON512345CN11CON5GND2-1GND2CH4-OUTCH3-OUT84U8CNJM4580L84U6CNJM4580L84U10CNJM4580LC36104PC37104PC38104PC39104PC40104PC41104PGND2
13、+15V2-15V2C4210u/25VC4310u/25V123CN14CON3R15270RR17270RR45270RR47270R- 5 - 1234ABCD4321DCBA12CN5CON212CN6CON212CN7CON212CN8CON21+11-22+32-4CN1CN-SP1+11-22+32-4CN2CN-SPCH1_SP+CH1_SP-CH2_SP+CH2_SP-12CN9CON212CN10CON212CN11CON212CN12CON21+11-22+32-4CN3CN-SP1+11-22+32-4CN4CN-SPCH3_SP+CH3_SP-CH4_SP+CH4_S
14、P-C1100PC2100PC3100PC4100PC5100PC6100PC7100PC8100PTP1TP-2 12345678ABCD87654321DCBAC2010U/16V C2210U/16VC232200U/35VC242200U/35VR29100RR30100RR275K60R265K60C28560PN1-4N1+5SGND12OSC7MODE6N2-9N2+8SGND211FB120SW124REL123ENA121DIACUR22DIATEMP15STABEX18STABINT19ENA216REL214SW213FB217VDD13VDD210VSS11VSS212
15、U6TDA8929C31100N/100VGNDGNDAF INGNDMUTE+25C-25CR28 1K0 C48220N-25CC591NC49220NSW217REL216ENA214VSTAB9POWUP15DIAG3ENA14REL12SW11BOOT212OUT211BOOT16OUT17VSS18VSS210VDD15VDD213U8TDA8927-25+25C4022NC4122NC29560PC32560PC30560PC33560PC1512N7 COGC18470N MKTC1522N7 COGC21470N MKTC44100N/100VC500.1uF/100VC61
16、100N/100VC621N(NPO)C1101N(NPO)C105100U/35V LOW ESRC106100U/35V LOW ESRR395R60 R405R60R415R60R425R60R63100RR64100RR6522R/2WR6647R0L3TWKC-22UHL4TWKC-22UHL10TWKC 22UHL11TWKC-22UH+25-25+25-25GNDGNDGNDGNDGNDGNDCASETE11GND+25C-25CC5100N/100VC6100N/100VC7100N/100VC71100N/100VC72100N/100VC73100N/100VC45100N
17、/100VC46100N/100VC 7100N/100VGNDGND+25-25R351K0 C60100N/100VC54220NSW217REL216ENA214VSTAB9POWUP15DIAG3ENA14REL12SW11BOOT212OUT211BOOT16OUT17VSS18VSS210VDD15VDD213U9TDA8927-25+25C4222NC4322NC36560PC38560PC37560PC39560PR435R60R455R60R445R60R465R60R6847R0R7022R/2WC1532N7 COGC26470N MKTC1542N7 COGC27470
18、N MKTC55100N/100VC56100N/100VC63100N/100VC641N(NPO)C1111N(NPO)L5TWKC-22UHL12TWKC 22UHL6TWKC-22UHL13TWKC-22UH+25-25+25-25GNDGNDGNDGNDCASETE13C8100N/100VC9100N/100VC10100N/100V-25-25fblaslarlaeadia1+OUTOUTR3127KC34220N-25CR156KD8ZD5.6+25CGNDMUTE+25-25L1ferrite beadL2ferrite beadC142200U/35V LOW ESRC15
19、2200U/35V LOW ESRTE1C16100N 100VTE2GNDGND-25CGNDGNDC4100N/100VTE3+VCCTE4GNDTE5-VCCC1100N/100VC2100N/100VC310N(NPO)GNDCASEL7WB0610-3.0TL8WB0610-3.0TC11100N/100VC12100N/100VREMOVE 20051213R71390/2WR72390/2WADD 20051213ADD 20051213REMOVE 20051213REMOVE 20051213Modify R65 22R/2W 20051213Modify R70 22R/2
20、W 2005121312345678ABCD87654321DCBA? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
21、? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?12345678910? ? ? ?1234? ? ? ? ? ? ? ? ? ? ? ? ? ? !? ? ? ? ? ? !? ? ? ? ? ? ? !? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?#?#?#?#A2A1G? ? ? ? ? ? ?
22、$ ? % ? ? ? ? ? ? ? ? ? ? ?#? ? ? ? ? ? ? ? ?#? ? ? ? ? ? ? ?#? ? ? ? ? ? ? ?#? ? ? ?3412? ?#& ? ? ? ? ?1324? ? ? ? ? !? ? ? !? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?24? ? ( ? ? ? ? ? & & ?911? ? ( ? ? ? ? ? & & ?1210? ? ( ? ? ? ? ? & & ?1315? ? ( ? ? ? ? ? & & ?161417? ?&? ( ?
23、? ? ? ? & & ?2345781012131415171? ? ( ? ? ? ? ? & & ?12? ? ? ?12? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ( ? ? ? ? ( ? ? ? #? ? ? ? ? ? #? ? ? ? ? ? ? ? ? ? ? ? % ? ?12345678? ? ? ?12345678? ? ? ? ? ? ? ? ? ? ? ? (? ? ? ? (? ? ? ? ? ? ? ? ? ? ? ? (12$ ? ? ? ? ? ? ?AC_INPUTAC_SEL
24、PMPWRCTL_BOARD ? ?123? ? ? ? ? ? ? ? ? ? (? ? ? ? ? ? ? %? ? ? ? ? ? ? %? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? )? ? ? ?1324? ? ? ? ? !? ? ? !? ? ? ? ? ? #? ? ? ? #? ? ? ?ADD R0 200601201234ABCD4321DCBAR168R0R247R0R31KR41KR568R0R619K6R7150RR810KR927KR1028KR1110KR122K2R1324KR14180RR154R30R1610R7R17180R
25、R1875R0R191KR201KR2219K6COL1COMP2VCC3EA+4REF5EA-6GND7ISET8U2UC39432BD1234J2CON4C468NC547PC627NC33N3C18470P_NPOC1627NC17470NC1568NC1427NVCC2VCC2VCC2VCC1COUNT1ILIM2VCC3OUT4PGND5VFWD6SLOPE7FEEDBK8ISET9RAMP10FREQ11VREF12GND13SOFTST14U1UCC3571DC7N/CC8270P_NPOVR120KC1027NC11470P_NPOC210U/50VC122U/35VD11N4
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