Alto-A400_4-pwr-sm 电路图 维修手册.pdf

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1、 Version 1.0 MODEL: A400.4 RadioFans.CN 收音机爱 好者资料库 CONTENT 1. Introduction.1 2. Specification.2 3. Block Diagram.3 4. Schematic Diagram.4 5. Wiring Diagram.10 6. Printed Circuit Board.11 7. Exploded View & Mechanical Parts List.13 8. Electrical Parts List.15 RadioFans.CN 收音机爱 好者资料库 1. Introduction 1

2、.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

3、 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 - RadioFans.CN 收音机爱 好者资料库 2. Specification 8 ohms per chan

4、nel(EIAJ) 4 ohms per channel(EIAJ) 4 ohms per channel(RMS) A400.4 DRAGONFLY 20Hz 20KHz0.1%THD, Stereo Mode MODEL ControlsFRONT: Power switch, LEVEL knobs REAR: Four LIMITER Switches for channel 1- channel 4 Indicators (per channel) Power-On: Green LED Clip: Red LED Limit: Yellow LED Signal: Green LE

5、D Connectors of each channelInput: COMBO connector Output: 1/4 TS jack connector Power Supply190-240 Vac50Hz / 95-120Vac60Hz Dimension Net Weight 65W 120W (at THD:1%) 3.8Kg 314mm x 208.5mm x 66.6mm Input Sensitivity 4 ohms+3dBu 62W+3W - 2 - 1234 A B C D 4321 D C B A CH1 CH2 CH3 CH4 PRE-AMP D100W AMP

6、 D100W AMP PM8PWR POWER SUPPLY A400.4 BLOCK DIAGRAM - 3 - 3. Block Diagram 1234 A B C D 4321 D C B A 1 2 CN11 CON2 1 2 CN12 CON2 1 2 CN13 CON2 1 2 CN14 CON2 1 2 CN15 CON2 1 2 CN16 CON2 1 2 CN17 CON2 1 2 CN18 CON2 CH1_SP+ CH1_SP- CH2_SP+ CH2_SP- CH3_SP+ CH3_SP- CH4_SP+ CH4_SP- 1 2 3 4 5 6 X1 X2 X3 CN

7、1 CN-BAL-COMBI 1 2 3 4 5 6 X1 X2 X3 CN2 CN-BAL-COMBI 1 2 3 4 5 6 X1 X2 X3 CN3 CN-BAL-COMBI 1 2 3 4 5 6 X1 X2 X3 CN4 CN-BAL-COMBI 1 2 3 CN5 CON3 1 2 3 CN6 CON3 1 2 3 CN7 CON3 1 2 3 CN8 CON3 1 2 3 4 CN9 CON4 1 2 3 4 CN10 CON4 1 2 3 SW1A SW PS-22E85L 4 5 6 P SW1B SW PS-22E85L 1 2 3 SW2A SW PS-22E85L 4

8、5 6 P SW2B SW PS-22E85L 1 2 3 SW3A SW PS-22E85L 4 5 6 P SW3B SW PS-22E85L 1 2 3 SW4A SW PS-22E85L 4 5 6 P SW4B SW PS-22E85L CH1 CH2 CH3 CH4 3c 5e 1a 4d 2b PJ1 PHONEJACK5 (5-PIN) 3c 5e 1a 4d 2b PJ2 PHONEJACK5 (5-PIN) 3c 5e 1a 4d 2b PJ3 PHONEJACK5 (5-PIN) 3c 5e 1a 4d 2b PJ4 PHONEJACK5 (5-PIN) C1 100P

9、C2 100P C3 100P C4 100P C5 100P C6 100P C7 100P C8 100P C9 100P C10 100P C11 100P C12 100P TP1 TP-2 - 4 - 4. Schematic Diagram 12345678 A B C D 87654321 D C B A C11 56pF/50 cer R5 10K GND CH1 GAIN C6 100pF/50 cer C9 47uF/25V C5 100pF/50 cer C2 22uF/50V GND C1 22uF/50V 3 2 1 U1A NJM4580L 5 6 7 U1B NJ

10、M4580L GND R9 10K GND R1 15K R4 10K R3 10K R2 15K 1 2 3 CN1 CON3 GND CH1-IN R6 17K4 41 23 U2 VTL C12 56pF/50 cer R12 10K GND CH2 GAIN C7 100pF/50 cer C10 47uF/25V C8 100pF/50 cer C4 22uF/50V GND C3 22uF/50V 3 2 1 U3A NJM4580L 5 6 7 U3B NJM4580L GND R13 10K GND R7 15K R8 10K R11 10K R10 15K 1 2 3 CN2

11、 CON3 GND CH2-IN R14 17K4 41 23 U4 VTL 84 U3C NJM4580L 84 U1C NJM4580L 84 U5C NJM4580L 3 2 1 U5A NJM4580L 5 6 7 U5B NJM4580L C13 56pF/50 cer C14 56pF/50 cer C15 104P C16 104P C17 104P C18 104P C19 104P C20 104P R25 10K R26 82K R27 10K R29 82K R28 10K R30 10K GND GND 1 2 3 CN4 CON3 GND 15V -15V 1 2 3

12、 CN6 CON3 CH2-OUT CH1-OUT C30 56pF/50 cer R35 10K GND CH3 GAIN C28 100pF/50 cer C29 47uF/25V C27 100pF/50 cer C24 22uF/50V GND C23 22uF/50V 3 2 1 U6A NJM4580L 5 6 7 U6B NJM4580L GND R39 10K GND R31 15K R34 10K R33 10K R32 15K 1 2 3 CN9 CON3 GND CH3-IN R36 17K4 41 23 U7 VTL C34 56pF/50 cer R42 10K GN

13、D CH4 GAIN C33 100pF/50 cer C44 47uF/25V C32 100pF/50 cer C26 22uF/50V GND C25 22uF/50V 3 2 1 U8A NJM4580L 5 6 7 U8B NJM4580L GND R43 10K GND R37 15K R38 10K R41 10K R40 15K 1 2 3 CN10 CON3 GND CH4-IN R44 17K4 41 23 U9 VTL 3 2 1 U10A NJM4580L 5 6 7 U10B NJM4580L C31 56pF/50 cer C35 56pF/50 cer R55 1

14、0K R56 82K R57 10K R59 82K R58 10K R60 10K GND GND 1 2 3 CN12 CON3 GND CH4-OUT CH3-OUT 84 U8C NJM4580L 84 U6C NJM4580L 84 U10C NJM4580L C36 104P C37 104P C38 104P C39 104P C40 104P C41 104P GND C42 220u/25V C43 220u/25V R21 82R CLIP SIG LIMITER R22 30R R19 180R VR1 A10K 1 2 3 4 CN3 CON4 R24 82R CLIP

15、 SIG LIMITER R23 30R R20 180R VR2 A10K 1 2 3 4 5 CN8 CON5 1 2 3 4 5 CN5 CON5 R15 270R R17 270R R51 82R R52 30R R49 180R VR3 A10K 1 2 3 4 CN7 CON4 R54 82R R53 30R R50 180R VR4 A10K 1 2 3 4 5 CN13 CON5 1 2 3 4 5 CN11 CON5 R45 270R R47 270R CLIP SIG LIMITER CLIP SIG LIMITER GND GND GND GND - 5 - 1234 A

16、 B C D 4321 D C B A LED1 RED LED3 GR LED2 YEL 1 2 3 4 5 CN1 CON5 LED4 RED LED6 GR LED5 YEL 1 2 3 4 5 CN2 CON5 - 6 - 12345678 A B C D 87654321 D C B A IC4 7815 IC2 7915 C16 100N C14 100N C25 100N C12 470N C13 470N C9 180U/25V C30 100U/25V C26 100U/25V C21 2200U/25V C20 2200U/25V C24 2200U/25V C23 220

17、0U/25V C22 2200U/25V C19 2200U/25V L5 1uH/12A L6 1uH/12A D1 KBU8M C7 470U/200V C8 470U/200V C36 470U/200V C37 470U/200V C2 2N2/400V C3 2N2/400V C38 2N2/400V C39 2N2/400V L2 1uH/12A L3 1uH/12A R13 150K R14 150K C1 14D391K R2 NTC_B57237 CX2 1u/275V R1 845K R4 845K R3 150K 2 4 6 7 8 9 10 J1 CON10 2 4 J

18、2 CON4 Q2 BC640 R8 6R80 D7 BZT03-C16 D2 BYV27-150 D8 BYV27-150 C5 100N IC1 L7812CV C4 330U/25V C6 100U/25V P1 P P3 P P2 P A2A1 G Q1 BT139 M2 STW9NK90Z D12A 30CPQ150 D12B 30CPQ150 D9B 30CPQ150 D9A 30CPQ150 3 4 1 2 T1 PE67100 1 3 2 4 L1 TL25-050-182 R11 75R0 R12 150R R6 270R R5 270R R10 2K2 D4 1N4148

19、D5 GR 24 L4A LF20_13EED 911 L4B LF20_13EED 1210 L4C LF20_13EED 1315 L4D LF20_13EED 1614 17 L4E LF20_13EED 2 3 4 5 7 8 10 2 13 4 15 17 1 T2 TF20_13EED 2 K1 CON2 2 K4 CON2 V27NY V27N V27NY V27N GND GND V15A V15N V27NFB V27NFB C10 470P/500V C11 470P/500V C41 100N R9 10R/30W GND 1 2 3 4 5 6 7 8 K2 CON8

20、1 2 3 4 5 6 7 8 K3 CON8 GND V27N V27NF V27NF V15N V15A GND V27NF 1 2 S1 CON2 R15 1R8 AC_INPUT AC_SEL PMPWRCTL_BOARD GND 1 2 3 CN4 CON3 V27N V27NF R20 12R/10W R21 12R/10W C47 180U/25V C48 100N D3 1N4007 C49 100N CX1 0.47u R7 1M 1 3 2 4 L7 TL25-050-182 CY1 222P CY2 222P R0 10K ADD R0 20060120 - 7 - 12

21、345678 A B C D 87654321 D C B A C20 10U/16V C22 10U/16V C23 2200U/35V C24 2200U/35V R27 5K60 R26 5K60 C28 560P N1- 4 N1+ 5 SGND1 2 OSC 7 MODE 6 N2- 9 N2+ 8 SGND2 11 FB1 20 SW1 24 REL1 23 ENA1 21 DIACUR 22 DIATEMP 15 STABEX 18 STABINT 19 ENA2 16 REL2 14 SW2 13 FB2 17 VDD1 3 VDD2 10 VSS1 1 VSS2 12 U6

22、TDA8929 C31 0.1uF/100V GND GND MUTE +25C -25C R281K0 C48 220N -25C C59 1N C49 220N SW2 17 REL2 16 ENA2 14 VSTAB 9 POWUP 15 DIAG 3 ENA1 4 REL1 2 SW1 1 BOOT2 12 OUT2 11 BOOT 6 OUT 7 VSS1 8 VSS2 10 VDD1 5 VDD2 13 U8 TDA8927 -25 +25 C40 22N C41 22N C29 560P C32 560P C30 560P C33 560P C151 2N7 COG C18 47

23、0N MKT C152 2N7 COG C21 470N MKT C50 0.01uF C61 470N C62 1N(NPO) C110 10N(NPO) C105 100U/35V LOW ESR C106 100U/35V LOW ESR R39 5R60 R40 5R60 R41 5R60 R42 5R60 R63 100R R64 100R R65 47R 1/4W R66 47R 1/4W L3 TWKC-22UH L4 TWKC-22UH L10 TWKC-22UH L11 TWKC-22UH +25-25 +25-25 GNDGND GNDGNDGNDGND CASE TE6

24、GND +25C -25C C5 470N C6 0.1uF/100V C7 470N C45 220N C46 NOT USE C47 220N GND GND +25 -25 C60 470N C55 0.1uF/100V TE7 C8 220N C9 NOT USE C10 220N -25 R31 27K C34 220N -25C R1 56K D8 ZD5.6 +25C GND MUTE +25 -25 L1 ferrite bead L2 ferrite bead TE1 C16 0.1uF/100V -25C GND GND C4 0.1uF/100V TE3 +VCC TE4

25、 GND TE5 -VCC C56 0.01uF C64 1N(NPO) C111 10N(NPO) R68 47R 1/4W R70 47R 1/4W GND GND CASE C14 10U/16V C15 10U/16V R3 5K60 R2 5K60 C3 560P GND TE2 2 CN1 CON3 L5 ferrite bead L6 ferrite bead C1 0.1uF50V C2 0.1uF50V TE8 C13 10N(NPO) - 8 - 1234 A B C D 4321 D C B A R1 68R0 R2 47R0 R3 1K R4 1K R5 68R0 R6

26、 19K6 R7 150R R8 10K R9 27K R10 28K R11 10K R12 2K2 R13 24K R14 180R R15 4R30 R16 10R7 R17 180R R18 75R0 R19 1K R20 1K R22 19K6 COL 1 COMP 2 VCC 3 EA+ 4 REF 5 EA- 6 GND 7 ISET 8 U2 UC39432BD 1 2 3 4 J2 CON4 C4 68N C5 47P C6 27N C3 3N3 C18 470P_NPO C16 27N C17 470N C15 68N C14 27N VCC2 VCC2 VCC2 VCC1

27、 COUNT 1 ILIM 2 VCC 3 OUT 4 PGND 5 VFWD 6 SLOPE 7 FEEDBK 8 ISET 9 RAMP 10 FREQ 11 VREF 12 GND 13 SOFTST 14 U1 UCC3571D C7 N/C C8 270P_NPO VR1 20K C10 27N C11 470P_NPO C2 10U/50V C1 22U/35V D1 1N414BS D2 TMBYV1 -40 D3 TMBYV10-40 D4 BAS85 C13 27N C12 470P_NPO 4 1 2 5 U3 OPTO CNY17-3T VFWD FFEDBK CURR

28、CURR/10 OUT 1 2 3 4 5 6 7 8 9 10 J1 CON10 OUT CURR CURR/10 VFWD FFEDBK VCC1 R23 100K 040515 modify C7-N/C C8-270P_NPO R10-28K R11-10K 050111 modify R15-4R30 - 9 - - 10 - 5. Wiring Diagram - 11 - - 12 - - 13 - - 14 - No. Part No. Description Specification Remark 1 MA05618 panel A400.4 DRAGONFLY ALTO_

29、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 lef

30、t_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

31、.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 MI0259

32、3 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 MC00

33、670 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 2

34、50V 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 List No. Part No. Description Specification Remark 43 NI00360 knob 15*15mm 44 SA00052 L.E.D 3 round(green)long foot 26 45 NI002

35、22 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

36、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 HA035

37、06 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

38、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

39、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 balanc

40、e 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

41、 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 100

42、mm 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 resis

43、tor 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

44、,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

45、 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 rou

46、nd(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,R 27,R28,R30,R33,R34,R35,R38,R39,R 41,R42,R43,R55

47、,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