Alto_A500.2_Power_Amp_Service_Manual电路图.pdf

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1、 Version 1.0 MODEL: A500.2 RadioFans.CN 收音机爱 好者资料库 CONTENT 1. Introduction.1 2. Specification.2 3. Schematic Diagram.3 4. Wiring Diagram.9 5. Printed Circuit Board.10 6. Exploded View & Mechanical Parts List.11 7. Electrical Parts List.13 RadioFans.CN 收音机爱 好者资料库 1. Introduction 1.5U 1/2 rack, stereo

2、 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. 2480 Watts on 4 ohms (EIAJ) Balanced XLR inputs and 1/4”TRS jack to ensure noiseless long wiring. Neutrik Speak-on connectors for o

3、utput. 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 channel(EIAJ) 4 o

4、hms per channel(EIAJ) 4 ohms per channel(RMS) A500.2 DRAGONFLY 20Hz 20KHz0.1%THD, Stereo Mode MODEL ControlsFRONT: Power switch, CH1 & CH2 LEVEL knobs REAR: CH1 & CH2 LIMITER Indicators (per channel)Power-On: Green LED Clip: Red LED Limit: Yellow LED Signal: Green LED Connectors of each channelInput

5、: COMBO connector Output: NEUTRIK Speak-on connector Power Supply190-240 Vac50Hz / 95-120Vac60Hz Dimension Net Weight 260W 480W 245W (at THD 1%) 3.85 kg (8.49lb) 314W x 208.5D x 66.6H mm / 12.4 x 8.2 x 2.6 Input Sensitivity 4 ohms+3dBu - 2 - 12345678 A B C D 87654321 D C B A R21 82R GND1-1 C11 56pF/

6、50 cer R5 10K GND1 CH1 GAIN C6 100pF/50 cer C9 47uF/25V C5 100pF/50 cer C2 22uF/50V GND1 C1 22uF/50V 3 2 1 U1:1 NJM4580L 5 6 7 U1:2 NJM4580L GND1 R9 10K GND1 R1 15K R4 10K R3 10K R2 15K LED2 RED 1 2 3 CN1 CON3 GND1 CH1-IN R6 10K CLIP SIG LIMITER LED5 GR R22 30R 41 23 U2 VTL5C2 LED1 YEL R19 180R VR1

7、A100K 1 2 3 4 CN8 CON4 R24 82R GND1-1 C12 56pF/50 cer R12 10K GND1 CH2 GAIN C7 100pF/50 cer C10 47uF/25V C8 100pF/50 cer C4 22uF/50V GND1 C3 22uF/50V 3 2 1 U3:1 NJM4580L 5 6 7 U3:2 NJM4580L GND1 R13 10K GND1 R7 15K R8 10K R11 10K R10 15K LED4 RED 1 2 3 CN2 CON3 GND1 CH2-IN R14 10K CLIP SIG LIMITER L

8、ED6 GR R23 30R 41 23 U4 VTL5C2 LED3 YEL R20 180R VR2 A100K 84 U3:3 NJM4580L 84 U1:3 NJM4580L 84 U5:3 NJM4580L 3 2 1 U5:1 NJM4580L 5 6 7 U5:2 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 GND1 GND1 1 2 CN

9、4 CON2 1 2 CN5 CON2 GND1 GND1 GND1 +15V1 -15V1 C21 10u/25V C22 10u/25V 1 2 3 CN6 CON3 1 2 3 4 5 CN7 CON5 1 2 3 4 5 CN3 CON5 GND1-1GND1 CH2-OUT CH1-OUT R15 270R R17 270R - 3 - 3. Schematic Diagram 1234 A B C D 4321 D C B A 1 2 3 4 5 6 X1 X2 X3 CN1 CN-BAL-COMBI 1 2 3 4 5 6 X1 X2 X3 CN2 CN-BAL-COMBI 1

10、2 3 CN5 CON3 1 2 3 CN6 CON3 1 2 3 4 CN9 CON4 1 2 3 SW1:1 SW PS-22E85L 4 5 6 P SW1:2 SW PS-22E85L 1 2 3 SW3:1 SW PS-22E85L 4 5 6 P SW3:2 SW PS-22E85L CH1 CH2 - 4 - 1234 A B C D 4321 D C B A 1 2 CN5 CON2 1 2 CN6 CON2 1 2 CN7 CON2 1 2 CN8 CON2 1+ 1 1- 2 2+ 3 2- 4 CN1 CN-SP 1+ 1 1- 2 2+ 3 2- 4 CN2 CN-SP

11、 CH1_SP+ CH1_SP- CH2_SP+ CH2_SP- - 5 - 12345678 A B C D 87654321 D C B A C20 10U/16V C22 10U/16V C23 2200U/35V C24 2200U/35V R29 100R R30 100R R27 5K60 R26 5K60 C28 560P IN1- 4 IN1+ 5 SGND1 2 OSC 7 MODE 6 IN2- 9 IN2+ 8 SGND2 11 FB1 20 SW1 24 REL1 23 ENA1 21 DIACUR 22 DIATEMP 15 STABEX 18 STABINT 19

12、ENA2 16 REL2 14 SW2 13 FB2 17 VDD1 3 VDD2 10 VSS1 1 VSS2 12 U6 TDA8929 C31 100N/100V GND GND AF IN GND MUTE +25C -25C R28 1K0 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 BOOT1 6 OUT1 7 VSS1 8 VSS2 10 VDD1 5 VDD2 13 U8 TDA8927 -25

13、+25 C40 22N C41 22N C29 560P C32 560P C30 560P C33 560P C151 2N7 COG C18 470N MKT C152 2N7 COG C21 470N MKT C44 100N/100V C50 0.1uF/100V C61 100N/100V C62 1N(NPO) C110 1N(NPO) C105 100U/35V LOW ESR C106 100U/35V LOW ESR R39 5R60 R40 5R60 R41 5R60 R42 5R60 R63 100R R64 100R R65 22R/2W R66 47R0 L3 TWK

14、C-22UH L4 TWKC-22UH L10 TWKC-22UH L11 TWKC-22UH +25-25 +25-25 GNDGND GNDGND GND GNDCASE TE11 GND +25C -25C C5 100N/100V C6 100N/100V C7 100N/100V C71 100N/100V C72 100N/100V C73 100N/100V C45 100N/100V C46 100N/100V C47 100N/100V GND GND +25 -25 R35 1K0 C60 100N/100V C54 220N SW2 17 REL2 16 ENA2 14

15、VSTAB 9 POWUP 15 DIAG 3 ENA1 4 REL1 2 SW1 1 BOOT2 12 OUT2 11 BOOT1 6 OUT1 7 VSS1 8 VSS2 10 VDD1 5 VDD2 13 U9 TDA8927 -25 +25 C42 22N C43 22N C36 560P C38 560P C37 560P C39 560P R43 5R60 R45 5R60 R44 5R60 R46 5R60 R68 47R0 R70 22R/2W C153 2N7 COG C26 470N MKT C154 2N7 COG C27 470N MKT C55 100N/100V C

16、56 100N/100V C63 100N/100V C64 1N(NPO) C111 1N(NPO) L5 TWKC-22UH L12 TWKC-22UH L6 TWKC-22UH L13 TWKC-22UH +25-25 +25-25 GND GNDGNDGNDCASE TE13 C8 100N/100V C9 100N/100V C10 100N/100V -25 -25 fbla sla rla ela dia1 +OUT -OUT R31 27K C34 220N -25C R1 56K D8 ZD5.6 +25C GND MUTE +25 -25 L1 ferrite bead L

17、2 ferrite bead C14 2200U/35V LOW ESR C15 2200U/35V LOW ESR TE1 C16 100N/100V TE2 GND GND -25C GND GND C4 100N/100V TE3 +VCC TE4 GND TE5 -VCC C1 100N/100V C2 100N/100V C3 10N(NPO)GNDCASE L7 WB0610-3.0T L8 WB0610-3.0T C11 100N/100V C12 100N/100V REMOVE 20051213 R71 390/2W R72 390/2W ADD 20051213 ADD 2

18、0051213 REMOVE 20051213 REMOVE 20051213 Modify R65 22R/2W 20051213 Modify R70 22R/2W 20051213 - 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 2200U/25V C22 2200U

19、/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 100N/275V R2 NTC_B57237 VAR1 275V R1 845K R4 845K R3 150K 1 2 3 4 5 6 7 8 9 10 J1 CON10 1 2 3 4 J2 CON4

20、 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 D5 GR

21、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 12 13 14 15 17 1 T2 TF20_13EED 1 2 K1 CON2 1 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

22、1 2 3 4 5 6 7 8 K3 CON8 GND V27N V27NF V27NF V15N V15A GND V27NF 1 2 S1 CON2 R15 1R8 R17 51K R18 51K 1 2 CN1 CON2 AC_INPUT AC_SEL PWR_LED PMPWRCTL_BOARD GND 1 2 3 CN4 CON3 V27N V27NF R20 12R/10W R21 12R/10W C47 180U/25V C48 100N - 7 - 1234 A B C D 4321 D C B A R1 68R0 R2 47R0 R3 1K R4 1K R5 68R0 R6

23、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

24、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 2.2U/35V D1 1N414BS D2 TMBYV10-40 D3 TMBYV10-40 D4 BAS85 C13 27N C12 470P_NPO 4 1 2 5 U3 OPTO CNY17-3T VFWD FFEDBK CURR

25、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 - 8 - - 9 - 4. Wiring Diagram - 10 - 3. Block Diagram PCB : PM 8 PW R B O T T O M LA Y ER B O T T O M O V ERLA Y B O T T O M S O LD ER PCB : PM

26、 8 PW R T O P LA Y ER T O P O V ERLA Y T O P S O LD ER PCB : D 30 0 W B O T T O M LA Y ER B O T T O M O LD ER T O P LA Y ER T O P O V ER: A Y T O P S O LD ER PCB : A 2 - FP B O T T O M LA Y ER B O T T O M S O LD ER PCB : A 2 - FP T O P LA Y ER T O P O V ERLA Y T O P S O LD ER PCB : A 2 - LED T O P O

27、 V ERLA Y PCB : A 2 - LED B O T T O M LA Y ER B O T T O M S O LD ER PCB : A 2 - IN B O T T O M LA Y ER B O T T O M S O LD ER PCB : A 2 - IN T O P O V ERLA Y PCB : PM 8 CT L B O T T O M LA Y ER B O T T O M S O LD ER PCB : PM 8 CT L T O P LA Y ER T O P O V ERLA Y T O P S O LD ER PCB : A 2 - O U T T O

28、P O V ERLA Y PCB : A 2 - O U T B O T T O M LA Y ER B O T T O M S O LD ER 5. Printed Circuit Board - 11 - 6. Exploded View & Mechanical Parts List Part List Mechanical Parts List No. Item NO. Item Description Specification pcs 1 MJ00476 cushion A500.2 top_V1.0 1 2 MC00476 top cover A500.2 bottom_V1.0

29、 1 3 MI02593 front panel A1000.4 right_V1.0 1 4 MI02595 front panel A1000.4 left_V1.0 1 5 MB03849 rear chassis 208.5*64.8*308 1 6 MA00813 panel 205.5*63.6*12 1 7 MC00675 top cover A500.2 DRAGONFLY_V1.0 1 8 MI02588 barrier A500.2 210*90*31.8_V1.0 1 9 NI03389 net A500.2 96*61.6*5t_V1.0 1 10 MG00578 Ni

30、 screw M3*10*0.5PH_V1.0 4 11 HK04930 K-PC board P-A2FP-DIP 1 12 MG00251 copper pillar M3*17.5*0.5PH 4 13 MG00041 black plated screw-pill M3*6 4 14 HI00031 power switch R415KKETOF 1 15 HC00423 AC socket (FUSE socket enclosed) 6A power supply filter with EMI 1 16 MG00042 black plated screw-pan head M3

31、*10 6 17 MG00025 black plated screw-pan head M3*6 26 18 MG00061 black plated screw-pill M3*10 4 19 MG00162 Ni screw-pill M3*8 14 20 MF00037 spring washer 3*5*1t 25 21 MF00014 shake proof washer 3*6.5*0.5t 6 22 NI00498 self-adhesive cushion 12.7*7*6mm(SF-005) 4 23 MJ00942 fixed bracket CS12/600 2 24

32、MG00247 copper pillar M3*10*0.5PH 5 25 HK04933 K-PC board P-A2OUT 1 26 HK04929 K-PC board P-A2IN 1 27 HK04669 K-PC board P-D300W-DIP(A500.2) 2 28 HK04932 K-PC board P-A2LED 1 29 HK04928 K-PC board P-PM8PWR-DIP(A500.2) 1 30 ME00015 nut 3mm 13 31 MK00081 spring piece-black plated 0.4*12*13*28.5mm 4 32

33、 MF00030 Ni washer 3*8*0.8t 16 33 MG00163 Ni screw M3*8 8 34 MG00281 Ni screw M3*6 2 35 MK00080 stator-black plated 0.4*10*12*35mm 4 - 12 - No. Part No. Description Specification Remark 1 SA00052 L.E.D 3 round(green)long foot 26 2 NI00498 self-adhere foot cushion 12.7*7*6mm(SF-005) 3 NI00360 knob 15

34、*15mm 4 NI00262 sleeve 5*25mm 5 NI00258 sleeve 5*1000mm 6 NI00218 cable tie ALT-102SB 7 NI00222 sleeve 1.5*30mm 8 NI00221 sleeve 1.5*1000mm 9 NF02069 instruction A500.2 ALTO_V1.4 10 NH00149 paper 889*640mm 11 NI03389 net A500.2 96*61.6*5t_V1.0 12 NI01863 key-RS 5.5*W10*7.5 13 NI01862 key 5.5*5.5*14.

35、5_V1.1 14 NE11347 label ALTO PI 15 NH00334 cone paper 0.040*1m 16 NF00061 assurance card ALTO 17 NB03378 carton A500.2 ALTO_V1.0 18 NB03372 cushion A500.2_V1.0 19 NB03381 gift carton A500.2 ALTO_V1.0 20 ND00148 silicone sleeve 12*90mm 21 ND00026 silicone sleeve 100*20 22 ND00150 silicone sleeve 12*1

36、50mm 23 ND00026 silicone sleeve 100*20 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 MI02588 barrier A500.2 210*90*31.8_V1.4 28 MJ00057 AL plate-RS 3.0t*2000*1000mm 16.32kg 29 MI02603 front board A500.2 DR

37、AGONFLY left ALTO_V1.0 30 MI02595 front board A1000.4 left 31 MI02596 front board A1000.4 left_V1.0 32 MI02959 front board 6*40*1M(1M/0.59kg) A500.2_V1.0 33 NA00279 clip-chain bag 0.04t*100*150mm_V1.0 34 NA00123 PE bag 0.04t*580*300mm 35 NA00137 clip-chain bag 5*7 36 MJ00476 cushion A500.2 up_V1.1 3

38、7 MJ00477 cushion A500.2 up_V1.2 38 MJ00057 AL plate-RS 3.0t*2000*1000mm 16.32kg 39 MJ00478 cushion A500.2 down_V1.1 40 MJ00479 cushion A500.2 down_V1.2 41 MJ00057 AL plate-RS 3.0t*2000*1000mm 16.32kg 42 MG00025 screw M3*6 - 13 - 7. Electrical Parts List No. Part No. Description Specification Remark

39、 43 MG00027 screw M3*12 44 MG00281 screw M3*6 45 MG00041 screw M3*6 46 MG00031 screw M4*12 47 MG00061 screw M3*10 48 MG00161 screw M3*6 49 NE02717 label MADE IN CHINA 50 NH00038 paper 0.115*1M 51 NI00028 membrane 0.110*1M 52 MG00162 screw M3*8 53 MF00037 washer 3.2*5.5*1t 54 MF00038 washer 4*7*1t 55

40、 MF00048 washer 4*8*0.5t 56 ME00016 color nut 4m/m 57 MD00608 protective cover 32*32mm 58 MF00014 washer 3*6.5*0.5t 59 MC00675 top cover A500.2 DRAGONFLY_V1.3 60 MC00671 top cover A500.2 61 MC00670 top cover 1.2t*208.5*308*1.2 A500.2_V1.5 62 MJ00059 single light board 1.2*2135*1220 24.54kg 63 AE0005

41、5 solvent solvent 64 AE00060 paint 4534 65 MB03849 chassis A500.2 DRAGONFLY _V1.6 66 MB03843 chassis A500.2 67 MB03844 chassis 1.2t*208.5*64.8*308 A500.2_V1.5 68 MJ00059 single light board 1.2*2135*1220 24.54kg 69 ME00038 iron pillar 6.35*M3*8.4_V1.3 70 ME00001 screw pillar M4*10*0.7PH 71 AE00055 so

42、lvent solvent 72 AE00060 paint 4534 73 MH02000 magnet VDGUF-90B 74 MG00578 screw M3*10*0.5PH_V1.0 75 MG00251 copper pillar M3*17.5*0.5PHsingle,length23.5 76 MG00243 copper pillar M3*5*0.5PH 77 MA00813 panel A500.2 DRAGONFLY_V1.1 78 MA00757 panel A500.2 79 MA00760 panel 1.0t*205.5*63.6*12 A500.2_V1.6

43、 80 MJ00058 single light board 1*2135*1220 20.45kg 81 ME00184 iron pillar A200.2 M3*11.2*0.5PH*5.8_V1.0 82 AE00055 solvent solvent 83 AE00067 paint 2514 84 HK04932 PC board P-A2LED - 14 - No. Part No. Description Specification Remark 85 HB01376 PCB A2-LED(3*3)_VER040917 86 RA00168 fixed resistor 1/4

44、W 30 M type R22,R23 87 RA00181 fixed resistor 1/4W 82 M type R21,R24 88 RA00191 fixed resistor 1/4W 180 M type R19,R20 89 RA00196 fixed resistor 1/4W 270 M type R15,R17 90 SA00052 L.E.D 3 round(green)long foot 26 LED5,LED6 91 SA00053 L.E.D 3 round(red)long foot 26mm LED2,LED4 92 SA00054 L.E.D 3m/m r

45、ound(yellow)long foot 26 LED1,LED3 93 HC00067 connector(male) 4P 2.5mm 90 CN8 94 HC00069 connector(male) 5P 2.5mm 90 CN7 95 NI01781 LED spacer support LEDS-8 8mm VR12 96 AC00179 tin without lead M705E Sn 3Ag-0.5Cu VR13 97 HK04930 PC board P-A2FP-DIP VR10 98 CB00143 electrolytic capacitor 10uF/63V 5*

46、11mm C21,C22 99 CB00029 electrolytic capacitor 22uF/35V 5*11mm C1,C2,C3,C4 100 CB00039 electrolytic capacitor 47uF/25V 5*11mm C9,C10 101 HC00076 connector(male) 2P 2.5mm 180 CN4,CN5 102 HC00077 connector(male) 3P 2.5mm 180 CN1,CN2,CN6 103 HC00079 connector(male) 5P 2.5mm 180 CN3 104 RC00209 potentio

47、meter A10K RV110-40E1-225A-A14 VR1,VR2 105 AC00179 tin without lead M705E Sn 3Ag-0.5Cu 106 HK02231 Photodiode P-photosensitive resistance+5LLED U2,U4 107 RH00020 photosensitive resistance VT90N1 108 SA00201 L.E.D 5 red(LI3330/A) R223 109 NI02779 sleeve 9*30mm 110 NI00274 sleeve 9*1000mm R203,R204,R218,R220,R222 111 HK04931 PC board P-A2FP-SMD R217 112 HB01379 PCB A2-FP(3*3)_VER050512 R2