Alto-MC500_4-pwr-sm 电路图 维修手册.pdf

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1、 Service Manual Version: .1.0 Model: MC500.4 RadioFans.CN 收音机爱 好者资料库 INSTRUCTION LTOMCamplifiersareseriesofinnovativedesignpoweramplifiers.Airflowisfrom thefronttothebacktokeepinaniceaircirculationinsidetherack.Theautomaticfan whichisaffectedbythemachinetemperatureincludesvariouskindsofspeed.Thislow

2、-noise fanmakesagoodresultincoolingtheheatfrommachines. LTOMC500.4amplifierinclude4independentchannelswith separateandpowersupply.Theindependentprotectionsystemavoidsover-heating. Innovativedesignandstabilitypoweramplifier Fan-cooledABclasshighpoweramplifierin19rack,2Usize Ruggedamplifierinastrong,c

3、ompactchassis Indicators:operation/protection,limit,par,brdg,clip,LEVEL:-20and-10dB User-controllablecliplimiter Auto-adjustingspeedfan 4independentchannelswithseparateprotectionsystem Smart-designedprotectionsystemforautore-operationafterfault Parallel-input:CH1toCH2,CH3toCh4 Allowingtheselectionof

4、StereoorBridgeoperation LowPassFilter:Allowselectionofflat,35Hzor75Hz RadioFans.CN 收音机爱 好者资料库 123456 A B C D 654321 D C B A POWER SWITCH CIRCUIT BREAKER POWER 1 BRIDGE C OUTPUT1 POWER 2 BRIDGE C OUTPUT2 POWER 3 BRIDGE C OUTPUT3 POWER 4 BRIDGE C OUTPUT4 1 2 3 CH1 INPUT 1 2 3 CH2 INPUT CH1 LEVEL CH2 L

5、EVEL 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 ON CH1 / CH2 MODE SWITCH 1.CLIP LIMIT-CH1 10.CLIP LIMIT-CH2 3.FILTER_FEQ-CH1 8.FILTER_FEQ-CH2 2.FILTER-ON/OFF-CH1 9.FILTER-ON/OFF-CH2 4.PARALLEL+ 5.PARALLEL- 6.PARALLEL-LED 7.BRIDGE ON/OFF MODE SWITCH SETTINGS FAN BRIDGE C G1 2 1 3 CH1 Heat Prot

6、ection 2 1 3 CH1 Heat Protection 1 2 3 CH3 INPUT 1 2 3 CH4 INPUT CH3 LEVEL CH4 LEVEL 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 ON CH3 / CH4 MODE SWITCH 1.CLIP LIMIT-CH3 10.CLIP LIMIT-CH4 3.FILTER_FEQ-CH3 8.FILTER_FEQ-CH4 2.FILTER-ON/OFF-CH3 9.FILTER-ON/OFF-CH4 4.PARALLEL+ 5.PARALLEL- 6.PARAL

7、LEL-LED 7.BRIDGE ON/OFF MODE SWITCH SETTINGS 2 1 3 CH3 Heat Protection 2 1 3 CH4 Heat Protection 03_1 RadioFans.CN 收音机爱 好者资料库 1234 A B C D 4321 D C B A BD1_1 10A/600V C1_1 4700uF/80V C1_2 4700uF/80V AC-1 AC-2 DC+ DC- BD2_1 10A/600V C2_1 4700uF/80V C2_2 4700uF/80V AC-1 DC_PROT AC-2 DC+ DC- GND BD3_1

8、10A/600V C3_1 4700uF/80V C3_2 4700uF/80V AC-1 DC_PROT AC-2 DC+ DC- GND BD4_1 10A/600V C4_1 4700uF/80V C4_2 4700uF/80V AC-1 DC_PROT AC-2 DC+ DC- GND MC4-PWR.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 23-Jun-2005 YANG ALTO : MC-SERIES POWER-BOARD 11of MC500.4 POWER VER050603 A4 1 2 P

9、1 CN-PCB6.3 1 2 P2 CN-PCB6.3 1. COMPONENTS WITHARE SAFETY CRITICAL PARTS. 115V or 120V 115V or 120V 0V 0V T130 T130 1 2 P3 CN-PCB6.3 1 2 P4 CN-PCB6.3 1 2 P5 CN-PCB6.3 1 2 P6 CN-PCB6.3 1 2 P7 CN-PCB6.3 1 2 P8 CN-PCB6.3 POWER SWITCH D1_1 1N4004D2_1 1N4004 D3_11N4004D4_11N4004 R1_1 120K R2_1 120K R3_1

10、120KR4_1 120K R1NP35L-Y2 R5 3K9 10W R6 3K9 10W D1 1N4004 C1 1000uF/63V 1 2 CN1 CON2 1 2 3 J1_1 CON3 GND 1 2 3 4 J1_2 CON4 GND DC_PROT 1 2 3 J4_1 CON3 1 2 3 4 J4_2 CON4 1 2 3 4 J2_2 CON4 1 2 3 J2_1 CON3 GND GND 1 2 3 J3_1 CON3 GND 1 2 3 4 J3_2 CON4 RLY AC230V RLY AC230V NEUTRAL TRANS-IN SWITCH NEUTRA

11、L TP3 TP-2 1 2 TP1 CON2 1 2 TP2 CON2 R2NP35L-Y2 R3NP35L-Y2 SWITCH 04_1 1234 A B C D 4321 D C B A 1 2 3 CN1 CON3 1 2 3 CN2 CON3 1 2 3 CN3 CON3 1 2 3 CN4 CON3 1 2 3 CN5 CON3 1 2 3 CN6 CON3 1 2 3 CN7 CON3 1 2 3 CN8 CON3 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 ON JP1 HEADER 10X2 1 2 3 4 5 6 7

12、8 9 1011 12 13 14 15 16 17 18 19 20 ON JP2 HEADER 10X2 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 ON JP3 HEADER 10X2 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 ON JP4 HEADER 10X2 GND1GND1 CH1_IN+CH2_IN+ CH1_IN-CH2_IN- 1.CLIP LIMIT-CH1 10.CLIP LIMIT-CH2 3.FILTER_FEQ-CH1 8.FILTER_FEQ-CH2

13、 2.FILTER-ON/OFF-CH1 9.FILTER-ON/OFF-CH2 4.PARALLEL+ 5.PARALLEL- 6.PARALLEL-LED 7.BRIDGE ON/OFF MODE SWITCH SETTINGS CH1_IN+ CH1_IN- CH2_IN+ CH2_IN- CH2 BRIDGE CH1_LIM_SW1CH1_LIM_SW2 CH2_LIM_SW1CH2_LIM_SW2 GND2GND2 CH3_IN+CH4_IN+ CH3_IN-CH4_IN- CH3_IN+ CH3_IN- CH4_IN+ CH4_IN- CH4 BRIDGE CH3_LIM_SW1C

14、H3_LIM_SW2 CH4_LIM_SW1CH4_LIM_SW2 GND3GND3 CH5_IN+CH6_IN+ CH5_IN-CH6_IN- CH5_IN+ CH5_IN- CH6_IN+ CH6_IN- CH6 BRIDGE CH5_LIM_SW1CH5_LIM_SW2 CH6_LIM_SW1CH6_LIM_SW2 GND4GND4 CH7_IN+CH8_IN+ CH7_IN-CH8_IN- CH7_IN+ CH7_IN- CH8_IN+ CH8_IN- CH8 BRIDGE CH7_LIM_SW1CH7_LIM_SW2 CH8_LIM_SW1CH8_LIM_SW2 12 34 56 7

15、8 910 1112 1314 1516 1718 1920 JP5 HEADER 10X2 12 34 56 78 910 1112 1314 1516 1718 1920 JP6 HEADER 10X2 12 34 56 78 910 1112 1314 1516 1718 1920 JP7 HEADER 10X2 12 34 56 78 910 1112 1314 1516 1718 1920 JP8 HEADER 10X2 GND1 GND1 CH1_IN+ CH1_IN- CH2_IN+ CH2_IN- CH2 BRIDGE CH1_LIM_SW1 CH1_LIM_SW2 CH2_L

16、IM_SW1 CH2_LIM_SW2 CH1-FILTER CH1-FILTER35HzCH1-FILTER75Hz CH2-FILTER75HzCH2-FILTER35Hz CH2-FILTER GND1GND3 GND2GND4 CH1-FILTER CH1-FILTER35HzCH1-FILTER75Hz CH2-FILTER75HzCH2-FILTER35Hz CH2-FILTER CH1/2-PAR_LED CH1/2-PAR_LED GND2 GND2 CH3_IN+ CH3_IN- CH4_IN+ CH4_IN- CH4 BRIDGE CH3_LIM_SW1 CH3_LIM_SW

17、2 CH4_LIM_SW1 CH4_LIM_SW2 CH3-FILTER CH3-FILTER35HzCH3-FILTER75Hz CH4-FILTER75HzCH4-FILTER35Hz CH4-FILTER CH3/4-PAR_LED GND3 GND3 CH5_IN+ CH5_IN- CH6_IN+ CH6_IN- CH6 BRIDGE CH5_LIM_SW1 CH5_LIM_SW2 CH6_LIM_SW1 CH6_LIM_SW2 CH5-FILTER CH5-FILTER35HzCH5-FILTER75Hz CH6-FILTER75HzCH6-FILTER35Hz CH6-FILTER

18、 CH5/6-PAR_LED CH5-FILTER CH5-FILTER35HzCH5-FILTER75Hz CH6-FILTER75HzCH6-FILTER35Hz CH6-FILTER CH5/6-PAR_LED CH3-FILTER CH3-FILTER35HzCH3-FILTER75Hz CH4-FILTER75HzCH4-FILTER35Hz CH4-FILTER CH3/4-PAR_LED CH7-FILTER CH7-FILTER35HzCH7-FILTER75Hz CH8-FILTER75HzCH8-FILTER35Hz CH8-FILTER CH7/8-PAR_LED GND

19、4 GND4 CH7_IN+ CH7_IN- CH8_IN+ CH8_IN- CH8 BRIDGE CH7_LIM_SW1 CH7_LIM_SW2 CH8_LIM_SW1 CH8_LIM_SW2 CH7-FILTER CH7-FILTER35HzCH7-FILTER75Hz CH8-FILTER75HzCH8-FILTER35Hz CH8-FILTER CH7/8-PAR_LED MC8-IN.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 14-Apr-2005 YANG ALTO : MC-SERIES INPUT-

20、BOARD 11of MC-SERIES VER050103 A4 04_2 1234 A B C D 4321 D C B A MC8-SW.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 14-Apr-2005 YANG ALTO : MC-SERIES SW-BOARD 11of MC-SERIES VER040526 A4 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 ON J1 HEADER 10X2 1 2 3 4 5 6 7 8 9 1011 12 13

21、 14 15 16 17 18 19 20 ON SW1 DIP-SW 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 ON J2 HEADER 10X2 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 ON SW2 DIP-SW 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 ON J3 HEADER 10X2 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 ON SW3 DIP-SW

22、1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 ON J4 HEADER 10X2 1 2 3 4 5 6 7 8 9 1011 12 13 14 15 16 17 18 19 20 ON SW4 DIP-SW 04_3 12345678 A B C D 87654321 D C B A MC4-LED.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 14-Apr-2005 YANG ALTO : MC4-LED-BOARD 11of MC4-SERIES VER050

23、126 A3 Vic- Vic+ Vic2- Vic2+ LD1_2 RED LD1_6 GR LD1_1 GR LD1_3 YEL LD1_4 YEL LD2_1 GR LD2_3 YEL LD2_4 YEL LD2_2 RED CLIP -10dB -20dB PROT LIMITPARBRIDGE PROT LIMITCLIP Vic- Vic+ R1 4K7 R2 4K7 Vic2- Vic2+ R1_4 10K R1_6 56R R1_8 1M Vic+ CH1-LEVEL CH2-LEVEL CH1-LEVELCH2-LEVEL 12 34 56 78 910 1112 1314

24、1516 1718 1920 J2HEADER 10X2 Vic3- Vic3+ Vic4- Vic4+ LD3_2 RED LD3_1 GR LD3_3 YEL LD3_4 YEL LD4_1 GR LD4_3 YEL LD4_4 YEL LD4_2 RED CLIP PROT LIMITPARBRIDGE PROT LIMITCLIP Vic3- Vic3+ R3 4K7 R4 4K7 Vic4- Vic4+ CH3-LEVEL CH4-LEVEL CH3-LEVELCH4-LEVEL 3 2 1 U1A 4580 5 6 7 U1B 4580 48 U1C 4580 Vic- Vic3+

25、 48 U3C 4580 Vic3- Vic2+ 3 2 1 U2A 4580 5 6 7 U2B 4580 48 U2C 4580 Vic2- Vic4+ 48 U4C 4580 Vic4- 12 34 56 78 910 1112 1314 1516 1718 1920 J1 HEADER 10X2 GND1 GND2 GND2 Vic+ R5 100K 1/4W POWER ON 1 2 CN1 CON2 Vic+ Vic- R1_10 1K R1_12 1K GND1 TR1_2 CI815 R1_2 100K LD1_5 GR R1_7 1M Vic+ Vic- R1_9 1K R1

26、_11 1K TR1_1 CI815 R1_1 100K R1_3 10K R1_5 150R LD2_6 GR -10dB -20dB R2_4 10K R2_6 56R R2_8 1M Vic2+ Vic2- R2_10 1K R2_12 1K GND1 TR2_2 CI815 R2_2 100K LD2_5 GR R2_7 1M Vic2+ Vic2- R2_9 1K R2_11 1K TR2_1 CI815 R2_1 100K R2_3 10K R2_5 150R LD3_6 GR -10dB -20dB R3_4 10K R3_6 56R R3_8 1M 3 2 1 U3A 4580

27、 5 6 7 U3B 4580 Vic3+ Vic3- R3_10 1K R3_12 1K TR3_2 CI815 R3_2 100K LD3_5 GR R3_7 1M Vic3+ Vic3- R3_9 1K R3_11 1K TR3_1 CI815 R3_1 100K R3_3 10K R3_5 150R GND1GND1 GND2 GND2 LD4_6 GR -10dB -20dB R4_4 10K R4_6 56R R4_8 1M 3 2 1 U4A 4580 5 6 7 U4B 4580 Vic4+ Vic4- R4_10 1K R4_12 1K TR4_2 CI815 R4_2 10

28、0K LD4_5 GR R4_7 1M Vic4+ Vic4- R4_9 1K R4_11 1K TR4_1 CI815 R4_1 100K R4_3 10K R4_5 150R GND2 Vic- 04_4 1234 A B C D 4321 D C B A MC4-VR.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 14-Apr-2005 YANG ALTO : MC-SERIES VR-BOARD 11of MC-SERIES VER050105 A4 VR1 A10K 1 2 3 CN1 3P2.5 VR3 A

29、10K 1 2 3 CN3 3P2.5 VR2 A10K 1 2 3 CN2 3P2.5 VR4 A10K 1 2 3 CN4 3P2.5 04_5 1234 A B C D 4321 D C B A 1 2 3 4 5 6 CN1 CON6 1 2 3 4 5 6 CN2 CON6 1 2 CN3 CON2 1 2 CN4 CON2 MC4-OUT.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 23-Jun-2005 YANG ALTO : MC4-OUT-BOARD 11of MC-SERIES VER050509

30、 A4 12 34 56 78 RL1 RELAY-2-24 12 34 56 78 RL2 RELAY-2-24 +V_RELAY NEUTRAL +V_RELAY NEUTRAL 1 2 CN5 CON2 1 2 CN6 CON2 1 2 CN7 CON2 04_6 12345678 A B C D 87654321 D C B A 4700uF/80V R1_13 22R 1W R1_19 0.1R 3W R1_23 0.1R 3W Q1_7 D1_6 1N4148 +73V_A D1_15 1N4004 GND1 2xMJL21193 Q1_1 MJE15032 R1_21 500R

31、3W C1_13 22nF/100V poly C1_11 3.3nF/50 cer C1_12 3.3nF/50 cer R1_17 4R7 R1_18 4R7 GND1 D1_19 1N4148 Q1_2 MJE15033 D1_10 1N4148 Q1_4Q1_8 R1_14 22R 1W R1_20 0.1R 3W R1_24 0.1R 3W GND1 -73V_A D1_17 1N4004 D1_11 1N4937 D1_12 1N4937 C1_9 2.2nF/50 cer C1_10 22nF/50 cer D1_13 ZD3V9 1/2W R1_9 820R R1_11 1K5

32、/5W R1_10 820R R1_12 1K5/5W D1_14 ZD3V9 1/2W D1_7 1N4148 Vic+ D1_3 ZD15V1.5W C1_8 220uF/25V GND1 R1_32 100R GND1 Vic- C1_5 56pF/50 cer R1_3 10K C1_7 27pF/50 cer R1_6 12KSPEAKERS BUS R1_5 330R C1_6 47uF/16NP GND1 R1_30 4K7(N/C) R1_31 4K7(N/C) GND1 CH1 GAIN C1_27 47uF/25V D1_8 ZD15V1.5W C1_4 220uF/25V

33、 GND1 C1_25 100pF/50 cer C1_26 47uF/25V C1_3 100pF/50 cer C1_23 10uF/63V GND1 C1_24 10uF/63V R1_8 NTC 50R R1_16 TRIMMER 100R 3 2 1 U1_1A NJM4580L 5 6 7 U1_1B NJM4580L 84 U1_1C NJM4580L Vic+ Vic- Q1_3 1 2 3 R1_29 3P-2.5 MC4-500MN-CH1.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 23-Jun

34、-2005 YANG ALTO MC-AMP 21of MC500.4 VER050615 A2 5 6 7 U1B NJM4580L R1_42 4K7 1/8W R1_41 4K7 1/8W D1_9 W2-04 GND1 R1_25 47R 41 23 U1_2 VTL5C2 GND1 (FTR VT90N1 VACTEC+) GND1 12 34 56 78 910 1112 1314 1516 1718 1920 J4 HEADER 10X2 GND1GND1 L1_1 2uH 10A R1_26 5R6 2W R1_22 10R 3W C1_2 100nF/250V poly GN

35、D1 CH1 OUTPUT 1+ 1- GND1 TO SPEAKON PCB R1_36 0R C1_1 47uF/100V D1_2 0R R1_39 PTC 65R CH1 PHOTO COUPLER -15V +15V GND1 R1_37 10K5 (1.5A 200V) (1.5A 200V) 4700uF/80V R1_7 300R R1_4 300R 11A 6A 6A C1_14 3.3nF/100 poly R1_15 150R 0.2A 0.2A 84 U1C NJM4580L D1_18 3mm RED LED CH1_LIM_SW1 CH1_LIM_SW2 D1_21

36、 3mm YELLOW LED R1_27 10K R1_1 10K R1_2 10K R1_28 10K CH1 IN+ CH1 IN- CH1 IN+ CH1 IN- CH2 IN+ CH2 IN- BRIDGE CH1_LIM_SW1 CH1_LIM_SW2 CH2_LIM_SW1 CH2_LIM_SW2 CH1 BRIDGE SWITCH Pout=418W RMS 4 Ohm Vic- Vic+ OPERATING OUTPUT_1OUTPUT1 OUTPUT_1 R1_34 47K R1_38 20K 100R 10K D1_5 ZD15V1.3W D1_4 5mm RED LED

37、 GND1 GND1 +73V_A -73V_A R1_35 100K R1_40 6K8 Q1_6 MPSA42 Q1_5 MPSA92 Vic+ Vic- GND1 CLIP J1_4 TP1 J1_5 TP1 D1_20 W2-04 J1_7 TP1 J1_8 TP1 J1_9 TP1 J1_10 TP1 V+ V- AC1 GND CH2-AMP MC4-500MN-CH2.SCH Vic+ Vic- CH1-FILTER CH1-FILTER35HzCH1-FILTER75Hz CH2-FILTER75HzCH2-FILTER35Hz CH2-FILTER CH1/2-PAR_LED

38、 3 2 1 U1A NJM4580L C1_15 0.047uF/50 cer C1_16 0.22uF/50 cer C1_17 0.1uF/50 cer R1_43 4K75 R1_44 15K R1_45 47K5 CH1-FILTER CH1-FILTER35Hz CH1-FILTER75Hz 1 2 D1_16 CON2 CH1_LEVEL 1 2 J1 CON2 CH1_LEVEL CH2_LEVEL 12 34 56 78 910 1112 1314 1516 1718 1920 HEADER 9X2 J3 PIN.9.10-J1 PIN.1.2-D1_18 PIN.3.4-D

39、1_21 PIN.5.6-D1_16 PIN.7.8-D1 PIN.11.12-D2 PIN.17.18-D2_18 PIN.15.16-D2_21 PIN.13.14-D2_16 041118 modify 041118 modify 041118 modify 1 2 GND1 CON2 GND1 GND1 C2 470u/35V 1 2 CN1 CON2 G1 +15V D31N4004 U4 7815 C1 470u/35V 1 2 CN2 CON2 D4 1N4004 TP1 TP-2 R9 47K 1N5929B 1N5929B 04_7 12345678 A B C D 8765

40、4321 D C B A 4700uF/80V R2_13 22R 1W R2_19 0.1R 3W R2_23 0.1R 3W Q2_7 D2_6 1N4148 +73V_B D2_15 1N4004 GND1 2xMJL21193 Q2_1 MJE15032 R2_21 500R 3W C2_13 22nF/100V poly C2_11 3.3nF/50 cer C2_12 3.3nF/50 cer R2_17 4R7 R2_18 4R7 GND1 D2_19 1N4148 Q2_2 MJE15033 D2_10 1N4148 Q2_4Q2_8 R2_14 22R 1W R2_20 0.

41、1R 3W R2_24 0.1R 3W GND1 -73V_B D2_17 1N4004 D2_11 1N4937 D2_12 1N4937 C2_9 2.2nF/50 cer C2_10 22nF/50 cer D2_13 ZD3V9 1/2W R2_9 820R R2_11 1K5/5W R2_10 820R R2_12 1K5/5W D2_14 ZD3V9 1/2W D2_7 1N4148 Vic2+ D2_3 ZD15V1.5W C2_8 220uF/25V GND1 D2_20 W2-04 R2_32 100R GND1 Vic2- C2_5 56pF/50 cer R2_3 10K

42、 C2_7 27pF/50 cer R2_6 12KSPEAKERS BUS R2_5 330R C2_6 47uF/16NP GND1 R2_30 4K7(N/C) R2_31 4K7(N/C) GND1 CH1 GAIN C2_27 47uF/25V D2_8 ZD15V1.5W C2_4 220uF/25V GND1 C2_25 100pF/50 cer C2_26 47uF/25V C2_3 100pF/50 cer C2_23 10uF/63V GND1 C2_24 10uF/63V R2_8 NTC 50R R2_16 TRIMMER 100R 3 2 1 U2_1A NJM458

43、0L 5 6 7 U2_1B NJM4580L Q2_3 1 2 3 R2_29 3P-2.5 MC4-500MN-CH2.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 23-Jun-2005 YANG ALTO MC- AMP 22of MC500.4 VER050615 A2 5 6 7 U2B NJM4580L R2_42 4K7 1/8W R2_41 4K7 1/8W D2_9 W2-04 GND1 R2_25 47R 41 23 U2_2 VTL5C2 GND1 (FTR VT90N1 VACTEC+) GN

44、D1 L2_1 2uH 10A R2_26 5R6 2W R2_22 10R 3W C2_2 100nF/250V poly GND1 CH1 OUTPUT 1+ 1- GND1 TO SPEAKON PCB R2_36 0R C2_1 47uF/100V D2_2 0R R2_39 PTC 65R CH1 PHOTO COUPLER -15V +15V GND1 (1.5A 200V) (1.5A 200V) 4700uF/80V R2_7 300R R2_4 300R 11A 6A 6A C2_14 3.3nF/100 poly R2_15 150R 0.2A 0.2A D2_18 3mm

45、 RED LED CH2_LIM_SW1 CH2_LIM_SW2 D2_21 3mm YELLOW LED R2_27 10K R2_1 10K R2_2 10K R2_28 10K CH2 IN+ CH2 IN- CH2 BRIDGE Pout=418W RMS 4 Ohm Vic2- Vic2+ OPERATING LED OUTPUT_2OUTPUT2 OUTPUT_2 R2_34 47K R2_38 20K 100R 10K D2_5 ZD15V1.3W D2_4 5mm RED LED GND1 GND1 +73V_B -73V_B R2_35 100K R2_40 6K8 Q2_6

46、 MPSA42 Q2_5 MPSA92 Vic2+ Vic2- GND1 CLIP-LED 84 U2_1C NJM4580L Vic2+ Vic2- J2_4 TP1 J2_5 TP1 J2_7 TP1 J2_8 TP1 J2_9 TP1 J2_10 TP1 V+ V- AC1 GND 84 U2C NJM4580L Vic2+ Vic2- 3 2 1 U2A NJM4580L C2_15 0.047uF/50 cer C2_16 0.22uF/50 cer C2_17 0.1uF/50 cer R2_43 4K75 R2_44 15K R2_45 47K5 CH2-FILTER CH2-F

47、ILTER35Hz CH2-FILTER75Hz CH1 BRIDGE SWITCH 41 23 U3 VTL5C2 BRIDGE CH1/2-PAR_LED D1 3mm YEL LED D2 3mm YEL LED Q1 MPSA42 Q2 MPSA42 Q3 MPSA42 R1 4K7 R2 4K7 R3 1K R4 4K7 R5 100K Vic2+ Vic+ Vic2+ GND1 GND1 R6 100K Vic2+ ON-1K5 OFF- BRIDGE-LED PARALLEL-LED 1 2 D2_16 CON2 CH2_LEVEL 041118 modify 041118 mo

48、dify 041118 modify R8 100K R7 1K U2_3 LM317T 12 R2_48 1K8 R2_47 0R C2_28 100nF/50V C2_29 10uF/50V 1 2 CN2_3 2P-2.5 R2_46 NTC 500R G1 D2_22 1N4004 1 2 CN2_1 2P-2.5 G1 1 2 CN2_2 2P-2.5 FAN +12V 1 2 CN2_4 2P-2.5 TP2 TP-2 1N5929B 1N5929B +15V 04_8 1234 A B C D 4321 D C B A J4_1J3_1J2_1J1_1 J1_2J2_2J3_2J4_2 05_1 15_1