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Alto MC700.4, Service Manual

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Alto MC700.4 Service Manual Download Page 1

 
 
 

 

Service Manual 

 

 

 

 

 

 

ALTO

 

REV.

2

 

Model: 

MC700.4

 

                   

 

 

Summary of Contents for MC700.4

Page 1: ...Service Manual ALTO REV 2 Model MC700 4 ...

Page 2: ...CONTENTS 1 Specifications 2 Block Diagram 3 Schematic Diagram 4 Printed Circuit Board 5 Test Procedures 6 Structural Drawing 7 Exploded View Mechanical Parts List 8 Electrical Parts List ...

Page 3: ... 100dB 40 32dB 1Vrms 10Vrms 22dB 10Kohmsunbalanced 20Kohms balanced Front ACSwitch Ch1 Ch4GainKnobs Rear MODESWITCHS Power On BlueLED Protection Green LED LIMITER Yellow LED Clip RedLED Parallel input YellowLED Bridge YellowLED Level GreenLED 20and 10dB Connectors eachchannel Input TerminalBlock Output Screw terminalBarrierBlock Powersupply cooling Loadprotection Dimensions Netweight Continuouslyv...

Page 4: ... 4 A B C D 4 3 2 1 D C B A ON 1 2 3 4 5 6 7 8 9 10 CH1 IN CH2 IN CH1 2 MODE ON 1 2 3 4 5 6 7 8 9 10 CH3 IN CH4 IN CH3 4 MODE CH1 Amplifier CH2 Amplifier CH3 Amplifier CH4 Amplifier MC700 4 BLOCK DIAGRAM 02 1 ...

Page 5: ...C250 90 1 2 P8 CN PCB6 3 1 2 P3 PC250 90 1 2 P4 PC250 90 1 2 P7 CN PCB6 3 1 2 P5 PC250 90 1 2 P6 PC250 90 TRANS IN TRANS IN NEUTRAL SWITCH BD1 35A 200V BD2 35A 200V COM1 COM2 BRIDGE1 BRIDGE1 BRIDGE2 BRIDGE2 AC_1 AC_2 COM MIS60PWR Sch Titel Size File Date Drawn By Sheet Revision Model No 6 Mar 2006 MIS60PWR MISTRAL6000 VER050201 A4 NEUTRAL 1 2 P9 LINE 1 2 P10 NEUT 1 2 P11 PC187 1 2 P12 CN PCB6 3 1 ...

Page 6: ...B C D 4 3 2 1 D C B A R3 TRIMMER 100R R2 TRIMMER 1K R1 TRIMMER 1K MC700SVR Sch Titel Size File Date Drawn By Sheet Revision Model No 6 Mar 2006 C C LIN MC700SVR 1 1 of MC700 4 VER050822 A2 1 2 3 4 5 J1 CON5 03 2 ...

Page 7: ...1UF 250V 1 1 2 2 3 3 4 4 JP1 3 96 4P 180 1 2 P2_1 AC1 1 2 P2_3 AC2 1 2 P2_2 GND BR2_1 BPC3510W C2_2 0 1UF 250V C2_3 0 1UF 250V C2_4 0 1UF 250V C2_1 0 1UF 250V 1 1 2 2 3 3 4 4 JP2 3 96 4P 180 1 2 P3_1 AC1 1 2 P3_3 AC2 1 2 P3_2 GND BR3_1 BPC3510W C3_2 0 1UF 250V C3_3 0 1UF 250V C3_4 0 1UF 250V C3_1 0 1UF 250V 1 1 2 2 3 3 4 4 JP3 3 96 4P 180 1 2 P4_1 AC1 1 2 P4_3 AC2 1 2 P4_2 GND BR4_1 BPC3510W C4_2 ...

Page 8: ...2_31 68nF 250V poly GND2 K2_1 RELAY VBS SERIES D2_23 1N4004 GND2 CH2 OUTPUT 1 2 JP2_1 CN PCB6 3 1 2 JP2_2 CN PCB6 3 2 2 GND2 TO SPEAKON PCB CH2 OUTPUT D2_19 W2 04 R2_44 6K8 1W R2_43 100K Q2_16 MPSA92 R2_42 330K Q2_15 MPSA92 D2_17 5mm RED LED R2_46 100K R2_47 47K D2_18 ZD7V5 1 2W Q2_17 MPSA42 R2_48 330K D2_20 1N4004 TURN ON DELAY C2_32 10uF 63 C2_33 47uF 63V R2_45 1K5 C2_34 220uF 16V NP D2_21 ZD36V...

Page 9: ... R1_57 100R GND1 CH1 INPUT 1 2 3 4 5 6 7 8 9 10 JP1_15 HEADER 5X2 GND1 GND1 TO USE ONLY CH2 PUT JUMPER ON PIN 6 8 OUTPUT STAGE_A 1 2 L1_1 2uH 10A 1 2 R1_39 5R6 2W R1_40 12R 5W R1_41 12R 5W C1_31 68nF 250V poly GND1 K1_1 RELAY VBS SERIES D1_23 1N4004 GND1 CH1 OUTPUT 1 2 JP1_1 CN PCB6 3 1 2 JP1_2 CN PCB6 3 1 1 GND1 TO SPEAKON PCB CH1 OUTPUT D1_19 W2 04 R1_44 6K8 1W R1_43 100K Q1_16 MPSA92 R1_42 330K...

Page 10: ...EVEL 3 2 1 U1A 393 5 6 7 U1B 393 4 8 U1C 393 Vic LD3_5 GR LD3_6 GR R3_3 2K80 R3_4 191K R3_6 1K82 R3_2 10K R3_7 6K04 Vic3 3 2 1 U3A 393 5 6 7 U3B 393 4 8 U3C 393 Vic3 LD2_5 GR LD2_6 GR 10dB 20dB R2_3 2K80 R2_4 6K04 R2_6 1K82 R2_2 10K R2_7 191K Vic2 3 2 1 U2A 393 5 6 7 U2B 393 4 8 U2C 393 Vic2 LD4_5 GR LD4_6 GR 10dB 20dB R4_3 2K80 R4_4 6K04 R4_6 1K82 R4_2 10K R4_7 191K Vic4 3 2 1 U4A 393 5 6 7 U4B 3...

Page 11: ...Sch Titel Size File Date Drawn By Sheet Revision Model No 6 Mar 2006 C C LIN MC700IN 1 1 of MC700 4 VER050822 A4 CH1 LIMIT CH1 F35 CH1 F75 CH1 FILTER CH1 IN CH1 IN CH1 GND 1 2 3 4 5 6 7 8 9 10 J1 HEADER 5X2 CH2 LIMIT CH2 F35 CH2 F75 CH2 FILTER CH2 IN CH2 IN CH2 GND BRIDGE CH2 Vg PARALLEL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 J2 HEADER 7X2 CH1 LIMIT CH1 F35 CH1 F75 CH1 FILTER CH1 IN CH1 IN CH1 GND CH2 L...

Page 12: ...1 2 3 4 5 6 7 8 A B C D 8 7 6 5 4 3 2 1 D C B A TOP TOP BOTTOM BOTTOM CH1 CH2 CH3 CH4 230V 115V MC700 4 配線圖 03 8 ...

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Page 25: ...he output terminal when the output gets max At this time the power consumption is less than 350W 5 S N is more than 90dB weighted is more than 100dB 6 LIMITER test Switch the dip switch as CLIP LIMIT sign on chassis input 1KHz 10dB and turn VR to max then LIMIT indicator on the front panel lights up CH1 CH2 CH3 CH4 output signal has no clip 7 Input signal 1KHz 0dB to CH1 CH3 not to CH2 CH4 Set VR ...

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Page 48: ...φ11 φ120 12_V1 0 1 19 MF00044 spring washer color plated φ10 φ13 5 2t 1 20 ME00202 zinc nut hex 17 M10 8 1 5PH 1 21 HK04607 K PCB P MIS60PWR 1 22 HK05931 K PCB P MC700PWR 1 23 ME00016 color nut 4mm 5 24 HK05928 K PCB P MC700IN 2 25 NI00389 plastic washer φ12 φ16 0 5 white 2 26 HI00142 manual returning SW A0701HM 15A 1 27 MF00048 shake proof washer ψ4 ψ8 0 5t 1 28 MF00038 spring washer φ4 φ7 1t 5 2...

Page 49: ...2397 ZB fixed rack for front panel silver paint MISTRAL6000 right _V1 0 1 51 MG00295 black plated screw pan head M4 6 12 52 MI02399 ZB fixed rack for front panel silver paint MISTRAL6000 left _V1 0 1 53 MC00779 ZC top cover silver paint MC700 4 ALTO_V1 0 1 54 NI01867 self adhered pad 20 5 14 7 6mm SF 006 4 55 HK05930 K PCB P MC700SP 2 56 MG00020 black plated screw RS flat self tapping M3 8 4 57 NI...

Page 50: ...1 0 1 0001 MA05582 panel MC700 4 1 0003 MA05581 panel MC700 4 22 5 124 5 422_V1 0 1 0001 ME00113 iron pillar M3 13 8 0 5PH_V1 1 6 0002 MJ00088 single light board 1 5 2135 1220 30 67kg 1 0013 MC00779 top cover MC700 4 ALTO_V1 0 1 0001 MC00635 top cover MISTRAL6000 15 375 433 4_V1 0 1 0001 MC00634 top cover MISTRAL6000 15 375 433 4_V1 0 1 0001 MJ00088 single light board 1 5 2135 1220 30 67kg 1 0014 ...

Page 51: ...istor 1 4W 100KΩ M type 4 R1_8 R2_8 R3_8 R4_8 0005 RA00515 precise resistor 1 4W 10 0KΩ M type 4 R1_2 R2_2 R3_2 R4_2 0006 RA00629 precise resistor 1 4W 6 04KΩ M type 4 R1_7 R2_4 R3_7 R4_4 0007 RA00487 precise resistor 1 4W 2 80KΩ M type 4 R1_3 R2_3 R3_3 R4_3 0008 SA00191 L E D φ3 LEG2062 4 LD1_1 LD2_1 LD3_1 LD4_1 0009 SD00029 integrated circuit LM393P TI MOT 4 U1 U2 U3 U4 0010 SA00054 L E D 3m m r...

Page 52: ...2 Q1_15 Q1_16 0032 SB00021 power transistor 2SC5200 4 Q1_10 Q1_11 Q1_12 Q1_9 0033 SB00023 power transistor 2SA1943 O 4 Q1_5 Q1_6 Q1_7 Q1_8 0034 SA00187 rectifier diode IN5404 2 D1_15 D1_16 0035 SD00032 integrated circuit LM317T 1 U1_4 0036 SD00173 integrated circuit NJM4580L JRC 2 U1_1 U1_2 0037 SA00197 zener diode 1W 36V 1N4753 1 D1_21 0038 SA00167 bridge rectifier 2A W2 04 4 D1_19 D1_2 D1_24 D1_...

Page 53: ...934 PC board P MC700MN2 CH2 1 0001 HB01861 PCB RS MC700MN CH2_VER050822 1 0002 RB00010 resistor networks 1 8W 10KΩ 8P C Type 1 RB2_1 0003 RA00953 metal oxide film resistor 5W 10KΩ P type 1 R2_49 0004 RA00870 chassis bracket 5W 12Ω SQM type 2 R2_40 R2_41 0005 RA00869 chassis bracket 5W 1KΩ SQM type 2 R2_23 R2_24 0006 RA00981 chassis bracket 10W 3 3KΩ SQM type 2 R2_15 R2_19 0007 RA00616 fixed resist...

Page 54: ...64 CA00043 ceramic capacitor 0 0033uF 2 C2_13 C2_14 0065 CA00018 ceramic capacitor 56PF NPO 腳距5mm 3 C2_35 C2_36 C2_7 0066 CA00024 ceramic capacitor 100PF SL 2 C2_3 C2_4 0067 CF00025 metal film capacitor MSC 0 047uF 63V 5 CASE01 1 C2_28 0068 CF00030 metal film capacitor MSC 0 1uF 63V 5 CASE01 1 C2_29 0069 CA00047 ceramic capacitor 0 033uF 1 C2_12 0070 CF00013 metal film capacitor MEF 0 068uF 250V 1...

Page 55: ...050822 1 0002 RB00010 resistor networks 1 8W 10KΩ 8P C Type 1 RB1_1 0003 RA00953 metal oxide film resistor 5W 10KΩ P type 1 R1_49 0004 RA00870 chassis bracket 5W 12Ω SQM type 2 R1_40 R1_41 0005 RA00869 chassis bracket 5W 1KΩ SQM type 2 R1_23 R1_24 0006 RA00981 chassis bracket 10W 3 3KΩ SQM type 2 R1_15 R1_19 0007 RA00616 fixed resistor 1 4W 470Ω M type 1 R1_9 0008 RA00880 chassis bracket 5W 0 22Ω ...

Page 56: ...6PF NPO 腳距5mm 3 C1_35 C1_36 C1_7 0063 CA00024 ceramic capacitor 100PF SL 2 C1_3 C1_4 0064 CF00025 metal film capacitor MSC 0 047uF 63V 5 CASE01 1 C1_28 0065 CF00030 metal film capacitor MSC 0 1uF 63V 5 CASE01 1 C1_29 0066 CF00013 metal film capacitor MEF 0 068uF 250V 1 C1_31 0067 CF00038 metal film capacitor MSC 0 22uF 63V 5 CASE02 1 C1_27 0068 CB00185 electrolytic capacitor 10uF 63V φ5 11mm 2 C1_...

Page 57: ...0 RA00007 metal oxide film resistor 1W 22Ω 2 R2_25 R2_32 0031 SD00066 integrated circuit L7812CV TO 220 ST 1 U2 0032 SB00130 transistor MPSA42 PHILIPS 4 Q1 Q2 Q3 Q2_17 0033 SB00129 transistor MPSA92 TO92 PHI 2 Q2_15 Q2_16 0034 SB00021 power transistor 2SC5200 4 Q2_10 Q2_11 Q2_12 Q2_9 0035 SB00023 power transistor 2SA1943 O 4 Q2_5 Q2_6 Q2_7 Q2_8 0036 SA00187 rectifier diode IN5404 2 D2_15 D2_16 003...

Page 58: ..._24 C2_25 C2_26 0088 HA04107 signle terminal wiring 500mm UL1015 14AWG gray 1 JP2_2 0089 HA04109 signle terminal wiring 500mm UL1015 14AWG violet 1 JP2_1 0090 HA04122 wire 14P 14P 450mm UL2651 28AWG PH2 54mm 1 JP2_16 0091 HA04431 wire RS 4P 550mm UL1015 18AWG 1 0092 AC00179 tin without lead M705E Sn 3Ag 0 5Cu 40 0093 RC00348 semi fixed resistor B1KΩ PT1030 V1B102 C1 H10 2 R2 20 R2 21 0094 RC00319 ...

Page 59: ...one sleeve 100 20 130 0060 HC00692 terminal 5ESDVM 03P 4 0061 NE11347 label ALTO PI 4 0001 NH00334 cone paper 0 040 1m 1 0062 HJ00006 dessicant 30g 1 0063 NE02227 label PSA 31500 220 240V 1 0001 NI00037 adhesive label 0 05 1M 1 0002 NI00034 membrane 0 045 1M 1 0064 NF00061 assurance card ALTO 1 0065 NE14964 lable MC700 4_V1 0 4 0001 NI00014 membrane 0 035 1M 1 0002 NH00012 bond paper 0 04 1M 1 006...

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