Download
Share
Print this page
Alto MC700.4 Service Manual
  1. Manuals
  2. Brands
  3. Alto Manuals
  4. Amplifier
  5. MC700.4
  6. Service manual

Alto MC700.4 Service Manual

Hide thumbs Also See for MC700.4:

Advertisement

Quick Links

Download this manual
Service Manual
Model: MC700.4
ALTO
REV.2

Advertisement

loading

Related Manuals for Alto MC700.4

Summary of Contents for Alto MC700.4

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

    TECHNICALSPECIFICATION Model MC700.4 Output Power 20Hz20kHz@0.1%THD,stereoMode 8 ohms perchannel(EIAJ) 4x460W 4x750W 4 ohms perchannel(EIAJ) BridgeMonoMode × 2 1450W 8 ohms,1kHz, 0.1%THD(EIAJ) <0.05% Distortion(SMPTE-IM) ± 20Hz- 20kHz 1dB, -3dBpoint:10Hz-60kHz FrequencyResponse >300@8ohms DampingFactor,1kHz,0.1%THD(EIAJ) SignaltoNoise,20Hz-20kHz >100dB × 40 (32dB) Voltage Gain Inputsensitivity@4ohms 1Vrms...
  • Page 4 02-1...
  • Page 5 100V 35A/200V BRIDGE1+ 115V or 120V PC250-90 BRIDGE1- 100V TRANS-IN COM1 PC250-90 100V 35A/200V BRIDGE2+ T130 ℃ PC250-90 115V or 120V BRIDGE2- 100V COM2 PC250-90 13.5V AC_1 (AC_2) PC250-90 T130 ℃ NEUTRAL TRANS-IN PC250-90 R2_68 NTC NP35L PT-MIS6000-E K2_2 R2_67 NTC NP35L 115V/25A BREAKER...
  • Page 6 TRIMMER 1K TRIMMER 1K CON5 TRIMMER 100R MC700SVR Titel Size Model No: Revision MC700.4 VER050822 6-Mar-2006 Date: Sheet 1 of File: MC700SVR.Sch Drawn By: C.C.LIN 03-2...
  • Page 7 P3_2 P4_2 BR3_1 BR4_1 3.96-4P-180 3.96-4P-180 BPC3510W BPC3510W C3_3 C4_3 P3_3 P4_3 0.1UF/250V 0.1UF/250V C4_4 0.1UF/250V C3_4 0.1UF/250V Title MC700.4PWR Size Number Revision Date: 6-Mar-2006 Sheet of File: C:\Documents and Settings\PC335\ 桌面 \MC700.4 Drawn By: 技術手冊 \MC700.4 技術手冊原檔 \MC700.sch\MC7004PWR.SCH.D 03-3...
  • Page 8 VAC FAN2 CH2-GND RELAY POWER2 AC INPUT JP2_16 CH1-CLIP+ CH1-CLIP- CH1-LIMT+ CH1-LIMT- CH1-OPER1 CH1-OPER2 CH1-V+ CH1-V- Titel MC700MN-CH2 CH1-LEVEL PAR-LED+ PAR-LED- BRD-LED+ BRD-LED- Size Model No: Revision MC700.4 VER050822 HEADER 7X2 6-Mar-2006 Date: Sheet GND2 File: MC700MN-CH2.SCH Drawn By: C.C.LIN 03-4...
  • Page 9 16AT CH1-OPER1 CH1-OPER2 R1_2 -V_FAN_CH1 CH1-V+ CH1-V- JP1_8 6.3x32 FUSE HOLDER CH1-LEVEL CN-PCB6.3 R1_1 VAC FAN2-CH1 HEADER 5X2 RELAY POWER1 GND1 Titel MC700.4MN-CH1 AC INPUT Size Model No: Revision MC700.4 VER050822 6-Mar-2006 Date: Sheet File: MC700MN-CH1.SCH Drawn By: C.C.LIN 03-5...
  • Page 10 BRIDGE 100K 1K82 100K GND3 GND4 R3_4 R4_7 191K 191K -10dB Vic3+ Vic4+ Vic3+ Vic4+ Vic3+ Vic4+ GND3 GND4 Vic3- Vic4- MC700.4LED Titel Size Model No: Revision MC700.4 VER050822 6-Mar-2006 Date: Sheet 1 of File: MC700LED.Sch Drawn By: C.C.LIN 03-6...
  • Page 11 10.CLIP LIMIT-CH2 CH2-LIMIT CH2-FILTER CH1-LIMIT CH2-F35 CH1-FILTER CH2-IN+ CH1-F35 CH2-IN- CH1-IN+ CH1-IN- CH2-Vg HEADER 5X2 HEADER 7X2 CH1-GND BRIDGE PARALLEL CH2-GND Titel MC700IN Size Model No: Revision MC700.4 VER050822 6-Mar-2006 Date: Sheet 1 of File: MC700IN.Sch Drawn By: C.C.LIN 03-7...
  • Page 12 03-8...
  • Page 13 04-1...
  • Page 14 04-2...
  • Page 15 04-3...
  • Page 16 04-4...
  • Page 17 04-5...
  • Page 18 04-6...
  • Page 19 04-7...
  • Page 20 04-8...
  • Page 21 04-9...
  • Page 22 04-10...
  • Page 23 04-11...
  • Page 24 04-12...

  • Page 25: Test Procedures

    MC 700.4 TEST PROCEDURES 1. INSTRUMENTS 1). Power source 2). VOM meter 3). VP-7724A audio precision 4). Oscillograph 5). Two load resistors with 4O(1000W) 6). AC protector TEST PROCEDURES Set all the dip switches to the position OFF and VR of CH1/CH2 (or CH3/CH4) to MAX. When the power switch is turned on, the blue power indicator lights up.
  • Page 26 06-1...
  • Page 27 06-2...
  • Page 28 06-3...
  • Page 29 06-4...
  • Page 30 06-5...
  • Page 31 06-6...
  • Page 32 06-7...
  • Page 33 06-8...
  • Page 34 06-9...
  • Page 35 06-10...
  • Page 36 06-11...
  • Page 37 06-12...
  • Page 38 06-13...
  • Page 39 06-14...
  • Page 40 06-15...
  • Page 41 06-16...
  • Page 42 06-17...
  • Page 43 06-18...
  • Page 44 06-19...
  • Page 45 06-20...
  • Page 46 06-21...
  • Page 47 07-1...

  • Page 48: Mechanical Part List

    MECHANICAL PART LIST PART NO DESCRIPTION SPECIFICATION LEVEL MA05624 ZC-front panel-5076 dark blue MC700.4 ALTO_V1.0 MI03067 padding board 2*13*422 MG00025 black plated screw- pan head M3*6 MA05625 ZC-front panel-silver paint MC700.4 ALTO_V1.0 HI00022 power SW-RS 4P black R13-69A HK05929 K-PCB...
  • Page 49 ZB-fixed rack for front panel-silver paint MISTRAL6000 right _V1.0 MG00295 black plated screw-pan head M4*6 MI02399 ZB-fixed rack for front panel-silver paint MISTRAL6000 left _V1.0 MC00779 ZC-top cover -silver paint MC700.4 ALTO_V1.0 NI01867 self adhered pad 20.5*14*7.6mm(SF-006) HK05930 K-PCB P-MC700SP MG00020...

  • Page 50: Specification

    MC700.4-2.8t*14*40_V1.0 │ └0001------------------------------ MJ00066 iron board 2.8*2135*1220 57.25kg ├0008--------------------------------- MI03243 fixed board MC700.4_V1.1 │└0003------------------------------- MI03242 fixed board MC700.4 1.2t*29*225_V1.0 │ └0001------------------------------ MJ00059 single light board 1.2*2135*1220 24.54kg ├0009--------------------------------- MI03067 caushion MC700.4_V1.0 │└0003------------------------------- MI03066 caushion MC700.4 2*13*422_V1.0 │ └0001------------------------------...
  • Page 51 PI01204 MC700.4 MC700.4_ALTO_230V_ REVISED: 2006/5/30 PART NO DESCRIPTION SPECIFICATION QTY REFERENCE LEVEL │└0001------------------------------- MJ00069 iron board 1.5*2135*1220 30.67kg ├0037--------------------------------- TD00562 transformer-RS PT-MC700.4_115/230V ├0038--------------------------------- HE00083 fan-JF0615S2H-000 DC12V/0.6A 120*120*25mm 360mm ├0039--------------------------------- HI00022 power switch-RS 4p black frame red key ├0040--------------------------------- HI00142 manual reset switch A0701HM-15A ├0041---------------------------------...
  • Page 52 PI01204 MC700.4 MC700.4_ALTO_230V_ REVISED: 2006/5/30 PART NO DESCRIPTION SPECIFICATION QTY REFERENCE LEVEL ││├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-----------------------------...
  • Page 53 PI01204 MC700.4 MC700.4_ALTO_230V_ REVISED: 2006/5/30 PART NO DESCRIPTION SPECIFICATION QTY REFERENCE LEVEL ││├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----------------------------- CA00047 ceramic capacitor 0.033uF 1 C1_12 ││├0067-----------------------------...
  • Page 54 PI01204 MC700.4 MC700.4_ALTO_230V_ REVISED: 2006/5/30 PART NO DESCRIPTION SPECIFICATION QTY REFERENCE LEVEL ││├0037----------------------------- SD00032 integrated circuit LM317T 1 U2_4 ││├0038----------------------------- SD00173 integrated circuit NJM4580L(JRC) 2 U2_1,U2_2 ││├0039----------------------------- SA00197 zener diode 1W 36V 1N4753 1 D2_21 ││├0040----------------------------- SA00167 bridge rectifier 2A W2-04 4 D2_19,D2_2,D2_24,D2_27 ││├0041-----------------------------...
  • Page 55 MJ01200 cushion MISTRAL4000 14.5*30.5*2t ││└0001----------------------------- MJ01201 cushion MISTRAL4000 14.5*30.5*2t ││ └0001---------------------------- MJ01154 single light board 2.0t*1850*950mm 27.6kg │├0006------------------------------- NC00718 insulator MC700.4 1.6*16*89.2_V1.0 ││└0001----------------------------- NC00041 insulation board 1.6t*0.65M*70M │├0007------------------------------- MI03072 fixed bracket MC700.4 1.5*16*89.2_V1.0 ││└0001----------------------------- MJ00069 iron board 1.5*2135*1220 30.67kg │├0008-------------------------------...
  • Page 56 PI01204 MC700.4 MC700.4_ALTO_230V_ REVISED: 2006/5/30 PART NO DESCRIPTION SPECIFICATION QTY REFERENCE LEVEL ││├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-----------------------------...
  • Page 57 PI01204 MC700.4 MC700.4_ALTO_230V_ REVISED: 2006/5/30 PART NO DESCRIPTION SPECIFICATION QTY REFERENCE LEVEL ││├0003----------------------------- RA00953 10KΩ P type 1 R2_49 metal-oxide-film resistor 5W ││├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-----------------------------...
  • Page 58 10A 250V φ6*32mm CSA/PSE/UL │├0018------------------------------- NI00218 cable tie ALT-102SB │└0019------------------------------- MI03069 barrier MC700.4 right_V1.0 │ └0003------------------------------ MI03068 barrier MC700.4 1.5t*80*82.05*109.5 right_V1.0 │ ├0001----------------------------- ME00194 screw pillar M3*32*0.5PH_V1.0 │ ├0002----------------------------- ME00035 iron pillar hexagon6.35*M3*6 │ └0003----------------------------- MJ00088 single light board 1.5*2135*1220 30.67kg...
  • Page 59 ALTO ├0065--------------------------------- NE14964 lable MC700.4_V1.0 │├0001------------------------------- NI00014 membrane 0.035*1M │└0002------------------------------- NH00012 bond paper 0.04*1M ├0066--------------------------------- NF02316 user manual MC700.4 ALTO_V1.0 │└0001------------------------------- NH00149 paper 889*640mm ├0067--------------------------------- NB04249 gift carton MC700.4 ALTO_V1.0 ├0068--------------------------------- NI01867 self-adhere foot cushion 20.5*14*7.6mm(SF-006) ├0069--------------------------------- NA00279 clip-chain bag 0.04t*100*150mm_V1.0...