Alto MAXIDRIVE 3.4 PC II Service Manual
  1. Manuals
  2. Brands
  3. Alto Manuals
  4. Crossover
  5. MAXIDRIVE 3.4 PC II
  6. Service manual

Alto MAXIDRIVE 3.4 PC II Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
MODEL: MAXIDRIVE 3.4 PC II
www.altoproaudio.com
Version 1.0
Revised on Jan, 2010

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MAXIDRIVE 3.4 PC II and is the answer not in the manual?

Questions and answers

Related Manuals for Alto MAXIDRIVE 3.4 PC II

Summary of Contents for Alto MAXIDRIVE 3.4 PC II

  • Page 1 MODEL: MAXIDRIVE 3.4 PC II www.altoproaudio.com Version 1.0 Revised on Jan, 2010...

  • Page 2: Table Of Contents

    CONTENTS 1. Introduction……………………………………………………………………………..1 2. Specification…………………………………………………………………………..2 3. Block Diagram…………………………………………………………………....3 4. Schematic Diagram……………………………………………………………....4 5. Wiring Diagram………………………………………………………………….....9 6. PCB Layout………………………………………………………………………..10 7. Test Procedure……………………………………………………………………..15 8. Exploded View & Mechanical Parts List…………………………………………...17 9. BOM List……………………………………………………………………………..19...

  • Page 3: Introduction

    - 10 Factory PRESETS, each of which can be used as a basic configuration for preparing custom PRESETS, others already optimized for ALTO loudspeaker systems. - 64 User PRESETS, which can be freely programmed to store all the system settings.

  • Page 4: Specification

    2. Specification Connectors 2* COMBO Nominal Input Sensitivity 0 dB (0.775V) INPUT Section Input Impedance 30 kOhm, electronically balanced Maximum Input level +20 dBu Input Gain -30 / +6dB variable in 0.5 db Steps Connectors 6*XLR-M Output Impedance 600 Ohm, electronically balanced Output Section Nominal Output Level 0 dBu...

  • Page 5: Block Diagram

    3. Block Diagram Signal Processing Balanced inputs (IN A & IN B). 20-bit A/D converters. LED ladders for monitoring input signals. 5-band parametric equalizers for A & B inputs. 3 delay lines (IN A, IN B & Sum A+B). Routing System for connecting INPUTS and OUTPUTS. Delay lines in 1-6 output.

  • Page 6: Schematic Diagram

    4. Schematic Diagram --- 4 ---...
  • Page 7 --- 5 ---...
  • Page 8 --- 6 ---...
  • Page 9 --- 7 ---...
  • Page 10 --- 8 ---...

  • Page 11: Wiring Diagram

    5. Wiring Diagram --- 9 ---...

  • Page 12: Pcb Layout

    6. PCB Layout --- 10 ---...
  • Page 13 --- 11 ---...
  • Page 14 --- 12 ---...
  • Page 15 --- 13 ---...
  • Page 16 --- 14 ---...

  • Page 17: Test Procedure

    4. RS232 JIG TEST (connector for RS232 with a pin 2 end 3 in short circuit) 5. RS485 JIG TEST Adjustments Par. 1: Visual check Check the product appearance upon MAXIDRIVE 3.4 PC II assembly completed before going on following test procedures Par. 2: Connections 2-1. Make sure the main power supply SW is off.
  • Page 18 7-2. Meanwhile press and hold UP and SEL buttons and then switch on main power supply 7-3. Check if the LCD flashes “AL” about 30 seconds 7-4. Switch off main power SW 7-5. Again switch on main power supply SW of MAXIDRIVE 3.4 PC II, now the LCD displays “AL” Par. 8: DIGITAL INPUT test 8-1.

  • Page 19: Exploded View & Mechanical Parts List

    8. Exploded View & Mechanical Parts List --- 17 ---...
  • Page 20 Mechanical Parts List --- 18 ---...

  • Page 21: Bom List

    0011 0012 NE05004 label ALTO PF_V1.2 0013 NB02164 barrier X23,34,40 0014 NB02163 barrier X23,34,40 0015 NB02088 carton (1H) ALTO 19"_V1.1 ND00304 EV foam 3.5t*33.5*42.7mm_V1.5 0016 NA00279 clip-chain bag 0.04t*100*150mm_V1.0 1.warranty card 0017 NA00137 clip-chain bag 0018 0019 MG00025 screw-RS M3*6 1.
  • Page 22 Class Part No Description Specification Insert location Remark 14P-14P 140mm UL2651 1.PU board CN5 to MPU 0041 HA01645 wire-RS-ACT 28AWG PH1.27 board CN1 HA02191 signle terminal wiring 170mm UL1015 18AWG black 1.PU board S1to grounding 0042 1.MPU board CN2 to PU 0043 HA01590 row-wire connecting wiring 6P-6P 190...
  • Page 23 Class Part No Description Specification Insert location Remark RE00008 SMD resistor networks 1/16W 4.7K *4 ±5% 8P 1206(0603x4) AR4,AR5,AR6 0016 0017 RD00327 SMD precise resistor 1/10W 8.20K ±1% 0603 R17,R21,R25,R37,R52,R73 0018 RD00061 SMD fixed resistor 1/10W 10 ±5% 0603 RD00214 SMD precise resistor 1/10W 10.0K ±1% 0603 R71,R9,R11,R65,R79,R7 0019...
  • Page 24 Class Part No Description Specification Insert location Remark HK03592 PC board P-MAXI3.4PU-SMD 0001 0001 HB01239 PCB MAXI-PU(1*2)_VER040408 0002 RD00272 SMD precise resistor 1/10W 10.0 ±1% 0603 R106,R107 R102,R5,R6,R67,R7,R72,R73,R78, RD00394 SMD precise resistor 1/10W 68.0 ±1% 0603 0003 R79,R8,R84,R85,R90,R91,R96,R97 R101,R68,R71,R74,R77,R80,R83, 0004 RD00393 SMD precise resistor 1/10W 330 ±1% 0603 R86,R89,R92,R95,R98...
  • Page 25 Class Part No Description Specification Insert location Remark 1.voltage converter 0058 NC00089 washer 4* 10*1 grounding MAXIDRIVE3.4 PC NB05891 inner case-RS-CT 0059 CHINA ALTO_V1.0 MAXIDRIVE3.4 PC 0060 MB05898 chassis-RS 85-264V CHINA_V1.1 0061 HK09133 PC board P-ACL2PWRSW SA00185 L.E.D-RS-ACT 3 blue (6554-TLHB4400) 0001 MG00041 screw M3*6...

Table of Contents