Alto DIGAN2.14 Service Manual
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Alto DIGAN2.14 Service Manual

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MODEL: DIGAN2.14
www.altoproaudio.com
Version 1.0

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Summary of Contents for Alto DIGAN2.14

  • Page 1 MODEL: DIGAN2.14 www.altoproaudio.com Version 1.0...

  • Page 2: Table Of Contents

    CONTENTS 1. Introduction......................1 2. Specifications.......................2 3. Block Diagram......................3 4. Schematic Diagram....................4 5. Wiring Diagram....................9 6. PCB Layout......................10 7. Test Procedure....................12 8. Exploded Views & Mechanical Parts List............14 9. BOM........................16...

  • Page 3: Introduction

    1. Introduction • Digital control and DSP technology with graphic display 14 bands Graphic or parametric equalization. • Dynamic range processing with Ratio, Threshold, Attack and Release time control. • Tone adjustment with Bass and Treble control. • 100 presets: 30 factory presets and 70 user-programmable presets. •...

  • Page 4: Specifications

    2. Specification DIGAN2.14 System parametric Band 2×14 bands, 2/3 octave Bandwidth 20Hz-20kHz THD+N% <0.05%, Analog In to Analog Out Signal to noise ratio >90dB A-Weighted, Analog In to Analog Out Input gain +/-12dB Output gain +/-6dB Preset Factory preset: 30, User preset:70...

  • Page 5: Block Diagram

    3. Block Diagram Hardware (1)Panel : LED , UP/DOWN , LINK/EXIT,BYPASS (2)DSP board : TAS3004+MCU(motorola)+EEPROM Black Diagram TAS3004 EEPROM Panel DIGAN 2.14 : DIGAN 214 BYPASS POWER LINK/EXIT STORE...

  • Page 6: Schematic Diagram

    CA13 CA12 CA11 CA10 L105 L118 L119 L144 L145 L170 L106 L120 L121 L146 L147 L171 L107 L122 L123 L148 L149 L172 L108 L124 L125 L150 L151 L173 L109 L126 L127 L152 L153 L174 L110 L128 L129 L154 L155 L175 L111 L130 L131...
  • Page 7 +3.3V 27K* 27K* AGND 100N 100N +5VL 2u2F AGND +5VD 1000P 1000P 2u2F 100N AGND AVDD LGND DIGAN2.7 No used in this area. +3.3V Totle 20 components 2u2F 100N +3.3V TAS3004 AGND +5VD +3.3V AVDD LM1117-3.3 100N LINA PL2303 VRFILT AVDD AVSS OSC2...

  • Page 11: Wiring Diagram

    5. Wiring Diagram...

  • Page 12: Pcb Layout

    6. PCB Layout Bottom layer Top layer Top overlay...
  • Page 13 PCB:DIGAN2.30-INPUT Top layer Bottom layer Top overlay...

  • Page 14: Test Procedure

    7. TEST PROCEDURE INSTRUMENT 1) AP instrument 2) Dual track oscillograph 3) Computer (WINDOWS 2000) INSTRUMENT SETTING AND CONNECTION 1) Connect AP output with INPUT1 AND INPUT2. Set AP 1kHz, 0dBu, Load 600 UNBAL & BAL. 2) Connect OUTPUT1 and OUTPUT2 with AP input terminal. Connect its monitor signal with oscillograph.
  • Page 15 2. Test the Output noise value of the L/R channel in DIGAN2.14. It is less than -85dBu. At the same time scan the Output noise as figure3. 3. Test the S/N value of L/R channel in DIGAN2.14. It is more than 96dBu.

  • Page 16: Exploded Views & Mechanical Parts List

    8. Exploded View & Mechanical Parts list...
  • Page 17 (accessory) P-DIGAN214-INOUT-DIP K-PC board MC00663 ZB-top cover DIGAN 2.30_V1.0 MI02548 ZC-front panel fixed bracket 5063(blue) DIGAN2.30 left L shape ALTO_V1.0 Black-plated screw-flat M4*6 MG00021 MI02547 DIGAN2.14 right L shape_V1.0 ZC-front panel fixed bracket 5063(blue) NI00501 self-adhere foot cushion 12.7*9*3t(SF-004)

  • Page 18: Bom

    1.2*2135*1220 24.54kg 16 NI03354 bole DIGAN 2.7 3.7*25*54 black_V1.0 17 NI03358 silicone sleeve DIGAN2.30 40*11.5_V1.0 18 NI03360 acrylic panel DIGAN2.14 left right_V1.1 19 NI03355 acrylic panel DIGAN 2.7 2.1*24.6*117.8_V1.0 20 NI03383 acrylic panel DIGAN2.14 middle_V1.1 21 NI03357 acrylic panel DIGAN 2.30 2.1*14.8*37.8_V1.1...
  • Page 19 0.040*1m 46 NE13916 label DIGAN2.14_V1.0 47 NI00014 membrane 0.035*1M 48 NH00012 bond paper 0.04*1M 49 NB03676 gift carton DIGAN2.14 ALTO_V1.0 50 NA00380 silk wadding DIGAN2.30 right_V1.0 51 NA00381 silk wadding DIGAN2.30 left_V1.0 52 TG00161 adapter 230V/50~60Hz_AC9V/500mA_EI-41 53 HJ00006 desiccant 54 NI00501 self-adhere foot cushion 12.7*9*3t(SF-004)
  • Page 20 No. Part No. Description Specification Remark 84 CI00053 C49,C50 SMD ceramic capacitor 0603 33PF/50VC0G±5%(C1608C0G1H330JT)/TDK 33Ω ±5% 0603 85 RD00304 SMD fixed resistor 1/10W R7,R8 86 CL00008 SMD tantalum capacitor 47uF/7V case B2 87 RD00093 SMD fixed resistor 1/10W 4.7KΩ ±5% 0603 R4,R5,R6,R18,R19,R20,R21,R22,R23, R24,R25,R35,R36,R37 4.7Ω...
  • Page 21 S13,S14,S15,S16,S17,S18,S19,S20,S21,S22, S23,S24,S25,S26,S27,S28,S29,S30,S31,S32, S33,S34 120 HC00718 connector 2.54 180° 2*10P 6/11.6mm 121 AE00221 tin soldering paste SJ-617 122 HK05801 K-PC board P-DIGAN2.14-INOUT-DIP 123 SA00094 rectifier diode 1N4002/100V D2,D4,D5,D6,D7,D8 124 SA00093 rectifier diode 1N4148 0.5A D1,D3 2200uF/16V φ13*20mm 125 CB00075 electrolytic capacitor C19,C21,C26,C27 330uF/16V φ8*11mm...
  • Page 22 SMD chip inductance BLM21A102SPT/(MURATA) L15,L16,L17,L18,L19 172 SG00118 SMD integrated circuit MC33079DT(ST)MC33079D(ON) IC7,IC8 173 AE00221 tin soldering paste SJ-617 174 NF02232 user manual English DIGAN2.14 ALTO_V1.0 175 NH00149 paper 889*640mm 176 NB03707 carton DIGAN2.30 ALTO_V1.0 177 NI03353 silicone sleeve DIGAN 2.7 5.6*3.2*56_V1.0...

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