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LTO ALTO GATE Service Manual

Audio interactive / quad expander / gate
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Service Manual
Model: ALTO GATE
AUDIO INTERACTIVE / QUAD EXPANDER / GATE
www.altoproaudio.com
Version: 1.1

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Summary of Contents for LTO ALTO GATE

  • Page 1 Service Manual Model: ALTO GATE AUDIO INTERACTIVE / QUAD EXPANDER / GATE www.altoproaudio.com Version: 1.1...

  • Page 2: Table Of Contents

    CONTENTS 1. Specification 2. Block Diagram 3. Schematic Diagram 4. Printed Circuit Board 5. Wiring Diagram 6. Test Procedure 7. Electrical Parts List 8. Exploded Views & Mechanical Parts List 9. Notes...

  • Page 3: Specification

    1. SPECIFICATIONS SPECIFICATIONS FRO ALTO GATE AUDIO INPUT Connectors XLR and 1/4 jack Type RF filtered , servo-balanced input Max. Input Level +21 dBu balanced and unbalanced Impedance 50kOhm balanced , 25kOhm unbalanced CMRR typ. 40 dB, >55dB@1KHz AUDIO OUTPUT...

  • Page 4: Block Diagram

    2. Block Diagram...

  • Page 5: Schematic Diagram

    IC1E IC3E IC4E IC5E IC2E IC10E IC11E 10K0 HEF4053 TL064 TL064 TL064 TL064 LM339 LM339 LM339 VSS VEE Titel GATEFP -15V Size Model No: Revision ALTO GATE VER030505 15-May-2003 Date: Sheet 1 of File: FP_CH1.Sch Drawn By: M. J. YANG...
  • Page 6 IC6E IC8E IC9E IC12E IC13E IC7E 47uF/25V FREQUENCY HEF4053 Titel 10K0 TL064 TL064 TL064 LM339 LM339 LM339 VSS VEE GATEFP Size Model No: Revision -15V ALTO GATE VER030505 15-May-2003 Date: Sheet 2 of File: FP_CH2.Sch Drawn By: M. J. YANG...
  • Page 7 10K0 IC32B IC27E IC29E IC30E IC28E IC33E IC34E HEF4053 Titel TL064 TL064 TL064 LM339 LM339 LM339 VSS VEE GATEFP Size Model No: Revision -15V ALTO GATE CER030505 15-May-2003 Date: Sheet 3 of File: FP_CH3.Sch Drawn By: M. J . YANG...
  • Page 8 IC23B IC18E IC20E IC21E IC22E IC19E IC24E IC25E HEF4053 TL064 TL064 TL064 TL064 LM339 LM339 LM339 VSS VEE Titel GATEFP -15V Size Model No: Revision ALTO GATE VER030505 15-May-2003 Date: Sheet 4 of File: FP_CH4.Sch Drawn By: M. J. YANG...
  • Page 9 150K 5% 200R CN-BAL-FEMALE 3K16 IC12C IC14C CH4_CTL 4580 4580 SGND SGND SGND SGND SGND -15V -15V 100N 100N 100N Titel GATEPU Size Model No: Revision ALTO GATE VER030515 15-May-2003 Date: Sheet 5 of File: GATE_PU.sch Drawn By: M. J. YANG...

  • Page 10: Printed Circuit Board

    4. Printed Circuit Board PCB : GATEFP Top Layer PCB : GATEFP Top Solder Mask PCB : GATEFP Bottom Layer PCB : GATEFP Bottom Solder Mask...
  • Page 11 PCB: GATEFP Top Overlay PCB : GATEFP Bottom Overlay PCB : GATEFP Drill Drawing Plots Layer Pair : TopLayer to BottomLayer ASCII File : NCDrillOutput.TXT EIA File : NCDrillOutput.DRL Tool Hole Size Hole Count Plated Tool Travel --------------------------------------------------------------------------------------------------------------- 24mil (0.6096mm) 142.06 Inch (3608.43 mm) 31mil (0.7874mm) 117.84 Inch (2993.14 mm)
  • Page 12 PCB : GATEPU Top Layer PCB : GATEPU Top Solder Mask PCB : GATEPU Bottom Layer PCB : GATEPU Bottom Solder Mask...
  • Page 13 PCB: GATEPU Top Overlay PCB : GATEPU Bottom Overlay PCB : GATEPU Drill Drawing Plots Layer Pair : TopLayer to BottomLayer ASCII File : NCDrillOutput.TXT EIA File : NCDrillOutput.DRL Tool Hole Size Hole Count Plated Tool Travel ------------------------------------------------------------------------------------------------------------- 24mil (0.6096mm) 61.48 Inch (1561.53 mm) 31mil (0.7874mm) 42.82 Inch (1087.64 mm)
  • Page 14 GATEFP...
  • Page 15 GATEPU...

  • Page 16: Wiring Diagram

    ALTO GATE Wiring Diagram blue transformer power switch...

  • Page 17: Electrical Parts List

    Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/07/31 010003[楊明仁] Prepared by Page No.: PF00325 Item No. Version UNIT: DESCRIPTION: ALTO GATE Date: 2003/05/21 ALTO GATE_ALTO_230V_歐規_無 Version Item No Loss % Ver. Unit Cardinal Effective Date Item Descri Usage Rate...
  • Page 18 Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/07/31 010003[楊明仁] Prepared by Page No.: PF00325 Item No. Version UNIT: DESCRIPTION: ALTO GATE Date: 2003/05/21 ALTO GATE_ALTO_230V_歐規_無 Version Item No Loss % Ver. Unit Cardinal Effective Date Item Descri Usage Rate...
  • Page 19 Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/07/31 010003[楊明仁] Prepared by Page No.: PF00325 Item No. Version UNIT: DESCRIPTION: ALTO GATE Date: 2003/05/21 ALTO GATE_ALTO_230V_歐規_無 Version Item No Loss % Ver. Unit Cardinal Effective Date Item Descri Usage Rate...
  • Page 20 0.04t*580*300mm 0.00 ├0052--------------------------------- HJ00006 1.0000 2003/05/21 │ desiccant │ 0.00 ├0053--------------------------------- NF01357 1.0000 2003/05/21 │ instruction │ ALTO GATE ALTO 0.00 ├0054--------------------------------- NB02488 1.0000 2003/07/03 │ colour box │ ALTO GATE ALTO 0.00 ├0055--------------------------------- NB02163 1.0000 2003/05/21 │ barrier │...
  • Page 21 Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/07/31 010003[楊明仁] Prepared by Page No.: PF00325 Item No. Version UNIT: DESCRIPTION: ALTO GATE Date: 2003/05/21 ALTO GATE_ALTO_230V_歐規_無 Version Item No Loss % Ver. Unit Cardinal Effective Date Item Descri Usage Rate...
  • Page 22 Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/07/31 010003[楊明仁] Prepared by Page No.: PF00325 Item No. Version UNIT: DESCRIPTION: ALTO GATE Date: 2003/05/21 ALTO GATE_ALTO_230V_歐規_無 Version Item No Loss % Ver. Unit Cardinal Effective Date Item Descri Usage Rate...
  • Page 23 Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/07/31 010003[楊明仁] Prepared by Page No.: PF00325 Item No. Version UNIT: DESCRIPTION: ALTO GATE Date: 2003/05/21 ALTO GATE_ALTO_230V_歐規_無 Version Item No Loss % Ver. Unit Cardinal Effective Date Item Descri Usage Rate...
  • Page 24 Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/07/31 010003[楊明仁] Prepared by Page No.: PF00325 Item No. Version UNIT: DESCRIPTION: ALTO GATE Date: 2003/05/21 ALTO GATE_ALTO_230V_歐規_無 Version Item No Loss % Ver. Unit Cardinal Effective Date Item Descri Usage Rate...
  • Page 25 Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/07/31 010003[楊明仁] Prepared by Page No.: PF00325 Item No. Version UNIT: DESCRIPTION: ALTO GATE Date: 2003/05/21 ALTO GATE_ALTO_230V_歐規_無 Version Item No Loss % Ver. Unit Cardinal Effective Date Item Descri Usage Rate...
  • Page 26 Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/07/31 010003[楊明仁] Prepared by Page No.: PF00325 Item No. Version UNIT: DESCRIPTION: ALTO GATE Date: 2003/05/21 ALTO GATE_ALTO_230V_歐規_無 Version Item No Loss % Ver. Unit Cardinal Effective Date Item Descri Usage Rate...
  • Page 27 Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/07/31 010003[楊明仁] Prepared by Page No.: PF00325 Item No. Version UNIT: DESCRIPTION: ALTO GATE Date: 2003/05/21 ALTO GATE_ALTO_230V_歐規_無 Version Item No Loss % Ver. Unit Cardinal Effective Date Item Descri Usage Rate...
  • Page 28 Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/07/31 010003[楊明仁] Prepared by Page No.: PF00325 Item No. Version UNIT: DESCRIPTION: ALTO GATE Date: 2003/05/21 ALTO GATE_ALTO_230V_歐規_無 Version Item No Loss % Ver. Unit Cardinal Effective Date Item Descri Usage Rate...

  • Page 29: Exploded Views & Mechanical Parts List

    8. Exploded Vuews & Mechanical Parts List...
  • Page 30 Mechanical Parts List Model No. ALTO GATE Item No Item Description MA03793 panel ALTO GATE NI02085 power switch φ22*9.69 NI00308 φ22*9.69 φ15*17 NI01159 switch cap φ6*2.5 YELLOW C NI00362 knob (COOL GRAY 8C/white) NI00896 knob cover φ8.5*4 072C NI02408 bracket φ15*2.7mm 白...