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Alto S-8 Service Manual
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Alto S-8 Service Manual

8 channel
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Service Manual
Model: S-8
8 Channel Mixing Console
www.altoproaudio.com
Version: 1.2
ISSUE:2003.9.21

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Summary of Contents for Alto S-8

  • Page 1 Service Manual Model: S-8 8 Channel Mixing Console www.altoproaudio.com Version: 1.2 ISSUE:2003.9.21...
  • Page 2 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 MIDI equipment or other stereo sound sources and a 2-track input/output for recording and playback in a mixer small enough to carry in your board luggage: meet the ALTO S-8. In spite of its size, you can find great 3-band equalizers in each channel plus switchable low-cut filters in the mono channels, 2 AUX sends, 2 stereo returns, phantom power and accurate peak LED and level meters.
  • Page 4 STEREO AUX RETURN 2 AUX RETURN2 EFX TO AUX-1 LEFT-BUS LEFT METER AUX-1 RIGHT LEFT RIGHT-BUS Titel RIGHT METER ALTO MIXING CONSOLE AUX-1 Size Model No: Revision S-8 BLOCK DIAGRAM VER020521 RIGHT 8-Aug-2003 Date: Sheet 1 of File: S8-MAP.Sch Drawn By: KEVIN LIN.
  • Page 5 S8-DSP S8-PU1 S8-IN2.SCH S8-DSP.SCH S8-PU1.SCH C201 100n U10C U11C U12C Titel INPUT STAGE ( CH1-CH4 ) C202 Size Model No: Revision 100n ALTO S-8 C204 C206 C288 C290 C292 C294 C296 C298 C300 C302 C304 VER020815 -VCC 100n 100n 100n...
  • Page 6 R125 100n U13C U14C U15C U16C U17C U18C U19C U20C C216 100n C218 C220 -VCC 100n 100n Titel INPUT STAGE ( CH5-CH8) Size Model No: Revision ALTO S-8 VER020815 19-Sep-2003 Date: Sheet 2 of File: S8-IN2.Sch Drawn By: KEVIN LIN.

  • Page 7: Main Out

    STEREO AUX & SENDS & MAIN OUT & 2TK & CTRL R & PHONES 100n 100n 100n 100n 100n 100n 47u/25V 100n CN6J CN5J Size Model No: Revision PGND ALTO S-8 VER020724 19-Sep-2003 Date: Sheet 3 of File: S8-PU1.Sch Drawn By: KEVIN LIN.
  • Page 8 47uF 100n PGND PGND PGND PGND R368 100K Titel R-METER DISPLAY STAGE Size Model No: Revision 2003/5/15 change D2,D3 from DA204K to 1N4148 ALTO S-8 VER020724 刪除 R371,R372 0ohms 19-Sep-2003 Date: Sheet 4 of File: S8-DSP.Sch Drawn By: KEVIN LIN.
  • Page 18 7. PCB零件阻值圖...
  • Page 23 PCB#S8PWR 零件阻值圖...
  • Page 24 5. Wiring Diagram...
  • Page 25 7. Electrical Parts List SEKAKU ELECTRON INDUSTRY CO.,LTD Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/08/08 Prepared by JG010012[張淑菁] Page No.: Item No. PF01207 Version UNIT: DESCRIPTION: Date: 2002/11/08 S-8_ALTO_230V_歐規_CHINA Version Item No Loss % Ver. Unit Effective Date Cardinal Item Descri Usage Rate...
  • Page 26 │ 0.00 ├0039--------------------------------- TC00116 1.0000 2002/11/08 │ wire │ PT-S8_230V 0.00 ├0040--------------------------------- MI01445 1.0000 2002/11/08 ││ ZD-隔離罩-S8-04 ││ S-8 PT-S8用 0.00 │└0001------------------------------- MJ00090 1.0000 2003/02/25 │ iron board │ 0.3*200*3000 1.431kg 0.00 ├0041--------------------------------- MJ01027 1.0000 2002/11/08 ││ heat-sink ││ 0.00...
  • Page 27 4*2440*1220 32.40kg 0.00 ├0042--------------------------------- NI02249 3.0000 2002/11/08 │ caushion │ TW-1(TO-220) 0.00 ├0043--------------------------------- NC00022 1.0000 2002/11/13 │ insulation │ 0.3t*18*45mm S-8 0.00 ├0044--------------------------------- MG00162 3.0000 2002/11/08 │ screw │ M3*8 0.00 ├0045--------------------------------- NF00061 1.0000 2002/11/08 │ assurance card │ ▲LTO 0.00...
  • Page 28 SEKAKU ELECTRON INDUSTRY CO.,LTD Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/08/08 Prepared by JG010012[張淑菁] Page No.: Item No. PF01207 Version UNIT: DESCRIPTION: Date: 2002/11/08 S-8_ALTO_230V_歐規_CHINA Version Item No Loss % Ver. Unit Effective Date Cardinal Item Descri Usage Rate @:Phantom Layer Component Remark Attrition Rate...
  • Page 29 SEKAKU ELECTRON INDUSTRY CO.,LTD Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/08/08 Prepared by JG010012[張淑菁] Page No.: Item No. PF01207 Version UNIT: DESCRIPTION: Date: 2002/11/08 S-8_ALTO_230V_歐規_CHINA Version Item No Loss % Ver. Unit Effective Date Cardinal Item Descri Usage Rate @:Phantom Layer Component Remark Attrition Rate...
  • Page 30 SEKAKU ELECTRON INDUSTRY CO.,LTD Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/08/08 Prepared by JG010012[張淑菁] Page No.: Item No. PF01207 Version UNIT: DESCRIPTION: Date: 2002/11/08 S-8_ALTO_230V_歐規_CHINA Version Item No Loss % Ver. Unit Effective Date Cardinal Item Descri Usage Rate @:Phantom Layer Component Remark Attrition Rate...
  • Page 31 SEKAKU ELECTRON INDUSTRY CO.,LTD Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/08/08 Prepared by JG010012[張淑菁] Page No.: Item No. PF01207 Version UNIT: DESCRIPTION: Date: 2002/11/08 S-8_ALTO_230V_歐規_CHINA Version Item No Loss % Ver. Unit Effective Date Cardinal Item Descri Usage Rate @:Phantom Layer Component Remark Attrition Rate...
  • Page 32 SEKAKU ELECTRON INDUSTRY CO.,LTD Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/08/08 Prepared by JG010012[張淑菁] Page No.: Item No. PF01207 Version UNIT: DESCRIPTION: Date: 2002/11/08 S-8_ALTO_230V_歐規_CHINA Version Item No Loss % Ver. Unit Effective Date Cardinal Item Descri Usage Rate @:Phantom Layer Component Remark Attrition Rate...
  • Page 33 SEKAKU ELECTRON INDUSTRY CO.,LTD Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/08/08 Prepared by JG010012[張淑菁] Page No.: Item No. PF01207 Version UNIT: DESCRIPTION: Date: 2002/11/08 S-8_ALTO_230V_歐規_CHINA Version Item No Loss % Ver. Unit Effective Date Cardinal Item Descri Usage Rate @:Phantom Layer Component Remark Attrition Rate...
  • Page 34 SEKAKU ELECTRON INDUSTRY CO.,LTD Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/08/08 Prepared by JG010012[張淑菁] Page No.: Item No. PF01207 Version UNIT: DESCRIPTION: Date: 2002/11/08 S-8_ALTO_230V_歐規_CHINA Version Item No Loss % Ver. Unit Effective Date Cardinal Item Descri Usage Rate @:Phantom Layer Component Remark Attrition Rate...
  • Page 35 SEKAKU ELECTRON INDUSTRY CO.,LTD Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/08/08 Prepared by JG010012[張淑菁] Page No.: Item No. PF01207 Version UNIT: DESCRIPTION: Date: 2002/11/08 S-8_ALTO_230V_歐規_CHINA Version Item No Loss % Ver. Unit Effective Date Cardinal Item Descri Usage Rate @:Phantom Layer Component Remark Attrition Rate...
  • Page 36 SEKAKU ELECTRON INDUSTRY CO.,LTD Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/08/08 Prepared by JG010012[張淑菁] Page No.: Item No. PF01207 Version UNIT: DESCRIPTION: Date: 2002/11/08 S-8_ALTO_230V_歐規_CHINA Version Item No Loss % Ver. Unit Effective Date Cardinal Item Descri Usage Rate @:Phantom Layer Component Remark Attrition Rate...
  • Page 37 SEKAKU ELECTRON INDUSTRY CO.,LTD Multi-Level BOM Structure Listing Report No.: IEBO_P02 Date 2003/08/08 Prepared by JG010012[張淑菁] Page No.: Item No. PF01207 Version UNIT: DESCRIPTION: Date: 2002/11/08 S-8_ALTO_230V_歐規_CHINA Version Item No Loss % Ver. Unit Effective Date Cardinal Item Descri Usage Rate @:Phantom Layer Component Remark Attrition Rate...
  • Page 38 │ └0001------------------------------ HA02249 0.0200 2002/09/19 │ wire │ φ0.6 0.00 ├0055--------------------------------- MG00326 14.0000 2002/11/08 │ screw │ 0.00 ├0056--------------------------------- MI01550 1.0000 2002/11/20 ││ separating shade ││ 62*28*3 S-8 0.00 │└0001------------------------------- MJ00084 1.0000 2003/02/25 │ iron board │ 0.33*1000*1000 2.59kg 0.00...
  • Page 39 Ver. Unit Effective Date Cardinal Item Descri Usage Rate @:Phantom Layer Component Remark Attrition Rate └0057--------------------------------- NI02285 1.0000 2002/11/20 │ insulation │ 0.5*61*27.5 S-8 0.00 └0001-------------------------------- NI02283 1.0000 2003/02/25 │ insulation │ 0.5*61*27.5 0.00 └0001------------------------------- NI00375 1.0000 2002/09/07 film 45*60.5*0.5mm...
  • Page 40 8. Exploded Views & Mechanical Parts List 15.1...
  • Page 41 Mechanical Parts List Model No. ALTO S-8 Item No Item Description MA03464 panel S-8 ALTO-EUROPE HK00927 K-PC board P-S8PU2-DIP MG00305 copper pole M3*24*0.5PH MG00042 screw M3*10 MG00041 screw M3*6 MF00061 washer JY-6351G-02-250 ME00060 socket nut JY-6351G-02-250 NI02084 knob φ10.5*18 NI01862 5.5*5.5*14.5...