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Alto X40 Service Manual

Alto X40 Service Manual

4-way stereo active crossover
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Service Manual
Model: X40
(4-WAY STEREO )
ACTIVE CROSSOVER
www.altoproaudio.com
Version: 1.1

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Summary of Contents for Alto X40

  • Page 1 Service Manual Model: X40 (4-WAY STEREO ) ACTIVE CROSSOVER 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. SPECIFICATION (X40) Electrical SUB-LOW Frequency Range 30Hz-250Hz LOW-MID Frequency Range 100Hz-1KHz MID-HIGH Frequency Range 1KHz-9KHz Av=0dB, fc=46,200,1K,5KHz HUM & Noise SUB e S ction ( utput @ 0db) -95dBu LOW Section (Output@0dB) -94dBu MID S ection utput @0dB) -94dBu...
  • Page 4: Block Diagram

    2.Block Diagram...
  • Page 5: Schematic Diagram

    R114 R116 10K0 10K0 R117 100/25V 150R CN-BAL(MALE) IC3D HIGH OUT 1 MC33079 R122 HIGH R115 182(M) 100K 10K0 Titel ALTO Mobile : X40 MAIN BOARD Size Model No: Revision V1.0 27-Jan-2002 Date: Sheet File: X40-1(M).Sch Drawn By: TASY J.S.
  • Page 6 LOW OUT 1 SUB OUT 1 MC33079 MC33079 MC33079 R139 R131 R147 Titel 10K0 182(M) 100K 182(M) 100K 182(M) 100K 10K0 10K0 ALTO Mobile : X40 MAIN BOARD Size Model No: Revision V1.0 27-Jan-2002 Date: Sheet X40-2(M).Sch File: Drawn By: TASY J.S.
  • Page 8 4.Printed Circuit Diagram X40(M) PCB LAYOUT PCB : X40(M) Top Layer PCB : X40(M) Top Solder Mask PCB : X40(M) Top Overlay PCB : X40(M) Bottom Layer...
  • Page 9 PCB : X40(M) Bottom Solder Mask PCB : X40(M) Bottom Overlay PCB : X40(M) Drill Drawing Plots Hole Size Hole Count 24mil (0.6mm) 31mil (0.8mm) 39mil (1.0mm) 47mil (1.2mm) 59mil (1.5mm) 87mil (2.2mm) 150mil (3.8mm) Totals...
  • Page 10 SCX240IO PCB LAYOUT PCB : SCX240IO Bottom Layer PCB : SCX240IO Bottom Solder Mask PCB : SCX240IO Top Overlay PCB : SCX240IO Drill Drawing Plots Hole Size Hole Count 31mil (0.8mm) 39mil (1.0mm) 47mil (1.2mm) 63mil (1.6mm) 150mil (3.8mm) Totals...
  • Page 11 XPWR PCB LAYOUT PCB : XPWR Bottom Layer PCB : XPWR Bottom Solder Mask PCB : XPWR Bottom Overlay PCB : XPWR Top Overlay Hole Size Hole Count 31mil (0.8mm) 39mil (1.0mm) 63mil (1.6mm) 98mil (2.5mm) 138mil (3.5mm) Totals PCB : XPWR Drill Drawing Plots...
  • Page 15: Wiring Diagram

    5. Wiring Diagram...
  • Page 16: Electrical Parts List

    Page 1 of 1 7. Electrical Parts List X40-ALTO-230V 2002/11/1 Structure Needing Material Detail List 建檔日: 2002/02/08 修正日: 2002/10/28 Midprod NO Quanity Unit A-X40-ALTO-230V 1.000 A-X34 底板組合 1.000 P-XPWR 1.000 P-SCX240IO-DIP 2.000 P-X40(M)-SMD 2.000 P-X40(M)-DIP 2.000...
  • Page 17 X40-ALTO-230V 2002/11/1 Page 1 of 3 Item No: specify: Mid No: A-X40-ALTO-230V standard quantity: 1.000 Quanity Unit Material No Item Name Specific 1 MFR4012ZZ panel(white) 1.000 MARK: 2 MTP229ZZ top cover-printing CLE2.0 1.000 MARK: 3 MBK419ZZ rear board (spray black-paint) 1.000...
  • Page 18 X40-ALTO-230V 2002/11/1 Page 2 of 3 Item No: specify: Mid No: A-X40-ALTO-230V standard quantity: 1.000 Quanity Unit Material No Item Name Specific 26 HLSP164 P.V.C wiring UL1617 AWG22 250mm black 1.000 MARK: 27 HLSP71 P.V.C single wave wired UL1617 22AWG 80m/m brown 1.000...
  • Page 19 X40-ALTO-230V 2002/11/1 Page 3 of 3 Item No: specify: Mid No: A-X40-ALTO-230V standard quantity: 1.000 Quanity Unit Material No Item Name Specific 51 MMCJ15 jumper wire 16m/m 1.000 MARK: 52 NMCQ-073 assurance book ALTO 1.000 MARK: 53 NMLM380ZZ label 4.000...
  • Page 20 X40-ALTO-230V 2002/11/1 Page 1 of 1 Item No: specify: Mid No: A-X34 底板組合 standard quantity: 1.000 Quanity Unit Material No Item Name Specific 1 MBT321ZZ bottom rear plate 1.000 MARK: 2 MMC013 iron pillar hexagon 6.35*M3*6 2.000 MARK: 3 MMC014 iron pillar hexagon 6.35*M3*9.2...
  • Page 21 X40-ALTO-230V 2002/11/1 Page 1 of 1 Item No: specify: Mid No: P-XPWR standard quantity: 1.000 Quanity Unit Material No Item Name Specific 1 NPC0106 XPWR(1*4) 1.000 MARK: 2 RFC212S 1/8W fixed resistor 1.2KΩ S type 1.000 MARK: R 3 CC410F ceramic capacitor 0.1uF SL...
  • Page 22 X40-ALTO-230V 2002/11/1 Page 1 of 1 Item No: specify: Mid No: P-SCX240IO-DIP standard quantity: 2.000 Quanity Unit Material No Item Name Specific 1 NPC2032 SCX240IO_VER020517 1.000 MARK: 2 HCSM40 MIC jack for balance 99M-108SP1 4.000 MARK: S 2 3 4 5...
  • Page 23 X40-ALTO-230V 2002/11/1 Page 1 of 1 Item No: specify: Mid No: P-X40(M)-SMD standard quantity: 2.000 Quanity Unit Material No Item Name Specific 1 NPC447 PCB (double layer) X40(M)1*3 1.000 MARK: 2 RPCA2100 SMD 1/10W precise resistor 10.0KΩ ±1% 0603 63.000...
  • Page 24 X40-ALTO-230V 2002/11/1 Page 1 of 1 Item No: specify: Mid No: P-X40(M)-DIP standard quantity: 2.000 Quanity Unit Material No Item Name Specific 1 HSWA18 power switch PZ30 PBA-M-2PB1L 4.000 MARK: SW 2 3 4 8 2 HCSI0202 row-wire header 2P 2.5mm 180°...
  • Page 25 8. Exploded Views...