Alto DI4 Service Manual Download Page 1 | Manualshive

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Service Manual

www.altoproaudio.com

Version: 1.1

Model: DI4

4-CH DIRECT INJECT BOX

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Summary of Contents for DI4

Page 1: ...Service Manual www altoproaudio com Version 1 1 Model DI4 4 CH DIRECT INJECT BOX...

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: ...ystem specifications Bandwidth 100kOhm 23Hz to 105Khz 3dbm Bandwidth 600Ohm 23Hz to 60Khz 3dbm Bandwidth High Cut 23Hz to 8Khz 3dbm Noise Level 105dBm THD N 1 kHz 10 dBm 0 01 Power supply Connector ty...

Page 4: ...2 1 3 4 CN9 INPUT 3c 5e 1a 4d 2b INPUT 3c 5e 1a 4d 2b LINK SW17 20dB ATTENUATION SW18 20dB ATTENUATION LED CONTROL SW13 8KHz HIGH CUT 2 1 3 OUTPUT T3 SW16 PHASE SW15 GND LIFT SW14 20dB gain CH3 2 1 3...

Page 5: ...30 153 M C31 10P R86 220K R82 11K R89 11K C28 47P D18 4148 C32 47 25V VCC CH1 D17 4148 R85 1K 8 4 U12C 2068M D16 4148 D20 4148 D19 4148 R84 47K5 R83 47K5 VCC CH1 C29 470 10V C34 1 50V VCC CH1 VCC CH1...

Page 6: ...uH R12 33R 2 1 3 4 CN8 XLR 3MALE R15 4K7 C18 102P TR3 78L24 C11 47 50V C12 220 50V D9 4148 D11 4148 D10 4148 D12 4148 VCC CH1 VCC CH1 29VDC VCC CH1 VCC CH1 1 2 CN6 AC24V IN 2 1 3 4 CN2 XLMN 3PH 3c 5e...

Page 7: ...4 Printed Circuit Diagram DI4FP PCB LAYOUT PCB DI4FP Top Layer PCB DI4FP Top Solder Mask PCB DI4FP Bottom Layer PCB DI4FP Bottom Solder Mask...

Page 8: ...PCB DI4FP Bottom Overlay PCB DI4FP Top Overlay PCB DI4FP Drill Drawing Plots Hole Size Hole Count 24mil 0 6mm 308 31mil 0 8mm 392 35mil 0 9mm 48 126mil 3 2mm 8 Totals 756...

Page 9: ...DI4FP PCB LAYOUT PCB DI4PU Top Overlay PCB DI4PU Top Layer PCB DI4PU Top Solder Mask...

Page 10: ...PCB DI4PU Bottom Overlay PCB DI4PU Bottom Layer PCB DI4PU Bottom Solder Mask...

Page 11: ...PCB DI4PU Drill Drawing Plots Hole Size Hole Count 24mil 0 6mm 303 31mil 0 8mm 80 35mil 0 9mm 64 39mil 1 0mm 16 47mil 1 2mm 6 55mil 1 4mm 6 59mil 1 5mm 1 63mil 1 6mm 21 110mil 2 8mm 2 Totals 499...

Page 12: ...OUT PCB DI4IN Top Layer PCB DI4IN Top Solder Mask PCB DI4IN Top Overlay PCB DI4IN Bottom Layer PCB DI4IN Bottom Solder Mask PCB DI4IN Drill Drawing Plots Hole Size Hole Count 24mil 0 6mm 2 87mil 2 2mm...

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Page 15: ...Diagram CN13 CN4 DI4 Sch Titel Size File Date Drawn By Sheet Revision Model No 28 Oct 2002 TASY J S DI4 Wiring Diagram 1 1 of DI4 V1 0 A4 OT DI1 DI4PU AC IN GND PT DI4 110V 220V LED CN10 OT DI1 CN7 OT...

Page 16: ...Midprod NO NO Quanity Unit 2002 07 12 2002 08 16 Page 1 of 1 2002 10 28 A DI4 ALTO 230V 1 1 000 PCS A DI4 2 1 000 PCS A DI4 3 1 000 PCS P DI4FP SMD 4 1 000 PCS P DI4FP DIP 5 1 000 PCS P DI4PU SMD 6 1...

Page 17: ...screw 11 MSCB34 MARK PCS 2 000 pill 3 6 black plated screw 12 MSCB38 MARK PCS 4 000 3 7 black plated screw 13 MSCB13 MARK PCS 14 000 cross head pan head 3 6 black plated screw 14 MSCB35 MARK PCS 2 00...

Page 18: ...1720 MARK PCS 1 000 ALTO 19 sponge barrier 35 PKMS153 MARK PCS 1 000 ALTO 19 barrier 36 PKMS156 MARK PCS 1 000 ALTO19 paper outter case 4 hole 37 POA182 MARK PCS 0 250 ALTO 19 MIC stand nut 38 ME00060...

Page 19: ...f 3 2002 10 28 DI4 ALTO 230V Mid No A DI4 ALTO 230V standard quantity 1 000 DI4 AMP Item No specify Item Name Specific NO Material No Unit Quanity Ps LED separating pillar 52 NPL278 MARK PCS 0 780 7 6...

Page 20: ...8 DI4 ALTO 230V Mid No A DI4 standard quantity 1 000 DI4 AMP Item No specify Item Name Specific NO Material No Unit Quanity Ps front board 1 MI01365 MARK PCS 1 000 DI4 iron pillar 2 MMC013 MARK PCS 8...

Page 21: ...MP Item No specify Item Name Specific NO Material No Unit Quanity Ps rear board 1 MB02207 MARK PCS 1 000 DI4 iron pillar 2 MMC013 MARK PCS 3 000 hexagon 6 35 M3 6 screw pillar 3 MSC023 MARK PCS 1 000...

Page 22: ...51 78 resistor 11 RD00370 MARK R PCS 8 000 33 2K 1 0603 106 14 25 41 52 68 79 95 resistor 12 RD00317 MARK R PCS 8 000 39 2K 1 0603 107 17 26 44 53 71 80 98 resistor 13 RD00290 MARK R PCS 12 000 47 5K...

Page 23: ...ndard quantity 1 000 DI4 AMP Item No specify Item Name Specific NO Material No Unit Quanity Ps SMD integrated circuit 24 SICS115 MARK U PCS 8 000 BA10339FV E2 1 10 11 2 4 5 7 8 SMD transistor 25 STRS1...

Page 24: ...8 MARK CN PCS 4 000 12P 12P 220 1 2 3 4 sw 8 HI00162 MARK SW PCS 12 000 PS 22E8552L 3 3x3 3 1 13 14 15 19 2 20 21 3 7 8 9 SW 9 HI00163 MARK SW PCS 12 000 PS 42E85L 3 3x3 3 10 11 12 16 17 18 22 23 24 4...

Page 25: ...R PCS 4 000 33 5 0603 12 17 2 7 SMD 1 10W fixed resistor 3 RFCF047 MARK R PCS 4 000 47 5 0603 1 11 16 6 SMD 1 10W fixed resistor 4 RFCF247 MARK R PCS 4 000 4 7K 5 0603 10 15 20 5 SMD rectifier diode 5...

Page 26: ...00 220 50V 12 15 4 9 integrated circuit 6 SD00132 MARK TR PCS 4 000 L78L24ACZ NJM78L24A 1 2 3 4 inductance 7 CN00038 MARK L PCS 4 000 220uH LGA0307 221K 1 2 3 4 row wire header 8 HCSV0212 MARK CN PCS...

Page 27: ...O 230V Mid No P DI4IN standard quantity 4 000 DI4 AMP Item No specify Item Name Specific NO Material No Unit Quanity Ps PC board 1 HB00712 MARK PCS 1 000 DI4IN 1 24 _VER020624 MIC jack 2 HC00371 MARK...

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