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Amplifier:
Power Source .................... AC 90V-240V/50Hz-60Hz
Power Consumption .................................. 1500 Watt
Output Power ................................... 1200 W(Woofer)
Frequency Response ............................ 20Hz~200Hz
Specifications subject to change in order to accommodate improvement in design.
Date: 2013/12/19
Service Manual
Specifications
(THD 1%, Without Limiter)
BLACK 15 SUB
Woofer:
Impedance ............................................................. 2Ω
Power Handling ........................................... 750 Watt
Sensitivity ......................................................... 94 dB
Frequency ........................................................ 100Hz
Dimensions ................ 513(W)x637.5(D)x455(H) m/m
Version: A7

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Summary of Contents for Alto BLACK 15 SUB

  • Page 1 BLACK 15 SUB Service Manual Specifications Amplifier: Woofer: Power Source ....AC 90V-240V/50Hz-60Hz Impedance ............. 2Ω Power Handling ........... 750 Watt Power Consumption ........1500 Watt Sensitivity ............94 dB Output Power ........1200 W(Woofer) Frequency ............100Hz (THD 1%, Without Limiter) Dimensions ....
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Page Page BLOCK DIAGRAM WOOFER EXPLODED VIEW ........ 24 AMP ..............3 MECHANICAL PARTS LIST ........25 DSP ..............4 POWER AMP PARTS LIST ......26-27 I/O PANEL ............5 WOOFER PARTS LIST ......... 28 TROUBLE SHOOTING ..........6 Preamp DSP P.C.Board ..........
  • Page 3: Block Diagram

    BLOCK DIAGRAM - 3 -...
  • Page 4: Dsp

    BLOCK DIAGRAM - 4 -...
  • Page 5: I/O Panel

    BLOCK DIAGRAM I/O PANEL 4051 - 5 -...
  • Page 6: Trouble Shooting

    TROUBLE SHOOTING Sympyon Cause and Remedy 1. Make sure power cable is connected to the speaker and plugged in properly. 2. Check if the switch is set to ”ON”. Turn-on issue 3. Check if the wiring is proper and complete. 4.
  • Page 7: Wiring Diagram

    WIRING DIAGRAM WIRING DIAGRAM LOGO P.L. PCB ANTENNA Core Core Preamp DSP PCB I/O PCB WOOFER POWER AMP PCB Core Core POWER SUPPLY PCB POWER SUPPLY PCB 5573A 5573A Core Mute PCB POWER Core EMI FILTER PL PCB POWER SUPPLY PCB 5573B Power socket Core...
  • Page 8: Schematic Diagram (Power Amp.)

    SCHEMATIC DIAGRAM R261 LR2728- 0 R015 C241 R267 0.1u R240 MMBT5401 R265 R269 R239 K C245 C243 180u/100V 0.1u/250V R235 K PIN6.3 R271 100K C233 150p/1K V PIN6.3 MMBT5551 MMBT5551 C246 PIN6.3 PGND 180u/100V C244 R270 0.1u/250V PGND R272 PGND PGND R266 R268...
  • Page 9: Mute

    SCHEMATIC DIAGRAM MUTE - 9 -...
  • Page 10: Dsp

    SCHEMATIC DIAGRAM - 10 -...
  • Page 11: Mcu

    SCHEMATIC DIAGRAM -11 -...
  • Page 12: Filter

    SCHEMATIC DIAGRAM FILTER - 12 -...
  • Page 13 SCHEMATIC DIAGRAM D 3.3V -12V -12V +12V D10A D10B LED10 LED9 BAV99W BAV99W CN23A D11A D11B SMD HEADER 2.54m m*16 C44B LED1 BAV99W BAV99W R282 R188 BK3.3V 0.1u 10u/10 V 220R BT-LD1 10u/25 V +5VD 22u/25V IN1M CLIP_LD IN1O+ BY-PASS_LD 100p R139 R189...
  • Page 14: Ac Power Filter

    SCHEMATIC DIAGRAM AC POWER FILTER - 14 -...
  • Page 15: 5573A_Power Stage

    SCHEMATIC DIAGRAM 5573A_Power Stage - 15 -...
  • Page 16: 5573A_Pfg Control

    SCHEMATIC DIAGRAM 5573A_PFC control -16 -...
  • Page 17: 5573A_Bias Supply

    SCHEMATIC DIAGRAM 5573A_Bias supply - 17 -...
  • Page 18: 5573A_Microcontrolle

    SCHEMATIC DIAGRAM 5573A_Microcontrolle - 18 -...
  • Page 19: 5573A_Secondary Power Supplies

    SCHEMATIC DIAGRAM 5573A_Secondary power supplies - 19 -...
  • Page 20: 5573A_Power Good

    SCHEMATIC DIAGRAM 5573A_Power-good - 20 -...
  • Page 21: 5573B_Power Stage

    SCHEMATIC DIAGRAM 5573B_Power stage - 21 -...
  • Page 22: Exploder View

    EXPLODED VIEW BLACK 15 SUB - 22 -...
  • Page 23: Power Amp Exploded View

    POWER AMP EXPLODED VIEW Preamp DSP P.C. Board Mute P.C. Board - 23 -...
  • Page 24: Woofer Exploded View

    WOOFER EXPLODED VIEW - 24 -...
  • Page 25: Mechanical Parts List

    MECHANICAL PARTS LIST REF. # ML PARTS NUMBER DESCRIPTION Quantity REMARK 350-EM04015D152-E Screw for grille 329-150-05631-0BAE Grille 051-B10005I00-EP LED PCB 398-PC-05877-0TAE Light Pipe 316-ABS-05528-0BAE LED Top Logo 361-ABS-05254-0BAE Top Logo Support 351-BM10027A1813-E Suspension Screw 328-SPG-10066-0WAE 328-SPG-10066-1WAE 351-BM06023A1825-E Screw For Po e Socket 325-AL-05596-0BAE Pole Socket 188-907X00501-E...
  • Page 26: Power Amp Parts List

    POWER AMP PARTS LIST REF. # ML PARTS NUMBER DESCRIPTION Quantity REMARK 303-FE-05260-1BDE On iron panel 323-AL-10035-0BAE Heatsink 303-FE-10006-1BAE Under iron panel 413-000-10107-E Label 337-CU-10003-0YAE Copper Foil 413-000-10307-E Panel label 180-P3024DB-E Power switch 333-PAP-10059-0BAE Leakproof pad sheet 333-PAP-10060-0BAE R-Leakproof pad sheet 333-PAP-10061-0BAE L-Leakproof pad sheet 351-BM03010A530-E...
  • Page 27 POWER AMP PARTS LIST (Continued) REF. # ML PARTS NUMBER DESCRIPTION Quantity REMARK 051-B10007C00-EP Sub Amplifier PCB Assy 362-CU-05002-0YAE Hexagonal copper pillar M3x8mm 193-0S162602-E Thermal pads 16.5x30x0.25t 193-201612TR-E Ceramics Insulation sheet 192-993227PBF-E Dip Transistors IRFB4227PBF 359-FIB-10001-E Fiber gaskets_10x8x1t 354-HM03044-E M3 Hexagon Nuts 351-DM03012A2050-E Truss Head Screw_M3x0.5Px12mm 362-NYL-10027-0LAE...
  • Page 28: Woofer Parts List

    WOOFER PARTS LIST REF. # ML PARTS NUMBER DESCRIPTION Quantity REMARK 372-000-10011-E Diaphragm System 372-000-10010-E Magnet System - 28 -...
  • Page 29: Preamp Dsp P.c.board

    Preamp DSP P.C. BOARD (TOP VIEW) (BOTTOM VIEW) - 29 -...
  • Page 30: I/O P.c. Board

    I/O P.C. BOARD (TOP VIEW) (BOTTOM VIEW) MUTE P.C. BOARD (TOP VIEW) (BOTTOM VIEW) - 30 -...
  • Page 31: Power Amp. P.c. Board

    AMP P.C. BOARD (TOP VIEW) (BOTTOM VIEW) - 31 -...
  • Page 32: Power Supply P.c. Board (5573A)

    POWER SUPPLY P.C. BOARD (TOP VIEW) 5573_A (BOTTOM VIEW) - 32 -...
  • Page 33: Power Supply P.c. Board (5573B)

    POWER SUPPLY P.C. BOARD (TOP VIEW) 5573_B (BOTTOM VIEW) - 33 -...
  • Page 34: Emi Filter P.c. Board

    EMI FILTER P.C. BOARD (TOP VIEW) (BOTTOM VIEW) DC FILTER P.C. BOARD (TOP VIEW) (BOTTOM VIEW) LOGO PL. P.C. BOARD (TOP VIEW) (BOTTOM VIEW) LED11 RoHS - 34 -...

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