Bose Panaray MSA12X Service Manual
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Bose Panaray MSA12X Service Manual

Bose Panaray MSA12X Service Manual

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®
®
Bose
Panaray
MSA12X Loudspeaker
Service Manual
©2021 Bose Corporation
Reference Number 787856-SM
Revision 01

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  • Page 1 ® ® Bose Panaray MSA12X Loudspeaker Service Manual ©2021 Bose Corporation Reference Number 787856-SM Revision 01...

  • Page 2: Table Of Contents

    CONTENTS Table of Contents............................2 Safety Information.............................3 Proprietary Information..........................3 Warranty..............................3 Product Versions............................3 Product Description...........................4 Specifi cations.............................5 Electrostatic Discharge..........................6 Parts List Notes............................6 Packaging Parts List ..........................7-8 Figure 1. Packaging View...........................8 Main Parts List............................9 Figure 2. Main Assembly Exploded View....................10 Electrical Part List..........................11-27 Disassembly Procedures........................28-33 Figure 3.

  • Page 3: Safety Information

    BOSE SERVICE CENTER, AND SHALL NOT BE REPRODUCED OR USED FOR ANY OTHER PURPOSE. WARRANTY The Bose ® Panaray ® MSA12X loudspeaker is covered by a limited warranty. Visit pro.Bose.com for warranty details. Product Versions Material Number Description 787856-0110 PANARAY MSA12X LDSPKR BLK NO AC CORD...

  • Page 4: Product Description

    NOTE: The MSA12X can be rotated 180 degrees for installation. This reverses the positions of the top and bottom panels. Recommended Amplifi er and Signal Processing ® System designs that have any of the following requirements require use of a Bose ESP engineered sound processor. • Adding Room EQ in addition to on-board Loudspeaker EQ.

  • Page 5: Specifications

    (1) Power cord, (1) Power interconnect cable, (1) RJ-50 expansion cable, (1) Phoenix connector, (2) Wall/Speaker-mount bracket sets, (1) Interconnect bracket, (12) Zip ties, (1) Bose logo, (4) M6 flange nuts, (8) M6 hex head bolts, (1) yaw bracket Product Codes...

  • Page 6: Electrostatic Discharge

    Electrostatic Discharge Sensitive (ESDS) Device Handling This unit contains ESDS devices. We recommend the following precautions when repairing, replacing or transporting ESDS devices: • Perform work at an electrically grounded work station. • Wear wrist straps that connect to the station or heel straps that connect to conductive fl oor mats. •...

  • Page 7: Packaging Parts List

    PACKAGING PART LIST Panaray ® MSA12X (see Figure 1) ® Item Description Bose Part Vendor Part Number Qty. Note Number Number 1, 2, 3 KIT, HARDWARE, CABLE SECURE 799698-001S CONSISTS OF: CABLE TIE, NYLON, L = 4 INCH 13-100320-000-U000 POLYBAG, 3.5”, ZIP, P 94-000020-000-U003 STS, STL, D2.8XL10, PAN, BLK ZN-P...
  • Page 8 PACKAGING PART LIST (CONT.) Panaray ® MSA12X (see Figure 1) Item Description Bose ® Part Vendor Part Number Qty. Note Number Number MSA12X LOUDSPEAKER PE FOAM, TOP 799634-001S 93-201833-000-U000 CABLE, LINE CORD, IEC, C13, US 350745-0010 CABLE, LINE CORD, IEC, C13, JP...

  • Page 9: Main Parts List

    MAIN PART LIST Panaray ® MSA12X (see Figure 2) ® Item Description Bose Part Vendor Part Number Qty. Note Number Number BREAKER, 240VAC, 10A, 48VDC, 50/60HZ, 792619-001S 44-200332-000-U000 SVCE IEC EGRESS CONN, 158A, 250V, NIC-P SVCE 787148-001S 40-004562-000-U000 AC EXPANSION HEATSINK PAD, OP8500, 22X26X1.0T...
  • Page 10 MAIN PART LIST (CONT.) Panaray ® MSA12X (see Figure 2) Figure 2. Main Assembly Exploded View...

  • Page 11: Electrical Part List

    ELECTRICAL PART LIST SMPS PCB Assembly Resistors Reference Designator Description Vendor Vendor Part Number Note R1, R2, R118, R119 RES, SMD, 1M, 1%, 1/4W, 1206 PANASONIC ERJ-8ENF1004V R3, R5 RES, SMD, 487K, 1%, 1/8W, 0805 PANASONIC ERJ-6ENF4873V R4, R8, R12, R16 RES, SMD, 120K, 1%, 1/2W, 0805 Panasonic ERJ-P6WF1203V...
  • Page 12 ELECTRICAL PART LIST SMPS PCB Assembly Resistors (continued) Reference Designator Description Vendor Vendor Part Number Note RES, SMD, 8.45K, 1%, 1/4W, 1206 PANASONIC ERJ-8ENF8451V RES, 5.62K, 1%, 1/16W, 0603 PANASONIC ERJ-3EKF5621V RES, 4.42K, 1%, 1/16W, 0603 PANASONIC ERJ-3EKF4421V RES, 825, 1%, 1/16W, 0603 PANASONIC ERJ-3EKF8250V R82, R108, R111...
  • Page 13 ELECTRICAL PART LIST SMPS PCB Assembly Capacitors (continued) Reference Designator Description Vendor Vendor Part Number Note C5, C116 CAP, CER, 0.47uF, 50V, 5%, X7R, 0805 Kemet C0805C474J5RACTU C7, C44, C97, C98, C99 CAP, AL ELECT, 120uF, 420V, 20%, Ra- Nichicon LQSW6121MELZ30 dial, 22x32MM C8, C23...
  • Page 14 ELECTRICAL PART LIST SMPS PCB Assembly Capacitors (continued) Reference Designator Description Vendor Vendor Part Number Note CAP, AL ELECT, 100uF, 35V, 20%, PANASONIC ECA-1VHG101 6.3x12MM CAP, ALUM, 220uF, 20%, 16V, RADIAL United Chemi- CAP, ALUM, 220uF, 20%, 6.3V, RADIAL Nichicon UPW0J221MED CAP, CER, 1000pF, 100V, 5%, C0G, C1608C0G2A-...
  • Page 15 ELECTRICAL PART LIST SMPS PCB Assembly Diodes (continued) Reference Designator Description Vendor Vendor Part Number Note D11, D12 Diode, 1N4148, Small Signal, 75V, Fairchild Semi 1N4148WS 150mA, SOD-323 DIODE, BZX84C12W, ZENER, 12V, DIODES INC BZX84C12W-7-F 200MW, SOT-323 D16, D23, D25 DIODE, GEN PURP, 50V, 1A, SMA Diodes Inc S1A-13-F...
  • Page 16 ELECTRICAL PART LIST SMPS PCB Assembly Integrated Circuits (continued) Reference Designator Description Vendor Vendor Part Numbe Note IC, 1.24V, VREF, SHUNT, ADJ, SOT23-3 TLVH431AQDBZR Inverter, IC, 1 Channel, SOT-23-5 Fairchild Semi NC7SZ04M5X U16, U17 Comparator, CMOS, DTL, ECL, ST Micro TS391ILT Open-Collector, TTL, SOT-23-5 Miscellaneous...
  • Page 17 ELECTRICAL PART LIST DSP/MCU PCB Assembly Resistors Reference Designator Description Vendor Vendor Part Number Note RES, 47.0, 1/10W, 1%, 0402 PANASONIC ERJ-2RKF47R0X R2, R3, R4, R5, R6, R8, R9, RES, 10.0K, 1/10W, 1%, 0402 PANASONIC ERJ-2RKF1002X R10, R13, R29, R31, R32, R47, R74, R75, R76, R78, R91, R105, R107, R134, R139, R140, R144, R145, R146, R 196, R197, R200,...
  • Page 18 ELECTRICAL PART LIST DSP/MCU PCB Assembly Resistors (continued) Reference Designator Description Vendor Vendor Part Number Note R51, R53, R57, R58, R60, R61, RES, 100, 1/10W, 1%, 0402 PANASONIC ERJ-2RKF1000X R67, R238, R263, R268, R274, R284, R309, R314, R320, R332, R342, R354, R364 R54, R55, R80, R90, R94, R130, RES, 4.99K, 1/10W, 1%, 0402 PANASONIC...
  • Page 19 ELECTRICAL PART LIST DSP/MCU PCB Assembly Capacitors Reference Designator Description Vendor Vendor Part Number Note C1, C2, C3, C4, C5, C6, C7, C8, CAP, CER, 0.1uF, 25V, 20%, MURATA GRM155R71E104ME14D C9, C10, C11, C12, C13, C15, X7R, 0402 C17, C20, C23, C26, C30, C34, C36, C37, C38, C39, C40, C41, C42, C43, C44, C45, C46, C47, C48, C50, C52, C54, C56, C58,...
  • Page 20 ELECTRICAL PART LIST DSP/MCU PCB Assembly Capacitors (continued) Reference Designator Description Vendor Vendor Part Number Note C71, C74, C84 CAP, CER, 100pF, 50V, 5%, MURATA GRM1555C1H101JA01D C0G, 0402 C79, C93 CAP, CER, 820pF, 50V, 5%, MURATA GRM1555C1H821JA01D C0G, 0402 C80, C85, C88, C92 CAP, CER, 47pF, 50V, 5%, MURATA GRM1555C1H470JA01D...
  • Page 21 ELECTRICAL PART LIST DSP/MCU PCB Assembly Integrated Circuits (continued) Reference Designator Description Vendor Vendor Part Number Note IC DIG, ULTIMO 2X2, BGA-144 AUDINATE UXT-01-002 IC DIG, CLK GEN W/ PLL SILICON SI5351B-B-GM VCXO, 8 CH, QFN-20 LABS IC DIG, EEPROM, 256KBIT, ON SEMI CAT24C256WI-GT3 I2C, SOIC-8...
  • Page 22 ELECTRICAL PART LIST DSP/MCU PCB Assembly Miscellaneous (Continued) Reference Designator Description Vendor Vendor Part Number Note CON, HEADER, XH, 10POS, B10B-XH-A(LF)(SN) 2.5MM, TH XTL, 16MHZ, 30PPM, 10PF ABRACON ABM8G-16.000MHZ- 4Y-T3 XTL, 27MHZ, 10PPM, 10PF TXC CORP 7M-27.000MEEQ-T OSC, 49.152MHZ, 25PPM, FXO-HC736R-49.152 3.3V Amplifi...
  • Page 23 ELECTRICAL PART LIST Amplifi er PCB Assembly Resistors (continued) Reference Designator Description Vendor Vendor Part Number Note R73, R75, R77, R80, R90, R91, RES, 2.2, 1%, 1/10W, 0603 PANASONIC ERJ-3RQF2R2V R93, R96, R106, R107, R109, R112, R122, R124, R125, R128, R138, R139, R141, R144, R154, R156, R157, R160, R170, R171, R173, R176, R186, R187, R189,...
  • Page 24 ELECTRICAL PART LIST Amplifi er PCB Assembly Capacitors Reference Designator Description Vendor Vendor Part Number Note C1, C4, C5, C8, C14, C16, C19, CAP, CER, 10uF, 6.3V, 10%, Taiyo Yuden JMK212B7106KG-T C21, C25, C26, C35, C36, C39, X7R, 0805 C44, C46, C49, C51, C55, C56 C2, C3, C6, C7, C9, C10, C11, C12, CAP, CER, 0.1uF, 50V, 10%, Kemet...
  • Page 25 ELECTRICAL PART LIST Amplifi er PCB Assembly Capacitors (continued) Reference Designator Description Vendor Vendor Part Number Note C73, C88, C105, C121, C136, CAP, MET POLY FILM, Kemet R82EC3680AA70J C153, C166, C185, C198, C214, 0.68uF, 63VDC, 5%, RADI- C230, C249 C75, C77, C91, C93, C107, C109, CAP, AL ELECT, 470uF, Nichicon UHW1H471MPD...
  • Page 26 ELECTRICAL PART LIST Amplifi er PCB Assembly Transistors Reference Designator Description Vendor Vendor Part Number Note XSTR, MBT2907A, PNP, DIODES, MMBT2907A-7 60V, 500MA, SOT23 INC. Q2, Q6, Q10, Q14, Q18, Q22, Q26, XSTR, FMMT593, PNP, DIODES, FMMT593TA Q30, Q34, Q38, Q42, Q46, Q52, 100V, 1A, SOT-23 INC.
  • Page 27 ELECTRICAL PART LIST Amplifi er PCB Assembly Miscellaneous (continued) Reference Designator Description Vendor Vendor Part Number Note Header, 6-Pos, 0.156, TH, B6P-VH(LF)(SN) Latch SCREW1, SCREW2, SCREW3, Screw, 18-8 Stainless Steel, McMas- 92000A113 SCREW4, SCREW5, SCREW6, Phillips Rounded Head ter-Carr SCREW7, SCREW8, SCREW9, Screw, M3 x 0.5mm Thread, SCREW10, SCREW11, SCREW12, 4mm Long...

  • Page 28: Disassembly Procedures

    DISASSEMBLY PROCEDURE 1. End Cap Removal 1.1 Remove the ten screws that secure the end cap to the loudspeaker housing. Lift off the end cap and gasket shown by arrows in fi gure 3. 1.2 Repeat step 1.1 to remove the end cap and gasket at the opposite end of the MSA12X housing shown in Figure 4.

  • Page 29: Figures 8, 9,10,11,12 Driver Assembly Removal

    DISASSEMBLY PROCEDURE 4. Driver Removal 4.1 Perform procedure 1. 4.2 Remove the four screws that secure the driver to the front baffl e indicated by arrows in Figure 7. Lift out the driver and disconnect the two Faston connections of the wiring harness. Figure 7 5.

  • Page 30: Figures 13,14,15 Interconnect Pcb Removal

    DISASSEMBLY PROCEDURE 5.4 Figure 10 shows the opposite side of the driver assembly. Figure 10 5.5 Carefully assert the pulling direction towards the mid section as shown in Figure 11. CAUTION: The left and right driver assembly is attached together with one internal screw located underneath the center section of the driver assembly.

  • Page 31: Figures 16-17 Electronics Module Removal

    DISASSEMBLY PROCEDURE 6.3 Lift up on the PCB assembly and disconnect the two wire harnesses that are connected to the bottom of the board as shown in Figure 14. Tuck the ends of the wire harnesses back into the opening covered by the interconnect board as shown in fi...

  • Page 32: Figures 18-20 Smps Pcb Removal

    DISASSEMBLY PROCEDURE 8. SMPS PCB Removal 8.1 Perform procedure 7 8.2 Disconnect the various wiring harnesses. 8.3 Remove the two circuit breaker wires and the circuit breaker to access the screw below as indicated by an arrow in Figure 18. Figure 18 8.4 Remove the 9 screws and two standoffs that retain the SMPS PCB to the aluminum heatsink...
  • Page 33 DISASSEMBLY PROCEDURE 10. MCU/DSP PCB Removal 10.1 Perform procedure 7. 10.2 Disconnect the various wiring harnesses from the PCB assembly. 10.3 Remove the fi ve screws that secure the MCU/DSP PCB to the aluminum heatsink in Figure 22. 10.4 Lift off the MCU/DSP PCB. Figure 22...

  • Page 34: Set Up Procedures

    ® ControlSpace ® Designer software (Version 5.01 or later) download at http://pro.bose.com. 2. MSA12X as a second unit to test LVDS audio from MSA12X Master unit. 3. Audio Precision ATS-1 audio signal generator/analyzer or similar. 4. TP-LINK TL-R600VPN Gigabit Broadband Router or similar.
  • Page 35 ® ® Install Bose ControlSpace Designer , Figure Note: Visit pro.Bose.com to download the latest soft- ware version of ControlSpace Designer, which includes product fi rmware, the latest algorithms and a detailed help system. Figure 25 20. Install Dante Controller, fi gure 26.
  • Page 36 SET UP PROCEDURES (Continued) 21. Install Dante Virtual Sound Card. Note: You will need to purchase a license from Audinate.com to activate and use the Dante Virtual Sound Card as shown in fi gure 27. A license can be purchased on a temporary basis or a permanent basis.
  • Page 37 SET UP PROCEDURES (Continued) 29. Download the free VLC media player. This application will allow you to use digital audio fi les from your computer and install them to VLC media player and be able to control the volume with the computer mouse as indicated by an arrow in Figure Note: Keep the Dante volume at minimum until you are ready to start testing, then slowly bring the...
  • Page 38 SET UP PROCEDURES (Continued) 32. Figure 31 shows a red circle which indicates the advanced tab. This will allow testing of the complete array or individual channels of the MSA12X loudspeaker as shown in Figure 32. Note: Do not select internal (1KHz) from the audio check section as this is very loud and is not controllable.

  • Page 39: Test Procedures

    TEST PROCEDURES 1 LED Tests 4.3 There should be no extraneous noises such as rubbing, ticking or scraping, if so replace the defective 1.1 Apply AC main to the MSA12X loudspeaker driver . input panel and check LED 1 for a solid green as shown in fi...

  • Page 40: Hi-Pot And Bond Test

    HI POT TEST Hi-Pot Test: THIS IS A MANDATORY TEST Note: If the unit under test requires disassembly as part of the repair, it MUST be Hi-Pot tested before being returned to the customer to ensure that there is no potential shock hazard. This test requires a Hi-Pot tester with a ground bond attachment to perform this test.

  • Page 41: Service Manual Revision History

    SERVICE MANUAL REVISION HISTORY Revision Change Driven Date Description of Change Page(s) Affected Level 12/2021 Updated settings for Hi-pot test Test update...
  • Page 42 Bose Corporation The Mountain Framingham Massachusetts USA 01701 P/N: 787856 SM REV 01, 12/2021 http://serviceops.bose.com...

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