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AUDAC SMA Series Service Manual
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AUDAC SMA Series Service Manual

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SMA500
Service Manual
V1.0
www.audac.eu

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Summary of Contents for AUDAC SMA Series

  • Page 1 SMA500 Service Manual V1.0 www.audac.eu...
  • Page 2 Please comment on the completeness, accuracy, organization, usability, and readability of this manual by an e-mail to service.export@pvs.global All items within the bill of material (BOM) list that has a corresponding Audac part number (AU) can be ordered within PVS dealershop https://my.pvs.global/ if any of these parts can not found within the dealer shop please contact the Support &...

  • Page 3: Revision History

    Revision History Date Rev From Rev To Description 003/19 V1.0 Frist release...
  • Page 4 PCBA AMPLIFIER SMA/SMQ 500 AU513501500 PCBA DSP BOARD FOR SMA V1.25 AU513502132 PCBA XLR INPUT SMA SERIES AU513503102 PCBA TERM. BLOCK INPUT SMA SERIES AU513503112 PCBA OUTPUT (SET) FOR SMA SERIES AU513504202 PCBA POWER LED PCBA POWER SW PCBA POWER SUPPLY SMA500...

  • Page 5: Exploded View

    EXPLODED VIEW...
  • Page 6 POWER LED PCB ASS'Y LED HOLDER CONNECTOR WIRE(CON ASS'Y 1P UL1015 #18) FAN DC 80x80x25MM 24VDC 0.17A AU352480170 PCBA XLR INPUT SMA SERIES AU513503102 PCBA TERM. BLOCK INPUT SMA SERIES AU513503112 RACK EAR SIDE PANEL FAN COVER BOTTOM BASE ASS’Y PULLEY WASHER...
  • Page 7 REF NO. DESCRIPTION AUDAC Part code Q'TY CAB 12P FFC P1.0 OPPOSITE SIDE 200- DSP PCB P101 TO AMP PCB WA103B AU523501221 210MM 12P 1,0B TYPE FFC WIRE(L=280mm) DSP PCB P100 TO AMP PCB WA103B 12P 1,0 FFC WIRE(12P*470mm*1,0A TYPE,+/+)

  • Page 8: Block Diagram

    BLOCK DIAGRAM...

  • Page 9: Point-To-Point

    POINT TO POINT EURO-TER INPUT PCB EURO-TER OUT PCB CN501 W101A W102A W201A W202A WA101A XLR JACK INPUT PCB SPEAKCON OUT PCB W101 W102 W201 W202 WA102A BLACK BLACK WA101B DC FAN AMP1 PCB T102 WA103 T101 CN302 CN301 WA105C WA105A WA105 WA104...

  • Page 10: Technical Specifications

    Technical specifications Frequency Response (± 3 dB) 20 Hz - 20 kHz Signal / Noise > 95 dB THD+N (@ 1 kHz) < 0.05% (1/2 Rated Power) Crosstalk (@ 1 kHz) > 70 dB Technology Class-D Inputs Sensitivity (1W/1m) -19.5 dB ~ 27 dB Impedance 10 kΩ...

  • Page 11: Personal Notes

    Personal Notes...
  • Page 12 AU513501500 AMPLIFIER SMA/SMQ 500 680uF/100V 680uF/100V...
  • Page 13 AU513502132 DSP BOARD FOR SMA V1.25 CPU...
  • Page 14 AU513502132 DSP BOARD FOR SMA V1.25 CODEC...
  • Page 15 AU513503112 INPUT SMA SERIES...
  • Page 16 AU513504202 OUTPUT (SET) FOR SMA SERIES...
  • Page 17 AU513505502 POWER SUPPLY SMA500...

  • Page 18: Power Sw Pcb

    POWER LED PCB SMA/SMQ Project: Title: SCH PWER LED UPPER Number: Ref product BOM Revision: Sheet Drawn By: POWER SW PCB SMA/SMQ Project: Title: PCBA SW SWITCH POWER LOWER Number: AU442204000 Revision: Sheet Drawn By:...
  • Page 19 PCBA AMPLIFIER SMA/SMQ 500 AU513501500 REF NO. DESCRIPTION PVS ORDER Q'TY NUMBER WA103B, 12P FFC CONNECTOR DIP,180°,52806-1210 WA104, 5P SOCKET P=2,54mm CKM2503WV-5P-2,54mm WA105, 4P BASE P=3,96mm CKM3962WV-4P-3,96mm LD101, LED 6224-10ID-A,RED R142, R143, R152, R153, METAL OXIDE RESISTOR 2.2KΩ, 2W R130, M.O.RES 10Ω,J 3W AXIAL 74mm C133, C134, ELEC.
  • Page 20 REF NO. DESCRIPTION PVS ORDER Q'TY NUMBER R117, ROHS,CHIP RESISTOR 75KΩ, 1/8W, J, TP 080 150V R120, CHIP RESISTOR 4,7Ω 1/4W J TP 1206, 200V R107, R184, R124, R125, R183, R189, R192, CHIP RESISTOR 0Ω, 1/8W, 0805, J, TP 150V R112, CHIP RESISTOR 1,5KΩ, 1/8W, 0805, J, TP, 150V R174,...
  • Page 21 REF NO. DESCRIPTION PVS ORDER Q'TY NUMBER Q108, Q121, Q124, Q122, Q123, TRANSISTOR PMBS3904 PB FREE AU471013904 IC103, IC SN74AHC1G04 DBV SOT23-5 U102, DIGITAL AUDIO AMP IC IRS2092S SOIC16N IC101, IC104, IC NJM-2068M-TE2,SOP8 AU470002068 IC100, IC LM833DG SOIC8 C153, E.C. 10μF/50V M 105  , TAPING 5x11, Cd,P C152, C154, C155, C156, ELEC.
  • Page 22 PCBA DSP BOARD FOR SMA V1.25 AU513502132 REF NO. DESCRIPTION PVS ORDER Q'TY NUMBER DSP PCB ASS'Y S1, S2, MOMENTARY PUSH SWITCHES ESE20C421, SW-SPS AU443501001 SW1, ENCODE RE111F-41B3-15K-15P APHA AU413500000 5P CONNECTOR WIRE L=200mm, AWM1007 AWG26, 2*5P CONNECTOR P=2,54mm, 180 ° 2P BASE P=2,5 CKM2503WR-2P 90...
  • Page 23 REF NO. DESCRIPTION PVS ORDER Q'TY NUMBER R106, R126, CHIP RESISTOR 24KΩ, 1/8W ,0805, F, TP C123, C142, CHIP CAPACITOR 220pF/50V, J, 0805 TAP, NPO C102, C104, CHIP CAPACITOR 2,2uF/16V, Z, TAPING, Y5V C5, C10, C15, C24, C30, C37, C107, C108, CAPACITOR 10uF/10V, Z, SMD 0805, Y5V C110, C111, C113, C118, C126, C128, C129, C130, C132, C133, C135, C138, C151, C152,...
  • Page 24 JK101, JK201, JACK(JY-5031*030 JYETAI)(Cd,Pb) AU742012002 XLR JACK INPUT PCB C101, C102, C201, C202, CHIP CAPACITOR(1000pF/50V,J,0805 TAP,NPO L101, L102 ,L201, L202, SMD INDUCTOR(FLMA201209-R22KT,0,22uH SMD PCBA TERM. BLOCK INPUT SMA SERIES AU513503112 REF NO. DESCRIPTION PVS ORDER Q'TY NUMBER BRACKET(L TYPE) WA101A, 12P FFC CONNECTOR(DIP,180°,52806-1210)
  • Page 25 POWER LED PCBA REF NO. DESCRIPTION PVS ORDER Q'TY NUMBER WA103B, 12P FFC CONNECTOR DIP,180°,52806-1210 WA104, 5P SOCKET P=2,54mm CKM2503WV-5P-2,54mm WA105, 4P BASE P=3,96mm CKM3962WV-4P-3,96mm LD101, LED 6224-10ID-A,RED R142, R143, R152, R153, METAL OXIDE RESISTOR POWER SW PCBA REF NO. DESCRIPTION PVS ORDER Q'TY...
  • Page 26 PCBA POWER SUPPLY SMA500 AU513505502 REF NO. DESCRIPTION PVS ORDER Q'TY NUMBER CN302, 1P CONNECTOR WIRE L=100MM, UL1015#14, TS, B CN301, 1P CONNECTOR WIRE L=100MM, UL1015#14, TS, W WA106, 5P SOCKET CKM2501-WV-5P, 180°WHITE WA105C, WA105A, 4P CONNECTOR WIRE WA104A, WA104B, WA104C, WA104D, 5P SOCKET P=2,54mm CKM2503WV-5P-2,54mm WA301, 4P BASE P=3,96mm CKM3962WV-4P-3,96mm...
  • Page 27 REF NO. DESCRIPTION PVS ORDER Q'TY NUMBER U308, IC NJM7915FA U311, U310, U312, IC PC817CDIP-4 AU362520817 HEATSINK HEATSINK HEATSINK HW-750-1, AL HEATSINK CD+G, AL SCREW (TTS3x6B-HEAD BLACK) R321, R323, R326, CHIP RESISTOR 30KΩ, 1/8W, J, TP, 0805, 150V R322, CHIP RESISTOR 390KΩ, 1/8W, J, TP, 0805, 150V R324, CHIP RESISTOR 680KΩ, 1/8W, 0805, J, TP, 150V R357,...
  • Page 28 REF NO. DESCRIPTION PVS ORDER Q'TY NUMBER C314, CHIP CAPACITOR 0,47μF/50V, Z, 0805TAP, Y5V C329, S.C.CHIP CAP (470PF, 50V, J, NPO, 0805, TAP) C332, CHIP CAPACITOR (100pF/50V, J, 0805 TAP, NPO) C352, CHIP CAPACITOR (1000pF/50V, J, 0805 TAP, NPO C333, C372, C373, C374, C375, C376, C377, CHIP CAPACITOR (0,22uF/50V, Z, 0805 TAP, Y5V C317, CHIP CAPACITOR (0,1uF/100V, K, 1206 X7R)
  • Page 29 REF NO. DESCRIPTION PVS ORDER Q'TY NUMBER C366, ELEC.CAPACITOR (220uF/16V, M, 105°  , Q309, TRANSISTOR (NPNKTC3228YTO-92LTP) POWER IC & HEAT SINK ASS'Y THERMAL PROTECTOR SWITCH C LAMP(SUS0, 5t) TH301, TEMP SW (KSD-II-85  , AC250V/5A) AU490004085 Q307, Q308, IGBT (IRG4PC40WPBF, 40A/600V) AU474240440 MICA SHEET (22x18x0, 1t) SCREW (M3x14)
  • Page 30 AU513501500 AMPLIFIER SMA/SMQ 500 UPPER...
  • Page 31 AU513501500 AMPLIFIER SMA/SMQ 500 LOWER...
  • Page 32 AU513502132 PCBA DSP BOARD FOR SMA V1.25 UPPER...
  • Page 33 AU513502132 PCBA DSP BOARD FOR SMA V1.25 LOWER...
  • Page 34 AU513503102 PCBA XLR INPUT SMA SERIES UPPER...
  • Page 35 AU513503102 PCBA XLR INPUT SMA SERIES LOWER...
  • Page 36 AU513503112 PCBA TERM. BLOCK INPUT SMA SERIES UPPER...
  • Page 37 AU513503112 PCBA TERM. BLOCK INPUT SMA SERIES LOWER...
  • Page 38 AU513504202 PCBA OUTPUT (SET) FOR SMA SERIES UPPER...
  • Page 39 AU513504202 PCBA OUTPUT (SET) FOR SMA SERIES LOWER...
  • Page 40 AU513504202 PCBA OUTPUT (SET) FOR SMA SERIES UPPER...
  • Page 41 AU513504202 PCBA OUTPUT (SET) FOR SMA SERIES LOWER...
  • Page 42 AU513505502 PCBA POWER SUPPLY SMA500 UPPER...
  • Page 43 AU513505502 PCBA POWER SUPPLY SMA500 LOWER...
  • Page 44 REPAIR TIPS Issue description: SMPS breaks down due to overload. This failure can be due to two possible problems for the power supply. Both courses are explained and resolved in this document. Both can be found on the amplifier boards and have coursed the +/-15V to fail and leads to R336 over heating and burning the power supply PCB.
  • Page 45 Corrective action: Simply replacing this component will correct the problem, but not provide a long-term solution, to prevent this component becoming instable in the future, it is best to invert the feedback to a negative state. connect the output (1) with the – input (2) and the + input (3) to the ground.

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Sma500