AUDAC SMA Series Manuale utente

SMA500

Service Manual

V1.0

www.audac.eu

Service Manual

SMA500

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 & Training department [email protected]

This document and all information contained herein is the sole property of PVS (and/or its affiliated companies). No intellectual property rights are granted by the

delivery of this document or the disclosure of its content. This document shall not be reproduced by a third party without the express written consent of PVS (and/or the

appropriate affiliated company).

The SMA Series are dual channel (stereo) power amplifiers providing a new standard for affordable audio

amplification in both fixed and mobile audio installations. Their advanced features and availability in different

output powers for 350 Watt, 500 Watt and 750 Watt provide an enormous flexibility for numerous applications.

The WaveDynamics™ DSP processor in combination with the 2.5” LCD display gives an unmatched user expe-

rience with intuitive functions overview for easy configuration.

PVS reserves the right to change product specifications or this publication without notice.

The PVS Support & Training department maintains a continuous effort to improve the quality and usefulness of its

publications. To do this effectively, we encourage user feedback.

Please comment on the completeness, accuracy, organization, usability, and readability of this manual by an

e-mail to [email protected]

Revision History

Date Rev From Rev To Description

003/19 - V1.0 Frist release

Index

GENERAL OVERVIEW: 2

REVISION HISTORY 3

EXPLODED VIEW 5

EXPLODED VIEW PARTS LIST 6

BLOCK DIAGRAM 8

POINT TO POINT 9

TECHNICAL SPECIFICATIONS 10

PERSONAL NOTES 11

SCHEMATIC

AMPLIFIER 12

FRONT CPU 13

FRONT CODEC 14

INPUT 15

OUTPUT 16

POWER SUPPLY 17

POWER LED 18

POWER SW 18

BOM

PCBA AMPLIFIER SMA/SMQ 500 AU513501500 19

PCBA DSP BOARD FOR SMA V1.25 AU513502132 22

PCBA XLR INPUT SMA SERIES AU513503102 24

PCBA TERM. BLOCK INPUT SMA SERIES AU513503112 24

PCBA OUTPUT (SET) FOR SMA SERIES AU513504202 24

PCBA POWER LED 25

PCBA POWER SW 25

PCBA POWER SUPPLY SMA500 AU513505502

PCB VIEW

PCBA AMPLIFIER SMA/SMQ500 30

PCBA DSP BOARD FOR SMA V1.25 32

PCBA XLR INPUT SMA SERIES 34

PCBA TERM. BLOCK INPUT SMA SERIES 36

PCBA OUTPUT (SET) FOR SMA SERIES 38

PBCA POWER SUPPLY SMA500 42

EXPLODED VIEW

REF NO. DESCRIPTION AUDAC Part code Q'TY

BOX KIT 548X512X159MM 1

1 PLA POWER BUTTON KNOB AU061626004 1

2 PLA SQUARE BUTTON FOR PUSH KNOB AU063500012 2

3 PLA BIG KNOB MWX65/DW5066/WP523 AU065065102 1

4, 5 FRONT KIT (FILTER, 8XM4) SMA500 1

6 PCBA AMPLIFIER SMA/SMQ 500 AU513501500 2

7 PCBA DSP BOARD FOR SMA V1.25 AU513502132 1

8 SWITCH BRACKET 1

9 SW SWITCH POWER AU442204000 1

10 SUPPORT 1

11 FUSE HOLDER

FUSE (T8AH 250V) 1

FUSE (12A/250V) 1

FUSE (5,2*20mm.T16AH/250V) 1

12 AC INLET 1

13 POWER LED PCB ASS'Y 1

14 LED HOLDER 1

15 CONNECTOR WIRE(CON ASS'Y 1P UL1015 #18) 1

16 FAN DC 80x80x25MM 24VDC 0.17A AU352480170 1

17 PCBA XLR INPUT SMA SERIES AU513503102 1

18 PCBA TERM. BLOCK INPUT SMA SERIES AU513503112 1

19 RACK EAR 2

20 SIDE PANEL 2

21 FAN COVER 1

22 BOTTOM BASE ASS’Y 1

23 PULLEY WASHER 1

24 VFS COVER PLATES 1

25 EURO-TER OUT PCB ASS'Y 1

26 REAR KIT (7 SCREW) SMA350 1

27 TOP COVER 1

28 PCBA OUTPUT (SET) FOR SMA SERIES AU513504202 1

29 AIR GUIDE 1

30 SELF-LOCKING NUT 2

31 PCBA POWER SUPPLY SMA500 AU513505502 1

32 5P 2,5CONNECTOR WIRE(L=100mm,AWM2468

AWG26)

AMP PCB WA104 TO SMPS PCB WA104A,WA104B 2

33 5P 2,5CONNECTOR WIRE(L=200mm,AWM2468

AWG26)

SMPS PCB WA104C TO AMP PCB WA104 1

34 5P 2,5CONNECTOR WIRE(L=280mm,AWM2468

AWG26)

SMPS PCB WA104D TO AMP PCB WA104 1

35 12P 1,0 FFC CABLE(L=70mm,+/-) DSP PCB P201 TO AMP PCB WA103B 1

36 CAB 12P FFC P1.0 OPPOSITE SIDE 200-

210MM

DSP PCB P200 TO AMP PCB WA103B AU523501221 1

EXPLODE VIEW PART LIST

REF NO. DESCRIPTION AUDAC Part code Q'TY

37 CAB 12P FFC P1.0 OPPOSITE SIDE 200-

210MM

DSP PCB P101 TO AMP PCB WA103B AU523501221 1

38 12P 1,0B TYPE FFC WIRE(L=280mm) DSP PCB P100 TO AMP PCB WA103B 1

39 12P 1,0 FFC WIRE(12P*470mm*1,0A TYPE,+/+) DSP PCB P103 TO XLR JACK INPUT PCB WA102A 1

40 CAB 10P 28AWG 2* XH CON 470MM DSP PCB P2 TO EURO-TER INPUT PCB CN501 AU523501047 1

41 12P 1,0 FFC WIER(L=50mm) XLR JACK INPUT PCB WA101B TO EURO-TER

INPUT PCB WA101A

42 AC CORD(L-1900mm, 18AWG LP-34A H05VV-

FLS VDE)

43 BAR CODE LABEL SMA350 1

CON CBL 2P TERM. BLOCK 5.08MM GREEN AU710802021 2

CON CBL 3P TERM. BLOCK 3.81MM GREEN AU710804031 2

S1 SCREW(TTS ø3*8) 10

S2 SCREW(C-1018,B,M3) 2

S3 SCREW(TTS 4*4,0) 1

S4 SCREW(M4*10) 1

S5 SCREW(M3*8) 33

S6 SCREW(STB,4*8,TTS) 2

S7 SCREW(TTS4*6 B-HEAD BLACK) 31

S8 SCREW(BTB,3*5,ZB) 10

S9 SCREW(TTB 5*8) 4

S10 SCREW(TTS3*6 B-HEAD BLACK) 12

S11 SCREW(3*8mm TTB) 8

BLOCK DIAGRAM

7 Band

Time

Alignment Lockable

Speaker

Protection

Dynamic

Bass

Speaker

Presets

Energy

Limiter

Digital

Audio Filters

Energy

Input 1

Input 2

Input 3

Input 4

OFF

ANALOGUE

GAIN

INPUT SELECT

Level

AMP

TEMP

CPU

DSP

VU READ

RS232

Front

USB

ADC

FUNCTIONProt

Clip

-20dB

Sig

CH1 CH2

POWER

SMA750

AUDAC

7 Band

Time

Alignment

Speaker

Protection

Speaker

Presets

Dynamic

Bass

Limiter

Digital

Audio Filters

CHANNEL 1

CHANNEL 2

CHANNEL 3

CHANNEL 4

DAC

POINT TO POINT

XLR JACK INPUT PCB SPEAKCON OUT PCB

SMPSPCB

DSP PCB

EURO-TER OUT PCB

EURO-TER INPUT PCB

WA101A

WA101B WA102A

CN501

WA103B

T102

T101

WA104 WA105

T102

T101

WA104 WA105

AMP1 PCB

AMP2 PCB

DC FAN

P101

P100

P103

CN601

POWER SW

POWER LED PCB

WA301

CN301

CN302

WA105C WA105A

WA103

W101A W102A W201A W202A

W101 W102 W201 W202

RED BLACK RED BLACK

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 kΩbalanced

Connector XLR & 3-pin Euro Terminal Block (3.81 mm)

Outputs Connector Speakon & 2-pin Euro Terminal Block (5.08mm)

Common mode rejection ratio 70 dB

Damping factor > 200

Protection Amplifier DC Short circuit

Over heating

Over load

Signal limiting

Loudspeaker Power limiter

Access Password and USB key protection

Cooling Temperature controlled FAN

Operating temperature 0° ~ 40° @ 95% Humidity

Power Supply Switching mode

Source 230 ~ 240 V AC / 50 ~ 60 Hz

RMS Power @ 4 ΩStereo 2 x 500 W

@ 8 ΩBridge 1000 W

@ 8 ΩStereo 2 x 300 W

Dimensions (W x H x D) 482 x 88 x 420 mm

Weight 7.400 kg

Mounting 19”

Unit height 2 HE

Construction Steel

Colours Black

Packaging Cardboard box

Shipping weight & volume 10.400 kg - 0.046 Cbm

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