AUDAC SMA Series Service Manual Download Page 1

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SMA500

Service Manual

V1.0

www.audac.eu

Summary of Contents for SMA Series

Page 1: ...SMA500 Service Manual V1 0 www audac eu ...

Page 2: ...ies 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...

Page 3: ...3 Revision History Date Rev From Rev To Description 003 19 V1 0 Frist release ...

Page 4: ...BA 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 ...

Page 5: ...5 EXPLODED VIEW ...

Page 6: ... 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 ...

Page 7: ...INPUT PCB CN501 AU523501047 1 41 12P 1 0 FFC WIER L 50mm XLR JACK INPUT PCB WA101B TO EURO TER INPUT PCB WA101A 1 42 AC CORD L 1900mm 18AWG LP 34A H05VV FLS VDE 1 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 ...

Page 8: ... Input 1 Input 2 Input 3 Input 4 OFF ANALOGUE GAIN INPUT SELECT Level AMP TEMP CPU DSP VU READ RS232 Front USB ADC ADC ADC ADC ADC ADC FUNCTION Prot Clip 20dB Sig CH1 CH2 POWER ON SMA750 AUDAC 7 Band EQ Time Alignment Speaker Protection Speaker Presets Dynamic Bass Limiter Digital Audio Filters CHANNEL 1 CHANNEL 2 CHANNEL 3 CHANNEL 4 DAC ...

Page 9: ...PCB EURO TER INPUT PCB WA101A WA101B WA102A CN501 WA103B WA103B T102 T101 WA104 WA105 T102 T101 WA104 WA105 AMP1 PCB AMP2 PCB DC FAN P2 P101 P100 P3 P103 P1 CN601 POWER SW POWER LED PCB WA301 CN301 CN302 WA105C WA105A WA103 W101A W102A W201A W202A W101 W102 W201 W202 RED BLACK RED BLACK ...

Page 10: ...tio 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 Ω Stereo 2 x 500 W 8 Ω Bridge 1000 W 8 Ω Stereo 2 x 300 W Dimensions W x H x D 482 x 8...

Page 11: ...11 Personal Notes ...

Page 12: ...D 86V B 15V GND 15V 24V 3 3 T SEN SIG SIG GND CLIP SIG OUT GND PROTECTION TEMP PROTECTION 5V MUTE GND CLOCK 400KHz GND 150K 750 680uF 100V 680uF 100V 1 3 AU513501500 1 1 Title Number Revision Sheet of Drawn By DC SMA SMQ 500 Project PCBA AMPLIFIER UPPER ...

Page 13: ...INT0 RD0 72 OC2 RD1 76 OC3 RD2 77 OC4 RD3 78 PMENB PMWR OC5 CN13 RD4 81 PMRD PMWR PMRD CN14 RD5 82 PMD14 CN15 RD6 83 PMD15 CN16 RD7 84 IC1 RTCC RD8 68 IC2 SS1 RD9 69 IC3 SCKI PMCS2 PMA15 RD10 70 IC4 PMCS1 PMA14 RD11 71 PMD12 IC5 RD12 79 PMD13 CN19 RD13 80 CN20 U1CTS RD14 47 U1RTS BCLK1 CN21 RD15 48 PMD0 RE0 93 PMD1 RE1 94 PMD2 RE2 98 PMD3 RE3 99 PMD4 RE4 100 PMD5 RE5 3 PMD6 RE6 4 PMD7 RE7 5 INT1 R...

Page 14: ...GND CLIP_2_A PROT_2_A SIGNAL2_A TEMP_2_A GND GND OUT2 68K R104 2K8 R107 1N4148 D100 GND SIGNAL1_I 13K R112 2K2 R117 GND TEMP_1_I 68K R124 2K8 R128 1N4148 D104 GND SIGNAL2_I 13K R136 2K2 R138 GND TEMP_2_I 22pF C109 22pF C127 GND 5K1 R156 5K1 R151 10K R153 10K R154 8 1 4 3 2 LM833DG U103A 15V 15V 22pF C131 22pF C144 GND 5K1 R174 5K1 R164 10K R170 10K R172 8 4 7 5 6 LM833DG U103B 15V 15V 4 7µF 25V C1...

Page 15: ...15 CH1 CH1 GND CH2 CH2 GND GND GND 1 5 XLR INPUT AU513503102 TERM BLOCK INPUT AU513503112 Title Number Revision Sheet of Drawn By DC SMA SERIES Project INPUT 1 1 AU513503112 INPUT SMA SERIES ...

Page 16: ...16 1 5 AU513504202 Title Number Revision Sheet of Drawn By DC SMA Project OUTPUT SET FOR SMA SERIES 1 1 AU513504202 OUTPUT SET FOR SMA SERIES ...

Page 17: ... 15V GND 15V 3 3V TEM_SEN 24V 15V GND 15V 15V GND 15V GND 5V 86V B 86V B 12V 12V 12V 1800uF 200 1800uF 200 2700uF 100 2700uF 100 8A 250V 1 3 AU513505502 1 1 Title Number Revision Sheet of Drawn By DC SMA 500 Project PCBA POWER SUPPLY AU513505502 POWER SUPPLY SMA500 ...

Page 18: ...BOM 1 1 Title Number Revision Sheet of Drawn By DC SMA SMQ Project SCH PWER LED UPPER 1 3 AU442204000 1 1 Title Number Revision Sheet of Drawn By DC SMA SMQ Project PCBA SW SWITCH POWER LOWER POWER LED PCB POWER SW PCB ...

Page 19: ...IN TERMINAL 250 2 IC BRACKET 1 TH101 PTC THERMISTOR TKINKING PTMS2331RP716B 1 Q105 Q106 MOSFET RFB4227PbF 65A 200V TO 220AB IR AU474244227 2 MICA SHEET 1 SCREW TTS3x6 B HEAD BLACK 1 SCREW M3x14 1 HEATSINK ASS Y AL 58x15 5x62 1 R115 CHIP RESISTOR 9 1KΩ 1 8W F TP 0805 150V 1 R146 R147 R154 R155 CHIP RESISTOR 10KΩ 1 8W J TP 1206 150V 4 R118 RESISTOR 2KΩ 1 8W F TAPING 0805 150V 1 R172 CHIP RESISTOR 27...

Page 20: ... 2 C111 C114 C121 MLCC C4532X7R2E474KT 0 47µF 250V K 1812 3 C107 C117 C124 C126 CHIP CAPACITOR 1000pF 250V J 0805 TAPING 4 C108 C109 C148 C149 CHIP CAPACITOR 150pF 250V J 0805 TAPING 4 C160 CHIP CAPACITOR 0 01µF 50V K 0805 TAP X7R 1 C143 C144 CHIP CAPACITOR 4 7µF 25V K 0805 TAP X5R 2 C172 C173 CHIP CAPACITOR 0 1µF 100V K 1206 X7R 2 C130 CHIP CAPACITOR 0 1µF 100V K 0805 X7R 1 D101 D102 D107 D108 D1...

Page 21: ...8 1 C153 E C 10µF 50V M 105 Ž TAPING 5x11 Cd P 1 C152 C154 C155 C156 ELEC CAPACITOR 22µF 50V M 105 Ž TAPING 4 C123 C122 C125 ELEC CAPACITOR 47µF 50V M 105 Ž TAPING 3 C118 C145 C146 C119 ELEC CAPACITOR 22µF 25V M 105 Ž TAPING 4 C115 C116 C132 ELEC CAPACITOR 100µF 25V M 105 Ž TAPING 3 C136 C137 POLYESTER CAPACITOR 0 1µF 100V J TAPING 2 C129 ELEC CAPACITOR 330µF 35V M TAPING 1 C139 MAYLAR CAP 0 022µF...

Page 22: ...R113 R114 R117 R138 R140 R165 CHIP RESISTOR 2 2KΩ 1 8W F TP 0805 150 6 R116 R135 CHIP RESISTOR 1KΩ 1 8W SMD0805 F TP 2 R112 R136 CHIP RESITOR 13KΩ 1 8W F 0805 150V 2 R20 R21 R119 R122 R125 R144 R145 R146 R161 R169 CHIP RESISTOR 100Ω 1 8W F TP 0805 150 10 R173 CHIP RESISTOR 33Ω 1 8W 0805 J TP 150 1 R168 R10 CHIP RESISTOR 0Ω 1 8W 0805 J TP 150V 2 R147 R152 R157 R167 CHIP RESISTOR 33KΩ 1 8W F TP 0805...

Page 23: ...HIP CAPACITOR 0 22uF 50V K 0805 TAP X7R 2 D100 D104 SMD DIODE LL4148 AXIAL TYPE L 3 8mm AU330004148 2 D108 D109 SCHOTTKY BARRIER DIODE BAT754S SOT 23 2 L1 SMD POWER INDUCTOR 100uH K 0 48A7E06NB 10 1 L100 SMD INDUCTOR 47uH K 1210 TAPING TDK NL 1 L101 SMD INDUCTOR 1 2nH 0 3nH 0805 TAPIN 1 T102 T104 TRANSISTOR BC807 PNP SOT 23 2 T1 T2 T3 T4 T6 T100 T101 T103 T105 T106 T107 T113 T114 TRANSISTOR BC817 ...

Page 24: ...SMB 205A09FGTBB3 1 JK102 JK202 EURO TER PTB350S 06 03 3 P 3 5mm 2 SCREW TTS3 6 B HEAD BLACK 3 EURO TER INPUT PCBPCB 1 C105 C106 C205 C206 CHIP CAPACITOR 1000pF 50V J 0805 TAP NPO 4 L103 L104 L203 L204 SMD INDUCTOR FLMA201209 R22KT 0 22uH SMD 4 PCBA OUTPUT SET FOR SMA SERIES AU513504202 REF NO DESCRIPTION PVS ORDER NUMBER Q TY BRACKET L TYPE 2 EURO TER OUT PCB 1 W101 TO W101A W201 TO W201A 1P WIRE ...

Page 25: ... CKM2503WV 5P 2 54mm 1 WA105 4P BASE P 3 96mm CKM3962WV 4P 3 96mm 1 LD101 LED 6224 10ID A RED 1 R142 R143 R152 R153 METAL OXIDE RESISTOR 4 POWER SW PCBA REF NO DESCRIPTION PVS ORDER NUMBER Q TY WA103B 12P FFC CONNECTOR DIP 180 52806 1210 1 WA104 5P SOCKET P 2 54mm CKM2503WV 5P 2 54mm 1 WA105 4P BASE P 3 96mm CKM3962WV 4P 3 96mm 1 ...

Page 26: ...METALOXIDE RESISTOR 4 7Ω J 2W RADIAL 1 R360 METALOXIDE RESISTOR 10Ω J3WAXIAL74mm 1 C346 ELECTRIC CAPACITOR 1000µF 35V M 105 Ž 12 5x21 1 C351 ELECTRIC CAPACITOR 4 7µF 400V M 105 Ž 8x11 1 C320 PPS CAPACITOR 0 22µF 630V J PPS224J630AK 1 C307 C310 ELECTRIC CAPACITOR 1800µF 200V M 30mmx50 2 C343 C344 ELECTRIC CAPACITOR 2700µF 100V M 85 Ž 25 2 C311 C312 MEBBOX 47µF 250V K 18x13 5 x T6 x P15 2 C303 C306 ...

Page 27: ...5 J TP 150V 3 R376 R378 R377 R386 CHIP RESISTOR 22KΩ 1 8W 0805 J TP 150V 4 R355 R358 R391 R393 CHIP RESISTOR 4 7KΩ 1 8W 0805 J TP 150V 4 R333 R361 R390 CHIP RESISTOR 47KΩ 1 8W 0805 J TP 150V 3 R374 CHIP RESISTOR 8 2KΩ 1 8W 0805 J TP 150V 1 R371 CHIP RESISTOR 12KΩ 1 8W 0805 J TP 150V 1 R380 CHIP RESISTOR 220Ω 1 8W 0805 J TP150V 1 R313 R314 CHIP RESISTOR 10Ω 1 8W 0805 J TP 150V 2 R337 R338 R339 R340...

Page 28: ...ODE TFZGTR3 3B 1 ZD308 ZENER DIODE 13V MM1Z13 1 2W SOD 123 1 ZD303 CHIP ZENER DIODE MM1Z39 TAPING SOD 123 1 ZD306 ZENER DIODE ZMM5V6 1 2W SMD 1 Q304 Q306 PNP TRANSISTOR ZXTP25100BFH 2A 100V AU474242510 2 Q303 Q305 NPN TRANSISTOR ZXTN25100BFH 3A 100V 2 Q315 Q316 Q317 Q319 Q311 Q314 Q310 Q313 Q321 TRANSISTOR PMBS3904PBFREE AU471013904 9 Q320 TRANSISTOR PMBS3906PBFREE AU471013906 1 Q312 TRANSISTOR MM...

Page 29: ... SINK ASS Y 1 THERMAL PROTECTOR SWITCH C LAMP SUS0 5t 1 TH301 TEMP SW KSD II 85 Ž AC250V 5A AU490004085 1 Q307 Q308 IGBT IRG4PC40WPBF 40A 600V AU474240440 2 MICA SHEET 22x18x0 1t 2 SCREW M3x14 2 HEATSINK ASS Y 1 IC HEAT SINK ASS Y 1 IC BRACKET 2 D323 D324 D325 D326 POWER RECTIFIER FFPF10UP20S 10A 200V 4 SCREW M3x14 2 HEAT SINK ASS Y 1 ...

Page 30: ...30 AU513501500 AMPLIFIER SMA SMQ 500 UPPER 2 3 AU513501500 1 1 Title Number Revision Sheet of Drawn By DC SMA SMQ 500 Project PCBA AMPLIFIER UPPER ...

Page 31: ...31 AU513501500 AMPLIFIER SMA SMQ 500 LOWER 3 3 AU513501500 1 1 Title Number Revision Sheet of Drawn By DC SMA SMQ 500 Project PCBA AMPLIFIER LOWER ...

Page 32: ...32 AU513502132 PCBA DSP BOARD FOR SMA V1 25 UPPER 3 4 Ref product BOM 1 1 Title Number Revision Sheet of Drawn By DC SMA Project PCBA DSP BOARD FOR SMA V1 25 UPPER ...

Page 33: ...33 AU513502132 PCBA DSP BOARD FOR SMA V1 25 LOWER 4 4 Ref product BOM 1 1 Title Number Revision Sheet of Drawn By DC SMA Project PCBA DSP BOARD FOR SMA V1 25 LOWER ...

Page 34: ...34 AU513503102PCBA XLR INPUT SMA SERIES UPPER 2 5 AU513503102 SMA SERIES AU513503104 SMQ SERIES Title Number Revision Sheet of Drawn By DC SMA SMQ SERIES Project PCBA XLR INPUT UPPER 1 1 ...

Page 35: ...35 AU513503102PCBA XLR INPUT SMA SERIES LOWER 3 5 AU513503102 SMA SERIES AU513503104 SMQ SERIES Title Number Revision Sheet of Drawn By DC SMA SMQ SERIES Project PCBA XLR INPUT LOWER 1 1 ...

Page 36: ...36 AU513503112PCBA TERM BLOCK INPUT SMA SERIES UPPER 4 5 AU513503112 SMA SERIES AU513503114 SMQ SERIES Title Number Revision Sheet of Drawn By DC SMA SMQ SERIES Project PCBA TERM BLOCK INPUT UPPER 1 1 ...

Page 37: ...37 AU513503112PCBA TERM BLOCK INPUT SMA SERIES LOWER 5 5 AU513503112 SMA SERIES AU513503114 SMQ SERIES Title Number Revision Sheet of Drawn By DC SMA SMQ SERIES Project PCBA TERM BLOCK INPUT LOWER 1 1 ...

Page 38: ...38 AU513504202 PCBA OUTPUT SET FOR SMA SERIES UPPER 4 5 AU513504202 Title Number Revision Sheet of Drawn By DC SMA 350 Project OUTPUT Speakon FOR SMA SERIES LOWER 1 1 ...

Page 39: ...39 AU513504202 PCBA OUTPUT SET FOR SMA SERIES LOWER 5 5 AU513504202 Title Number Revision Sheet of Drawn By DC SMA 350 Project OUTPUT Speakon FOR SMA SERIES LOWER 1 1 ...

Page 40: ...40 AU513504202 PCBA OUTPUT SET FOR SMA SERIES UPPER 2 5 AU513504202 Title Number Revision Sheet of Drawn By DC SMA 350 Project OUTPUT TERM BLOCK FOR SMA SERIES UPPER 1 1 ...

Page 41: ...41 AU513504202 PCBA OUTPUT SET FOR SMA SERIES LOWER 3 5 AU513504202 Title Number Revision Sheet of Drawn By DC SMA 350 Project OUTPUT TERM BLOCK FOR SMA SERIES LOWER 1 1 ...

Page 42: ...42 AU513505502 PCBA POWER SUPPLY SMA500 UPPER 2 3 Title Number Revision Sheet of Drawn By DC SMA SMQ 750 Project PCBA POWER SUPPLY UPPER AU513505752 1 1 ...

Page 43: ...43 AU513505502 PCBA POWER SUPPLY SMA500 LOWER 3 3 Title Number Revision Sheet of Drawn By DC SMA SMQ 750 Project PCBA POWER SUPPLY LOWER AU513505752 1 1 ...

Page 44: ...44 4 7µF shown below These two capacitors need to be measured and replaced if needed found to be faulty ensure you measure these components on all amplifier board within the product The second possible course is due to IC100 LM833DG becoming unstable On the current Power Amp PCB the output 1 of op amp IC 100 LM 833 is feedback to the input 3 and the input 2 to the ground This can cause instability...

Page 45: ...e U turn between pin 1 3 and cut the track linking pin2 to ground below Connect Pin 1 2 together a simple solder link is all that is needed connect Pin 3 to ground see below Corrective action Test Clean the PCB and confirm the rework with a visual test Make sure there are no short circuits after soldering use ohm meter to confirm Remount the Power Amp PCB into the chassis and reconnect all wires c...

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AUDAC SMA Series, Service Manual

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