Alto-MS8MA_10MA_12MA-spk-sm 电路图 维修手册.pdf

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1、 Version 1.0 MODEL: MS8MA / MS10MA / MS12MA RadioFans.CN 收音机爱 好者资料库 1.Introduction.1 2.Specification.2 3.Block Diagram.3 4.Schematic Diagram.8 5.Wiring Diagram.16 6.PCB Layout.21 7.Exploded View & Mechanical Parts List.24 8.BOM.27 CONTENT RadioFans.CN 收音机爱 好者资料库 1 Thank you very much for expressing

2、your confidence inLTO products by purchasing MS series powered monitor speaker system. The MS series monitor are specifically designed for using in hi-quality performance site and the precise sound commercial place. It includes three small and compact stage monitor models (MS8MA, MS10MA, MS12MA) Thi

3、s series uses trapezium configuration which greatly decreases the resonance of the standing wave in the cabinet. These cabinets uses hi-density matrix spray-paint technics and the bottom bracket design which make mounting quickly and flexibly. HF compression driver and vented LF for fully profession

4、al performance. The MS powered monitor speaker cabinets include some exclusive innovations such as switch mode power supply and digital power circuitry (in selected modes) that make them the lightest powered cabinets of this kind ever made. The MS full range models include another Alto innovation: T

5、he MODELLER. Thanks to this circuitry user can select 16 different tastes and applications. MS powered Monitor speakerEnjoy yourand make sure to read this Manual carefully before operation! 1.INTRODUCTION RadioFans.CN 收音机爱 好者资料库 7. TECHNICAL SPECIFICATION Model Item Active System Type Output Power P

6、eak Power Max SPL 1mt Frequency Response Protection Low - High Input Impedance Input Sensitivity Low Frequency Device High Frequency Device Coverage( H x V ) Connectors Cabinet External Control Dimensions( H x W x D) Net Weight (lbs/kg) MS8MA Full Range with MODELLER 100 Watt 150 Watt EIAJ 114 dB SP

7、L Nominal/116 dB Peak MODELLER Presets Setting Analog Limiter 8 Dual Cone/1.5Voice Coil 1 Neodymium Driver/1 Voice Coil 70 H x 70 V Input with Combo/Link with XLR Trapezoidal Shape/Multi-layer Plywood/Handle/Black Paint Finishing MODELLER with 16 Presets/Line Volume/Clipping LED indicator /Ground Sw

8、itch 210 x 300 x 356 (mm) 16.98 lbs/7.7 kg 30 kBalanced/15 kUnbalanced Line +4 dB Model Item Active System Type Max SPL 1mt Frequency Response Protection Low - High Input Impedance Input Sensitivity Low Frequency Device High Frequency Device Coverage( H x V ) Connectors Cabinet External Control Dime

9、nsions( H x W x D) Net Weight (lbs/kg) MS10MA 2-way Bi-Amp. With MODELLER 350 Watt EIAJ 65 Watt EIAJ 120 dB SPL Calculated EIAJ MODELLER Presets Setting Analog Limiter 30 kBalanced/15 kUnbalanced 10 Coax/2 Voice Coil 1 Neodymium Driver/1 Voice Coil 70H x 70V Spherical Horn 22.75 lbs/10.32 kg 273 x 3

10、62 x 454 (mm) Input With Combo/Link With XLR Line +4 dB Trapezoidal Shape/Multi-layer Plywood/Handle/Black Paint Finishing MODELLER with 16 Preset/Line Volume/Clipping LED indicator /Ground Switch Model Item Active System Type Low Output Power High output Power Max SPL 1mt Frequency Response Protect

11、ion Low - High Input Impedance Input Sensitivity Low Frequency Device High Frequency Device Coverage( H x V ) Connectors Cabinet Dimensions( H x W x D) Net Weight (lbs / kg) External Control MS12MA 2-Way Bi-Amp. with MODELLER 350 Watt EIAJ 65 Watt EIAJ 121 dB SPL Calculated EIAJ MODELLER Presets Set

12、ting Analog Limiter 30 kBalanced/15 kUnbalanced 12 Coax/2 Voice Coil 1 Neodymium Driver/1 Voice Coil 70H x 70V Spherical Horn Input with Combo/Link with XLR MODELLER with 16 Presets/Line Volume/Clipping LED Indicator /Ground Switch 26.12 lbs/11.85 kg Line +4 dB 313 x 393 x 513 (mm) Trapezoidal Shape

13、/Multi-layer Plywood/Handle/Black Paint Finishing Low Output Power High output Power 2 1234 A B C D 4321 D C B A Titel Size File: Date: Drawn By: Sheet RevisionModel No: 16-DEC-2006 KAIMINGLIU MS10MA 1of MS10MA VER061216 A4 1 BLUE BLACK BLACK BROWN MS10MA BLOCK DIAGRAM K- panel combination MS10MA LO

14、W + _ HIGH + _ + _ + _ treble reverse connection 3 1234 A B C D 4321 D C B A Titel Size File: Date: Drawn By: Sheet RevisionModel No: 16-DEC-2006 KAIMINGLIU MS12MA 1of MS12MA VER061216 A4 1 HK BLUE BLACK BLACK BROWN MS12MA BLOCK DIAGRAM K- panel combination MS12MA LOW + _ HIGH + _ + _ + _ treble rev

15、erse connection 4 1234 A B C D 4321 D C B A HK08143 BLACK MS8MA BLOCK DIAGRAM K-panel combination MS8MA LOW + _ Titel Size File: Date: Drawn By: Sheet RevisionModel No: 16-DEC-2006 KAIMINGLIU MS8MA BLOCK DIAGRAM 1of MS8MA VER061216 A4 1 _ + 5 1234 A B C D 4321 D C B A BAL-MALE MIC2 PP SW2A POWER_CON

16、NECT +8V GND -8V SPEAKER BAL-FEMALE SW2B POWER AMP 1 2 3 4 5 6 X1 X2 X3 A MIC INPUT 5 6 4 3 1 2 T R S B LINE INPUT SIGNAL SENSEG SIGNAL LIMIT INPUT GAIN X1 X2 X3 GPOWER LED +8V MS8MA-PRE BLOCK SCH MS8MAVER070201 11 Titel Size Date File Model NO: A3 8-Feb-2007 MS8MA BLOCK.Sch Revision Sheetof Drawn B

17、yXiaoPingHuang 1 2 3 4 5 6 SW1 4BIT ENCODER +8V -8V 16-Channel AnalogueMultiplexer A0.A16 BRIDGE LM3886 RMS 100W LIMIT LED MS8MA BLOCK SCH(1/1) 6 1234 A B C D 4321 D C B A BAL-MALE MIC2 PP SW2A POWER_CONNECT +12V GND -12V SPEAKER BAL-FEMALE SW2B POWER MODEII HIGH IN LOW IN HIGH OUT 65W/4 LOW OUT 350

18、W/4 1 2 3 4 5 6 X1 X2 X3 A MIC INPUT 5 6 4 3 1 2 T R S B LINE INPUT SIGNAL SENSEGSIGNAL LIMIT INPUT GAIN X1 X2 X3 HIGH OUT LOW OUT XOVER GPOWER LED +12V MS10MA MS12MA BLOCK SCH MS10MA MS12MAVER061221 11 Titel Size Date File Model NO: A3 8-Feb-2007 MS10MA MS12MA BLOCK.Sch Revision Sheetof Drawn ByXia

19、oPingHuang 1 2 3 4 5 6 SW1 4BIT ENCODER +8V -8V 16-Channel Analogue Multiplexer A0.A16 MS10MA/MS12MA BLOCK SCH(1/1) 7 1234 A B C D 4321 D C B A MS10MA.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 15-DEC-2006 KAIMINGLIU MS10MA 1of MS10MA VER061215 A3 R1 10R/20W DS2 I2V 2.1A PTC1 0.5A/

20、60V P3 + P4 _ DRIVER (BLACK) + (BLUE) _ HI Hi O/P 1 PA-D588NH 8O OUT OF PHASE P1 + P2 _ WOOFER MS10MA 6.3O (BLACK) _ (BROWN) + MS10MA LOW 120W + _ AMP LPF HPF SIGNAL INPUT + _ 1 8 1234 A B C D 4321 D C B A MS12MA.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 15-DEC-2006 KAIMINGLIU MS1

21、2MA 1of MS12MA VER061215 A3 R1 10R/20W DS2 I2V 2.1A PTC1 0.5A/60V P3 + P4 _ DRIVER (BLACK) + (BLUE) _ HI Hi O/P 1 PA-D588NH 8O OUT OF PHASE P1 + P2 _ WOOFER MS12MA 6O (BLACK) _ (BROWN) + MS12MA LOW 150/300W + _ AMP LPF HPF SIGNAL INPUT + _ 1 9 12345678 A B C D 87654321 D C B A 2 1 3 4 MIC1 CN-BAL-MA

22、LE ZD3 12V1W ZD1 12V1W ZD4 12V1W ZD2 12V1W R1 15K R2 15K R5 7.5K R4 7.5K R6 2.2K C6 22P C3 22P C4 22P C5 22P C14 0.01uF/400V R16 10E 1 2 3 SW1A SW PS-22E85L 4 5 6 P SW1B SW PS-22E85L 1 2 3 VR1 B10K R8 10K R9 10K C12 47P R10 10K C13 47P R25 6K8 R24 6K8 C32 470u/25V SLL C33 470u/25V SLL C22 0.1u C23 0

23、.1u +8V -8V X1X2 X3 1 2 3 4 5 6 MIC2 XLR HIGH INPUT +4dB L1 FL5R L2 FL5R C7 47u/25V C8 47u/25V C9 47u/25V R15 4.7K R13 3.9K R12 6.8K C11 47u/25V B CE TR1 C1815 AK DL1 CLIP C1 0.22UF C2 0.22UF D2 1N4148 A A K K D1 1N4148 3 3 4 4 2 2 1 1 D3 LED-RES +8V C24 0.1u C25 0.1u C26 0.1u C27 0.1u C28 0.1u C29

24、0.1u C30 0.1u C31 0.1u NOCTH+LOW BOOST+LOW PASS NOCTH+LOW BOOST+LOW PASS HF TRIM+HIGH PASS HF TRIM+HIGH PASS R7 0R 1 2 3 48 + _ U1A 7 6 5 + _U1B 1 2 3 48 + _ U2A 1 2 3 48 + _ U3A 7 6 5 + _U3B 7 6 5 + _U2B +8V -8V +8V -8V +8V -8V D1001N4148 D1011N4148 C100 10uF/50V C101 2.2uF/50V C102 220uF/25V R103

25、100K R100 4.7K 1/4W R101 22K R102 2.2K 1/4W ZD1 NC Q100 2SA1015 +8V R104 100K R105 200R B 1 C 2 E 3 Q101 2SC2878 D102 1N4148 R106 200R B 1 C 2 E 3 Q102 2SC2878 D103 1N4148 LOW-OUT HIGH-OUT -8V +8V R107 3k 1 2 CN2 AK DL2 power ZD2 0R POWER ON/OFF MUTE MS10MA/MS12MA-PRE MS10MA/MS12MAVER061212 14 Titel

26、 Size Date File Model NO: A3 5-Feb-2007 MS12MA.sch Revision Sheetof Drawn ByXiaoPingHuang ENCODER ENCODER.SCH INPUT-ENCORDER MS10MA/MS12MA-PRE(1/4) +8V -8V 1 2 3 CN1 D304 1N4002 D305 1N4002 C317 220UF/25V C318 220UF/25V Vin 1 GND 2 +8V 3 U304 LM7808CT Vin 2 GND 1 -8V 3 U305 LM7908CT C315 0.1u C316 0

27、.1u A A K K D307 1N5817 D306 1N5817 C331 47UF/25V C319 0.1u cer C332 47UF/25V C320 0.1u cer R318 68R 1W R319 68R 1W +8V 150mA MAX -8V 150mA MAX 10 1234 A B C D 4321 D C B A OUTPUT-TO-LOW R31 100K R26 2K R28 2K R42 10K R58 7.5K R32 100K +8V -8V 7 6 5 + _U5B1 2 3 48 + _U5A R27 2K R40 10K C34 15NF C35

28、15NF -8V +8V R45 10K R46 10K 7 6 5 + _ U6B 1 2 3 48 + _ U7A 7 6 5 + _ U7B -8V +8V C44 3.3NF C45 3.3NF C46 3.3NF R47 10K R37 100K R62 100 R63 0R R68 NC 1 2 CN2 FROM A-SPACE OUTPUT LOW R43 10K R41 10K C37 22PFC36 22PF C51 0.1UF C52 0.1UF C49 0.1UF C50 0.1UF C53 0.1UF C54 0.1UF LOW-OUT MS10MA/MS12MA-PR

29、E MS10MA/MS12MAVER061212 24 Titel Size Date File Model NO: A3 5-Feb-2007 NOCTH+LOW BOOST+LOW PASS Revision Sheetof Drawn ByXiaoPingHuang MS10MA/MS12MA-PRE(2/4) 11 1234 A B C D 4321 D C B A R64 0R R50 10K R48 10K R52 10K R65 0R R70 22K R54 10K R55 10K 1 2 3 48 + _ U8A 7 6 5 + _U8B 1 2 3 48 + _ U9A7 6

30、 5 + _U9B 1 2 3 48 + _ U10A 7 6 5 + _ U10B R49 10K R38 100K C55 NC -8V +8V C47 3.3NF C48 3.3NF C41 22PF R56 10K -8V +8V R39 100K R66B NC R69 NC 1 2 CN3 HF TRIM+HIGH PASS OUTPUT-TO-LOW R51 10K R53 10K R72 20K R71 20K R57 10K R66A 100R C56 JUMP -12dB/OCT POWERMOD-HIGH-65W C58 0.1U C57 0.1U -8V +8V +8V

31、 C60 0.1U C59 0.1U -8V C62 0.1U C61 0.1U FROM MODELLER C39 22PF C40 22PF HIGH-OUT MS10MA/MS12MA-PRE MS10MA/MS12MAVER061212 34 Titel Size Date File Model NO: A3 5-Feb-2007 HF TRIM+HIGH PASS Revision Sheetof Drawn ByXiaoPingHuang OUTPUT-ENCORDER MS10MA/MS12MA-PRE(3/4) 12 12345678 A B C D 87654321 D C

32、B A MS10MA/MS12MA-PRE MS10MA/MS12MAVER061212 44 Titel Size Date File Model NO: A3 5-Feb-2007 ENCODER.SCH Revision Sheetof Drawn ByXiaoPingHuang C208 47u/25V INPUT-ENCORDER 1 2 3 4 5 6 SW200 288S0366 R2261K R2271K R2281K R2291K -8V C217 1.0U C218 1.0U C219 1.0U C220 1.0U C221 1.0U X0 13 X1 14 X2 15 X

33、3 12 X4 1 X5 5 X6 2 X7 4 INH 6 A 11 B 10 C 9 VEE 7 X 3 VCC 16 GND 8 U202 4051 X0 13 X1 14 X2 15 X3 12 X4 1 X5 5 X6 2 X7 4 INH 6 A 11 B 10 C 9 VEE 7 X 3 VCC 16 GND 8 U203 4051 +8V B B C C E E Q200 2SC2412 R220 10K C216 1.0U R22210K R22310K R22410K R22510K +8V R22110K -8V -8V A1 A2 A3 A4 A5 A6 A5 A6 A

34、6 A10 A11 A3 A13 A2 A15 A15 +8V +8V -8V-8V -8V -8V -8V R215 100K R216 0R R217 0R R234 0R R235 0R R233 100K C226 0.1u cer C227 0.1u cer C215 0.1u cer C214 0.1u cer R219 0R R236 0R C213 0.1u cer C225 0.1u cer C203 0.1u cer C202 0.1u cer 3 2 1 84 U200A 4580 C200 470nF R205 22.0K C20110nF R203 1.00K R20

35、2 100.0K R200 1.50K R207 1.00K R211 220.0K R210 1.00K R2121.00K C204 10NF 5 6 7 U200B 4580 +8V -8V C210 2.2U/25V C209 2.2U/25V TR203 J176 TR202 J176 C20710P R218 1M R230 1M R231 1M R232 1M +8V A A K K D200 DIODE D201DIODE A4 A2 A3 A5 A6 A11 A10 A13 A15 D202DIODE D203DIODE D204DIODE D205DIODE D206DIO

36、DE D207DIODE D208DIODE D209DIODE D210DIODE D211DIODE D212DIODE D213DIODE D214DIODE D215DIODE D216DIODE D217DIODE D218DIODE C22210U C22310U C22410U C22810U D219DIODE D220DIODE RC0805 R208 0R R206 0R C45,C46,C47,C48,C49,C50 LAYOUT R201 10KR204 50K HI PASS GAIN BASS BOOST GAIN C209 C210 CLICK NOISE HIG

37、H PASS CONTROL BASS BOOST CONTROL L=ON,H=OFF L=ON,H=OFF R209 10K C211 2.2U/25V TR200 J176 R213 10K C205 27nF C206 27nF C212 2.2U/25V TR201 J176 L=ON,H=OFF HI ENAHANCER GAIN HI ENAHANCER CONTROL LOW PASS CONTROL L=ON,H=OFF LOW PASS GAIN ENCODER SET1 ENCODER SET2 ENCODER SET3 ENCODER SET4 ENCODER SET5

38、 ENCODER SET6 ENCODER SET7 ENCODER SET8 ENCODER SET9 ENCODER SET10 ENCODER SET11 ENCODER SET12 ENCODER SET13 ENCODER SET14 ENCODER SET15 ENCODER SET16 ENCODER SET1:FULL RANGE ENCODER SET2:VOCAL 1 ENCODER SET3:VOCAL 2 ENCODER SET4:GUITAR 1 ENCODER SET5:GUITAR 2 ENCODER SET6:PIANO ENCODER SET7:DRUMFIL

39、L+SW ENCODER SET8:TWIN ENCODER SET9:STAGE ENCODER SET10:BOOM ENCODER SET11:SIDEFILL ENCODER SET12:ANTIFEEDBACK ENCODER SET13:LOUDNESS ENCODER SET14:FULL RANGE+SUB ENCODER SET15:ENTE RTAINER ENCODER SET16:ROCK&ROLL HI-PASS-CONTROLBASS-BOOST-CONTROL LOW-PASS-CONTROLHI-ENAHCER-CONTROL HI-PASS-CONTROL B

40、ASS-BOOST-CONTROL LOW-PASS-CONTROL HI-ENAHCER-CONTROL D221DIODE HI-PASS-CONTROL BASS-BOOST-CONTROL LOW-PASS-CONTROL HI-ENAHCER-CONTROL OUTPUT-ENCORDER MS10MA/MS12MA-PRE(4/4) C201B10nF 13 12345678 A B C D 87654321 D C B A 2 1 3 4 MIC1 CN-BAL-MALE ZD3 12V1W ZD1 12V1W ZD4 12V1W ZD2 12V1W R1 15K R2 15K

41、R4 7.5K R3 7.5K R5 2.2K C6 22P C3 22P C4 22P C5 22P C14 0.01uF/400V R15 10E 1 2 3 SW1A SW PS-22E85L 4 5 6 P SW1B SW PS-22E85L 1 2 3 VR1 D10K R8 10K R9 10K C12 47P R10 10K C13 47P R17 6K8 R16 6K8 +8V -8V C43 470u/25V SLL C44 470u/25V SLL C33 0.1u C34 0.1u +8V -8V X1X2 X3 1 2 3 4 5 6 MIC2 XLR HIGH INP

42、UT +4dB L1 FL5R L2 FL5R C7 47u/25V C8 47u/25V C9 47u/25V R13 4.7K R12 6.2K R11 6.8K C11 47u/25V B CE TR1 C1815 AK DL1 CLIP 1 2 3 CN3 C1 0.22u/25V C2 0.22u/25V A A K K D2 1N4148 A A K K D1 1N4148 3 3 4 4 2 2 1 1 D3 LED-RES +8V C35 0.1u C36 0.1u C37 0.1u C38 0.1u C39 0.1u C40 0.1u C41 0.1u C42 0.1u R7

43、 0R 1 2 3 48 + _ U1A 7 6 5 + _U1B 1 2 3 48 + _ U2A 1 2 3 48 + _ U3A 7 6 5 + _U3B 7 6 5 + _U2B +8V -8V +8V -8V +8V -8V +8V R14 1.6K 1 2 CN1 AK DL2 power MS8MA-PRE MS8MAVER070201 12 Titel Size Date File Model NO: A3 4-Feb-2007 MS8MA.sch Revision Sheetof Drawn ByXiaoPingHuang D4 1N4002 D5 1N4002 C17 22

44、0UF/25V C18 220UF/25V Vin 1 GND 2 +8V 3 U4 LM7808CT Vin 2 GND 1 -8V 3 U5 LM7908CT C15 0.1u C16 0.1u A A K K D7 1N5817 D6 1N5817 C31 47UF/25V C19 0.1u cer C32 47UF/25V C20 0.1u cer R18 470R 1W R19 470R 1W +8V 150mA MAX -8V 150mA MAX ENCORDER ENCORDER.SCH INPUT-ENCORDER MS8MA-PRE(1/2) 14 12345678 A B

45、C D 87654321 D C B A MS8MA-PRE MS8MAVER070201 22 Titel Size Date File Model NO: A3 4-Feb-2007 ENCORDER.SCH Revision Sheetof Drawn ByXiaoPingHuang C10 47u/25V R6 2.2K 1 2 CN2 INPUT-ENCORDER 1 2 3 4 5 6 SW2 288S0366 R521K R531K R541K R551K -8V C57 1.0U C58 1.0U C59 1.0U C60 1.0U C61 1.0U X0 13 X1 14 X

46、2 15 X3 12 X4 1 X5 5 X6 2 X7 4 INH 6 A 11 B 10 C 9 VEE 7 X 3 VCC 16 GND 8 U7 4051 X0 13 X1 14 X2 15 X3 12 X4 1 X5 5 X6 2 X7 4 INH 6 A 11 B 10 C 9 VEE 7 X 3 VCC 16 GND 8 U8 4051 +8V B B C C E E Q1 2SC2412 R46 10K C56 1.0U R4810K R4910K R5010K R5110K +8V R4710K -8V -8V A1 A2 A3 A4 A5 A6 A5 A6 A6 A10 A

47、11 A3 A13 A2 A15 A15 +8V +8V -8V-8V -8V -8V -8V R40 100K R33 0R R34 0R R36 0R R37 0R R41 100K C29 0.1u cer C30 0.1u cer C27 0.1u cer C26 0.1u cer R35 0R R38 0R C25 0.1u cer C28 0.1u cer C22 0.1u cer C21 0.1u cer 3 2 1 84 U6A 4580 C45 470nF R30 22.0K C4710nF R25 1.00K R24 100.0K R20 1.50K R26 1.00K R39 220.0K R27 1.00K R281.00K C48 10NF 5 6 7 U6B 4580 +8V -8V TR5 J176 TR4 J176 C51 10P R42 1M R43 1M R44