Alto-MS153_MS154-spk-sm 电路图 维修手册.pdf

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1、RadioFans.CN 收音机爱 好者资料库 23 RadioFans.CN 收音机爱 好者资料库 1. INTRODUCTION Thank you very much for expressing your confidence in LTO products by purchasing MS series powered speaker system. The MS series cabinets are specifically designed for using in hi-quality performance site and the precise sound commer

2、cial place. It includes five full range cabinets (MS12A, MS15A, MS152A, MS153A, and MS154A).This 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 whi

3、ch make mounting quickly and Flexibly. HF compression driver and vented LF for fully professional performance. The MS powered 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 cabin

4、ets of this kind ever made. The MS full range models include another Alto innovation: The MODELLER. Thanks to this circuitry user can select 16 different tastes and applications. The Alto Modeller offers sound presets especially thought for application with or without subwoofer, for voice optimised

5、application, for Disco Music, for jazz, for Rock +15V R1073k 1 2 CN2 AK DL2 power ZD2 0R POWER ON/OFF MUTE MS153A/MS154A-PRE MS153A/MS154AVER070201 13 Titel Size Date File Model NO: A3 3-Mar-2007 MS153A MS154A-PRE.sch Revision Sheetof Drawn ByXiaoPingHuang R1083k LAYOUT MS153A/MS154A-PRE(1/3) 04_1 1

6、234 A B C D 4321 D C B A OUTPUT-TO-LOW R31 100K R26 2K R28 2K R42 10K R58 5.1K R32 100K +15V -15V 7 6 5 + _U5B1 2 3 48 + _U5A R27 5.1K R40 10K C34 15NF C35 15NF -15V +15V R45 10K R46 10K 7 6 5 + _ U6B 1 2 3 48 + _ U7A 7 6 5 + _ U7B -15V +15V C44 10NF C45 10NF C46 10NF R47 10K -15V +15V R37 100K R62

7、100 R63 0R R68 NC 1 2 CN2 FROM A-SPACE OUTPUT LOW R35 NC R29 0R R30 NC R44 NC R61 NC R36 0R 1 2 3 48 + _ U6A R59 0R R60 10K C42 JUMP C43 10NF R43 10K R41 10K R33B 10K R33A NC C37 22PF C38 NC C36 22PF C51 0.1UF C52 0.1UF C49 0.1UF C50 0.1UF C53 0.1UF C54 0.1UF SUB-OUT MS153A/MS154A-PRE MS153A/MS154AV

8、ER070201 23 Titel Size Date File Model NO: A3 3-Mar-2007 NOCTH+LOW BOOST+LOW PASS Revision Sheetof Drawn ByXiaoPingHuang -24dB/OCT MS153A:DIGMOD 1000,SUB 500W; MS154A:DIGMOD 1500,SUB 750W; MS153A/MS154A-PRE(2/3) 04_2 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

9、 10K 1 2 3 48 + _ U8A 7 6 5 + _U8B 1 2 3 48 + _ U9A7 6 5 + _U9B 1 2 3 48 + _ U10A 7 6 5 + _ U10B R49 10K R38 100K C55 330PF -15V +15V C47 47NF C48 47NF C41 NC R56 NC -15V +15V R39 10K R69 NC 1 2 CN3 HF TRIM+HIGH PASS INPUT OUTPUT-TO-LOW R51 10K R53 0R R72 20K R71 20KR57 10K R66A 100R C56 47NF -24dB/

10、OCT MS153A:DIGMOD 1000,MID+HIGH 500W; C58 0.1U C57 0.1U -15V +15V +15V C60 0.1U C59 0.1U -15V C62 0.1U C61 0.1U FROM MODELLER C39 22PF C40 22PF MID+HIGH-OUT MS153A/MS154-PRE MS153A/MS154AVER070201 33 Titel Size Date File Model NO: A3 3-Mar-2007 HF TRIM+HIGH PASS Revision Sheetof Drawn ByXiaoPingHuan

11、g C56B 47NF LAYOUT,C56B. MS154A:DIGMOD 1500,MID+HIGH 750W; MS153A/MS154A-PRE(3/3) 04_3 revise layout here, add C56B 1234 A B C D 4321 D C B A MS153A.Sch Titel Size File: Date: Drawn By: 1 RevisionModel No: 15-DEC-2006 KAIMINGLIU MS153A/MS154A_VER061214 1 of MS153A_V1.0 VER061215 A3 C3 2.2uF/250V MEA

12、 R11 39R/20W R12 18R/20W PTC1 0.5A/60V P7 + P8 _ DRIVER PA-DE34 (BLACK) + (BLUE) _ HI R5 8R2/20W R1 8R2/20WC1 10uF /250V PMF L1 1.8mH(R10*50mm) P5 + P6 _ MID SPEAKER 8 8O (BLACK) _ (RED) + MID R9 3R3/20W C2 4.7uF /250V PMF L3 0.35mH (AIR) L2 JUMP IN PHASE + _ R2 8R2/20W R4 8R2/20W R3 8R2/20W R6 39R/

13、20W R7 39R/20W R8 3R3/20W R10 39R/20W PTC2 0.5A/60V HPF f 1.2mm MS153A/MS154A_VER061214 1/1 04_4 1234 A B C D 4321 D C B A MS154A.SCH Titel Size File: Date: Drawn By: 1 RevisionModel No: 15-DEC-2006 KAIMINGLIU MS153A/MS154A_VER061214 1 of MS154A_V1.0 VER061215 A3 C3 3.3uF/250V MEA R11 39R/20W R12 18

14、R/20W PTC1 0.5A/60V P7 + P8 _ DRIVER PA-DE34 (BLACK) + (BLUE) _ HI Hi O/P R5 8R2/20W R1 8R2/20WC1 10uF /250V PMF L1 1.8mH(R10*50mm) P5 + P6 _ MID SPEAKER 8 8O (BLACK) _ (RED) + MID R9 3R3/20W C2 4.7uF /250V PMF L3 0.35mH (AIR) L2 IN PHASE + _ R2 8R2/20W R4 8R2/20W R3 8R2/20W R6 39R/20W R7 39R/20W R8

15、 3R3/20W R10 39R/20W PTC2 0.5A/60V HPF 0.4mH(AIR) f 1.2mm f 1.2mm C4 4.7uF /250V PMF R13 6R8/20W MS153A/MS154A_VER061214 1/1 04_5 Terminal connection K-frontpanelcombinatom Terminal connection Terminal connection Terminal connection Treblel connection Terminal connection Terminal connection Terminal connection Terminal connection Terminal connection Terminal connection K-frontpanelcombinatom Treblel connection Inductance 20_3 20_5 20_7