Yamaha-DS60-spk-sm 维修电路原理图.pdf
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1、DS60-1121SERVICE MANUALGA01159820011001-39800 1.507K-844 Printed in Japan 2001.9HAMAMATSU, JAPANPOWERED SPEAKER CONTENTSSPECIFICATIONS. 3PANEL LAYOUT. 4BLOCK DIAGRAM. 4CIRCUIT BOARD LAYOUT. 5WIRING. 5DISASSEMBLY PROCEDURE. 6IC BLOCK DIAGRAM. 7CIRCUIT BOARDS. 8IDLING ADJUSTMENT. 10OVERALL CIRCUIT DIA
2、GRAMPARTS LISTThis document is printed on chlorine free (ECF) paper with soy ink.RadioFans.CN 收音机爱 好者资料库2IMPORTANT NOTICEThis manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumedthat basic service procedures inherent to the industry, an
3、d more specifically Yamaha Products, are already known and under-stood by the users, and have therefore not been restated.WARNING :Failure to follow appropriate service and safety procedures when servicing this product may result in per-sonal injury, destruction of expensive components and failure o
4、f the product to perform as specified. Forthese reasons, we advise all Yamaha product owners that all service required should be performed by anauthorized Yamaha Retailer or the appointed service representative.IMPORTANT :This presentation or sale of this manual to any individual or firm does not co
5、nstitute authorization certifi-cation, recognition of any applicable technical capabilities, or establish a principal-agent relationship ofany form.The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, andservice departments of Ya
6、maha are continually striving to improve Yamaha products. Modifications are, therefore, inevitableand changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear toexist, please contact the distributors Service Division.WARNING :Static disch
7、arges can destroy expensive components. Discharge any static electricity your body may haveaccumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect tothis bus.)IMPORTANT :Turn the unit OFF during disassembly and parts replacement. Recheck all work before you a
8、pply powerto the unit.WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (Whereapplicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and pos
9、siblyother entities) to cause cancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHATSO EVER!Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes
10、 or exposeeyes to solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handlingfood.WARNINGComponents having special characteristics are marked and must be replaced with parts having specification equal to thoseorigin
11、ally installed.IMPORTANT NOTICE FOR THE UNITED KINGDOMConnecting the Plug and CordWARNING: THIS APPARATUS MUST BE EARTHEDIMPORTANT. The wires in this mains lead are coloured inaccordance with the following code:GREEN-AND-YELLOW: EARTHBLUE: NEUTRALBROWN: LIVEAs the colours of the wires in the mains l
12、ead of this apparatus may notcorrespond with the coloured markings identifying the terminals in yourplug proceed as follows:The wire which is coloured GREEN-and-YELLOW must be connectedto the terminal in the plug which is marked by the letter E or by thesafety earth symbol or colored GREEN or GREEN-
13、and-YELLOW.The wire which is coloured BLUE must be connected to the terminalwhich is marked with the letter N or coloured BLACK.The wire which is coloured BROWN must be connected to the terminalwhich is marked with the letter L or coloured RED.RadioFans.CN 收音机爱 好者资料库DS60-1123SPECIFICATIONSOutput Pow
14、er60 WrmsSpeaker30 cm x 1 (Celestion SEVENTY 80)Controller/SwitchVOLUME, TREBLE, MIDDLE, BASS, EQ ON/OFF, POWERConnection JacksINPUT : Standard Phone Mono JackSLAVE OUT : Standard Phone Mono JackInput Level/ImpedanceINPUT : 0 dBm / 100 kOutput Level/ImpedanceSLAVE OUT : 0 dBm / 1 kPower Requirements
15、U.S. and Canadian models : 120 V, 60 HzGeneral model : 230 V, 50 HzPower Consumption70 WDimensions (W x H x D)513 x 491 x 291 mm (20.2” x 19.3” x 101.5”)Weight16.0 kg (35 lbs 4 oz)4PANEL LAYOUTControl Panelqwertyq INPUT Jack (INPUT)w Volume Control (VOLUME)e Equalizer Switch (EQ ON/OFF)r Equalizer C
16、ontrols (TREBLE, MIDDLE, BASS)t Expansion Output Jack (SLAVE OUT)y Power Switch & Lamp (POWER)BLOCK DIAGRAMMAININPUT31IC1 1/2IC1 1/2, IC2BASSMID TREBLEEQ OFF-ONVOLUMEMUTETR1, 2, 3SLAVEOUTPOWER AMPSPEAKERPOWERSWITCHAC INPUTPOWER SUPPLY CIRCUITACTIVE TYPETONE CONTROLDS60-1125WIRINGCIRCUIT BOARD LAYOUT
17、1/4MAIN1/4MAIN2/4MAIN2/4MAIN4/4MAIN4/4MAIN3/4MAIN3/4MAINW2W4W6CN3CN2CN1W1 W3W5 BT1BT26DISASSEMBLY PROCEDUREA.External fittings1.Handle assembly1-1.Remove the two (2) screws marked G60d andremove the handle.2.Corner metal fixture2-1.Remove the two (2) screws marked G50 andremove the corner metal fixt
18、ure. (Fig. 1)3.Leg3-1.Remove the one (1) screw marked G110 andremove the leg. (Fig. 1)G50: Oval Head Tapping Screw-1 3.5X16 MFN133 (V3833600)G60d: Oval Flat Head Screw 5.0X25 FNM3-2B (V3743700)G110: Truss Head Tapping Screw-1 4.0X20 MFZN2BL (O3747290)Fig.14.Amplifier Unit4-1.Remove the four (4) scre
19、ws marked 80 and four(4) angle washers marked 90 from the rear panel.(Fig. 2)4-2.Remove the four (4) screws marked 30 and four(4) angle washers marked 40 from the top panel.(fig. 2)5.Speaker5-1.Remove the four (4) screws marked 80 and four(4) angle washers marked 90 from the rear panel.(Fig. 2)5-2.R
20、emove the four (4) screws marked 70. Thespeaker can then be removed. (Fig. 2)Fig.230: Oval Head Screw 5.0X35 MFV2BL (V3749300)40: Washer 5S MFC2BL (EW300020)70: Hexagonal Nut 4.0 MFZN2Y (O3760900)80: Oval Head Tapping Screw-1 4.0X30 MFC2BL (V3749400)90: Washer 4S MFC2BL (VB890200)G110G50G60d80907030
21、40DS60-1127B.Amplifier Unit6.MAIN circuit board 1/46-1.Remove the amplifier unit (See Item 4 above.)6-2.Remove the four (4) screws marked 30, four (4) knobsof Rotary variable resisters, four (4) hexagonal nutsand one (1) each of INPUT and SLAVE OUT hexagonalnuts. The MAIN circuit board 1/4 can then
22、be removed.(Fig. 3)7.MAIN Circuit Boards 2/4, 3/4, 4/47-1.Remove the amplifier unit. (See Item 4 above.)7-2.Remove the one (1) screw marked 210 from eachcircuit board, which can then be removed. (Fig. 3)8.Power Transformer8-1.Remove the amplifier unit. (See Item 4 above.)8-2.Remove the four (4) scre
23、ws marked 190A. Thepower transformer can then be removed. (Fig. 3)9.Heat Sink9-1.Remove the amplifier unit. (See Item 4 above.)9-2.Remove MAIN circuit boards 2/4, 3/4 and 4/4.(See Item 7 above)9-3.Remove the three (3) screws marked 190B. Theheat sink can then be removed. (Fig. 3)Fig.330: Bind Head T
24、apping Screw-B 3.0X8 MFZN2BL (EP600190)190: Bind Head Tapping Screw-C 4.0X8 MFZN2BL (VC688900)210: Bind Head Screw SP3.0X12 MFZN2Y (VB763800)IC BLOCK DIAGRAMRC4558D-V (IG001390)IC1, IC2OP AMP1234-V+V8765Output ANon-InvertingInput A-DC Voltage Supply+DC VoltageSupplyOutput BInvertingInput BNon-Invert
25、ingInput BInvertingInput A+-+-190B303030190A190A30190B190B190A210210210Hexagonal nutINPUTSLAVE OUTKnobHexagonal nut1/4MAIN2/4MAIN3/4MAIN4/4MAIN8CIRCUIT BOARDS MAIN Circuit BoardINPUTEQON/OFFVOLUMETREBLEMIDDLEAA MAIN 1/4 MAIN 2/4Component sideDS60-1129MAIN: CNA-V755090SLAVE OUTPOWERON/OFFBASSAACompon
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