Yamaha-02R96-mix-sm(1) 维修电路原理图.pdf
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1、02R961SERVICE MANUALPA0116401.29K-6096 Printed in Japan 02.06HAMAMATSU, JAPAN CONTENTSSPECIFICATIONS. 4DIMENSIONS. 16PANEL LAYOUT. 17CIRCUIT BOARD LAYOUT. 30DISASSEMBLY PROCEDURE. 34INSTALLING I/O CARDS. 52LSI PIN DESCRIPTION. 53IC BLOCK DIAGRAM. 64CIRCUIT BOARDS. 71INSPECTIONS.134/144SERVICE CHECK
2、PROGRAM.154/164TEST PROGRAM.174/175USING BULK DUMP. 176CHECKING THE BATTERY. 177MIDI DATA FORMAT. 178MIDI IMPLEMENTATION CHART. 193PARTS LISTBLOCK DIAGRAMOVERALL CONNECTOR CIRCUIT DIAGRAMCIRCUIT DIAGRAMThis document is printed on chlorine free (ECF) paper with soy ink.DIGITAL MIXING CONSOLE/PEAK MET
3、ER BRIDGE/WOODEN SIDE PANELS/MB02R96/SP02R96RadioFans.CN 收音机爱 好者资料库02R962IMPORTANT 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, and more specifically Yamaha Produ
4、cts, 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 of the product to perform as spec
5、ified. 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 constitute authorization certifi-c
6、ation, 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 Yamaha are continually striving to
7、 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 discharges can destroy expensive comp
8、onents. 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 apply powerto the unit.WARNING: C
9、HEMICAL 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 possiblyother entities) to cause ca
10、ncer 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 or exposeeyes to solder/flux va
11、por!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 thoseoriginally installed.WARNING: THIS APP
12、ARATUS MUST BE EARTHEDIMPORTANTTHE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE: GREEN-AND-YELLOW : EARTH BLUE : NEUTRAL BROWN : LIVEAs the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals
13、in your plug, proceed as follows:The wire which is coloured GREEN and YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol or coloured GREEN and YELLOW.The wire which is coloured BLUE must be connected to the terminal which is marked with
14、 the letter N or coloured BLACK.The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.* This applies only to products distributed by YAMAHA KEMBLE MUSIC (U.K.) LTD.RadioFans.CN 收音机爱 好者资料库02R963LITHIUM BATTERY HANDLINGThis product uses a
15、lithium battery for memory back-up.WARNING :Lithium batteries are dangerous because they can be exploded by improper handling. Observe the following pre-cautions when handling or replacing lithium batteries.Leave lithium battery replacement to qualified service personnel.Always replace with batterie
16、s of the same type.When installing on the PC board by soldering, solder using the connection terminals provided on the battery cells.Never solder directly to the cells. Perform the soldering as quickly as possible.Never reverse the battery polarities when installing.Do not short the batteries.Do not
17、 attempt to recharge these batteries.Do not disasemble the batteries.Never heat batteries or throw them into fire.ADVARSEL!Lithiumbatteri-Eksplosionsfare ved fejlagtig handtering. Udskiftning ma kun ske med batteri af samme fabrikat og type. lever det brugtebatteri tilbage til leverandren.VARNINGExp
18、losionsfara vid felaktigt batteribyte.Anvand samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren.Kassera anvant batteri enligt fabrikantens instruktion.VAROITUSParisto voi rajahtaa, jos se on virheellisesti asennettu.Vaihda paristo ainoastaan laitevalmistajan suosittele
19、maan tyyppiiin.Havita kaytetty paristo valmistajan ohjeiden mukaisesti.The following information complies with Dutch official Gazette 1995. 45; ESSENTIALS OF ORDER ON THE COLLECTION OF BATTERIES. Please refer to the diassembly procedure for the removal of Back-up Battery. Leest u voor het verwijdere
20、n van de backup batterij deze beschrijving.Take care not to trap your fingers.02R964SPECIFICATIONS 02R96General SpecNumber of scene memories99Sampling FrequencyInternal44.1 kHz, 48 kHz, 88.2 kHz, 96 kHzExternalNormal rate: 44.1 kHz10% to 48 kHz+6%Double rate: 88.2 kHz10% to 96 kHz+6%Signal DelayLess
21、 than 2.0 ms CH INPUT to STEREO OUT (fs=48 kHz)Less than 1.1 ms CH INPUT to STEREO OUT (fs=96 kHz)Fader100 mm motorized with touch sense 25Fader Resolution+10 to 96, dB (256 steps/100 mm) input faders0 to 130, dB (256 steps/100 mm) master faders, stereo faderTotal Harmonic Distortion*1(CH INPUT to S
22、TEREO OUT)(Input Gain=Min.)fs=48 kHzLess than 0.05% 20 Hz to 20 kHz +14 dB into 600 Less than 0.01% 1 kHz +18 dB into 600 (fs=48 kHz) fs=96 kHzLess than 0.05% 20 Hz to 40 kHz +14 dB into 600 Less than 0.01% 1 kHz +18 dB into 600 Frequency Response(CH INPUT to STEREO OUT) 20 Hz20 kHz, 0.5, 1.5 dB +4
23、dB into 600 (fs=48 kHz) 20 Hz40 kHz, 0.5, 1.5 dB +4 dB into 600 (fs=96 kHz) Dynamic Range (maximum level to noise level)110 dB typ. DA Converter (STEREO OUT)105 dB typ. AD+DA (to STEREO OUT) fs=48 kHz105 dB typ. AD+DA (to STEREO OUT) fs=96 kHzHum & Noise*2(20 Hz20 kHz)Rs=150 Input Gain=Max.Input Pad
24、 =0 dB128 dB Equivalent Input Noise92 dB residual output noise. STEREO OUT (STEREO OUT off)92 dB (96 dB S/N) STEREO OUT (STEREO fader at nominal level and all CH INPUT faders at minimum level)64 dB (68 dB S/N) STEREO OUTPUT (STEREO fader at nominal level and one CH INPUT fader at nominal level)Maxim
25、um Voltage Gain74 dB CH INPUT (CH124) to STEREO OUT/OMNI (BUS) OUT74 dB CH INPUT (CH124) to OMNI (AUX) OUT (via pre input fader) 74 dB CH INPUT (CH124) to CONTROL ROOM MONITOR OUT (via STEREO bus)Crosstalk ( 1 kHz)Input Gain=Min.80 dB adjacent input channels (CH124)80 dB input to outputAD Input (116
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