Yamaha dg80 112 service manual

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yamaha dg80 112 service manual

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Page 1

DG80-112 2WARNING: CHEMICAL CONTENT NOTICE! The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other 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 WHAT SO EVER! Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food. LITHIUM BATTERY HANDLING This product uses a lithium battery for memory back-up. WARNING: Lithium batteries are dangerous because they can be exploded by improper handling. Observe the following precautions when handling or replacing lithium batteries. Leave lithium battery replacement to qualified service personnel. Always replace with batteries 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 attempt to recharge these batteries. Do not disassemble the batteries. Never heat batteries or throw them into fire. ADVARSEL!Lithiumbatteri-Eksplosionsfare ved fejlagtig håndtering. Udskiftning må kun ske med batteri af samme fabrikat og type. Levér det brugte batteri tilbage til leverandøren. VARNINGExplosionsfara vid felaktigt batteribyte. Använd samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren. Kassera använt batteri enligt fabrikantens instruktion. VAROITUSParisto voi räjähtää, jos se on virheellisesti asennettu. Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin. Hävitä käytetty 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 verwijderen van de backup batterij deze beschrijving. IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood 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 personal injury, destruction of expensive components and failure of the product to perform as specified. For these reasons, we advise all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the appointed service representative. IMPORTANT: This presentation or sale of this manual to any individual or firm does not constitute authorization, certification, recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form. The data provided is belived to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and service departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributor's Service Division. WARNING: Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss.) IMPORTANT: Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit. WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed.

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SPECIFICATIONS DG80-112 3 Digital Section Complete Digital Signal Processing Internal 8 Channel Preset Digital Reverb (SPRING, HALL, PLATE) Digital Tape Echo Speaker Simulator (LINE OUT) Analog Section 80 W (8 W) Solid State Power Amp 30 cm Speaker (Celestion G12H100) x 1 MIDI Function Receive :Program change, Control Change (No. 7, 91, 94), Bulk In Transmit :Bulk Out, Merge Out Controller/Switch Front Panel :TRIM, OUTPUT, GAIN, MASTER, TREBLE, HIGH MID, LOW MID, BASS (TIME), PRESENCE (FEED BACK), REVERB (LEVEL) Rear Panel :LINE OUT volume, EFFECT BLEND Switch :AMP SELECT (LEAD1, LEAD2, DRIVE1, DRIVE2, CRUNCH1, CRUNCH2, CLEAN1, CLEAN2), REVERB, MODE, , , STORE, RECALL Display AMP SELECT display LED x 8 MODE display LED x 3 REVERB type display x 3 7 segment LED x 2 digits Indicator Trim Level Display LED (Green) Trim Clip Display LED (Red)Connection Jacks INPUT HIGH/LOW: Standard Phone Mono Jack SPEAKER x2: Standard Phone Mono Jack EFFECT SEND/RETURN: Standard Phone Mono Jack LINE OUT: Cannon Jack MIDI IN, MIDI OUT: 5 pin DIN A/D Converter20 bit D/A Converter20 bit Sampling Frequency48 kHz Memory Number128 Input Level/Impedance INPUT HIGH: -30 dBm (THRU)/1 MW INPUT LOW: -20 dBm (THRU)/1 MW EFFECT RETURN: 0 dBm/120 kW Output Level/Impedance SPEAKER: 80 W RMS/8 W, 100 W RMS/4 W LINE OUT: +4 dBm/600 W EFFECT SEND: 0 dBm/2.2 kW Power Requirements U.S. and Canadian models : 120 V, 60 Hz General model : 230 V, 50 Hz Power Consumption100 W Dimensions (W x H x D)542 x 510 x 284 mm (21.3 x 20.1 x 11.2) Weight25.0 kg (55 lbs 2 oz)