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SERVICE MANUAL
| SPECIFICATIONS .................................................................... | 3 |
|---|---|
| PANEL LAYOUT........................................................................ | 4 |
| DISASSEMBLY PROCEDURE | ................................................. 5 |
| LSI PIN DESCRIPTION .......................................................... | 17 |
| IC BLOCK DIAGRAM.............................................................. | 20 |
| CIRCUIT BOARDS ................................................................. | 21 |
| INSPECTIONS........................................................................ | 38 |
| DATA BACKUP........................................................................ | 43 |
| MIDI IMPLEMENTATION CHART........................................... | 47 |
| MIDI DATA FORMAT............................................................... | 48 |
| PARTS LIST | |
| BLOCK DIAGRAM | |
| CIRCUIT BOARD LAYOUT & WIRING | |
| OVERALL CIRCUIT DIAGRAM |
Table Caption: This table appears to be a table of contents or index for a technical manual, listing various sections of a device's specifications, procedures, diagrams, and parts with corresponding page numbers.
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:
Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect to this bus.)
IMPORTANT:
Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to 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 (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.
IMPORTANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and Cord
IMPORTANT:
The wires in this mains lead are coloured in accordance with the following code:
BLUE
: NEUTRAL
BROWN : LIVE
As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured makings identifying the terminals in your plug proceed as follows:
The wire which is coloured BLUE must be connected to the terminal which is
