This is the 18 pages manual for ROLAND EP 20.
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ELECTRONIC MUSICAL INSTRUMENT
ROLAND PIANO
THE SECOND EDITION
Printed in Japan. 75. Oct.
E Roland Corporation
CONTENTS
1. SPECIFICATIONS ..........................................
2. GENERAL BLOCK DIAGRAM ................................;..
3. GENERAL SCHEMATIC DIAGRAM ...............................
4. MASTER GENERATOR CIRCUIT ................................
4-1. Circuit Diagram ......................................
4-2. Master Generator Board Assembly Parts Layout .........
5. DIVIDER CIRCUIT ..................L......................
5-1. Circuit Diagram ......................................
5-2. Divider Circuit Board Assembly Parts Layout ....l.....
6. GATE CIRCUIT
6-1. Circuit Diagram ........................;.............
6-2. Gate Circuit Board Assembly Parts Layout .............
7. VIBRATO CIRCUIT .........................................
7-1. Circuit Diagram ......................................
7-2. Vibrato Circuit Board Assembly Parts Layout ..........
8. TONE FILTER CIRCUIT .....................................
Sal. Circuit Diagram ......................................
8~2. Wave Forms and Voltages ..............................
8-3. Tone Filter Board Assembly Parts Layout ..............
9. POWER SUPPLY CIRCUIT ....................................
9-1; Circuit Diagram ......................................
9-2. Power Supply Board Assembly Parts Layout .............
10. PARTS LIST .......................a......................
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