DISASSEMBLY
SERVICE NOTES
Issued by RES
First edition
SN00032
K6018369
Printed in Italy (AC00) (AD)
Copyright © 1999 by ROLAND CORPORATION
All rights reserved. No parts of this publication may be reproduced in any form whithout the written permission of ROLAND CORPORATION.
EP-77
Dec, 1999
1
SPECIFICATION
KEYBOARD
76 Weighted Keys with Touch-Sensitivity
KEYBOARD MODE
Whole, Layer
MAX. POLYPHONY
64 Voices
TONES
8 Tones with layer possibility
(Piano1, Piano2, E.Piano, Vibraphone, Harpsichord, Organ,
Strings, Choir ).
MASTER TUNING
Keys Tuning (0.1Hz Steps) 415.3Hz ~ 466.2Hz
TRANSPOSE
Key Transpose (-6 ~ +5 Semitone step)
EFFECTS
Reverb(On/Off)
Chorus (On/Off)
METRONOME
Beat: 0, 2, 3, 4, 6
Volume: 8 levels
Sounds: 3 types
TRACKS
1 Track
SONG
1 song
NOTE STORAGE
Approx. 5,000 notes
TEMPO
Quarter note = 40 ~ 208
RESOLUTION
96 ticks per quarter note
CONTROL
Play/Stop, Rec, Tempo
RATED POWER OUTPUT
5W x 2
SPEAKERS
12cm x 2
CONNECTORS
Output Jacks (L/Mono, R)
Input Jacks (L/Mono, R)
Pedal connector x 2 (Damper, Soft )
Headphone Jack x 2 (Stereo)
MIDI In Connector, MIDI Out Connector
POWER SUPPLY
ACO - 12V 1A AC-Adaptor
POWER CONSUMPTION
1000mA
DIMENSIONS
1138(W) x 339 (D) x 108 (H) mm (without music stand)
1144(W) x 370 (D) x 767 (H) mm (with music stand)
WEIGHTS
10,5 Kg. (without music stand)
19,4 Kg. (with music stand)
SUPPLIED ACCESSORIES
AC-Adaptor
Owner's Manual
Pedal Switch (DP 2)
(See Parts List on page 5-6)
OPTIONS
Music Stand KS-EP-77
TABLE OF CONTENTS
Page
SPECIFICATIONS
1
LOCATION OF CONTROLS
2
EXPLODED VIEW
3
KEYBOARD PARTS LIST
4
STAND EXPLODED VIEW KS-EP-77
4
PARTS LIST
5/6
BLOCK DIAGRAM
7
PHONES PCB ASSY & CIRCUIT DIAGRAM
8
JACK PCB ASSY
8
CIRCUIT DIAGRAM JACK PCB ASSY
9
BEAT & TEMPO PCB ASSY & CIRCUIT DIAGRAM
10
MAIN PCB ASSY
10
CIRCUIT DIAGRAM MAIN PCB ASSY
11
CONTROL PCB ASSY & CIRCUIT DIAGRAM
12
RIGHT CONTACT PCB ASSY w/RUBBER CONTACT & CIRCUIT DIAGRAM
13
LEFT CONTACT PCB ASSY w/RUBBER CONTACT & CIRCUIT DIAGRAM
13
TEST MODE
14/15
