ROLAND EP 77

Page 1

Dec, 1999

EP-77

e p '77 DIGITAL PIANO

SERVICE NOTES

First edition

Issued by RES

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 wIRUBBER CONTACT & CIRCUIT DIAGRAM 13
LEFT CONTACT PCB ASSY w/RUBBER CONTACT & CIRCUIT DIAGRAM 13
TEST MODE 14/15
@Roland SNOOO32 K6018369 Printed in Italy (ACOO) (AD) 1

SPECIFICATION

KEYBOARD
76 Weighted Keys with Touch-Sensitivity

KEYBOARD MODE
Whole, Layer

MAX. POLYPHON Y

64 Voices
TONES
8 Tones with layer possibility
(Piano1, Pian02, 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/0ft)

METRONOME
Beat: 0, 2, 3, 4, 6
Volume: 8 levels
Sounds: 3 types

SPEAKERS
120m X 2

CONNECTORS
Output Jacks (L/Mono, R)
Input Jacks (L/Mono, R)
Pedal connectorX 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(VIO 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)

TRACKS (See Parts List on page 5-6)
1 Tm" OPTIONS
SONG Music Stand KS-EP-77
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
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SELF TAP. SCREW 3,5x16 TCTCPRBZ cod. J2289131

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.