Roland EP-70 User Manual

ep-70/90 Feb. 2000
4
BLOCK DIAGRAM
Speakers
Keyboard
Power
AMP
Input Jack
Volume
Output Jack
L/MONO R
Pedal Jack
Damper Soft
Tempo Beat
MIDI
DC Jack Power
Switch
In Out
L/MONO R
Phones Jack
Phones Board
Jack Board
Switch Board
B&T Board
Main Board
LED102---107 / SW101---115
(Stereo) (Stereo)
IC4
IC17
IC18IC19
IC16
T
PM0-10
SM0-10
IC6
IP
A/D Port
OP
DATA
IC7 IC3
LPF
D/A
Key Scan
IC9
IC10
ROM
IC14
SRAM
CPU
IC2
IC1
Mute
Mute
Reset
D. +5V
Mute
Control
IC5
IC6
A. +9V
Q7
PD
Control
PD
PD
Reset
AMP EQ
IC12
D
D
DD
DA
A
A
AA
D
A
WAVE
ROM
IC5,7
PS
RAM
ED
A
ED
EA
WD
WA
DATA BUS
ADDRESS BUS
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Roland EP-70 Specifications

General

Brand	Roland
Model	EP-70
Category	Musical Instrument
Language	English