Roland RD-100 Service Notes

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7
11
RD-100
Feb, 1999
BLOCK DIAGRAM
31 2 31 2
L/M R
OUTPUT
PHONES 1
PHONES 2
321 321
LED+SW
MATRIX
OP
CONTROL BOARD
1
4
2
5
3
1
4
2
5
3
2431 7
MIDI INMIDI OUT
DAMP/SOFT
SWITCH
BRILLIANCEVOLUME
IP
MAIN BOARD
IC1
SRAM ROM
CPU
AAADD
ADDRESS BUS
DATA BUS
PS RAM
A
ED
EA
ED
AD
WA
WD
XP
A
D
WAVE ROM
IC10,IC11 IC18
IC3,IC4 IC2 IC19
D
R
L
IC1
SQLC
REF
OUTPUT BUFFER
PHOTOBUFFER
Q6
IC4
Q7
Q8
R
L
PHONES BUFFER
IC6
AA
AA
SQUELCH
CONTROL
Q1,Q2,Q3
RESET MUTING
IC2
IC3,Q4,Q5
JACK BOARD
IC16
+15V-15V
+5V
KEY SCAN
AD
D/A
DATA
LOUT
ROUT
I/V
LPF
TMKBK
IC9 IC15
IC7
KEYBOARD 88 KEYS
SWITCHING
SWM18N
POWER SUPPLY
1
2
AC INLET
POWER
SWITCH
PRIMARY BOARD

Roland RD-100 Specifications

General

Brand	Roland
Model	RD-100
Category	Musical Instrument
Language	English