SERVICE NOTES
DISASSEMBLY
RD-100
Feb, 1999
1
Specifications
Keyboard . . . . . . . . . . . . . . . .88 keys
Keyboard action . . . . . . . . . .Hammer Action mechanism
Sound Source . . . . . . . . . . . .64 voices polyphonic
Tones . . . . . . . . . . . . . . . . . . .Piano1, Piano2, Harpsichord, Vibraphone, El. Piano1, El. Piano2, Pipe Organ, Strings, Honky Tonk* (*in
Dual mode)
Display . . . . . . . . . . . . . . . . . .7-segment LED / 3 characters
Digital effects . . . . . . . . . . . .Chorus (7 types), Reverb (7 types)
Tuning . . . . . . . . . . . . . . . . . .Equal Temperament, Pythagorean, Just (Major/minor), Mean Tone, Werckmeister, Kirnberger.
Stretch Tuning . . . . . . . . . . . .Two types
Key Touch . . . . . . . . . . . . . . .3 levels (Light/Medium/Heavy)
Key Transpose . . . . . . . . . . .-6~+5 semitones (Keyboard entry/button Entry)
Sequencer . . . . . . . . . . . . . . .2 Tracks (with Track Muting Function) Approx. 5.000 notes
Metronome . . . . . . . . . . . . . .0/4, 2/4, 3/4, 4/4, 5/4, 6/4, 7/4, 3/8, 6/8, 9/8, 12/8, adjustable volume (7 levels),adjustable tempo =20~250
Jacks . . . . . . . . . . . . . . . . . . .Headphone Jack x 2 (stereo), Output Jacks (stereo/mono), MIDI Connectors (In/Out), Pedal jack
Pedals . . . . . . . . . . . . . . . . . .Damper (Soft via special break-out cable, PEDAL jack is stereo)
Finish . . . . . . . . . . . . . . . . . . .Black stage look.
Power Consumption . . . . . . .8W (100V), 8W (117V), 8W (230V, 240V),
Dimensions . . . . . . . . . . . . . .1360 x 121 x 346 mm
Net Weight . . . . . . . . . . . . . . .24.0 kg
Accessories . . . . . . . . . . . . . .See page 6
Options . . . . . . . . . . . . . . . . .Music rest, MSC series MIDI cables, KC series keyboard amplifiers, RH series headphones,
. . . . . . . . . . . . . . . . . . . . . . . .KS series keyboard stand
TABLE OF CONTENTS Page
SPECIFICATIONS 1
LOCATION OF CONTROLS 2
EXPLODED VIEW 3
KEYBOARD PARTS LIST 4
PARTS LIST 5/6
BLOCK DIAGRAM 7
MAIN PCB ASSY 8
CIRCUIT DIAGRAM MAIN PCB ASSY 9
PRIMARY PCB ASSY & CIRCUIT DIAGRAM 10
CONTROL PCB ASSY 10
CIRCUIT DIAGRAM CONTROL PCB ASSY 11
JACK PCB ASSY 12
CIRCUIT DIAGRAM JACK PCB ASSY 13
RIGHT CONTACT PCB ASSY w/RUBBER CONTACT & CIRCUIT DIAGRAM 14
LEFT CONTACT PCB ASSY w/RUBBER CONTACT & CIRCUIT DIAGRAM 14
TEST MODE 15/16
SN00027 K6018346 Printed in Italy (AC00) (AD)
RD-100
digital piano
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.
First Edition
Issued by RES
SELFLOCK SCREW M4X10 TCTC TFR 9,5 COD. J2289221
Out
MIDI
In
Pedal
Output
AC
Power
1
Stereo
R
2
L(Mono)
PHONES
Transpose Chorus Reverb Split
Key Touch
Key Touch
Light
Light
Medium
Medium
Heavy
Heavy
Track
Piano 1 Piano2
Harpsi-
chord
Vibraphone
Electric
Piano 1
Electric
Piano 2
Pipe
Organ
Strings
Strings
Metronome
SongTempoBeat
All Song Play
12
Play Rec
DemoBeat
UserTempo
PART LIST
No.
Part No. Description
1
00671556 Slider Pot NNK-X10-B14
2
3
4
5
6
7
8
9
10
11
12
13
13429 258
00900178
13129160
J3449103
22485192
13449258
13449125
00900189
13449126
00239767
7700905000
0900145
00900156
Black Knob W/White Indicator
Power Switch SDDLB1 TV-5
Universal AC INLET On PCB
5P DIN Socket 2pz YKF51-5054
Jack (Stereo) HLJ4306-01-3080
Jack (Mono) HLJ0520-01-110
Jack (Mono) HLJ0520-01-010
Red Display Type LB-603VF
Silkscreened Plexiglass
4-Button Group W/Diff. (Black)
Black Single Button
Single Button+Diff.(Black)
Double Button+Diff.(Black)
54
4
5
55
6
6
66
10
1
9
7
2
11 12 13
14
Mellow
Min
Bright
Max
Brilliance
Volume
RD-100
3 3
8
14
2
RD-100
Feb, 1999
LOCATION OF CONTROLS
REAR VIEW
No
PART NAMES
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
K1168105
BLACK ADHESIVE FELT 25x1x1240 mm
88-KEY KEYBOARD ASSY TP/10 MDF
J2359105
7700910000
7699905000
7700908000
K2268148
7700906000
7700903000
7700902000
K1168105
7700909000
7699401000
K2248129
K2268121
7700904000
VARN.+SILK. TOP CABINET
RED FELT 1250x12x1,5 mm
PCB CONTROL
ANTIDUST COVER PL30N
RIGHT END-BLOCK
BORED RIGHT SIDE PANEL
MAIN BOARD ASSY
PRIMARY ASSY
K2458138
K2478258
K2198103
22208320
SWITC. POWER SUPPLY SWM18N
POWER SWITCH KNOB (BLACK)
MUSIC REST
MUSIC SCORE HOLDER
BORED LEFT SIDE PANEL
PRESSURE RUBBER SFF-018
JACK SOCKET ASSY
RIGHT END-BLOCK
PART NUMBERS
VARN+SILK.BOTTOM CABINET
A
E
D
SCREW M3x6
SCREW 2,9x10 TCTCPR TROP
SCREW 3,9x16
J2289193
J2289125
J2289213
SCREW
J2289221
J2289186
J2289108
J2139119
SCREW M4x10
SCREW 3,5x16
SCREW M3x10
MYLAR WASHER E.D.8 I.D.9,5
B
F
C
G
32225353GUIDE F/POT. COVER
J2289202
J2289102
SELF TAP SCREW 2,9x16 TC TC
H
I
SELF TAP SCREW 2,9x10 TC TC
PARTS LIST OF EXPLODED VIEW
3
RD-100
Feb, 1999
EXPLODED VIEW
1
2
3
7
10
11
14
9
16
17
18
20
19
12
13
8
4
5
6
B
B
B
B
B
D
A
A
A
C
F
F
E
A
G
G
I
H
15
4
RD-100
Feb, 1999
KEYBOARD PARTS LIST
88 KEY TP10MDF KEYBOARD ASSY code : 7699905000
RD-100
Feb, 1999
5
PARTS LIST RD-100 (117V/230V/230VE/240VA)
SAFETY PRECAUTIONS :
The parts marked have
safety-related characteristics.
Use only listed parts for
replacement.
When ordering any parts listed in the parts list,please specify the following items in the order sheet.
QTY PART NUMBER DESCRIPTION MODEL NUMBER
Ex. 10 22575241 Sharp Key C-20/50
15 2247017300 Knob (orange) DAC-15D
Failure to completely fill the above items with correct number and description will result in delayed or
even undelivered replacement.
CONSIDERATION ON PARTS ORDERING
CASING
# 7700904000 VARN.+SILKSCR. TOP CABINET RD-100
# 7700906000 VARN.+SILKSCR. BOTTOM CABINET RD-100
# 7700909000 RIGHT VARN. SIDE PANEL (MDF) RD-100
# 7700910000 LEFT VARN. SIDE PANEL (MDF) RD-100
K1168105 RIGHT END-BLOCK HP-136
# 7700905000 SILKSCR. PLEXIGLASS RD-100
KNOB BUTTON
K2478258 POWER SWITCH KNOB (BLACK)
00900156 2-BUTTON GROUP+DIFF(BLACK)SD2H
00900145 BUTTON W/DIFF. (BLACK) SD1H
00900178 4-BUTTON GROUP+DIFF(BLACK)SD4H
00900189 BUTTON SX1H (BLACK)
22485192 BLACK KNOB W/WHITE INDICATOR
32225353 GUIDE F/POT. COVER
SWITCH
1312975301 SWITCH EVQ-QSB 05K GR.160 All on CB
13129160 SWITCH SDDLB1-TV5 on PB
JACK, SOCKET
13449125 JACK SOCKET HLJ0520-01-110 JK1, JK2 on MB
13449126 JACK SOCKET HLJ0520-01-010 JK5, JK6 on MB
13449258 JACK SOCKET HLJ4306-01-3080 JK3 on MB
13429825 5P DIN SOCKET YKF51-5054 (2PCS) JK4 on MB
DISPLAY UNIT
00239767 DISPLAY TYPE LB-603VF (RED) LED20 on CB
KEYBOARD ASSY
7699905000 88-KEY KEYBOARD ASSY TP/10 MDF
NOTE : For details, refer to KEYBOARD PARTS LIST (Page 4)
POWER SUPPLY UNIT
NNoott ee K2458138 SWITCHING POWER SUPPLY SWM18N
NNoott ee : Replacement SWITCHING P.S.SWM18N should be made on a unit basis.
No replacements available for individual parts. Replacement only be a unit.
PCB ASSY
# 7700903000 MAIN PCB ASSY RD-100
7699401000 CONTROL PCB ASSY HP-330E
# 7700902000 JACK PCB ASSY RD-100
# 7700908000 PRIMARY PCB ASSY RD-100
7698903000 RIGHT CONTACT PCB ASSY W/RUBBER
7698904000 LEFT CONTACT PCB ASSY W/RUBBER
IC
00901867 I.C. HD6413003TF16 (CPU) IC1 on MB
00897078 I.C. TC170C200AF-005 (CUSTOM IC) IC2 on MB
K5258115 I.C. M5M44256BJ-70NS FLAT DRAM IC3, IC4 on MB
15199286 I.C. AN78L05M FLAT (REGULATOR) IC6 on MB
15289105 I.C. UPC 4570G (OP AMP) IC7, IC16 on MB
00129278 I.C. SSC1080 FOB (CUSTOM IC) IC9 on MB
J5259110 I.C. HM62256LFP-7T FLAT SRAM IC10, IC11 on MB
15249111 I.C. TC7WU04 F FLAT CMOS IC13 on MB
E
15249116 I.C. TC7W00F TE12L CMOS IC14 on MB
J5259112 I.C. PCM69AU DAC (RED LINE) IC15 on MB
# 7700907000 I.C. 28F400BV-B60 MASK ROM IC18 on MB
# 01561101 I.C. ROM LHMN5 KYR FLAT IC19 on MB
15169547RI I.C. 74 HC 08 DIP CMOS IC2 on CB
15169550RI I.C. 74 HC138 DIP CMOS IC3 on CB
15189250 I.C. M5218 AL (STANDING) IC4 on CB
15189210 I.C. BA 5218F (OP AMP) IC1, IC6 on JB
15219183 I.C. M51953 AL (STANDING) IC2, IC3 on JB
15229718RI I.C. 6N 137 PHOTO-COUP. IC4 on JB
15269214 I.C. 74LS05 FLAT TTL IC5 on JB
TRANSISTOR
15129136 TRANSISTOR 2SC-2878-A/B Q7, Q8 on JB
15319101 TRANSISTOR 2SC-2412 Q1, Q2, Q4, Q5 on JB
15309101 TRANSISTOR 2SA-1037KR Q3, Q6 on JB
15129164 TRANSISTOR DTC-114ES Q7 > Q14 on CB
15119163 TRANSISTOR RN2227 Q15 > Q21 on CB
DIODE
15019159RI DIODE 1N-4148 on CB; on RCB; on LCB
15339105 DIODE DAN-202K D1 > D6 on JB
15339114 DIODE RB420D T146 D1 on MB
J5029107 LED DIODE 3 SLR-37VR3F - RED All on CB
RESISTOR
J3919108 RESISTOR ARRAY EXB-V8V-103-JV RA12 > RA18 on MB
00126101 RESISTOR ARRAY EXB-V8V-221-JV RA7, RA8, RA9, RA10, RA11 on MB
00346690 RESISTOR ARRAY RCE9A-682-JA RA4, RA5, RA6 on MB
13819132RI UNINFL.RES. 100 OHM 0.6W 5% R1, R2, R43, R44, R46, R47 on JB
15399713 RESISTOR 1210 100 OHM 1/4 5% RA4, RA5, RA6 on MB
POTENTIOMETER
00671556 SLIDER POT. NNK-X10-B14 VR1, VR2 on CB
CAPACITOR
15359774 POLYEST.COND. 0805 680P 5% C12, C13 on MB
13649103J0 UNPOL.COND. 10U 16 P5 C1, C2, C25, C26 on JB
J3629103 ELECTRL.COND. 100U 25V P5 C3, C4, C17, C21, C22, C34, C35, C36 on JB
J3629147 ELECTR. COND. 220U 25V P.5 C33 on JB
J3629104 ELECTRL.COND. 10U 50V P5 C13 on JB
J3629150 ELECTR.COND. 47U 16V H.7 C1, C14, C15, C25, C26 on CB
13529104RI CAPACITOR DE1310E472MVA-KH C1 on PB
00908012 CAPACITOR 0.22F 5.5V C38 on MB
J5369103 ELECTR. COND. 100U 16V (SMD) C23 on MB
J5369104 ELECTR. COND. 10U 16V (SMD) C10, 11, 47, 50, 51, 54, 56, 70, 72, 78, 79,
C85 on MB
J5369102 ELECTR.COND. 47U 16V (SMD) C58, C59 on MB
INDUCTOR, COIL, FILTER
<<EMI>> 12449370 NOISE SUP. SBT-0160W L1, 2, 4, 5, 6 on JB
<<EMI>> 12449326 NOISE SUP. SBT-0460 L3, L7 on JB
<<EMI>> 12449380 NOISE SUP. EXC-ELDR25V L11 on JB
<<EMI>> 12449358 NOISE SUP. FL5R200N PNT L9, 10, 12, 13 on JB
<<EMI>> 12449392 NOISE SUP. SNT-D30 L8, L14 on JB
CRYSTAL, RESONATOR
00894034 QUARTZ 16,000 MHZ MA-406 X2 on MB
00901912 QUARTZ 24,576 MHZ MA-406 X1 on MB
CONNECTOR
13369689RI 20P FEM. CONNECTOR AMP 1.27 CN1, CN2 on MB / CN1 on RCB/CN1 on LCB
J3439113 7P MALE CONNECTOR P 2.5 M CN3 on JB
J3439120 4P MALE CONNECTOR P.2 M CN2 on RCB, CN2 on LCB
J3439122 8P MALE CONNECTOR P.2 M CN5 on CB, CN4 on JB
J3439125 5P MALE CONNECTOR P.2 M CN6 on MB /CN3 on CB
J3439141 10P MALE CONNECTOR P.2 M CN5, CN7 on MB / CN4 on CB, CN5 on JB
J3439148 7P MALE CONNECTOR P.2 M CN4 on MB / CN1 on JB
13439611RI 3P SCREW CLAMP P10 CN1 on PB
WIRING, CABLE
7698907000 4P CABLE ASSY (6 2C P.2 From CN2 on RCB to CN2 on LCB
7700118000 5P CABLE ASSY (44) 2C P.2 From CN6 on MB to CN3 on CB
MB = MAIN PCB ASSY
CB = CONTROL PCB ASSY
JB = JACK PCB ASSY
PB = PRIMARY PCB ASSY
RCB = RIGHT CONTACT PCB ASSY W/RUBBER
LCB = LEFT CONTACT PCB ASSY W/RUBBER
NOTE:
# The parts marked " # '' are new (Initial Parts).
The parts marked have Safety - Related characteristics.
Use only listed parts for replacement.
<< EMI >> Component for EMC.
NNoott ee :: Replacement should be made on a unit basis. No replacements available for individual parts.
Replacement only be a unit.
RD-100
Feb, 1999
6
7699408000 7P CABLE ASSY (38) 2C P.2 From CN4 on MB to CN1 on JB
7697239001 7P CABLE ASSY (16) 2C P 2.5 D/R From CN2 on Switching B. to CN3 on JB
7700115000 8P CABLE ASSY (40) 2C P.2 From CN5 on CB to CN4 on JB
7699413000 10P CABLE ASSY (12) 2C P.2 From CN7 on MB to CN5 on JB
7699418000 10P CABLE ASSY (38) 2C P.2 From CN5 on MB to CN4 on JB
K3468178 20P FLAT CABLE (44) 2C/D From CN2 on MB to CN1 on RCB
K3468185 20P CABLE ASSY (24) 2C From CN1 on MB to CN1 on LCB
AC INLET
J3449103 UNIVERSAL AC INLET
SCREW
J2289102 SELF TAP.SCREW 2.9X10 TC TC
J2289108 SELF LOCK.SCREW M3X10 TCTC H.6
J2289113 NUT 3MA H.3
J2289186 SCREW 3.5X16 TCPR TFR H.8 BRUN
J2289193 SELF LOCK.SCREW M3X6 TC TC H.6
J2289202 SELF TAP.SCREW 2.9X16 C C
J2289213 SELF TAP.SCREW 3.9X16 TC TC
# J2289221 SELF LOCK.SCREW M4X10 TC TC TFR 9.5
# J2289222 NUT 10MA TH.8
PACKING
# K2638211 RIGHT LDPE PROTECTION RD-100
# K2638212 LEFT LDPE PROTECTION RD-100
# K2638213 CENTRAL LDPE PROTECTION RD-100
# K2638214 LDPE PROTECTION F/PEDAL RD-100
K2678119 CARTENE ENVELOPE HD CM.170X56
# K2618207 OUTER PACKING RD-100
MISCELLANEOUS
J2139119 MYLAR WASHER E.D.8 I.D.4
K2168102 SPACER FOR LED H.2.8 D.E. 5.5
K2168109 SPACER FOR LED H.10 - D.E. 5.5
K2168112 LED SPACER H. 4.5 MAX 9 MM
J2359105 PRESSURE RUBBER SFF-018
K2268121 RED FELT MM 1250X12X1.5
K2248129 ANTIDUST COVER PL30N
K2268148 ADHESIVE BLACK FELT 25X1X1240
# K253810302 FUSE WARNING LABEL
ACCESSORIES
J3439150 MAINS CABLE H05VV+POL.SOCKET (230V)
J3439128 CABLE 498/3SJT 2X18 AWG-C17 (117V)
13499152RI CABLE BS/13/H05VV-F3G0.75-V (230VE)
J3439167 MAINS CABLE SAA/2-H05VV5 2X1-C17 (240VA)
# K6018342 O.MANUAL (E/D/F/I/SP/DUTCH) RD-100
J3059103 PEDAL W/CABLE
Note : Replacement should be made on a unit basis. No replacements available for individual parts.
Replacement only be a unit.
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
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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
425
3 1
425
3
2431 7
MIDI INMIDI OUT
DAMP/SOFT
SWITCH
BRILLIANCEVOLUME
IP
MAIN BOARD
IC1
SRAM ROM
CPU
AAADD
ADDRESS BUS
DATABUS
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
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
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8
11
RD-100
Feb, 1999
MAIN PCB ASSY ASSY 7700903000
E
View from component side View from solder side
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
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9
11
RD-100
Feb, 1999
CIRCUIT DIAGRAM (MAIN PCB ASSY)
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
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10
11
RD-100
Feb, 1999
PRIMARY PCB ASSY & CIRCUIT DIAGRAM
ASSY 7700908000
CONTROL PCB ASSY ASSY 7699401000
View from component side
View from component side
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
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11
11
RD-100
Feb, 1999
CIRCUIT DIAGRAM (CONTROL PCB ASSY)
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
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12
11
RD-100
Feb, 1999
JACK PCB ASSY ASSY 7700902000
View from component side
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
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13
11
RD-100
Feb, 1999
CIRCUIT DIAGRAM (JACK PCB ASSY)
DAMP
R33
1Ks
R34
22Ks
1
2
4
3
L6
SBT0160W
C31
1nF
5% P.5
ref5V
1
2
D2
DAN202
1
2
D3
DAN202
DAMP/SOFT SWITCH
PHONES 1
PHONES 2
2
4
3
1
7
JK3
HLJ4306-01-3080
C23
560pFs
5% np0
C24
560pFs
5% np0
L9
FL5R200N
L10
FL5R200N
3
2
1
JK5
HLJ052001010
R43
100I
0.5W
R44
100I
0.5W
L8
SNT-D30
R46
100I
0.5W
L12
FL5R200N
3
2
1
JK6
HLJ052001010
L13
FL5R200N
L14
SNT-D30
C37
560pFs
5% np0
C38
560pFs
5% np0
R47
100I
0.5W
L
R
C21
100uF25
C22
100uF25
6
5
7
IC6B
BA5218F
FLAT
2
3
1
84
IC6A
BA5218F
FLAT
R41
27KS
R42
27KS
C27
0.1S
C28
0.1S
C29 100pFS 5% np0
C30 100pFS 5% np0
VCC
R39
27KS
R40
27KS
RET_R
RET_L
To Main Board
Cn7
From Power Supply B.
5VD
5VD
DGND
DGND
-12V
12V
R_DAC
AGND
L_DAC
SEND_L
AGND
SEND_R
12V
-12V
RET_L
AGND
RET_R
XRES
3
4
5
6
7
8
2
1
CN4
53014-0810
3
4
5
6
7
8
2
1
9
10
CN5
53014-1010
V- V
L
R
C1
10uF16BP
C2
10uF16BP
R3 1Ks
R4 1Ks
R5
1Ks
R6
1Ks
R9
220Ks
R10
100KS
R16
27KS
2
3
1
84
IC1A
BA5218F
FLAT
R17
27KS
C11
0.1S
C12
0.1S
6
5
7
IC1B
BA5218F
FLAT
C19
100pFS
5% np0
C20
100pFS
5% np0
C25
10uF16BP
R37
100KS
C26
10uF16BP
3
1
2
Q7
2SC2878
3
1
2
Q8
2SC2878
R19
10KS
R20
10KS
V-
V
-VCC
-VCC
R
L/M
OUTPUT
IN
MIDI
L3=L4=L5=SBT0160W
3
1
2
JK1
HLJ052001110
3
1
2
JK2
HLJ052001110
1
2
4
3
L1
SBT0160W
1
2
4
3
L2
SBT0160W
R7
680s
R8 680s
L7
SBT0460
2
1
3
4
5
6
JK4
YKF51-5054
SOFT
NC
1
LA
2
LC
3
NC
4
GND
5
OUT
6
EN
7
VCC
8
IC4
6N137
R25
220s
R26
220s
R29
1Ks
C15
0.1s
1
2
4
3
L4
1
2
4
3
L5
R35
22Ks
R36
1Ks
C32
1nF
5% P.5
5VC
ref5V
1
2
D1
DAN202
1
2D4
DAN202
1
2
D5
DAN202
XRST
R27
22Ks
R28
22Ks
2
1
3
Q6
2SA1037
C16
0.1s
13
12
IC5F
74LS05
flat
3
4
IC5B
74LS05
flat
R32
220s
R30
4K7s
R31
22Ks
1
2
1
4
7
IC5A
74LS05
flat
R45
22Ks
5VC
5VC
5VC
5VC
5VC
OUT
L3
SBT0460
C14
0.1s
5
6
IC5C
74LS05
flat
9
8
IC5D
74LS05
flat
11
10
IC5E
74LS05
flat
C8
0.1S
FIX1
R13
47KS
R12
220KS
2
13
Q3
2SA1037
12
D6
DAN202
XRST
-15V
AGND
+5V
+5V
DGND
+15V
DGND
R18
1Ks
NC
2
GND
3
RES
5
CAP
4
VCC
1
IC2
M51953A
TP7
SW1
NC
C34
100uF16
C35
100uF16
3
4
2
1
5
6
7
CN3
5045_07A
TP8
C3
100uF16
C4
100uF16
C36
100uF16
R2
100I
0.5W
R1
100I
0.5W
VCC
5VC
VCC-VCC 5VC
L11
EXCELDR25V
NIU
RESET
MUTE
R14
47KS
R21
1Ks
NC
2
GND
3
RES
5
CAP
4
VCC
1
IC3
M51953A
TP9
TP10
R23
100KS
R24
100KS
C18
220nF
5%
C13
10uF16
2
1
3
Q4
2SC2412
R22
47KS
2
1
3
Q5
2SC2412
5VC
5VC
2
1
3
Q1
2SC2412
2
1
3
Q2
2SC2412
R11
100KS
FIX2
C33
220uF16
R15
47KS
TP1
TP2
TP3
TP4
TP5
TP6
C5
0.1S
C6
0.1S
C7
0.1S
C9
0.1S
C10
0.1S
M_IN
REFGND
SOFT
SOST
DAMP
REF+5
SOFT
SOST
DAMP
From Main B.
Cn4
M_IN
M_OUT
SOFT
DAMP
M_OUT
C17
100uF16
3
4
2
1
5
6
7
CN1
53014-0710
ref5V
To Control Board
Cn5
R49
100K
C40
47uF25
R48
100K
C39
47uF25
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
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14
11
RD-100
Feb, 1999
CIRCUIT DIAGRAM
(LEFT CONT.PCB ASSY)
CIRCUIT DIAGRAM
(RIGHT CONT.PCB ASSY)
View from component side
View from component side
LEFT CONTACT PCB ASSY w/RUBBER ASSY 7698904000
RIGHT CONTACT PCB ASSY w/RUBBER ASSY 7698903000
RD-100
Feb, 1999
TEST MODE
Necessary elements: Nr. 1 - Midi Cable
Nr. 1 - 2-note Pedal
How to enter the Test Mode:
After turning on the instrument, press the "Transpose", the "Play" and the "Track 2" buttons simultaneously.
The 7-seg display will show:
RD-100 will automatically enter the Test Mode.
1 : How to display the DEVICE CHECK and the ROM VERSION.
After entering the Test Mode, the CPU automatically carries out the DEVICE CHECK. If there is no malfunction, the 7-seg LCD shows the ROM version:
In the event of a malfunction, one of the following messages is displayed:
ROM
SRAM
WAVE ROM
DRAM
When a malfunction is found out, the LCD shows the ROM version if the "Piano 1" button is pressed.
How to select the next check
Press the " Transpose" button and go on with the next step.
NOTE: Don't play on the keyboard while you're in Test Mode.
If there is any malfunction, press the "Transpose" button more than once until the following message is
displayed:
To start the testing procedure again, press the "Transpose" button.
JIG
E04
E03
E02
E01
1.0.5.
JIG
2 : Button and LED check
Press the "Transpose" button and the 7-seg LCD will show:
All the LEDs on the control panel are lit; if you press any button, you'll hear a piano sound and the corresponding LED will alternatively turn off. When you press a button without LED, the following LED or 7-seg LED will
correspondingly turn off as shown below:
Button Corresponding Led
Key Touch ð Light , Medium , Heavy
Beat + ð Demo
Beat - ð Beat
Tempo + ð User
Tempo - ð Tempo
Song + ð Display
Song - ð Display
Note: Unless this button check is performed on all buttons, you cannot proceed to the next stage.
3: Effect check
Press the "Transpose" button and the 7-seg LED display shows:
Some LEDs of the buttons on the control panel are flashing; if you press the following buttons, you'll hear the
corresponding sounds indicated below:
Button Sound signal
Piano 1 ð Direct sound of Piano 1
Piano 2 ð Chorus sound of Piano1
Harpsichord ð Reverb sound of Piano 1
Vibrafono ð Resonance sound of Piano 1
Electric Piano 1 ð Sine Wave from the left speaker
Electric Piano 2 ð Square Wave from the right speaker
Pipe Organ ð Sine Wave from both speakers
P A a
8.8.
8.
8.8.8.
15
16
RD-100
Feb, 1999
4 : A/D Check
Press the "Transpose" button and the 7-seg display shows:
Press each of the following pedals. Their corresponding LEDs will turn on as shown below. A value (0~10) will
appear on the 7-seg display and a sine wave sound will be heard. When the value shown is '0', no sound can
be heard; when the value is "10" a bell sound will be heard.
Items for A/D check LED
Damper Pedal ð Demo
Soft Pedal ð Beat
5 : MIDI check
Press the "Transpose" button and the 7-seg display shows:
Hook up MIDI IN and MIDI OUT sockets via a MIDI cable and make sure that the 7-seg display shows:
6 : How to finish or start the test again
Press the "Transpose" button and the 7-seg display shows:
If you press this button again, you'll go back to the beginning of the Test Mode and the display will show:
To exit the Test Mode definitely, turn the instrument off and then on again.
JIG
END
0__
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