Roland EP-97 Schematic
DISASSEMBLY
SERVICE NOTES
Issued by RES
First edition
SN00033 K6018370 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-97
Dec, 1999
1
TABLE OF CONTENTS Page
SPECIFICATIONS 1
LOCATION OF CONTROLS 2
EXPLODED VIEW 3
KEYBOARD PARTS LIST 4
STAND EXPLODED VIEW KS-EP-97 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
SPECIFICATION
KEYBOARD
88 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
7W 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
ACJ - 12V 2A AC-Adaptor
POWER CONSUMPTION
1700mA
DIMENSIONS
1302(W) x 339 (D) x 108 (H) mm (without music stand)
1308(W) x 370 (D) x 767 (H) mm (with music stand)
WEIGHTS
12,5 Kg. (without music stand)
21,2 Kg. (with music stand)
SUPPLIED ACCESSORIES
AC-Adaptor (ACJ Type)
Owner's Manual
Pedal Switch (DP-6)
(See Parts List on page 5-6)
OPTIONS
Music Stand KS-EP-97
2
EP-97
Dec, 1999
LOCATION OF CONTROLS
REAR VIEW
3
EP-97
Dec, 1999
EXPLODED VIEW
4
EP-97
Dec, 1999
KEYBOARD PARTS LIST 88 KEY TP/8P KEYBOARD ASSY (7698908000)
Ref
1
2
3
4
5
6
7
8
9
10
11
*
PARTS NAME
KEY SPRING gr.63
NATURAL KEY A (gr.10) TP/8P
LA (I)
RE
MI
FA
SOL
LA
SI
DO (F)
DO
NATURAL KEY C (gr.10) TP/8P
NATURAL KEY D (gr.10) TP/8P
NATURAL KEY E (gr.10) TP/8P
NATURAL KEY F (gr.10) TP/8P
NATURAL KEY G (gr.10) TP/8P
NATURAL KEY A (gr.10) TP/8P
NATURAL KEY B (gr.10) TP/8P
NATURAL KEY A (gr.10) TP/8P
SHARP KEY (gr.10) TP/8P
SELF TAP SCREW 2.9x8 TCTCPRBZ
12P RUBBER CONTACT
13P RUBBER CONTACT
LEFT CONTACT PCB ASSY+RUBBER
RIGHT CONTACT PCB ASSY+RUBBER
88-KEY KEYBOARD CHASSIS TP/8P
GUIDE BUSHING INFERIOR
GUIDE BUSHING SUPERIOR
CONTACT BOARDS ARE COMPLETE WITH RUBBER CONTACTS
PARTS NUMBER
n.
J2179102 88
1
7
7
7
7
7
7
8
1
36
48
7
1
1
1
1
88
88
J2579141
J2579142
J2579143
J2579144
J2579145
J2579146
J2579147
J2579148
J2579149
J2579150
J2289126
2218523802
2218523902
7698904000
7698903000
J2819104
J2359104
22158789
1
2
3
PM
SM
6
8
5
7
4
*
CONTACT BOARDS ARE COMPLETE WITH RUBBER CONTACTS
*
9
10
11
12 P RUBBER CONTACT 13 P RUBBER CONTACT
A
A
A
A
A
C
C
B
B
A
A
A
LEFT
RIGHT
** CUT AND ASSEMBLY OF RUBBER CONTACTS
88 KEY TP8P KEYBOARD ASSY
LA
DO
STAND EXPLODED VIEW & PARTS LIST (KS-EP-97)
EP-97
Dec, 1999
5
15189189 I.C. UPC 4570HA VERT. (OP.AMP.) IC7 on JB
15199904 I.C. M51953 BL (STANDING) IC5 on JB
A 01451578 I.C. DAC AK4324-VF-E2 IC18 on MB
A 01898334 I.C. PQ05RD11 REGULATOR) IC6 on JB
A 01670890 I.C. PQ3DZ53U (REGULATOR) IC8 on MB
A 01901012 I.C. PQ05DZ11 (REGULATOR) IC21 on MB
A 00562601 I.C. LA4705 (POWER AMP) IC3 on JB
# K525815910 I.C. K525815910 EP77/97 IC10 on MB
TRANSISTOR
15129114 TRANSISTOR 2SC-1815GR Q8 on JB
15129136 TRANSISTOR 2SC-2878-A/B Q2, 3 on JB
15129602 TRANSISTOR 2SD-667C Q7 on JB
15129164 TRANSISTOR DTC-114ES Q4, 5 on JB / Q106, 107, 108 on CB
15119163 TRANSISTOR RN2227 Q101, 102, 103, 104, 105 on CB
00898201 TRANSISTOR RN2421 CHIP Q1 on MB
A 15119141 TRANSISTOR DTA-114 ESATP Q1 on JB
DIODE
15019159RI DIODE 1N-4148 D101-115 on CB / on LCB / on RCB
A 15119126 DIODE 1SS-133T REDUCED PITCH D1-14, D14 on JB
A 00019356 DIODE 1SR139-400 T-32 D10, 12 on JB
A 01905134 SCHOTTKY DIODE MA7D49 D13 on JB
15029320RI LED DIODE TLHG4401 - GREEN LED106 on CB
15029284RI LED DIODE TLHR4401 - RED LED101-105 on CB
A 01121689 LED SPR-325MVWT31 LED107 on CB
RESISTOR
15399965 RESISTOR ARRAY RCE9A-103-JA RA13 on MB
J3919108 RESISTOR ARRAY EXB-V8V-103-JV RA3, 5, 6, 8 on MB
00126101 RESISTOR ARRAY EXB-V8V-221-JV RA2, 7, 9, 10, 11 on MB
00346690 RESISTOR ARRAY RCE9A-682-JA RA16, 17, 18 on MB
13819132RI UNINFL.RES. 100 OHM 0.6W 5% R1, 2, 4, 5, 12, 13, 15, 16 on PB
A 01783623 RESIST. 5025 10 OHM1/2W 5% R30 on MB
A 15399989 RESIST. 5025 68 OHM1/2W 5% R65 on MB
POTENTIOMETER
00459901 ROT. POT. 10KB 14K 1230 VR1 on CB
A 01897245 ROTARY POT 11M/M RK 11K1140 VR101 on BTB
CAPACITOR
J3469156 ELECTR. COND. 33U 16V P.5 C23, 24, 31, 38, 39, 46, 48, 52 on JB
J3629122 ELECTRL.COND.-V 1000UF 25V C26, 33, 41, 59 on JB
J3629103 ELECTRL.COND. 100U 25V P5 C47, 53, 61, 62 on JB / C1, 2, 6, 7 on PB
J3629104 ELECTRL.COND. 10U 50V P5 C56 on JB
# J3629154 ELECTR.CAPACIOR 3.38 50V P.5 C11, 14 on JB
J3629107 ELECTRL.COND. 1UF 100V P5 C32, 50 on JB
J5369103 ELECTR. COND. 100U 16V (SMD) C117 on MB
J5369104 ELECTR. COND. 10U 16V (SMD) C13, 16, 45, 48, 54, 78, 81, 92, 101, 104, 107,110, 115 on MB
J5369105 ELECTR. COND. 33U 16V (SMD) C74, 82, 103, 109 on MB
J3629149 ELECTR.COND. 100U 16V H.7 C102 on CB
J3629140 ELECTR. COND. 0.33U 63V H.7 C108 on CB
INDUCTOR, COIL, FILTER
<<EMI>> 12449382RI NOISE SUP. PLT1-R53C FL1 on JB
<<EMI>> 12449380 NOISE SUP. EXC-ELDR. 25V L1, 2, 4, 6 on PB
<<EMI>> 12449355 NOISE SUP. FBR07H850TB00 L3, 5, 7 - 11 on JB
CRYSTAL, RESONATOR
00894034 QUARTZ 16.000 MHZ MA-406 X1 on MB
00901912 QUARTZ 24.576 MHZ MA-406 X2 on MB
CONNECTOR
13369689RI 20P FEM. CONNECTOR AMP 1.27 CN5, 6 on MB / CN1 on RCB / CN1 on LCB
J3439112 2P MALE CONNECTOR P 2.5 M CN4 on JB
J3439120 4P MALE CONNECTOR P.2 M CN4 on MB
J3439121 6P MALE CONNECTOR P.2 M CN6 on JB / CN102 on CB
J3439125 5P MALE CONNECTOR P.2 M CN3 on JB
J3439141 10P MALE CONNECTOR P.2 M CN3 on MB / CN101 on CB
J3439146 11P MALE CONNECTOR P.2 M CN8 on MB / CN1 on JB
J3439148 7P MALE CONNECTOR P.2 M CN2 on MB / CN2 on JB / CN5 on PB
# J3439171 4P MALE CONNECTOR 90° P.2 M CN103 on BTB
PARTS LIST EP-97 (117V/230V/230VE)
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
NOTE:
# The parts marked " # '' are new (Initial Parts).
A The parts marked " A '' are new (Initial Parts).for RES but already used by RJA
The parts marked have Safety - Related characteristics.
Use only listed parts for replacement.
<< EMI >> Component for EMC.
NNoottee :: Replacement should be made on a unit basis. No replacements available for individual parts.
Replacement only be a unit.
!
!
SAFETY PRECAUTIONS :
The parts marked have
safety-related characteristics.
Use only listed parts for
replacement.
!
MB = Main Board
JB = Jack Board
LCB = Left Contact Board
RCB = Right Contact Board
CB = Control Board.
BTB = Beat & Tempo Board
HB = Headphone Board
CASING Q.ty
# 7711604000 VARNISHED BOTTOM EP-97 1
# 7711605000 VARN+SILK. TOP CABINET EP-97 1
# 7711606000 VARN+SILK. SOCKET SUPPORT EP-97 1
K2248125 GRILL F/LOUDSPEAKER 2
# K2198107 PLASTIC MUSIC REST EP-77/97 1
KNOB BUTTON
# K2478287 BLACK KNOB W/IVORY POINTER D.12 H.16.5 3
# K2478285 2-BUTTON GROUP 8X8 (TRANSPARENT) 3
# K2478286 2-BUTTON GROUP 12X8 (BLACK) 5
22488183 POWER SWITCH KNOB N.001-BLACK 1
SWITCH
A 01676512 PUSH SWITCH SDKLA1-B SW1 on JB
J3169105 SWITCH TP-1101A / EVQ-PAE 05 R SW101-115 on CB
A 01897234 ROTARY SWITCH SRBV15-F0820-11 SW116 on BTB
JACK, SOCKET
13449726 DC SUPPLY SOCKET HEC 2305-01-230 JK8 on JB
13449252 JACK SOCKET YKB 21-5006 JK9, JK10 on JB
13449283 JACK SOCKET HLJ7101-01-3010 JK2, 3, 4, 5, 6,7 on JB
13429825 5P DIN SOCKET YKF51-5054 (2PCS) JK1 on JB
SPEAKER
K2418103 SPEAKER 4 OHM 120.20B/FX 2
KEYBOARD ASSY
7698908000 88-KEY TP8P KEYBOARD ASSY 1
NOTE: For details, refer to KEYBOARD PARTS LIST (Page 4)
PCB ASSY
# 7711602000 CONTROL PCB ASSY EP-97 1
# 7711603000 BEAT & TEMPO PCB ASSY EP-97 1
# 7711504000 HEADPHONE PCB ASSY EP-77/97 1
# 7711505000 JACK PCB ASSY EP-77/97 1
# 7711601000 MAIN PCB ASSY EP-97 1
7698903000 RIGHT CONTACT PCB ASSY W/RUBBER 1
7698904000 LEFT CONTACT PCB ASSY W/RUBBER 1
IC
15229718RI I.C. 6N137 PHOTO-COUPLER IC2 on JB
A 01897256 I.C. LHMN5RW MASK ROM IC12 on MB
A 01786667 I.C. HD6413006F20 FLAT IC6 on MB
15169547RI I.C. 74 HC 08 DIP CMOS IC102 on CB
15169550RI I.C. 74 HC138 DIP CMOS IC101 on CB
15249111 I.C. TC7WU04 F FLAT CMOS IC13 on MB
00232645 I.C. TC7W14F FLAT IC20 on MB
00129278 I.C. SSC1080 FOB (CUSTOM IC) IC16 on MB
J5259110 I.C. HM62256LFP-7T FLAT SRAM IC5, 7 on MB
01126612 I.C. TC514260DJS-60 FLAT IC14 on MB
A 01679978 I.C. RA09-002 (XP6) CUSTOM IC9 on MB
15259884 I.C. TC7S08F MOS CMOS IC19 on MB
J5169106 I.C. 74LS04 TTL IC1 on JB
15189250 I.C. M5218 AL (STANDING) IC4 on JB
15289105 I.C. UPC 4570G (OP AMP) IC17 on MB
E
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