Roland SP-404 Operating and maintenance manual

SERVICE NOTES
Issued by RJA
Copyright © 2005 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of ROLAND CORPORATION.
Printed in Japan (0430) (AS)17058345E0
SEP.2005 SP-404
TABLE OF CONTENTS
CAUTIONARY NOTES.............................................................. 2
SPECIFICATIONS....................................................................... 3
LOCATION OF CONTROLS..................................................... 4
LOCATION OF CONTROLS PARTS LIST ............................. 5
EXPLODED VIEW 1 ................................................................... 6
EXPLODED VIEW 1 PARTS LIST ............................................ 7
EXPLODED VIEW 2 ................................................................... 8
EXPLODED VIEW 2 PARTS LIST ............................................ 9
PARTS LIST................................................................................ 10
CHECKING THE VERSION NUMBER................................. 14
USERS DATA SAVE AND LOAD.......................................... 14
Instructions for System Initialize ............................................ 14
SYSTEM UPDATE INSTRUCTIONS...................................... 15
TEST MODE ............................................................................... 16
BLOCK DIAGRAM................................................................... 18
CIRCUIT BOARD (MAIN BOARD) ...................................... 20
CIRCUIT DIAGRAM (MAIN BOARD) ................................ 22
CIRCUIT BOARD (PANEL BOARD, JACK BOARD) ........ 24
CIRCUIT DIAGRAM (PANEL BOARD, JACK BOARD) ... 26
ERROR MESSAGES .................................................................. 28

2
SEP.2005
CAUTIONARY NOTES
TAKE BACKUP OF USER DATA
User data status after each of the following processes is described below.
Whenever carrying out procedures that involve deleting or erasing user data,
always be sure to back up the user data to some form of external media (refer
to USERS DATA SAVE AND LOAD).
PARTS LIST
Due to one or more of the following reasons,parts with parts code ********
cannot be supplied as service parts.
• Part supplied only as a component in a complete assembly.
• Copyright does not permit the part to be supplied.
• Part is sold commercially.
CIRCUIT BOARD
“NIU” meant that “NOT IN USE” there don’t set any contents in the Circuit
Diagram.
There has silk-screen only in the Circuit Board.
Process USER DATA
Checking Version number Preserved
Factory Reset Deleted
System Update Preserved
Test Mode Deleted

3
SP-404
SPECIFICATIONS
SP-404: Sampler
Maximum Polyphony
12 voices
Internal Memory
Samples: 24 (12 samples x 2 banks)
* Including Pre-loaded Samples
Patterns: 24 (12 patterns x 2 banks)
* Including Pre-loaded Patterns
Memory Card (CompactFlash)
Samples: 96 (12 samples x 8 banks)
Patterns: 96 (12 patterns x 8 banks)
Maximum Sampling Time (mono,
approx.)
Internal Memory (Including Pre-loaded Samples)
Memory Card (CompactFlash)
Sampling Frequency
44.1 kHz
Data Format
SP-404 original format
(WAV/AIFF import/export possible)
Sampling Mode
STANDARD, LO-FI
Pattern Sequencer
Maximum recordable notes:
Internal Memory: Approx. 8,000 notes
* Including Pre-loaded Patterns
Memory Card (CompactFlash): Approx. 8,000 notes
Resolution: 96 ticks per quarter note
Pattern Length: 1-99 measures
Recording method: Realtime Loop Recording
(with quantize function)
Effects
29 types
Signal Processing
AD Conversion: 24 bits
DA Conversion: 24 bits
Display
7 segments, 3 characters (LED)
Onboard Mic
Mono x 1
Connectors
LINE INPUT Jacks (L, R) (RCA phono type)
LINE OUTPUT Jacks (L, R) (RCA phono type)
Headphones (PHONES) Jack (Stereo 1/4 inch phone type)
MIC Jack (1/4 inch phone type)
MIDI IN Connector
AC Adaptor Jack
Memory Card Slot (CompactFlash)
Power Supply
DC 9 V (Dry battery LR6 (AA) type x 6 or AC Adaptor)
Expected battery life under continuous
use:
Alkaline: 6 hours
* These figures will vary depending on the actual conditions of use.
Current Draw
300 mA
Dimensions
177.6 (W) x 256.7 (D) x 72.1 (H) mm
7 (W) x 10-1/8 (D) x 2-7/8 (H) inches
Weight
1.3 kg
2 lbs 14 oz
(excluding batteries)
Accessories
AC Adaptor (without AC Cord)(#03017356)
AC Cord (117V)(#02562456)
AC Cord (230V EU)(#01903356)
EURO CONVERTER PLUG (#00905234)
AC Cord (230V E)(Cord “#01903356” + Plug “00905234”)
AC Cord (240V A)(#03785590)
Owner’s Manual (ENGLISH)(#73017212)
Owner’s Manual (JAPANESE)(OPTION)(#73016067)
Recommended Memory Cards
As of the date of writing, Roland has confirmed that the following memory
cards work correctly with the SP-404.
(As of September 1, 2005)
* Supported capacities : 32MB,64MB,128MB,256MB,512MB,1GB
* In the interest of product improvement, the specifications and/or appearance of
this unit are subject to change without prior notice.
STANDARD LO-FI
5min. 11min.
CARD CAPACITY STANDARD LO-FI
32MB 12min. 24min.
64MB 24min. 48min.
128MB 48min. 96min.
256MB 96min. 193min.
512MB 193min. 386min.
1GB 386min. 772min.
Manufacturer Model
BUFFALO RCF-G(256MB,1GB),
RCF-X(32MB,64MB,128MB,512MB)
HAGIWARA SYS-COM (Zpro) HPC-CF128ZP(128MB),
HPC-CF512ZP(512MB),
HPC-CF1GZP(1GB)
I-O DATA CFS-32M(32MB)
SanDisk (ultra2) SDCFH-256-903(256MB),
SDCFH-512-903(512MB),
SDCFH-1024-903(1GB)

4
SEP.2005
LOCATION OF CONTROLS
fig.cover2.eps
1,2 1,3
44567
88
11
9
12
10

5
SP-404
LOCATION OF CONTROLS
PARTS LIST
NO PART CODE PART NAME DESCRIPTION Q’TY
1 03565234 J R-KNOB SF-ELA BLK/SLV 4
2 04011745 ROTARY POTENTIOMETER RK09K12C0A8H 1
3 03679256 ROTARY POTENTIOMETER RK09D1130C5B 3
4 01899801 JACK YKC21-3834 2
5 01566445 DIN CONNECTOR YKF51-5067 1
6 02671312 SLIDE SWITCH SLG-22-465 1
7 13449711 AC ADAPTOR JACK HEC0470-01-630 1
8 13449275 6.5MM JACK YKB21-5074 2
9 03121689 COMPACTFLASH EJECTOR ICM-MAE-R21 1
10 03121678 CARD CONNECTOR ICM-MA2H-SS52-R21A 1
11 13279884 RK09K1110 10KB POTENTIOMETER 1
12 03679190 MIC WM-64PNT 1

6
SEP.2005
EXPLODED VIEW 1
fig.bunkai-e.eps
7
3
1
5
6
2
9
14
15
17
19
16
18
4
8
13
10
11
12
20
To p
View 1
View 2
Bottom

7
SP-404
EXPLODED VIEW 1 PARTS LIST
NO PART CODE PART NAME DESCRIPTION Q’TY
1 03909034 TOP PANEL 1
2 03565234 J R-KNOB SF-ELA BLK/SLV 4
3 03909023 TOP CASE 1
4 03908956 CF COVER 1
5 03908967 DISPLAY COVER 1
6 03908990 RUBBER SW EFFECT 1
7 73016112 PANEL BOARD ASSY 1
NOTE: “PANEL BOARD ASSY” includes the following parts.
04010601 LED SPACER LH-3-12
8 03909001 RUBBER SW PAD 1
9 03908978 PWB HOLDER MAIN 1
10 73016089 MAIN BOARD ASSY 1
11 03909012 SHIELD PLATE 1
12 03908945 BOTTOM CASE 1
13 03908901 BATTERY COVER 1
NOTE: When you place an order for #03908901, please place an order for the following two #40672389.
The following parts prevent the shake of a battery. Please stick #40672389 on #03908901.
40672389 BATTERY CUSHION 2
14 03908989 REAR PANEL 1
15 73016134 JACK BOARD ASSY 1
16 03908923 BATTERY TERMINAL - 1
17 03908934 BATTERY TERMINAL +- 1
18 03908912 BATTERY TERMINAL + 1
19 04120734 BATTERY TERMINAL PM 1
20 00340690 FOOT ZULEN (CUSHION) XCK040 12MM 4

8
SEP.2005
EXPLODED VIEW 2
fig.heimen-e.eps
Top View 2
d e
b
Bottom View 1
c
b
c
a
a
b
Screw unnecessary

9
SP-404
EXPLODED VIEW 2 PARTS LIST
No PART CODE PART NAME DESCRIPTION Q’TY
a 02126156 SCREW M3X10 HEX SOCKET HEAD CAP TAPTITE P 4
b 40011312 SCREW 3X8 BINDING TAPTITE P BZC 11
c 40011112 SCREW 3X10 BINDING TAPTITE B BZC 6
d 40011490 SCREW M3X6 PAN MACHINE W/SW BZC 1
e 40230590 SCREW M3X10 BINDING MACHINE NI 1

10
SEP.2005
PARTS LIST
fig.part1e
SAFETY PRECAUTIONS:
The parts marked have
safety-related characteristics. Use
only listed parts for replacement.
NOTE: The parts marked # are new. (initial parts)
Due to one or more of the following reasons,
parts with parts code ******** cannot be supplied as service parts.
• Part supplied only as a component in a complete assembly
• Copyright does not permit the part to be supplied
• Part is sold commercially
The description "Q'TY" means a necessary number of the parts per one product.
CASING
#03908945 BOTTOM CASE 1
# 03909023 TOP CASE 1
# 03908901 BATTERY COVER 1
NOTE: When you place an order for #03908901, please place an order for the following two #40672389.
The following parts prevent the shake of a battery. Please stick #40672389 on #03908901.
# 03908967 DISPLAY COVER 1
# 03908956 CF COVER 1
# 03908989 REAR PANEL 1
# 03909034 TOP PANEL 1
# 03909012 SHIELD PLATE 1
CHASSIS
#03908978 PWB HOLDER MAIN 1
KNOB, BUTTON
03565234 J R-KNOB SF-ELA BLK/SLV 4
# 03908990 RUBBER SW EFFECT 1
# 03909001 RUBBER SW PAD 1
SWITCH
02671312 SLIDE SWITCH SLG-22-465 SW1 on Panel Sheet 1
JACK, EXT TERMINAL
03121678 CARD CONNECTOR ICM-MA2H-SS52-R21A CN1 on Main board 1
03121689 COMPACTFLASH EJECTOR ICM-MAE-R21 1
13449275 6.5MM JACK YKB21-5074 JK1,JK2 on Main board 2
01566445 DIN CONNECTOR YKF51-5067 JK2 on Panel Sheet 1
01899801 JACK YKC21-3834 JK1,JK3 on Panel Sheet 2
13449711 AC ADAPTOR JACK HEC0470-01-630 JK4 on Panel Sheet 1
DISPLAY UNIT
01342534 SL-9351S LED 7 SEGMENT LED1 on Panel Sheet 1
NOTE: Replacement SL-9351S should be made on a unit base.
PCB ASSY
#73016089 MAIN BOARD ASSY 1
# 73016112 PANEL BOARD ASSY 1
NOTE: ‘PANEL BOARD ASSY’ includes the following parts.
# 04010601 LED SPACER LH-3-12 1
# 73016134 JACK BOARD ASSY 1
IC
#03909523 UPD703107AGJ-218-UEN-A IC (CPU) IC2 on Main board 1
# 03909712 LC4032V-75TN48C SP-404 IC (CUSTOM) IC11 on Main board 1
02565501 TC220CCA0AF-B01(MR3) IC (DSP) IC10 on Main board 1
02121556 LC24085B-SD1 IC (I/F) IC4 on Main board 1
02457634 MBM29LV160BE70TN-K IC (FLASH MEMORY) IC8 on Main board 1
03349478 TC58DVM72A1TG00BBH IC (FLASH MEMORY) IC6 on Main board 1
03348812 M12L16161A-7T IC (SDRAM) IC3 on Main board 1
02451434 AK4552VT IC (AD/DA) IC20 on Main board 1
02458090 TC4066BFT(EL) IC (CMOS) IC17 on Main board 1
02675689 HD74LV245ATELL IC (CMOS) IC1,IC5,IC7,IC9 on Main board 4
00346445 NJM2100M(TE3) IC (BIPOLAR OP AMP) IC18 on Main board 1
15189261 M5218AFP-600E IC (BIPOLAR OP AMP) IC22 on Main board 1

11
SP-404
15289105 UPC4570G2-E2 IC (BIPOLAR OP AMP) IC21,IC24,IC16,IC19 on Main board 4
01906156 S-8520E33MC-BJS-T2 IC (DC-DC REGULATOR) IC15 on Main board 1
03015923 S-80130ANMC IC (RESET) IC14 on Main board 1
15289124 PC-400T IC (PHOTO COUPLER) IC23 on Main board 1
01675034 TC74VHC138FT(EL) IC CMOS IC1 on Panel Sheet 1
02453056 BU2090FS-E2 IC (LED DRIVER) IC2,IC3 on Panel Sheet 2
IC
TRANSISTOR
15309101 2SA1037AKT146R TRANSISTOR Q12,Q4 on Main board 2
15319102 2SC2882-Y(TE12L.C) TRANSISTOR Q3 on Main board 1
00239812 DTC114EUT106 TRANSISTOR Q10,Q5 on Main board 2
15329505 DTC314TK T146 DIGITAL TRANSISTOR Q6,Q7,Q8,Q11 on Main board 4
15329511 DTC114TKT146 DIGITAL TRANSISTOR Q13 on Main board,
Q16,Q15,Q8,Q7,Q6,Q11,Q12,Q13,Q9,
Q14,Q10 on Panel Sheet
12
03892989 CPH6316-TL-E TRANSISTOR Q2,Q1 on Main board 2
01783612 RN2426(TE85L) TRANSISTOR Q2,Q3,Q4,Q5,Q1 on Panel Sheet 5
DIODE
02780401 MA720-(TX) SCHOTTKY DIODE D1 on Main board 1
03452167 RB160L-40 TE25 SCHOTTKY DIODE D2 on Main board 1
01897189 MA147-(TX) ARRAY DIODE DA3,DA2,DA4,DA5,DA6,DA1 on Main
board
6
15339130 MA142WK-(TX) ARRAY DIODE DA17,DA18,DA19,DA21,DA22,DA20,
DA10,DA15,DA14,DA13,DA11,DA16,DA9,
DA8,DA7,DA6,DA5,DA4,DA3,DA2,DA1,
DA12 on Panel Sheet
22
01904112 SLR-342VCT32 N.P.Q RANK LED(RED) LED19 on Panel Sheet 1
02671245 SML-310LTT86 LED(RED) LED18 on Panel Sheet 1
03459534 TLSU1002A(TO2) LED(RED) LED27,LED29,LED30,LED31,LED32,
LED33,LED28,LED34,LED35,LED36,
LED37,LED26,LED39,LED40,LED41,
LED43,LED38,LED11,LED2,LED3,LED4,
LED5,LED6,LED7,LED8,LED17,LED10,
LED25,LED12,LED13,LED14,LED15,
LED44,LED16,LED22,LED23,LED24,LED9,
LED42,LED45 on Panel Sheet
40
03560901 SML-311BBT86 LED (BLUE) LED20,LED21 on Panel Sheet 2
RESISTOR
00566890 RPC05T 150 J MTL.FILM RESISTOR R79 on Main board 1
00567023 RPC05T 101 J MTL.FILM RESISTOR R160,R56,R118,R70,R55,R50,R14,R10,R137,
R12,R125 on Main board,R19 on Panel Sheet
12
00567034 RPC05T 121 J MTL.FILM RESISTOR R156 on Main board 1
00567045 RPC05T 151 J MTL.FILM RESISTOR R129 on Main board 1
00567089 RPC05T 331 J MTL.FILM RESISTOR R60,R123,R114 on Main board,
R22,R21,R17,R20,R40,R45,R44,R43,R18,R41,
R23,R39,R38,R37,R36,R35,R25,R42,R24,R34,
R26,R27,R29,R30,R28,R33,R31,
R32 on Panel Sheet
31
00567134 RPC05T 681 J MTL.FILM RESISTOR R113,R122 on Main board 2
00567178 RPC05T 152 J MTL.FILM RESISTOR R1 on Main board 1
00567067 RPC05T 221 J MTL.FILM RESISTOR R71,R75,R159 on Main board 3
00567156 RPC05T 102 J MTL.FILM RESISTOR R158,R82,R85,R128 on Main board 4
00567301 RPC05T 153 J MTL.FILM RESISTOR R120,R108 on Main board 2
00567312 RPC05T 183 J MTL.FILM RESISTOR R67 on Main board 1
00567345 RPC05T 333 J MTL.FILM RESISTOR R100,R116 on Main board 2
00566967 RPC05T 470 J MTL.FILM RESISTOR R38,R33,R35,R39,R37,R36,R72,R32,R41,R34,
R40,R42,R43,R44,R45,R49,R52,R58,R63,R66,
R31,R4,R65,R11,R3,R5,R7,R6,R9,R30,R13,
R15,R16,R17,R26,R8,R18,R29,R25,R24,R23,
R22,R21,R20,R19,R27 on Main board
46
00567501 RPC05T 474 J MTL.FILM RESISTOR R115,R126 on Main board 2
00567556 RPC05T 105 J MTL.FILM RESISTOR R78,R131,R161 on Main board 3
03236123 RPC05T 2R2 J MTL.FILM RESISTOR R99,R140,R144,R98 on Main board 4
00566912 RPC05T 220 J MTL.FILM RESISTOR R185,R195,R193,R191,R189,R187,R197,
R183,R181,R177,R173,R171,R198,R167,
R179,R169,R236,R224,R225,R227,R230,
R222,R234,R228,R200,R175,R243,R237,
R239,R240,R242,R233,R209,R201,R203,
R204,R206,R231,R207,R221,R210,R212,
R215,R219,R218,R216,R213 on Main board,
R9,R16,R15,R14,R13,R12,R11,
R10 on Panel Sheet
55
00567412 RPC05T 104 J MTL.FILM RESISTOR R124,R155,R102,R94,R74,R73,R59,R106,R68,
R143,R154,R69,R132,R145 on Main board
14
01011856 RPC05T 0R0 J MTL.FILM RESISTOR R54,R127,R57,R162,R90 on Main
board,R46,R47 on Panel Sheet
7
01344723 MCR25 JZH J 220 OHM 1/4W MTL.FILM RESISTOR R152,R139,R138,R153 on Main board 4

12
SEP.2005
00567289 RPC05T 103 J MTL.FILM RESISTOR R192,R194,R196,R199,R223,R211,R214,
R220,R202,R190,R226,R180,R205,R208,
R217,R61,R136,R184,R121,R109,R188,R64,
R141,R53,R51,R48,R47,R46,R28,R2,R81,
R174,R186,R229,R182,R241,R134,R176,
R147,R172,R170,R168,R163,R151,R150,
R148,R178,R238,R235,R244,R245,
R232 on Main board
52
00567378 RPC05T 473 J MTL.FILM RESISTOR R104,R103,R101,R97,R96,R95,R110,R91,
R135,R62,R92,R111,R117,R146,R149,R157,
R112 on Main board
17
00567278 RPC05T 822 J MTL.FILM RESISTOR R119,R107 on Main board 2
00567267 RPC05T 682 J MTL.FILM RESISTOR R130 on Main board 1
00567245 RPC05T 472 J MTL.FILM RESISTOR R166,R164 on Main board 2
00567190 RPC05T 222 J MTL.FILM RESISTOR R133,R80,R83 on Main board 3
03015278 EXB28V220JX RESISTOR-ARRAY RA42,RA48,RA35,RA38,RA41,RA44,RA45,
RA47,RA58,RA56,RA50,RA52,RA54,
RA39 on Main board
14
03015289 EXB28V103JX RESISTOR-ARRAY RA66,RA14,RA40,RA26,RA34,RA36,RA37,
RA62,RA67,RA65,RA64,RA63,RA43,RA61,
RA60,RA59,RA57,RA55,RA53,RA51,RA49,
RA46 on Main board
22
03348012 EXB28V101JX RESISTOR-ARRAY RA33,RA68,RA69 on Main board 3
# 03785712 EXB28V470JX RESISTOR-ARRAY RA23,RA25 on Main board 2
00566934 RPC05T 330 J MTL.FILM RESISTOR R4,R8,R7,R5,R3,R2,R1,R6 on Panel Sheet 8
RESISTOR
POTENTIOMETER
13279884 RK09K1110 10KB POTENTIOMETER VR1 on Main board 1
# 03679256 ROTARY POT. RK09D1130C5B ROTARY POTENTIOMETER VR3,VR1,VR2 on Panel Sheet 3
# 04011745 ROTARY POT. RK09K12C0A8H ROTARY POTENTIOMETER VR4 on Panel Sheet 1
CAPACITOR
01674334 ECJ1VC1H101J CERAMIC CAPACITOR C7,C8,C84,C12,C100,C11,C9,C94,C13,C140,
C49,C152,C6,C5,C4,C3,C2,C141,C150,C48,
C130,C42,C162,C47,C46,C45,C51,C43,C15,
C41,C39,C38,C37,C36,C34,C32,C30,C22,
C44,C35,C20 on Main board
41
01674201 ECUV1H180JCV CERAMIC CAPACITOR C105,C106 on Main board 2
01674478 ECJ1VB1H122K CERAMIC CAPACITOR C149,C139 on Main board 2
01674512 ECJ1VB1H222K CERAMIC CAPACITOR C96 on Main board 1
01674167 ECUV1H100DCV CERAMIC CAPACITOR C155,C142,C131,C124,C119 on Main board 5
01674212 ECJ1VC1H220J CERAMIC CAPACITOR C102,C101 on Main board 2
01674578 ECJ1VB1H682K CERAMIC CAPACITOR C170,C163 on Main board 2
01674701 ECJ1VF1E104Z 0.1UF/16VK CERAMIC CAPACITOR C180,C190,C192,C178,C183,C179,C185,
C186,C187,C189,C191,C182,C177,C188,C72,
C76,C66,C67,C69,C64,C71,C63,C184,C21,
C176,C19,C18,C17,C23,C70,C55,C24,C25,
C26,C28,C40,C65,C53,C77,C56,C57,C58,
C59,C60,C61,C62,C50,C129,C73,C103,C108,
C110,C113,C95,C128,C92,C147,C157,C164,
C172,C173,C174,C175,C118,C85,C79,C80,
C81,C82,C97,C83,C78,C86,C10,C87,C1,C88,
C89,C90,C91,C14 on Main board,
C4,C7,C9,C2,C11,C12,C13,C5,
C8 on Panel Sheet
90
02129534 ECJ1VB1H102K CERAMIC CAPACITOR C181,C33,C31,C29 on Main board,C10 on
Panel Sheet
5
02900512 EEE1CA100SR CHEMICAL CAPACITOR C120,C27,C68,C75,C98,C99,C104,C16,C143,
C109,C167,C166,C165,C160,C158,C156,
C151,C146,C144,C138,C137,C126,C107,
C121,C122,C145,C125,C136,C127,C132,
C133,C134,C135,C123 on Main board
34
02900523 EEE1CA101WP CHEMICAL CAPACITOR C161,C112,C171,C169,C115,C116,
C117 on Main board,C6 on Panel Sheet
8
03348445 EEE1CA471UP CHEMICAL CAPACITOR C114 on Main board 1
03454723 EEE0JA331P CHEMICAL CAPACITOR C111 on Main board,C1,C3 on Panel Sheet 3
03454889 EEE1HA010SR CHEMICAL CAPACITOR C154,C148,C153 on Main board 3
INDUCTOR, COIL, FILTER
01904001 TSL1315S-101 CHOKE COIL L35 on Main board 1
02780378 ELL6SH2R7M CHOKE COIL L34 on Main board 1
01340834 EXCML20A390 FERRITE-BEAD L32 on Main board 1
01565578 N1608Z601T01 FERRITE-BEAD L36,L37,L38,L40,L42,L43,L44,L41,L39 on
Main board
9
03121245 BLM18BD102SN1 FERRITE-BEAD L30,L31,L29,L28,L27,L26,L25,L11,L1,L2,L8,
L24,L3,L6,L7,L33,L9,L4,L5,L12,L13,L14,L15,
L16,L17,L18,L19,L20,L21,L22,L23,
L10 on Main board
32
13529246 DSS310-91D223S-50ATL12-134 EMI FILTER FL1 on Panel Sheet 1

13
SP-404
CRYSTAL, RESONATOR
02673278 CX-49G 11.2896MHZ CRYSTAL X2 on Main board 1
# 04010578 SG-9001JC C10P 10MHZ CRYISTAL OSCILLATOR X3 on Main board 1
CONNECTOR
#02012189 40FMN-BTK-A(LF)(SN) CONNECTOR CN3 on Main board 1
13369515 B5B-PH-K-S JST CONNECTOR CN5 on Main board 1
13369564 B12B-PH-K-S JST CONNECTOR CN6 on Main board,CN2 on Panel Sheet 2
13369665 S5B-PH-K-S(5P) CONNECTOR CN3 on Panel Sheet 1
# 04010589 40FMN-STK-A (LF)(SN) CONNECTOR CN1 on Panel Sheet 1
13369570 B2B-PH-K-S (2P) CONNECTOR CN4 on Panel Sheet 1
WIRING, CABLE
#04015601 WIRING W1 1
02344001 WIRING 12X100-P2.0-PHR-PHR-F 1
# 03909045 WIRING 5X80-P2.0-PHR-PHR-F 1
# 03909056 BAN CARD BNCD-P=1.00-K-40-100 1
SCREW
40230590 SCREW M3X10 BINDING MACHINE NI 1
02126156 SCREW M3X10 HEX SOCKET HEAD CAP TAPTITE P
4
40011112 SCREW 3X10 BINDING TAPTITE B BZC 6
40011312 SCREW 3X8 BINDING TAPTITE P BZC 11
40011490 SCREW M3X6 PAN MACHINE W/SW BZC 1
PACKING
#03908878 UPPER PAD 1
# 03908889 LOWER PAD 1
# 03908867 PACKING CASE 1
# 04019278 OUTER PACKING CASE 1
MISCELLANEOUS
#40672389 BATTERY CUSHION 2
00340690 FOOT ZULEN (CUSHION) XCK040 12MM 4
# 03908912 BATTERY TERMINAL + 1
# 03908923 BATTERY TERMINAL - 1
# 03908934 BATTERY TERMINAL +- 2
# 04120734 BATTERY TERMINAL PM 1
03679190 MIC WM-64PNT MIC1 on Main board 1
12199584 GROUNDING TERMINAL M1698 TER1,TER2 on Panel Sheet 2
ACCESSORIES (STANDARD)
03017356
AC ADAPTOR WITHOUT AC CORD
PSB-1U(R) UNIVERSAL 1
01903334 AC CORD SET 100V 1.0M FOR PSB-1U 1
02562456 AC CORD SET 120V 1.0M (NON POLAR) 1
01903356 AC CORD SET 230V EU 1.0M FOR PSB 1
00905234 EURO CONVERTER PLUG ECP01-5A 1
******** AC CORD 230V E CORD(#01903356) + PLUG(#00905234)
03785590 AC CORD SET 240V A SC-078-NA05 1
# 73016067 OWNER’S MANUAL JAPANESE (OPTION) 1
# 73017212 OWNER’S MANUAL ENGLISH 1

14
SEP.2005
CHECKING THE VERSION
NUMBER
1. Turn of the power.
2. Simultaneously hold down the [MARK] switch and press the [POWER]
switch.
3. The version is indicated in the display.
* Ver 1.01 is indicated in the 7’SEG LED as “101”.
USERS DATA SAVE AND
LOAD
Saving Backup Data (Backup
Save)
Here’s how to save backup data (all of the SP-404’s data including
sample banks and pattern banks) to a memory card. You can save up
to twelve sets of backup data.
If the card runs out of free space because you save large
amounts of sample or pattern data, the number of backup sets
that can be saved will be fewer.
1. Insert a memory card formatted for the SP-404 in the SP-404 and turn on
the power.
2. Hold down [CANCEL] and press one of the BANK [C/G]-[F/J] buttons.
“SAV(SAU)” appears in the display and pads for which backup data has
not been saved begin blinking.
3. Select one of the flashing pads as the save destination pad. The selected
pad remains lit, and the other pads stop flashing and remain off.
[REC] flashes.
4. Press [REC].
[REC] lights, and the Backup Save operation begins. The dot in the
display will blink while the operation is in progress.
When saving is complete, the blinking will stop.
Never turn off the power while the dot is blinking. Doing so may damage the
backup data or the memory card.
5. Turn off the power and keep the memory card safely stored.
Loading Backup Data (Backup
Load)
Here’s how to load backup data (all of the SP-404’s data including sample
banks and pattern banks) from a memory card.
When you execute the Backup Load operation, the internal settings of the SP-
404 will be erased and replaced by the backup data you loaded.
Backup Load cannot be performed if data protect is in effect. Before starting
the procedure, hold down [CANCEL] and turn on the power to cancel data
protection
1. Insert the memory card containing the backup data in the SP-404 and turn
on the power.
2. Hold down [CANCEL] and press BANK [A] or [B].
“Lod” appears in the display and the pads for which backup data has
been saved begin blinking.
If the Protect setting is enabled, “Prt” (Protected) appears in the display, and
you will be unable to execute the Backup Load operation.
3. Press a pad to select the backup data that you want to load.
The selected pad lights, and the other pads stop blinking.
[REC] begins blinking.
You can’t select a pad that was dark in step 2 (i.e., a pad for which no data has
been saved). If you decide to cancel the operation at this point, press
[CANSEL].
4. Press [REC].
[REC] lights, and the Backup Load operation begins. The dot in the
display will blink while the operation is in progress. When loading is
complete, the blinking will stop.
Never turn off the power while the dot is blinking. Doing so may damage the
backup data or the memory card.
Instructions for System
Initialize
Factory Settings Cannot Be Restored
with SP-404 Alone
Once samples or patterns assigned at the factory have been deleted or
changed, the SP-404 factory settings cannot be restored using the instrument
itself. To return the SP-404 to its factory settings, obtain the SERVICE DATA &
PROGRAM CD-ROM (#17041673) and after confirming the service
information, create an “initialization memory card” and proceed with the
initialization.
Main Process
1. Connect the memory card formatted for the SP-404 to the computer.
2. Copy the data on the SERVICE DATA & PROGRAM CD-ROM through
the computer to the initialization memory card.
3. Connect the memory card with the data copied to it to the SP-404 and
restore the SP-404’s settings.
* For more detailed instructions, refer to the following pages.
Required Equipment
1. SP-404 SERVICE DATA & PROGRAM CD-ROM (#17041673)
* Confirm the service information.
2. Computer equipped with CD-ROM drive and CompactFlash reader/
writer
3. Memory card (CompactFlash, minimum 32 MB capacity)

15
SP-404
Instructions for Creating the
Initialization Memory Card
Format the memory card on the SP-
404.
Formatting the memory card erases all data on the card.
1. Hold down [CANCEL] and press [REMAIN]. BANK [C/G]-[F/J] flash,
and “FMt” appears in the display.
2. Press any BANK button [C/G]-[F/J]. BANK [C/G]-[F/J] stop flashing
and remain lit; [DEL] flashes (to cancel the formatting, press [CANCEL]).
3. Press [DEL]. [DEL] lights up, and formatting is executed.
The dot in the display flashes while formatting is in progress.
Formatting is completed when the flashing stops.
4. This completes formatting of the initialization memory card.
Turn off the power to the SP-404 and eject the memory card.
Never turn off the power while the dot is blinking. Doing so may damage the
backup data or the memory card.
Do not alter or delete any of the files or folders created on the formatted
memory card.
Doing so will result in the card failing to be recognized properly by the SP-404.
Copy the required data to the memory
card.
1. Insert the memory card in the computer’s CompactFlash reader/writer.
2. Place the SP-404 SERVICE DATA CD-ROM in the computer’s CD-ROM
drive.
3. Copy the “\FCTRY” folders on the SP-404 SERVICE DATA CD-ROM
individually to the “\ROLAND” folder on the memory card.
4. Remove the memory card from the card reader.
5. The initialization memory card is now ready.
Instructions for Restoring the
Factory Settings
* Create an “initialization memory card” before beginning this procedure.
1. Turn off the power to the SP-404.
2. Insert the initialization memory card in the SP-404.
3. Simultaneously hold down [DEL], [CANCEL], and [REMAIN] and turn
on the power to the SP-404.
“ini” appears in the display, and [REC] flashes.
4. Press [REC] to begin the initialization.
The dot in the display flashes while initialization is in progress.
5. When all processing is completed, “ini” disappears from the display (and
normal operation begins).
6. Turn off the power to the SP-404.
SYSTEM UPDATE
INSTRUCTIONS
Required Equipment
1. SP-404 SERVICE DATA & PROGRAM CD-ROM (#17041673)
Confirm the service information.
2. Computer equipped with CD-ROM drive and CompactFlash reader/
writer
3. Memory card (CompactFlash, minimum 32 MB capacity)
System Update Procedure
Creating the Updater Memory Card
1. Format a memory card on the SP-404.
2. Turn off the power to the SP-404 and eject the memory card.
Copy the required data to the memory
card.
1. Insert the memory card in the computer’s CompactFlash reader/writer.
2. Place the SP-404 SERVICE DATA CD-ROM in the computer’s CD-ROM
drive.
3. Copy the DCOAPL.BIN file in the “\UPDATE” folder on the SP-404
SERVICE DATA CD-ROM to the memory card’s root folder.
Do not copy the individual UPDATE folder.
Copy only the DCOAPL.BIN file to the root folder.
4. The data is copied to the memory card. Remove the memory card from
the card reader.
Update Instructions
1. Turn off the power to the SP-404.
2. Insert the updater memory card in the SP-404.
3. Turn on the power to the SP-404; the update begins automatically.
* While the update is in progress, the pads light in sequence and the amount of
processing remaining to complete (100-0) is indicated in the display.
All processing is completed when “000” is indicated in the display.
4. Turn off the power to the SP-404 and remove the updater memory card.
5. Check the version number to confirm that the update has been executed
properly.
6. Turn off the power to the SP-404 to finish the operation.
If the System Update Fails
If the System Update fails, turn off the SP-404’s power off and then on again,
then perform the update again.
If the update cannot be completed successfully on the second attempt, it is
highly likely that the memory card was not correctly prepared; recreate the
updater memory card.
If unable to update the system even after these steps, replace the MAIN board.

16
SEP.2005
TEST MODE
Backing Up the User Data
All user data is deleted when Test mode is carried out.
Also be sure to reload the user data after competing Test mode.
Required Equipment
1. SP-404 SERVICE DATA & PROGRAM CD-ROM (#17041673)
2. Computer equipped with CD-ROM drive and CompactFlash reader/
writer
3. 2 memory cards (CompactFlash, minimum 32 MB capacity). In the
instructions that follow, these are referred to as the backup memory card
and test memory card.
4. MIDI Cable
5. Audio Cable
6. MIDI device (UM-1, MC-909, Fantom, V-Synth, or other MIDI device that
transmits Active Sensing)
7. MIC
8. Oscillator or similar device (for input of audio signals)
9. Oscilloscope, speakers (for confirming output audio signals)
Setup
First create a test memory card and insert it in the SP-404, connect all required
cables, then carry out the following preparations before entering Test mode.
Creating the Test Memory Card
The following tests cannot be performed without a test memory card.
• Memory Card Check (performed during the automatic checks)
• Demo Play
(Tests other than those listed above can be performed without a test memory
card.)
1. Format the test memory card with the SP-404 (refer to the instructions for
initializing the system).
2. Turn off the power to the SP-404, and eject the test memory card from the
SP-404.
3. Insert the test memory card in the computer’s CompactFlash reader/
writer.
4. Place the SP-404 SERVICE DATA CD-ROM in the computer’s CD-ROM
drive.
5. Copy the “\FCTRY” folder on the SP-404 SERVICE DATA CD-ROM
separately to the “\ROLAND” folder on the test memory card.
6. Eject the test memory card from the CompactFlash reader/writer.
7. Prepare to enter Test mode in reference to the following procedures.
Insert the memory card and connect the
cables.
1. Insert the test memory card in the memory card slot.
2. Connect a MIDI device that transmits Active Sensing (e.g., UM-1, MC-
909, Fantom, V-Synth, etc.) to MIDI IN.
3. Input an audio signal to LINE IN L/R with an oscillator or other such
device.
4. Enable the oscilloscope or similar device to measure signals from LINE
OUT L/R.
5. Connect a mic to the MIC jack.
6. Set the MIC LEVEL volume to maximum.
7. This completes preparations for Test mode.
Refer to “Entering Test Mode” and proceed with testing.
Entering Test Mode
1. Turn off the power to the SP-404.
2. Insert the test memory card in the memory card slot.
3. Simultaneously hold down [PITCH], [VINYL SIM], and [HOLD] and turn
on the power to the SP-404.
“tSt” appears in the display, and the SP-404 automatically begins Test
mode (with 1. Device Check).
* the Device check is completed without error, the display changes to “Lin.”
Exiting Test Mode
Turn off the power.
Selecting the Test Category
The following procedure can be used to select individual test categories during
Test mode.
Test Categories
Start Test mode. Refer to “Entering Test Mode.”
1. Device Check
“tSt” appears in the display, and all 11 categories are checked automatically.
If all tests are passed without error, the procedure automatically advances to
“2. Input/Output Jack Check.”
If any test fails, the corresponding item is indicated with the PAD LEDs (the
procedure does not automatically advance to the next test).
Procedure Test Mode
Hold down [TAP TEMPO] and
press [1]
Device Check
Hold down [TAP TEMPO] and
press [2]
Input/Output Jack Check (LINE
IN, LINE OUT, PHONES)
Hold down [TAP TEMPO] and
press [3]
Mic Check
Hold down [TAP TEMPO] and
press [4]
Switch/LED Check
Hold down [TAP TEMPO] and
press [5]
Volume Check
Hold down [TAP TEMPO] and
press [6]
Demo Play Check
Hold down [TAP TEMPO] and
press [7]
Residual Noise Check
PAD Problem Items to check
[1] VERSION Update the system.
[2] CPU ROM Confirm that the CPU (IC2) is properly in-
stalled.
[3] CPU RAM Confirm that the CPU (IC2) is properly in-
stalled.
[4] NOR FLASH Confirm that the NOR FLASH MEMORY
(IC8) is properly installed.
[5] NAND FLASH Confirm that the NAND FLASH MEMORY
(IC6) is properly installed.
[6] SDRAM Confirm that the SDRAM (IC3) is properly
installed.
[7] DSP Confirm that the DSP (IC10) is properly in-
stalled.
[8] Compact Flash Confirm that (IC11, CN1) are properly in-
stalled.
[9] MIDI Confirm that (IC23) is properly installed.
[10] AUDIO DEVICE Confirm that the DSP (IC10) and GA (IC4)
are properly installed.
[11] DEMO DATA Confirm that the test CF has been properly
created.

17
SP-404
2. Input/Output Jack Check (LINE IN,
LINE OUT, PHONES)
“Lin” appears in the display.
Audio signals input to LINE IN are output by the SP-404 to LINE OUT and
PHONES.
Check the signals from LINE OUT and PHONES.
If there is no problem with the signals, disconnect the cable from LINE IN L/R;
the e procedure automatically advances to “3. Mic Check.”
3. Mic Check
“MiC” appears in the display.
Audio signals input to MIC are output by the SP-404 to LINE OUT and
PHONES.
Check the signals frOM LINE OUT and PHONES.
1. MIC LEVEL
Set this to the maximum level.
2. External Mic
Input sounds to the mic connected to the MIC jack and check the signals from
LINE OUT (or PHONES).
If there is no problem with the signals, disconnect the cable from the MIC jack.
3. Internal Mic
Input sounds to the internal mic and check the signals from LINE OUT (or
PHONES).
4. MIC LEVEL
If there is no problem with the signals, rotate the MIC LEVEL knob and check
to confirm that the level changes properly..
If there is no problem with the knob, press the [MIC] button; the procedure
automatically advances to “4. Switch/LED Check.”
4. Switch/LED Check
1. Display Illumination
Check visually and note whether the illumination lighting the area around the
display (the red LEDs) light, both above and below.
2. Seven-Segment LEDs
Check visually and note whether the seven-segment LED display lights in the
sequence.
3. Switch/LED
Press the buttons with lit LEDs in sequence.
There is a total of 45 switches, with the LEDs lighting in the following
sequence.
* All of the LEDs light when the buttons up to [MIC] have been pressed.
4. PEAK
Confirm that the PEAK LED is lit, then proceed to press the following button
in sequence given (the following buttons do not have LEDs).
[TAP TEMPO] -> [CANCEL] -> [REMAIN] -> [SUB PAD]
Buttons without LEDs are indicated in the display as shown below.
“tAP” : [TAP TEMPO]
“CAn” : [CANCEL]
“rEN” : [REMAIN]
“SUb” : [SUB PAD]
5. If all of the switches operate properly, the procedure automatically
advances to “5. Volume Check.”
5. Volume Check
1. CTRL 1
Rotate the [CTRL 1] knob from the minimum value (left) to the maximum
value (right).
The value indicated in the seven-segment display (left column) changes in
accordance with the movement of the knob; the dot lights if the test is passed.
If an incorrect value is detected, the procedure returns to the beginning of “5.
Volume Check.”
2. CTRL 2
Rotate the [CTRL 2] knob from the minimum value (left) to the maximum
value (right).
The value indicated in the seven-segment display (center column) changes in
accordance with the movement of the knob; the dot lights if the test is passed.
If an incorrect value is detected, the procedure returns to the beginning of “5.
Volume Check.”
3. CTRL 3
Rotate the [CTRL 3] knob from the minimum value (left) to the maximum
value (right).
The value indicated in the seven-segment display (right column) changes in
accordance with the movement of the knob; the dot lights if the test is passed.
If an incorrect value is detected, the procedure returns to the beginning of “5.
Volume Check.”
If the check finishes without error, the procedure automatically proceeds to “6.
Demo Play Check.”
6. Demo Play Check
Demo Play cannot be performed without a test memory card inserted in the
memory card slot.
The demo song plays automatically.
Confirm that the demo song is played correctly.
Rotate the [VOLUME] knob and confirm that the volume level changes
properly.
After confirming the above, press [MIC]; the procedure automatically proceeds
to “7. Residual Noise Check.”
7. Residual Noise Check
Set [VOLUME] to maximum and check the residual noise.
If there is no problem, turn off the power to the SP-404.
8. Backup Load
Following Test mode, all user data is erased.
After completing Test mode, reload the previously saved user data to the SP-
404.
Test mode is finished once the user data is completely loaded.

19
SEP.2005 SP-404
BLOCK DIAGRAM
fig.block-outline.eps

20
SEP.2005
CIRCUIT BOARD (MAIN BOARD)
fig.main_001.eps
View from components side
“scale=1.00”

21
SP-404
fig.main_002.eps
View from foil side
“scale=1.00”