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SEP.2005 


SP-404 


SP-4D4 


SERVICE NOTES 

Issued by RJA 


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 


L-LINE OUT-R L-LINE IN-R 


MIDI IN POWER ON DC IN 


SP-4D4 


CTRL 3/MFX 


PHASER 

TREMOLO/PAN 

:} ' 'll i! 



^!nce!!^ gB) 

PATTERN STOP CURRENT PAO 


0000ED 
0000ilf 

00000i 


“ SAMPLE / PATTERN - 


MEMORY CARD 


MIC LEVEL MIC IN 


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. 


Roland 


17058345E0 


Printed in Japan (0430) (AS) 







































































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). 


Process 

Checking Version number 
Factory Reset 
System Update 
Test Mode 


USER DATA 

Preserved 

Deleted 

Preserved 

Deleted 


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. 


2 






SP-404 


SPECIFICATIONS Onboard Mic 


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) 

STANDARD _ LO-FI _ 

5min. llmin. 


Memory Card (CompactFlash) 

CARD CAPACITY STANDARD LO-FI 


32MB 

12min. 

24min. 

64MB 

24min. 

48min. 

128MB 

48min. 

96min. 

256MB 

96min. 

193min. 

512MB 

193min. 

386min. 

1GB 

386min. 

772min. 

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) 


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 gAPANESE)(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) 

Manufacturer Model 

BUFFALO RCF-G(256MB,1GB), 

RCF-X(32MB,64MB,128MB,512MB) 
HAGIWARA SYS-COM (Zpro) HPC-CF128ZP(128MB), 
HPC-CF512ZP(512MB), 
HPC-CFIGZP(IGB) 

1-0 DATA CFS-32M(32MB) 

SanDisk (ultra2) SDCFH-256-903(256MB), 

SDCFH-512-903(512MB), 
SDCFH-1024-903(1GB) 

* 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. 


3 





SEP.2005 


LOCATION OF CONTROLS 




PHONES 


MEMORY CARD 


MIC LEVEL 


MIC IN 












































































































































































































SP-404 


LOCATION OF CONTROLS 
PARTS LIST 


NO 

PART CODE 

PART NAME 

DESCRIPTION 

Q' 

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 


5 





SEP.2005 


EXPLODED VIEW 1 




6 






















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 


7 





SEP.2005 


EXPLODED VIEW 2 



8 











































































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 


9 






SEP.2005 


PARTS LIST 


SAFETY PRECAUTIONS: 


Due to one or more of the following reasons, 

The parts marked Ahave 


parts with parts code ******** cannot be supplied as service parts. 

safety-related characteristics. Use 
only listed parts for replacement. 


• Part supplied only as a component in a complete assembly 

• Copyright does not permit the part to be supplied 

• Part is sold commercially 


NOTE: The parts marked # are new. (initial parts) 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 T 


JACK, EXT TERMINAL 

03121678 

03121689 

13449275 

01566445 

01899801 

13449711 


CARD CONNECTOR 
COMPACTFLASH EJECTOR 
6.5MM JACK 
DIN CONNECTOR 
JACK 

AC ADAPTOR JACK 


ICM-MA2H-SS52-R21A 

ICM-MAE-R21 

YKB21-5074 

YKF51-5067 

YKC21-3834 

HEC0470-01-630 


CN1 on Main board 

JK1JK2 on Main board 
JK2 on Panel Sheet 
JK1JK3 on Panel Sheet 
JK4 on Panel Sheet 


1 

1 

2 

1 

2 

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 


1C 


# 

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 

TC220CC A0AF-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 


10 























SP-404 


IC 


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 


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 

06,07,(38,(211 on Main board 

4 

15329511 

DTC114TKT146 

DIGITAL TRANSISTOR 

Q13 on Main board. 

12 




Q16,Q15,Q8,Q7,Q6,Q11,Q12,Q13,Q9, 





Q14,Q10 on Panel Sheet 


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 

DAI 7,D A18,DA19,D A21 ,D A22,D A20, 
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(T02) 

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 470J 

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 474J 

MTL.FILM RESISTOR 

R115,R126 on Main board 

2 

00567556 

RPC05T 105 J 

MTL.FILM RESISTOR 

R78,R131,R161 on Main board 

3 

03236123 

RPC05T2R2J 

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 





SEP.2005 


RESISTOR 


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 473J 

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 472J 

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 


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,CU,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 

005,006 on Main board 

2 

01674478 

ECJ1VB1H122K 

CERAMIC CAPACITOR 

049,039 on Main board 

2 

01674512 

ECJ1VB1H222K 

CERAMIC CAPACITOR 

C96 on Main board 

1 

01674167 

ECUV1H100DCV 

CERAMIC CAPACITOR 

055,042,031,024,019 on Main board 

5 

01674212 

ECJ1VC1H220J 

CERAMIC CAPACITOR 

002,001 on Main board 

2 

01674578 

ECJ1VB1H682K 

CERAMIC CAPACITOR 

070,063 on Main board 

2 

01674701 

ECJ1VF1E104Z 0.1UF/16VK 

CERAMIC CAPACITOR 

080,090,092,078,083,079,085, 

086,087,089,091,082,077,088,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,C157,064, 

072,073,074,075,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 

020,C27,C68,C75,C98,C99,C104,06,043, 
009,067,066,065,060,058,056, 
051,046,044,038,037,026,007, 
021,022,045,025,036,027,032, 
033,034,035,023 on Main board 

34 

02900523 

EEE1CA101WP 

CHEMICAL CAPACITOR 

061,012,071,069,015,016, 

017 on Main board,C6 on Panel Sheet 

8 

03348445 

EEE1CA471UP 

CHEMICAL CAPACITOR 

014 on Main board 

1 

03454723 

EEE0JA331P 

CHEMICAL CAPACITOR 

Clll on Main board,Cl,C3 on Panel Sheet 

3 

03454889 

EEE1HA010SR 

CHEMICAL CAPACITOR 

054,048,053 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 


12 





SP-404 


CRYSTAL, RESONATOR 

# 

CONNECTOR 

02673278 

04010578 

CX-49G 11.2896MHZ 
SG-9001JC C10P 10MHZ 

CRYSTAL 

CRYISTAL OSCILLATOR 

X2 on Main board 

X3 on Main board 

1 

1 

# 

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) 

A 

03017356 

AC ADAPTOR WITHOUT AC CORD 

PSB-IU(R) UNIVERSAL 


1 

A 

01903334 

AC CORD SET 

100V 

1.0M FOR PSB-1U 

1 

A 

02562456 

AC CORD SET 

120V 

1.0M (NON POLAR) 

1 

A 

01903356 

AC CORD SET 

230V EU 

1.0M FOR PSB 

1 

A 

00905234 

EURO CONVERTER PLUG 

ECP01-5A 


1 


******** 

AC CORD 

230V E 

CORD(#01903356) + PLUG(#00905234) 


A 

03785590 

AC CORD SET 

240V A 

SC-078-NA05 

1 

# 

73016067 

OWNER'S MANUAL 

JAPANESE (OPTION) 


1 

# 

73017212 

OWNER'S MANUAL 

ENGLISH 


1 


13 





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. 

NOTE 

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. 

NOTE 

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) 


14 





SP-404 


Instructions for Creating the 
Initialization Memory Card 

Format the memory card on the SP- 
404. 

NOTE 

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. 


15 





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 
NOTE 

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. 

Procedure Test Mode 

Hold down [TAP TEMPO] and Device Check 

press [1] 

Hold down [TAP TEMPO] and Input/Output Jack Check (LINE 

press [2] IN, LINE OUT, PHONES) 

Hold down [TAP TEMPO] and Mic Check 

press [3] 

Hold down [TAP TEMPO] and Switch/LED Check 

press [4] 

Hold down [TAP TEMPO] and Volume Check 

press [5] 

Hold down [TAP TEMPO] and Demo Play Check 

press [6] 

Hold down [TAP TEMPO] and Residual Noise Check 

press [7] 


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). 


PAD 

Problem 

Items to check 

[i] 

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. 


16 





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 

NOTE 

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. 


17 





SEP.2005 


BLOCK DIAGRAM 


MAIN BOARD 


CPU 

IC2 

V850/MA1 

50MHz 


SDRAM 

16Mbit 
Work RAM 


NOR Flash 

IC8 16Mbit 

IMBM29LV160BEI 
Program ROM 


X3 lOMHzt- 


CPLD 

IC11 

LC4032-V 


16bit 


50MHz bus 


16bit 



Flash ROM 

IC6 

128Mbit NAND 
TC58DVM72A 
Preset,User 


16bit 


4bit 


8bit 


10MHz 


GA 


MR3 

IC4 


IC10 

LC24085B 


TC220CCA 

02121556 


02565501 




X2 

11.2896MHZ 


CODEC 

AK4528VF 

A/D2ch,D/A2ch 


BAN CARD (#03909056) 


PHONES 




< 


MIC 

3 



40pin 

FFC 


5pin 


PANEL BOARD 



SW LED 


VR 


OUTPUT 

VOLUME 


WIRING (#03909045) 


12pin 


JACK BOARD 
LINE 


R 


> 


< 


®® 


OUT 


IN 


WIRING 

(#02344001) 


BATTERY 

1.5V x 6 



WIRING 

(#04015601) 















SEP.2005 


CIRCUIT BOARD (MAIN BOARD) 



View from components side 
"scales 1.00" 


20 






































































































































































































































































































SP-404 





View from foil side 
"scales 1.00" 


21 










































































































































































SEP.2005 


SP-404 


CIRCUIT DIAGRAM (MAIN BOARD) 



23 

































SEP.2005 


CIRCUIT BOARD (PANEL BOARD, JACK BOARD) 




V CN4 * -^ JKS 

1|2|3K|5|6|7|8|9|10 


i 

Y8 

Y4 

Y2 

[yT 

HZ 

11 _CN2_12 

I - “^ I 

-JK3- 

r 4 ^ ( 


SnPb Solder 


2 

M8 

M4 

M2 

to 


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P 

2^Jl R.1 Rolgnd 

Pb-Free Solder 

_ 

□16 

D8 

□ 4 

□ 2 

01 

SI 

3-40+ JACK BOARD ASSY 

' 73016134 


View from components side "scales 1.00' 


24 





























































































































































































































































































































PUB 03909101 00 


SP-404 



25 



































































































































































































































































































































SEP.2005 


SP-404 


CIRCUIT DIAGRAM (PANEL BOARD, JACK BOARD) 


LED1 

SL-9351S 


LS2 



Q 

Q1 

RN2426^ 

LSI 

_j_U 


II 

Q2 

RN2426 ? 

LSO 

1_5 


CM I 1 1 


oil 1 ' 

HE 

Q3 L_ 


CM I- 1 1 

04 [ _ 


COM3 

COM2 


COM IB 
COM1A 


<<< CD CD CD OOO □ □ Q 


>Ri 

33 


LS3 1 

w] 


:EJ 


LED2 

2 -^- 


LED10 

48^- 


R9 

22 


R2 

33 


£R3 

33 


LED3 


LED11 

48^- 


RIO 

22 


>R4 

33 


LED4 

2 ~M ± 

TL&U1002A 


LED12 

TLSU1002A 


R11 

22 


£R5 

33 


LED5 

2 -^- 


LED13 

48^ 

TL5U1002A 


R12 

22 


>R6 

33 


LED6 

2 ~M ± 

TL&U1002A 


LED14 

48^ 

TLSU1002A 


>R13 

I 22 


>R7 

33 


D X 3 - 3 

C1 zz 

330/6.3 - 

Tt? d 


D^3.3 C2 

& 


IC1 

TC74VH C138FT 
SS2 


TL&U1002A 




LED15 

148^- 

TL5U1002A 


DTC114TK w | DTC114TK m \ DTC114TK m \ DTC114TK m \ DTC114TK m \ DTC114TK CT | DTC114TK DTC114TK m \ 

_ITFI _i_rpl _i_TPn _1[F1 _i[pn _1JF1 _iJFn _1 


R14 

22 


>R8 

33 


SSI 


TLSU1002A 




TL§U1002A 


R15 

22 


SSO 


D^3.3| 


G2B 

G2A 

G1 


8 I 7 ^ 

> re y 

Y5 > 
Y4 > 
Y3 > 
Y2 > 

9 I 1 > 

(3 YO )■ 


LED9 
2 /Q\ 1 


I *5^ 

TLSU1002A 


LED17 

, r^ ± 

TLSU1002A 


>R16 

22 


JACK BOARD ASSY : 73016134 


JK2 

YKF51-5067 


to_Main_Board 


YKC21-3834 


YKC21-3834 


YKC21-3834 


OUTR 



OUTL 



1 i T 

i 


1 

2 

3 _ 

1 -=■ 

3 

4 

cz 

MIDIA 

4 

5 

1 MIDIB 

5 

6 

1 


6 

7 



7 

8 

1_ 

OUTL 

8 

9 

10 

11 

12 

9 

1 OUTR 

10 



-j? 

_ 

INL 

12 

1 INR 





Ti 





VR4B 

RK09K12C@ 

04011745 


77? a 


JK1C 

YKC21-3834 


—| n ^" u jk3c|—1^"° | 

— 1 „ O I o “ 


YKC21-3834 


Tt? a 


B12B-PH-K-S 

to Main Board 


TER1 TER2 

© Ml698 O Ml698 


3 2 


JK4 

HEC0470-01-630 


FL1 

DSS9ND31H223Q91J 


SLG-22-465 ADPi 
11 SW1A 



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3—' 

C13- 

0.1“ 

t SW1C 

221 SLG-22-465 

- SW1B o^o 

ol ol 

CN4 

i-H 



1_u ''~^ 

B2B-PH-K-S 


BATTERY 


PANEL BOARD ASSY : 73016112 


rPrr£ZZ^ 






f&S 


-K 


2 


2 


2 PV-. 




'R?rr& 




+f 








■w- 


-K 








rPr®: 


: 


1 1 


fVrSn 


2 1 






“Pri&f 


rPrifr 


SD2 

SD1 


■ M 




■pnfr4 






■9n$^ 


■9r^t 




~Pn®~i 




^ " -Pr fe 2 BI S 


fVrW ' -pr fe 2 IW 1 ^ 






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I-Pr^ i 2 


PV± 


m 


ms 


■Pn8a4 l-Pr fe 2 


f-prr ai 2 


JL - L PhsH 


“Prrftif 


""Pnfisf 


“Prrfcf 


“PriSof 


“PrrSef 


“PrrSfet 


40 

i 39 

I TAP 

38 

T7n SS2 

37 

SSI 

36 

SSO 

35 

SD5 

34 

SD4 

33 

SD3 

32 

SD2 

31 

SD1 

30 

SD0 

29 

LCLK 

28 

LDB 

27 

LDA 

26 

LS4 

25 

LS3 

24 

LS2 

23 

LSI 

22 

LSO 

21 

LD7 

20 

LD6 

19 

LD5 

18 

LD4 

17 

LD3 

16 

LD2 

15 

LD1 

14 

LD0 

13 

VR2 

12 

VR1 

11 

VR0 

10 

BLED 

9 

PEAK 

8 

A A Ta LINE 

7 

I _e_ 



VR3B 


d 77 ? d 



LED18 

SML-310LT 


r-O O-MMr 




DX3-3 


LED19 | 
SLR-342VCT32 


77 ? D 


;io 

1000P 


R20 

330 


R21 

330 




- J -^ L 


40FMN-STK-A 

to_Main_Board 

2 LED46 NIU 
LED47 NIU 
LED20 SML-311BBT 




- L #4 




LINE 



SML-311 BBT 
NIU 
NIU 


Q14 


"FI PEAK 1 

rFn bled i 

m 

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s 


DTC114TK 


R23 

330 2 

(On 1 

— 

R25 

330 

tpS) 2 

/Os 1 

R27 

330 2 

(Os 1 

•fi® 

R29 

330 

&S) 2 

/On 1 

R31 

330 2 

/Q\ 1 

1C® 

R33 

330 

tfjiS 7 2 

1 

R35 

330 2 

1 


R37 

330 

2 


R39 

330 2 

/Q\ 1 



330 

iO® 2 

/Q\ 1 

R43 

330 2 

Qs 1 

JS) 



LED22 

LED23 

LED25 

LED27 

LED29 

LED31 

LED33 

LED35 

LED37 

LED39 

LED41 

LED43 


TLSU1002A 

TLSU1002A 

TLSU1002A 

TLSU1002A 

TLSU1002A 

TLSU1002A 

TLSU1002A 

TLSU1002A 

TLSU1002A 

TLSU1002A 

TLSU1002A 

TLSU1002A 


IC2 

BU2090AF 


Q10 
DATA Q9 
Q8 

^CLOCK Q7 
Q6 
Q5 
Q4 
Q3 
Q2 
w Q1 
> QO 


J 


14 ... 

R26 

330 2 

/Q\ 

1 

— 

13 Xy 

R28 

330 


2 

1 

12 yy? 

R30 

330 2 

da 

1 


11 Xv 

R32 

330 


2 

1 

10 Xy 

R34 

330 2 


1 


9 Xy 

R36 

330 


2 

/12\ 1 

8 Xv 

R38 

330 2 

/Q\ 

1 


7 Xv 

R40 

330 


2 

1 

6 Xv 

R42 

330 2 


1 


5 *yy 

R44 

330 


2 

/a 1 

4 Xv 

R45 

330 2 

-iQl. 

1 



LED24 TLSU1002A 
LED26 TLSU1002A 
LED28 TLSU1002A 
LED30TLSU1002A 
LED32 TLSU1002A 
LED34 TLSU1002A 
LED36TLSU1002A 
LED38TLSU1002A 
LED40 TLSU1002A 
LED42 TLSU1002A 
LED44 TLSU1002A 
LED45 TLSU1002A 


IC3 

BU2090AF 


27 












SEP.2005 


ERROR MESSAGES 


Message 

A.on (Bank A protect on) 
AiF (AIFF) 
bdL (Backup Delete) 
CHG (Change) 
dAL (Delete All) 
dEL (Delete) 

Edt (Edit) 

EJC (Eject) 

EMP (Empty) 


Err (Error) 

ErS (Erase) 

EXP (File Export) 

FiL (File I/E) 

FMt (Format) 

FUL (Memory Full) 
iMP (File Import) 
ini (Initialize) 

L.oF (Limit mode off) 

L.on (Limit mode on) 

LEd (LED) 

LEV (Level) 

Lo (Battery Low) 

Lod (Backup Load) 

Mid (MIDI) 

P.oF (Protect off) 

P.on (All data protect on) 

Prt (Protected) 

Ptn (Pattern) 
rdy (Ready) 
rEC (Recording) 
rEh (Rehearsal) 

S.oF (Send/Return mode off) 
S.on (Send/Return mode on) 
SAV (Backup Save) 
trC (Truncate) 

UnS (Unsupported format) 
WAV 


Meaning 

Bank A is protected. 

Audio files will be exported in AIFF format. 

Backup data will be deleted. 

Samples or patterns will be exchanged between two pads. 

All samples or patterns in the bank will be deleted. 

The sample or pattern will be deleted. 

The sample is being edited. 

The memory card was removed, so processing is not possible. 

* Don't remove the card while the power is on. 

There is no sample, pattern, or backup data to delete. 

There is no backup data to load. 

There is no WAV or AIFF data to import. 

There is no data to export as WAV or AIFF. 

Faulty data was found in internal memory; it has been repaired or deleted. 

Data will be erased from the pattern. 

The sample will be exported as WAV or AIFF. 

WAV or AIFF data will be imported/exported. 

Memory card will be formatted. 

Processing could not be executed because there is insufficient memory. 

WAV or AIFF data will be imported. 

All data will be initialized. 

Effect Limit mode is off. 

Effect Limit mode is on. 

The blinking speed of the display illumination will be specified. 

The resampling volume (level) will be specified. 

If the batteries run down completely, no further operations will be possible. Replace the batteries immediately. 
Backup data will be loaded. 

Synchronized to MIDI Clock. 

Protect is turned off. 

All banks are protected. 

The operation cannot be performed because Protect is enabled. 

Pattern playback or recording will be performed. 

Waiting for input signal during Auto Sampling. 

Sampling. Resampling. Recording a pattern. 

Rehearsal mode during pattern recording. 

Send/Return mode is off. 

Send/Return mode is on. 

Backup data will be saved. 

Sample will be truncated. 

The operation was cancelled because the WAV or AIFF is in a format not supported by the SP-404. 

When exporting an audio file, it will be exported in WAV format. 


28