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
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9
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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