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Roland SP-404SX Service Notes

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Sep. 2009

Table of Contents

Cautionary Notes ..............................................................2
Specifications .....................................................................3
Location of Controls .........................................................4
Exploded View ..................................................................6
Exploded View Parts List.................................................7
Plain View ..........................................................................8
Plain View Parts List.........................................................9
Parts List ...........................................................................10
Verifying the Version Numbers....................................12
Copyright © 2010 Roland Corporation
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of Roland Corporation.
Formatting an SD Card ..................................................12
Data Backup and Restore Operations ..........................12
Performing a Factory Reset............................................14
Updating the System ......................................................15
Test Mode .........................................................................16
Block Diagram/Wiring Diagram..................................20
Circuit Diagram (Panel Board)......................................24
Circuit Diagram (Jack Board) ........................................26
Revise Information
Jun. 30, 2010
p. 15, p. 17
Feb. 28, 2013
p. 17
Dec. 10, 2015
p. 15, p. 18
Apr. 12, 2017
p. 2
17058637E0
SERVICE NOTES
Issued by RJA
Corrected an error.
Corrected errors.
Added descriptions.
Deleted the circuit diagrams for Main Board.
SP-404SX
CC-KWS

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Summary of Contents for Roland SP-404SX

  • Page 1: Table Of Contents

    Added descriptions. Apr. 12, 2017 p. 2 Deleted the circuit diagrams for Main Board. Copyright © 2010 Roland Corporation All rights reserved. No part of this publication may be reproduced in any form without the written permission of Roland Corporation. 17058637E0...

  • Page 2: Cautionary Notes

    • Because reissuance is restricted. • Because the part is made to order (at current market price). • Because it is carried in electronic data on the Roland web site. • Because it is a package or an accessory irrelevant to the function maintenance of the main body.

  • Page 3: Specifications

    4 GB 32 GB (720 min.) (96 hours) Current Draw * Since the 1 GB SD card included with the SP-404SX contains preload data, the available sampling time will be less than the time above. 450 mA Data Format Dimensions 16-bit Linear (.wav/aiff)

  • Page 4: Location Of Controls

    Sep. 2009 SP-404SX Location of Controls fig.PANEL.eps Part Code Part Name Description Q’ty 03565234 J R-KNOB SF-ELA BLK/SLV 04011745 ROTARY POTENTIOMETER RK09K12C0A8H 03679256 ROTARY POTENTIOMETER RK09D1130C5B 01899801 RCA(PIN) JACK YKC21-3834N 01566445 DIN CONNECTOR YKF51-5067 02671312 SLIDE SWITCH SLG-22-465 13449711 AC ADAPTOR JACK...
  • Page 5 Sep. 2009 SP-404SX...

  • Page 6: Exploded View

    Sep. 2009 SP-404SX Exploded View fig.bunkai.eps...

  • Page 7: Exploded View Parts List

    Sep. 2009 SP-404SX Exploded View Parts List Part Code Part Name Description Q’ty 5100006876 TOP PANEL 03565234 J R-KNOB SF-ELA BLK/SLV 5100006870 TOP CASE 5100006873 SD COVER 04679101 DISPLAY COVER 5100008495 RUBBER SW EFFECT 5100007188 PANEL SHEET ASSY * This unit includes the following parts.

  • Page 8: Plain View

    Sep. 2009 SP-404SX Plain View fig.bunkai-H.eps View 1 Bottom View 2...

  • Page 9: Plain View Parts List

    Sep. 2009 SP-404SX Plain View Parts List Part Code Part Name Description Q’ty 02126156 SCREW M3X10 HEX SOCKET HEAD CAP TAPTITE P 40011312 SCREW 3X8 BINDING TAPTITE P BZC 40011112 SCREW 3X10 BINDING TAPTITE B BZC 40011490 SCREW M3X6 PAN MACHINE W/SW BZC...

  • Page 10: Parts List

    Sep. 2009 SP-404SX Parts List fig.-part1-e.eps Safety Precautions: Due to one or more of the following reasons, The parts marked have parts with parts code ******** cannot be supplied as service parts. safety-related characteristics. Use only listed parts for replacement.
  • Page 11 Sep. 2009 SP-404SX MISCELLANEOUS 03679190 WM-64PNT 03908912 BATTERY TERMINAL 5100006883 BATTERY TERMINAL 5100006884 BATTERY TERMINAL 5100006885 BATTERY TERMINAL 40672389 BATTERY CUSHION 00340690 FOOT ZULEN (CUSHION) XCK040 12MM 04010601 LED SPACER LH-3-12 12199584 GROUNDING TERMINAL M1698 ACCESSORIES (Standard) 5100008948 OWNER’S MANUAL...

  • Page 12: Verifying The Version Numbers

    Operations Refer to 1. VERSION under Test Mode (p. 16). User data and setting values on the SP-404SX are saved at one or more of the following destinations, depending on the data type. Backup and restore operations for each of these must be performed as required.
  • Page 13 Restoring or Copying Data on the SD Card On the SP-404SX, format the SD card to be returned to the customer. (If you’re making a copy, use a blank SD card.) Insert the formatted SD card into the SD card reader/writer connected to the computer.

  • Page 14: Performing A Factory Reset

    SD Card default State Insert the SD card from step 2 into the SP-404SX, then hold down the If for some reason it becomes necessary to return not only the Main Board but [CANCEL] button and switch on the power.

  • Page 15: Updating The System

    Saving the Destination Setting on Creating the Update-use SD Card the Main Board Format the SD card on the SP-404SX. (Refer to Formatting an SD Card When the Main Board has been serviced or replaced, after verifying that the (p. 12).)

  • Page 16: Test Mode

    Device Preparing the SD Card for Test-mode Use NOR FLASH SDRAM1 Format the SD card on the SP-404SX. (Refer to Formatting an SD Card SDRAM2 (p. 12).) SDRAM (WSP) Insert the formatted SD card into the SD card reader/writer connected to SD CARD the computer.
  • Page 17 SP-404SX 3. PHONES 7. SW/LED fig.test03.eps Verify that the two locations near the Roland logo and BPM/VALUE above and below the display simultaneously light up in alternating red and blue. Verify that the 7-segment LED display lights up in sequence.
  • Page 18 Sep. 2009 SP-404SX 10. Residual-noise Measurement/ Destination-setting Verification The message PrE appears on the 7-segment LED display. This item was originally intended for saving destination data on the Main Board and the SD card included when the unit was shipped from the factory, but here it is used to measure the unit’s residual noise and to...
  • Page 19 Sep. 2009 SP-404SX...

  • Page 20: Block Diagram/Wiring Diagram

    Sep. 2009 SP-404SX Block Diagram/Wiring Diagram fig.BLOCK.eps@L...
  • Page 21 Sep. 2009 SP-404SX fig.BLOCK.eps@R...

  • Page 22: Circuit Board (Panel Board, Jack Board)

    Sep. 2009 SP-404SX Circuit Board (Panel Board, Jack Board) fig.b-PANEL-1.eps...
  • Page 23 Sep. 2009 SP-404SX fig.b-PANEL-2.eps...

  • Page 24: Circuit Diagram (Panel Board)

    Sep. 2009 SP-404SX Circuit Diagram (Panel Board) fig.d-PANEL.eps@L D+3.3V RN2426(TE85L.F) LSP0 D+3.3V RN2426(TE85L.F) LSP1 D+3.3V COM1A 0.1uF COM1B DGND RN2426(TE85L.F) COM2 DGND LSP2 COM3 LED1 BA56-11EWA D+3.3V LSP5 _G2B RN2426(TE85L.F) _G2A LED52 LED18 LED6 LED14 SML-E12DWT86 SML-E12DWT86 SML-E12DWT86 SML-E12DWT86 TC74VHC238FT(EL)
  • Page 25 Sep. 2009 SP-404SX fig.d-PANEL.eps@R DIODE: MA3J142DGL(MA142WA-(TX)) CARBON_SW MI059-4 CARBON_SW MI059-4 CARBON_SW MI059-4 CARBON_SW MI059-4 CARBON_SW MI059-3 CARBON_SW MI059-9 SW10 SW11 SW12 CARBON_SW MI059-4 CARBON_SW MI059-4 CARBON_SW MI059-3 CARBON_SW MI059-5 CARBON_SW MI059-4 CARBON_SW MI059-6 SW13 SW14 SW15 SW16 SW17 SW18 CARBON_SW MI059-3...

  • Page 26: Circuit Diagram (Jack Board)

    Sep. 2009 SP-404SX Circuit Diagram (Jack Board) fig.d-JACK.eps MIDI-IN ADPV_J YKF51-5067N MIDIA MIDIB YKC21-3834V LINE IN FGND FGND MIDIB MIDIA OUTR OUTL YKC21-3834V AGNG B12B-PH-K-S (LF)(SN) OUTR (To MAIN BOARD) YKC21-3834V LINE OUT OUTL YKC21-3834V TER1 TER2 AGNG M1698 M1698...

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