Roland GW-7 Service Notes
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Also See for GW-7:
- Owner's manual (48 pages) ,
- Midi implementation manual (20 pages) ,
- Specifications (2 pages)
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Mar.2005
TABLE OF CONTENTS
CAUTIONARY NOTES ................................................... 2
SPECIFICATIONS............................................................. 3
LOCATION OF CONTROLS .......................................... 4
LOCATION OF CONTROLS PARTS LIST ................... 4
EXPLODED VIEW 1 ......................................................... 6
EXPLODED VIEW PARTS LIST 1 ................................. 7
EXPLODED VIEW 2 ......................................................... 8
EXPLODED VIEW PARTS LIST 2 ................................. 9
KEYBOARD PARTS LIST .............................................. 10
DISASSEMBLY PROCEDURE ..................................... 12
BOARD" (03902467) ....................................................... 13
GREASING SPREADING POSITION.......................... 14
PARTS LIST...................................................................... 15
CHECKING THE VERSION NUMBER....................... 17
USERS DATA SAVE AND LOAD................................ 17
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.
The specification of the
destination and the product
There are different point between China version and other version.
We marks it in this service note as follows.
• "FOR CHINA"China version.
• "EXCEPT FOR CHINA"other version.
The different specification is as follows.
• Internal sound, Internal style, Demo song
• Silk screen printing of Panel Sheet R, please refer to followings.
FOR CHINA:[PIANO] , ... , [SYNTH] , [ASIA] , [WORLD]
EXCEPT FOR CHINA:[PIANO] , ... , [SYNTH] , [WORLD1] , [WORLD2]
• Printing of packing case
17058318E0
SERVICE NOTES
Issued by RJA
FACTORY RESET INSTRUCTIONS ............................ 18
DRV).................................................................................. 19
TEST MODE..................................................................... 21
BLOCK DIAGRAM......................................................... 26
CIRCUIT BOARD (MAIN) ............................................ 28
CIRCUIT BOARD (MAIN) ............................................ 30
CIRCUIT DIAGRAM (MAIN 1/2) .............................. 32
CIRCUIT DIAGRAM (MAIN 2/2) .............................. 34
ERROR MESSAGES........................................................ 40
Printed in Japan (0500) (AS)
GW-7
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Table of Contents
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Summary of Contents for Roland GW-7
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Page 1: Table Of Contents
EXCEPT FOR CHINA:[PIANO] , ... , [SYNTH] , [WORLD1] , [WORLD2] • Printing of packing case 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. -
Page 2: Cautionary Notes
Mar.2005 CAUTIONARY NOTES User data status 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 Saving and Loading Data). -
Page 3: Specifications
GW-7 SPECIFICATIONS Songs: 99 Band Type GW-7 Workstation 3 levels: Drum & Bass, Combo, Full Band Keyboard [Others] 61 keys (with velocity) USB (Data transfer) [Sound Generator] Operating System Windows: Windows 2000/Me/XP Maximum Polyphony Macintosh: Mac OS 9.0.4 or later, Mac OS X 10.0 or later... -
Page 4: Location Of Controls
Mar.2005 GW-7 LOCATION OF CONTROLS fig.panel.eps fig.rear.eps LOCATION OF CONTROLS PARTS LIST PART CODE CATEGORY PART NAME DESCRIPTION Q’TY 03787089 KNOB,BUTTON R-KNOB SF BY MOONPO 02455234 POTENTIOMETER 12M/M ROTARY POTENTIOMETER EVJY15F02B14 02230578 MISCELLANEOUS LED SPACER LDS-50R 12169368 MISCELLANEOUS LED SPACER... -
Page 5: Exploded View 1
Mar.2005 EXPLODED VIEW 1 fig.bunkai-1.eps... -
Page 6: Exploded View Parts List 1
GW-7 EXPLODED VIEW PARTS LIST 1 PART CODE PART NAME DESCRIPTION Q’TY 03787089 R-KNOB SF BY MOONPO 22365714 CORD HOOK 236-714 03897445 DISPLAY COVER 03787090 R-KNOB LF BY MOONPO ******** NUT+WASHER Attached to the ROTARY ENCODER 03897456 PANEL SHEET L... -
Page 7: Exploded View 2
Mar.2005 EXPLODED VIEW 2 fig.bunkai-2.eps View 1 View 2 Bottom... -
Page 8: Exploded View Parts List 2
GW-7 fig.bunkai-3.eps Rear View 3 EXPLODED VIEW PARTS LIST 2 [Screw] PART CODE PART NAME DESCRIPTION Q’TY 40569678 HEXSOCKET 3X8 B TIGHT NI ******** “NUT + WASHER” “Attached to the ROTARY ENCODER ” 40011301 SCREW 3X6 BINDING TAPTITE P BZC... -
Page 9: Keyboard Parts List
Mar.2005 KEYBOARD PARTS LIST fig.keys.eps A detailed KEYBOARD ASSY PART CODE PART NAME DESCRIPTION Q’TY 03786378 NATURAL KEY C FOR MSK-2 03786389 NATURAL KEY D FOR MSK-2 03786390 NATURAL KEY E FOR MSK-2 03786401 NATURAL KEY F FOR MSK-2 03786412 NATURAL KEY G FOR MSK-2 03786423... - Page 10 GW-7...
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Page 11: Disassembly Procedure
Removal solder of the Shield sheet and Main board solder section. When attach the Shield sheet in the Main board, please following up with above reverse procedure. After certainly to attach the Shield sheet then set Main board into the GW-7 body. Grease spreading position. -
Page 12: Attaching The "Insulating Sheet For Main Board" (03902467)
GW-7 Attaching the “INSULATING SHEET FOR MAIN BOARD” (03902467) • This part might not exist according to the manufactured period. fig.insl-1 Please verify that the direction of the “INSULATING SHEET FOR MAIN BOARD” is correct. fig.insl-2 Attache the “INSULATING SHEET FOR MAIN BOARD” to the Main Board by the adhesive tape . -
Page 13: Greasing Spreading Position
Mar.2005 GREASING SPREADING POSITION. fig.griss.eps Grease spreading in the marking section of figure. -
Page 14: Parts List
GW-7 PARTS LIST fig.part1e Due to one or more of the following reasons, SAFETY PRECAUTIONS: parts with parts code ******** cannot be supplied as service parts. The parts marked have safety-related characteristics. Use only listed parts for replacement. • Part supplied only as a component in a complete assembly •... - Page 15 Mar.2005 PWB ASSY 03671756 DS-KEY TOP SX2H-B GRS BY MOONPO 03671767 NS-KEY TOP MX1H BY MOONPO 01783923 N S-KEYTOP MD1H * MAINBOARD ASSY FOR SERVICE is different between China version and others. POTENTIOMETER 02455223 EVUF2KFK4B14 9M/M ROTARY POTENTIOMETER VR1,VR2 on PANEL L BOARD 02455234 EVJY15F02B14 12M/M ROTARY POTENTIOMETER...
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Page 16: Checking The Version Number
• USB cable and User Style) USERS DATA SAVE (The System, Here’s how to back up (save) the User Song and User Style of the GW-7 on an external computer. User Tone, and User You must not perform the following actions while the GW-7’s [USB] button is Performance settings) lit or while files are being sent or received. -
Page 17: Factory Reset Instructions
Performance settings) Here’s how to restore the System, User Tone, and User Performance settings of Here’s how to return the backed-up data from your sequencer into the GW-7. GW-7 to Its Factory Settings. After you update the system, you will need to perform the Factory Reset. -
Page 18: Initializing The User Style And User Song Memory (Init Drv)
GW-7, and load the data into the GW-7 to update its program or connect a computer to GW-7 via a USB, and load the data into the GW-7 to update its Once the initialization is complete, the previous screen will program. - Page 19 Mar.2005 • Verify that “****” matches the checksum of the version to which you updated. • Turn off the power of the GW-7. Then turn the power on again and perform the Factory Reset operation. Measures against system update failure If the update failed, perform it once again from step 1.
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Page 20: Test Mode
11. Verify that “****” matches the checksum of the version to which you updated. Entering Test Mode. 12. Turn off the power of GW-7. Then turn the power on again and perform the Factory Reset operation. While holding down the three buttons [WORLD1] + [TONE] + [SONG], turn on the power of GW-7. - Page 21 When connected the USB with the computer correctly, “ OK “ will be displayed in LCD of GW-7, GW-7 awakes the display as an external drive (“GW-7_DRV” or “Removable disk”) on the screen of the computer. Before it enters the test mode, please start the computer and connect GW- 7 with USB cable.
- Page 22 GW-7 6.LCD Test fig.lcd-t11-whole.eps Please verify that Output-L and Headphones from left side sign wave output. Press the [ENTER] button to proceed to the R-ch test. Verify that all pixels of the LCD lit. According to the setting of the computer, when automatically advancing from Press the [ENTER] button to proceed to the All LCD Pixels Unlit test.
- Page 23 Here you will make D BEAM settings. Before you begin this test, verify that (The “OK” indication will not appear unless you perform the tests in the there are no objects within 50 cm of the GW-7. (If any such objects are within order of Bender Left, Bender Right, and Modulation.) this range, the settings cannot be made correctly.)
- Page 24 When use a noise meter to measure the residual noise of OUTPUT-L, please insert dummy plug into OUTPUT-R. Turn the [VOLUME] knob of the GW-7 all the way toward the right. Set the input filter of your noise meter to “DIN- AUDIO.”...
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Page 25: Block Diagram
TC203C180AF003 Program ROM Preset,User AK4324 8bit 16bit OUTPUT VOLUME DRAM Mask ROM PHONES IC22 uses different parts in GW-7 and GW-7C. IC29 4Mbit IC22 SW LED EXCEPT FOR CHINA : MR27V12800J-143TN03S M11L416256SA-35TG 128Mbit FOR CHINA : MR27V12800J-OTDTN03A EFX RAM Wave ROM... -
Page 26: Circuit Board (Main)
Mar.2005 GW-7 CIRCUIT BOARD (MAIN) fig.main-comp.eps View from component side "scale=0.95"... - Page 27 Mar.2005 GW-7 CIRCUIT BOARD (MAIN) fig.main-foil.eps View from foil side "scale=0.95"...
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Page 28: Circuit Diagram (Main 1/2)
Mar.2005 GW-7 CIRCUIT DIAGRAM (MAIN 1/2) fig.main1-c.eps MIDI TER1 TER2 TER3 TER4 PCB-12 PCB-12 PCB-12 PCB-12 HDC-052A-12 KRC102S MIDIOUT IC1A IC1B 100P D3V[0:15] PC410LK MIDIIN A3V[0:21] SN74LV245A-PW XFLCS1 XFL3VCS1 XLFLSEL D3V15 DQ15 XFLWP5V XFLWP3V A3V21 D3V14 */IRQ7/A21 DQ14 470P XFLCS0... -
Page 29: Circuit Diagram (Main 2/2)
D3V11 D3V4 R162 CD11 DACK0 D3V10 D3V3 CD10 D3V9 D3V2 R163 D3V8 D3V1 D3V7 IC22 uses different parts in GW-7 and GW-7C. D3V0 D3V6 D3V5 WD15 XWCS WD15 EXCEPT FOR CHINA : MR27V12800J-143TN03S (#03899556) D3V4 WD14 XWOE WD14 XUSBCCS D3V3... -
Page 30: Circuit Board (Panel L Board / Panel Rboard)
Mar.2005 GW-7 CIRCUIT BOARD (PANEL L BOARD / PANEL R BOARD) fig.panel-comp.eps View from component side... -
Page 31: Circuit Diagram (Panel L Board / Panel Rboard)
Mar.2005 GW-7 CIRCUIT DIAGRAM (PANEL L BOARD / PANEL R BOARD) fig.panel-c.eps PANEL-R-BOARD DTB123ES SSL7 SSL6 DTB123ES SSR7 L-132XNT L-132XNT SSR5 LED1 LED2 ENCA L-132XNT ENCB asgn-2 TAP_TEMPO LED26 DTB123ES SSL6 SHIFT EXIT piano world SSL5 asgn-1 asgn-2 DTB123ES SSR6... -
Page 32: Error Messages
Mar.2005 ERROR MESSAGES MIDI Buffer Full Cause: The amount of the received MIDI message was too much, it can not correctly process. Correspondence: Please decrease the amount of the transmitted MIDI message. MIDI Off Line Cause: There is a problem in the connection of MIDI cable. Correspondence: Verify that MIDI cable must be neither omission nor a disconnection.