Table of Contents
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Apr. 2006
Table of Contents
Cautionary Notes ..............................................................2
Specifications .....................................................................2
Exploded View (1).............................................................6
Exploded View (1) Parts List ...........................................7
Exploded View (2).............................................................8
Exploded View (2) Parts List ...........................................9
Keyboard Parts List.........................................................10
Parts List ...........................................................................11
Wiring Diagram...............................................................14
Checking Version Number ............................................15
Data Save (User Backup)................................................15
Data Load (User Restore) ...............................................16
Factory Reset....................................................................16
System Update.................................................................16
Test Mode .........................................................................17
Block Diagram .................................................................23
Copyright © 2006 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of ROLAND CORPORATION.
Circuit Board (MAIN Board: 1/2).................................24
Circuit Board (MAIN Board: 2/2).................................25
Circuit Board (PANEL-A, B Board) ..............................28
Circuit Diagram (MAIN Board: 1/4)............................30
Circuit Diagram (MAIN Board: 2/4)............................32
Circuit Diagram (MAIN Board: 3/4)............................34
Circuit Diagram (MAIN Board: 4/4)............................36
Circuit Diagram (JACK Board: 1/2) .............................38
Circuit Diagram (JACK Board: 2/2) .............................40
Circuit Diagram (PANEL-A Board) .............................42
Circuit Diagram (PANEL-B Board) ..............................44
Circuit Diagram (PANEL-C Board: 1/2) .....................46
Circuit Diagram (PANEL-C Board: 2/2) .....................48
Error Messages ................................................................50
17058414E0
JUNO-G/JUNO-G (J)
SERVICE NOTES
Issued by RJA
Printed in Japan (0500) (SC-KWS)
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Table of Contents
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Summary of Contents for Roland Juno-GJ
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Page 1: Table Of Contents
Circuit Diagram (PANEL-C Board: 2/2) .....48 Test Mode .................17 Error Messages ..............50 Block Diagram ..............23 Copyright © 2006 ROLAND CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION. 17058414E0... -
Page 2: Cautionary Notes
Apr. 2006 JUNO-G/JUNO-G (J) Cautionary Notes Specifications JUNO-G: Synthesizer Keyboard (Conforms to General MIDI 2 System) User data status Keyboard User data status after each of the following processes is described below. 61 keys (with velocity) 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 storage ■... -
Page 3: Rhythm Pattern
Apr. 2006 JUNO-G/JUNO-G (J) Audio Track Dimensions Data Format: 16-bit linear 1022.8 (W) x 298.4 (D) x 101.7 (H) mm Sample Rate: 44.1 kHz 40-5/16 (W) x 11-3/4 (D) x 4-1/16 (H) inches Recording Time: • memory not expanded (4 M bytes) Weight approx. -
Page 4: Location Of Controls/Location Of Controls Parts List
Apr. 2006 JUNO-G/JUNO-G (J) Location of Controls/Location of Controls Parts List fig.top-panel@L 5 10 fig.rear-panel@L 21 22 26 27 28 Parts Code Parts Name Description Q'ty Parts Code Parts Name Description Q’ty 01343089 ESCUTCHEON D-BEAM CONTROLLER ESCT BLK 00899023 LNJ282RKRXE 03126134 LED (INFRARED) TLN233 (F) -
Page 5: Exploded View (1)
Apr. 2006 JUNO-G/JUNO-G (J) Exploded View (1) fig.bunkai... -
Page 6: Exploded View (1) Parts List
Apr. 2006 JUNO-G/JUNO-G (J) Exploded View (1) Parts List Parts Code Parts Name Description Q'ty 04124267 J R-KNOB SF-ELA BLK/SLV 01676512 PUSH SWITCH SDKLA10200 04451556 CORD HOOK MNP 04128090 D R-KNOB L-ELA MNP 04124278 S-KNOB 04124301 PROTECTOR PC CARD 04124267 J R-KNOB SF-ELA BLK/SLV 04122867... -
Page 7: Exploded View (2)
Apr. 2006 JUNO-G/JUNO-G (J) Exploded View (2) fig.heimen View 1 View 2 View 3... -
Page 8: Exploded View (2) Parts List
Apr. 2006 JUNO-G/JUNO-G (J) fig.heimen Rear Bottom Exploded View (2) Parts List Parts Code Parts Name Description Q'ty 40012956 SCREW M3X8 PAN MACHINE W/SW+PW FE BZC 40011312 SCREW 3X8 BINDING TAPTITE P BZC 40340812 SCREW M3X10 PAN MACHINE W/SW BZC 40454856 SCREW M4X10 BINDING NI... -
Page 9: Keyboard Parts List
Apr. 2006 JUNO-G/JUNO-G (J) Keyboard Parts List fig.keys 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 NATURAL KEY A... -
Page 10: Parts List
Apr. 2006 JUNO-G/JUNO-G (J) Parts List CASING 01343089 ESCUTCHEON D-BEAM CONTROLLER ESCT 04124290 PC CARD ESCUTCHEON BLK MNP 04124212 BOTTOM CASE 04128778 DISPLAY COVER 04124245 EXPANSION COVER 04124223 SIDE PANEL L 04124234 SIDE PANEL R 04122867 TOP PANEL CHASSIS 03671278 METAL HOLDER FOR SIDE PANEL 04124256... - Page 11 Apr. 2006 JUNO-G/JUNO-G (J) DIODE 15019126 SWITCHING DIODE 1SS133 T-77 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27 on PANEL-A D28, D29, D30, D31, D32, D33, D34, D35, D36, D37, D38, D39 on PANEL-B POTENTIOMETER 02781390...
- Page 12 Apr. 2006 JUNO-G/JUNO-G (J) MISCELLANEOUS 00673067 PWB SPACER WLS-04-0 40016534 INSULOK TIE 204M/M T-18L 12359137 RUBBER FOOT SJ-5012 BLK 01902756 PWB SPACER RSPS-12L 02019034 PWB SPACER RSPLS-12L 40122812 ACETATE TAPE NITTO NO.5 BLK W15MM 30M 12199584 GROUNDING TERMINAL M1698 02230578 LED SPACER LDS-50R 12169368...
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Page 13: Wiring Diagram
Apr. 2006 JUNO-G/JUNO-G (J) Wiring Diagram fig.wiring_85 Panel A Board CN5 (Audio) CN2 (D-BEAM) CN1 (SW & LED) 6pin 2.0mm PHR 8pin 2.0mm PHR 24pin 1.25mm FPC CN4 (SW & LED) CN2 (Audio) CN13 (D-BEAM) 24pin 1.25mm FPC 6pin 2.0mm PHR 8pin 2.0mm PHR Jack Board CN6 (Keyboard) -
Page 14: Checking Version Number
Apr. 2006 JUNO-G/JUNO-G (J) Checking Version Number Data Save (User Backup) Turn on the power of the JUNO-G. Saves all of user data in the User Area to a memory card. User data which are saved by this procedure are as follows. Press the [MENU] button in EDIT section on the top panel. -
Page 15: Data Load (User Restore)
1. Format the memory card by the PC. Copy the “Roland” folder with its contents in the UPDATE CD-ROM to the memory card. Release the connection of the PC and the card reader/writer by device eject button shown in the taskbar at the lower right of the PC screen. -
Page 16: Test Mode
Apr. 2006 JUNO-G/JUNO-G (J) Preparation of Test Insert the memory card to the JUNO-G which power is turned off. Turn on the power of the JUNO-G. Turn off the power of JUNO-G. Updating starts automatically. When message “- Completed!” appears in the screen, updating is Remove the cover on the bottom and set the memory (DIMM) and the completed. - Page 17 Apr. 2006 JUNO-G/JUNO-G (J) Test Items 2. Device Checks every device. In Test Mode, there are eighteen test items as follows. The following messages appears in the screen and nine test items are Version Check automatically executed. Device fig.08 DIMM Expansion Board Card Encoder...
- Page 18 Apr. 2006 JUNO-G/JUNO-G (J) 5. Card 8. Switch2 Checks connectors of the PC card and the peripheral circuit. Checks the function of switches without LED. When entering the Card test, the following message appears in the screen. When entering the Switch2 test, the following message appears in the screen. fig.11 fig.15 Insert the PC card prepared previously to the card slot.
- Page 19 Apr. 2006 JUNO-G/JUNO-G (J) All Over 11. Mute fig.19 Checks the muting circuit. When entering the Mute test, the following message appears in the screen and the built-in demo song starts to play. fig.22 Nothing fig.20 Rotate the VOLUME knob toward the MAX position slowly, confirm the sound is outputted from the PHONES jack.
- Page 20 Apr. 2006 JUNO-G/JUNO-G (J) Step 2/4 INPUT (LINE), OUTPUT A Step 4/4 INPUT (MIC), OUTPUT A Checks the AUDIO INPUT, OUTPUT A and AUDIO INPUT LEVEL knob. Checks the MIC input. The following message appears in the screen. The following message appears in the screen. fig.25 fig.27 Connect an oscillator to the AUDIO INPUT L and R jacks, and connect an...
- Page 21 Apr. 2006 JUNO-G/JUNO-G (J) 15. D Beam 17. Noise Checks the D BEAM controller. Checks the residual noise with a noise meter. When entering the D BEAM test, the following message appears in the screen. The following message appears in the screen. fig.29 fig.31 Adjust the Sens value with the VALUE dial or [INC]/[DEC] buttons to meet...
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Page 22: Block Diagram
Apr. 2006 JUNO-G/JUNO-G (J) Block Diagram fig.block... -
Page 23: Circuit Board (Main Board: 1/2)
Apr. 2006 JUNO-G/JUNO-G (J) Circuit Board (MAIN Board: 1/2) fig.board-main-components_60... -
Page 24: Circuit Board (Main Board: 2/2)
Apr. 2006 JUNO-G/JUNO-G (J) Circuit Board (MAIN Board: 2/2) fig.board-main-solder_60... -
Page 25: Circuit Board (Jack, Panel-C, Lcd Board: 1/2)
Apr. 2006 JUNO-G/JUNO-G (J) Circuit Board (JACK, PANEL-C, LCD Board: 1/2) fig.board-jack-panel-C-1_70... -
Page 26: Circuit Board (Jack, Panel-C, Lcd Board: 2/2)
Apr. 2006 JUNO-G/JUNO-G (J) Circuit Board (JACK, PANEL-C, LCD Board: 2/2) fig.board-jack-panel-C-2_70... -
Page 27: Circuit Board (Panel-A, B Board)
Apr. 2006 JUNO-G/JUNO-G (J) Circuit Board (PANEL-A, B Board) fig.board-panel-AB_75... - Page 28 Apr. 2006 JUNO-G/JUNO-G (J)
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Page 29: Circuit Diagram (Main Board: 1/4)
Apr. 2006 JUNO-G/JUNO-G (J) Circuit Diagram (MAIN Board: 1/4) fig.diagram-main-1@L D[31..0] D[31..0] BD[15..0] A[25..0] BA[15..0] A[25..0] BA[15..0] EEPDO RA90 HD6417706F133 XWE3 WE3/DQMUU/ICIOWR/PTC[2] XWE0 XWE2 WE2/DQMUL/ICIORD/PTC[1] DQ15/A-1 XWE1 XWE1 BS/PTC[0] RA6 33 DQ14 XWE2 XWE0 WE1/DQMLU/WE DQ13 XWE3 BA15 WE0/DQMLL DQ15 DQ12 RD/XWR RD/XWR... -
Page 30: Circuit Diagram (Main Board: 2/4)
Apr. 2006 JUNO-G/JUNO-G (J) Circuit Diagram (MAIN Board: 2/4) fig.diagram-main-2@L VR1A YKF45-0021 RK09K111@ To LCD UNIT 04128767 RA92 RA93 CN12 Panel-C IC64 RA94 100 Board LCDD7 LCDD6 C421 LCDD5 LCDD4 LCDD3 10/16 LCDD2 CN15 CN13 BA[14..1] LCDD1 LCDD0 RA95 100 XLCDCS N1608Z@T01 BA14... -
Page 31: Circuit Diagram (Main Board: 3/4)
Apr. 2006 JUNO-G/JUNO-G (J) Circuit Diagram (MAIN Board: 3/4) fig.diagram-main-3@L IC41 EEE-A@SP EEE-A@SP DA10 DD31 C143 A10/AP DQ15 C142 100/6.3 + 3.3 DD30 100/6.3 DQ14 DD29 DQ13 C144 0.1 C145 0.1 DD28 DQ12 C146 C147 IC67 DD27 DQ11 C148 0.1 C149 0.1 DD26 DQ10... -
Page 32: Circuit Diagram (Main Board: 4/4)
Apr. 2006 JUNO-G/JUNO-G (J) Circuit Diagram (MAIN Board: 4/4) fig.diagram-main-4@L R231 C254 R232 R233 DA204UT106(PB-FREE) 4.7k 10/16 R234 AUDIO_IN_L R237 R238 AINL+ 100k R358 DA204UT106(PB-FREE) IC53A IC53B C257 4.7k M5218AFP M5218AFP ECHU@ C251 1000p R239 10/16 AINL- R359 C252 4.7k R242 R244 4.7k... -
Page 33: Circuit Diagram (Jack Board: 1/2)
Apr. 2006 JUNO-G/JUNO-G (J) Circuit Diagram (JACK Board: 1/2) fig.diagram-jack-1@L From MainBoard CN11 5.6K 2SA1037AKT146R R239 NIU B12B-PH-K-S B6B-PH-K-S VR1B RK09K12A@ R240 10/16 02781390 MCR50J MCR50J N1608Z DAN202U 100/16 MIC_SW_J PHONES OUT IC1C 100/16 MIX_OUT_SEND_R EEE-A@WP 10/16 M5218AFP R241 IC2A MIX_OUT_SEND_L M5218AFP 100/16... -
Page 34: Circuit Diagram (Jack Board: 2/2)
Apr. 2006 JUNO-G/JUNO-G (J) Circuit Diagram (JACK Board: 2/2) fig.diagram-jack-2@L IC10 UPC29L33T 10/16 10/16 C98 0.1 C100 0.1 R104 IC11 R105 KSMTXD_J SC17 PR17 SC16 PR16 SC15 PR15 SC14 PR14 SC13 PR13 SC12 PR12 SC11 PR11 SC10 PR10 KSMTXD_J KSMTXD_J TXEN SMOD POLA... -
Page 35: Circuit Diagram (Panel-A Board)
Apr. 2006 JUNO-G/JUNO-G (J) Circuit Diagram (PANEL-A Board) fig.diagram-panel-A@L C1 100/6.3 SSD2 SSD1 SSD0 SKRGADD010 SKRGADD010 SKRGADD010 SKRGADD010 SKRGADD010 SKRGADD010 1SS133 1SS133 1SS133 1SS133 1SS133 1SS133 1SS133 SKRGADD010 SW10 SW11 SW12 SW13 SW14 SKRGADD010 SKRGADD010 SKRGADD010 SKRGADD010 SKRGADD010 SKRGADD010 SKRGADD010 1SS133 1SS133 1SS133... -
Page 36: Circuit Diagram (Panel-B Board)
Apr. 2006 JUNO-G/JUNO-G (J) Circuit Diagram (PANEL-B Board) fig.diagram-panel-B@L From Panel C Board CN12 100/6.3 1SS133 1SS133 1SS133 1SS133 1SS133 1SS133 SSD4 SSD3_B SSD2_B SSD1_B SW22 SW23 SW24 SW25 SW26 SW27 SSD0_B SD6_B SD5_B SKRGADD010 SKRGADD010 SKRGADD010 SKRGADD010 SKRGADD010 SKRGADD010 SD4_B SD3_B SW28... -
Page 37: Circuit Diagram (Panel-C Board: 1/2)
Apr. 2006 JUNO-G/JUNO-G (J) Circuit Diagram (PANEL-C Board: 1/2) fig.diagram-panel-C-1@L CN11 To Starter BUSY CLK1 SUB_RXD1 For development WRITE XRST_DBG C166 C167 CNVSS SUB_TXD1 DAN202U DAN202U IC21C PS-10PE-D4T1-PN1 C177 IC13 MPX_B_AD R120 MPX_B_AD P10-7/AN7/KI3 MPX_Y_AD R121 MPX_Y_AD P10-6/AN6/KI2 MPX_X_AD R122 MPX_X_AD P10-5/AN5/KI1 P0-7/AN0-7... -
Page 38: Circuit Diagram (Panel-C Board: 2/2)
Apr. 2006 JUNO-G/JUNO-G (J) Circuit Diagram (PANEL-C Board: 2/2) fig.diagram-panel-C-2@L VR2A VR3A VR4A VR5A VR9A VR10A VR11A VR12A EVUF2K@ EVUF2K@ EVUF2K@ EVUF2K@ RS30111A@ RS30111A@ RS30111A@ RS30111A@ 02455223 02455223 02455223 02455223 04233478 04233478 04233478 04233478 IC16 TC74HC4051AF R167 100 R168 100 R169 100 R170 100 R171 100... -
Page 39: Error Messages
Memory Damaged! The contents of memory may have been damaged. Please perform the Factory Reset operation. If this does not resolve the problem, please contact your dealer or the nearest Roland Ser- vice Center. Memory Full! Saving is not possible because there is insufficient space in the Delete unneeded data. - Page 40 Apr. 2006 JUNO-G/JUNO-G (J)
- Page 41 Apr. 2006 JUNO-G/JUNO-G (J) MEMO...