Yamaha PortableGrand DGX-520 Service Manual
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Yamaha PortableGrand DGX-520 Service Manual

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Table of Contents

PK
001759
/
SERVICE MANUAL
CONTENTS
SPECIFICATIONS .................................................................... 3
PANEL LAYOUT ........................................................................ 4
CIRCUIT BOARD LAYOUT & WIRING ..................................... 6
BLOCK DIAGRAM .................................................................... 8
DISASSEMBLY PROCEDURE ................................................. 9
LSI PIN DESCRIPTION .......................................................... 14
IC BLOCK DIAGRAM .............................................................. 17
CIRCUIT BOARDS ................................................................. 18
TEST PROGRAM ................................................................... 26
INITIALIZATION ...................................................................... 30
USER DATA BACKUP............................................................. 31
MIDI IMPLEMENTATION CHART ........................................... 35
MIDI DATA FORMAT ............................................................... 36
PARTS LIST
OVERALL CIRCUIT DIAGRAM
Copyright (c) Yamaha Corporation. All rights reserved. PDF
DGX-520
YPG-525
HAMAMATSU, JAPAN
...
...'06.03

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  • Page 1 CIRCUIT BOARDS ..............18 TEST PROGRAM ..............26 INITIALIZATION ..............30 USER DATA BACKUP............. 31 MIDI IMPLEMENTATION CHART ........... 35 MIDI DATA FORMAT ............... 36 PARTS LIST OVERALL CIRCUIT DIAGRAM 001759 HAMAMATSU, JAPAN ...’06.03 Copyright (c) Yamaha Corporation. All rights reserved. PDF...
  • Page 2 IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and have therefore not been restated.
  • Page 3 • 150 Preset Styles + 1 User Style File • Style Control: ACMP ON/OFF, SYNC STOP, SYNC START, Power Supply START/STOP, INTRO/ENDING/rit., • Adaptor: Yamaha PA-5D AC power adaptor MAIN/AUTO FILL Dimensions (W x D x H) • Fingering: Multi Finger, Full Keyboard 1,340 x 422 x 145 mm (52-3/4"...
  • Page 4 DGX-520/YPG-525 ■ PANEL LAYOUT • Front Panel • Front Panel q [STANDBY/ON] switch !4 [REPEAT & LEARN]/ [ACMP ON/OFF] button w [MASTER VOLUME control !5 [A-B REPEAT]/[INTRO/ENDING/rit.] button !6 [REW]/[MAIN/AUTO FULL] button e FILE CONTROL [MENU], [EXECUTE] button !7 [FF]/[SYNC STOP] button r [LYRICS] button t [SCORE] button !8 [PAUSE]/[SYNC START] button...
  • Page 5 DGX-520/YPG-525 Rear Panel • Rear Panel @4 Dial #5 CONTRAST knob @5 CATEGORY[ #6 USB TO DEVICE, TO HOST terminals ] and [ ] buttons @6 Number buttons [0]–[9],[+] and [-] buttons #7 SUSTAIN jack @7 [DEMO] button #8 PHONES/OUTPUT jack @8 [EXIT] button #9 DC IN 12V jack @9 REGIST MEMORY [MEMORY/BANK], [1], [2] buttons...
  • Page 6 DGX-520/YPG-525 ■ CIRCUIT BOARDS LAYOUT & WIRING • Upper case display Speaker Speaker (Tweeter (L)) MVR PNL (Tweeter (R)) 4 14 DJACK • Lower case Speaker Speaker RELAY (Woofer (R)) (Woofer (R)) MK-88L MK-88C MK-88H...
  • Page 7 DGX-520/YPG-525 Location Part No. Connector Assembly Destination Remarks Flexible flat cable DM-CN201 *4 LCD WG317700 Flexible flat cable DM-CN301 *4 DJACK-CN301 *1 WG317600 Flexible flat cable DM-CN601 *4 PNL-CN01 WG317800 Flexible flat cable DM-CN602 *4 PNR-CN02 WG318200 Flexible flat cable DM-CN701 *4 RELAY-CN01 WG317900...
  • Page 8 SUSTAIN TO DEVICE TO HOST CONTRAST BACK LIGHT VR301 PITCH BEND DJACK JK301 JK303 JK302 VR401 STANDBY/ON DISPLAY 320 X 240 SW501 CN301(14P) CN501(4P) CN103(3P) CN102(2P) CN101(4P) CN301(14P) CN201(14P) +29V XD0-3 IC102(3P) YD,LP DC/DC 6MHz +21~27V XCSL,WF DATA ENTRY CONTROLLER CONVERTER X301 IC902 (3P)
  • Page 9 DGX-520/YPG-525 ■ DISASSEMBLY PROCEDURE Caution: 1) Flat cable’s contacts are visible from the back. Pay attention not to insert and install the cable to the connector inversely. (Fig.1) 2) Be sure to attach the removed filament tape just as it was before removal. Lower Case Assembly (Time required: About 9 minutes) Remove the twenty (20) screws marked [470].
  • Page 10 DGX-520/YPG-525 DM Circuit Board (Time required: About 10 minutes) Remove the lower case assembly. (See procedure 1.) Remove the four (4) screws marked [440A]. The DM circuit board can then be removed. (Fig.4) Speaker Speaker (Tweeter(R)) [440A] [440D] [440E] (Tweeter(R)) [440B] [440B] [440C]...
  • Page 11 DGX-520/YPG-525 [440H] [440G] [440K] [440I] DJACK Upper Case (Fig.5) [440]: Bind Head Tapping Screw-B 3.0X8 MFZN2W3 (WE774300) ENC Circuit Board MVR Circuit Board (Time required: About 10 minutes) (Time required: About 10 minutes) Remove the lower case assembly. (See procedure 1.) 10-1 Remove the lower case assembly.
  • Page 12 DGX-520/YPG-525 PNL Circuit Board (Time required: About 12 minutes) 11-1 Remove the lower case assembly. (See procedure 1.) 11-2 Remove the AM circuit board. (See procedure 5.) 11-3 Remove the ten (10) screws marked [440F]. The PNL circuit board can then be removed. (Fig.8) [440J] [440F] LCD Unit...
  • Page 13 DGX-520/YPG-525 RELAY Circuit Board MK-88L, MK-88C, MK-88H Circuit Boards (Time required: About 10 minutes) (Time required: About 16 minutes) 14-1 Remove the lower case assembly. (See procedure 1.) 16-1 Remove the lower case assembly. (See procedure 1.) 14-2 Remove the four (4) screws marked [90]. The RELAY 16-2 Remove the A-1 to B2 white/black keys.
  • Page 14 DGX-520/YPG-525 ■ LSI PIN DESCRIPTION YMW767-VTZ (X6055A00) CPU ..........14 S1D13700F01A100 (X5422A00) LCD CONTROLLER ... 15 PD789022GB-A15-8E (XZ560100) CPU ........ 15 ISP1161A1BD (X5879A00) USB CONTROLLER ....16 AK4385ET (X6040A00) DAC ..........16 YMW767-VTZ (X6055A00) CPU DM: IC101 NAME FUNCTION NAME FUNCTION TESTN Input for TEST...
  • Page 15 DGX-520/YPG-525 S1D13700F01A100 (X5422A00) LCD CONTROLLER DM:IC201 NAME FUNCTION NAME FUNCTION Ground Ground AB12 XCD1 Drain output AB11 XCG1 Gate input AB10 Address bus RESET# Reset SCANEN Test mode set up input TESTEN HIOVDD Power supply CLKI Externally sourced system clock COREVDD Power supply Read strobe...
  • Page 16 DGX-520/YPG-525 ISP1161A1BD (X5879A00) USB CONTROLLER DM: IC301 NAME FUNCTION NAME FUNCTION DGND Digital ground NDP_SEL Indicates to the HC EOT input DGND Digital ground D_SUSPEND DC 'suspend' state output DATA bus D_WAKEUP DC wake-up input GoodLink LED output D_VBUS DC USB input DGND Digital ground H_WAKEUP...
  • Page 17 DGX-520/YPG-525 ■ IC BLOCK DIAGRAM SN74LV32APWR (X5647A00) SN74AHCT1G08DCKR (X0158A00) NJM4580E(TE2) (X2331A00) Quad 2 Input OR Dual Operational Amplifier 74V1T08CTR (X7542A00) Single 2-Input Positive-AND Gate DM:IC805 DM: IC402 DM: IC103,104 +DC Voltage Output A Supply Inverting Output B Input A Non-Inverting Inverting Input A Input B...
  • Page 18 DGX-520/YPG-525 ■ CIRCUIT BOARDS CONTENTS AM Circuit Board (X7135B0) ......... 20 DJACK Circuit Board (X7135B0) ........20 DM Circuit Board (X7136C0) ........19 ENC Circuit Board (X7135B0) ........23 MK-88C Circuit Board (X0001A0) ......... 25 MK-88H Circuit Board (X0000A0) ......... 24 MK-88L Circuit Board (X0002A0) ........
  • Page 19 DGX-520/YPG-525 DM Circuit Board ● to AM-CN104 to PNR-CN02 to PNL-CN01 to LCD Unit to RELAY-CN01 to DJACK-CN301 Component Side Pattern Side 2NA-WG25920 1 Note: See parts list for details of circuit board component parts.
  • Page 20 DGX-520/YPG-525 AM Circuit Board ● to Speaker PHONES to Backlight assembly to DM-CN901 (Woofer) to TW(R) to TW(L) /OUTPUT to MVR-CN601 to PB-CN401 to PSW-CN501 DC IN 12V Component Side 0.5 -1.0mm A nonwoven fabric does not overflow To pile it up in the upper side, it is pasted. from the end of a jack.
  • Page 21 DGX-520/YPG-525 PNL Circuit Board ● ACMP INTRO/ ON/OFF ENDING/rit. STYLE SONG REPEAT & LEARN REPEAT METRONOME TEMPO/ ON/OFF LYRICS SCORE PIANO ACMP P.A.T. ON/OFF MUSIC DATABASE MENU EXECUTE FILE CONTROL NTRO/ MAIN/ SYNC SYNC DING/rit. AUTO FILL STOP START START/ REPEAT PAUSE STOP...
  • Page 22 DGX-520/YPG-525 PNR Circuit Board ● SPLIT BANK VOICE RESIST PORTABLE EXIT MEMORY GRAND SPLIT ON/OFF CATEGORY CATEG DOWN VOICE STYLE EASY SONG ARRANGER SONG to ENC-CN901 to DM-CN602 SPLIT DUAL HARMONY VOICE VOICE TYPE ABLE SPLIT DUAL HARMONY ON/OFF ON/OFF ON/OFF CATEGORY -/NO...
  • Page 23 DGX-520/YPG-525 ENC Circuit Board MVR Circuit Board ● ● Rotary Encoder MASTER VOLUME to PNR-CN3 Component Side Component Side to AM-CN204 PSW Circuit Board PB Circuit Board ● ● STANDBY/ON to AM-CN103 Component Side to AM-CN101 Component Side TW (L) Circuit Board TW (R) Circuit Board ●...
  • Page 24 DGX-520/YPG-525 MK-88H Circuit Board ● to MK-88C to RELAY -CN05 Pattern Side MK-88L Circuit Board ● to RELAY-CN03 to MK-88C Pattern Side MK-88H :2LPK8-X0000A0 MK-88L :2LPK8-X0002A0 Note: See parts list for details of circuit board component parts.
  • Page 25 DGX-520/YPG-525 MK-88C Circuit Board ● to MK-88L to RELAY-CN02 to RELAY-CN02 to RELAY-CN04 to MK-88H Pattern Side 2LPK8-X0001A0 Note: See parts list for details of circuit board component parts.
  • Page 26 3) Jigs: Foot switch (FC-4 or FC-5), USB cable, USB memory, USB-MIDI driver (*1) PC (Install a USB-MIDI driver (*1) in PC and finish the THROUGH setup.) *1 Obtain the USB-MIDI driver from CD-ROM (X7225A00) for DGX-520/YPG-525 or Yamaha official website. (URL>>http://www.yamahapkclub.com) HOW TO ENTER THE TEST PROGRAM While pressing the C2#, F2 and G2# keys, turn the [STANDBY/ON] switch on.
  • Page 27 DGX-520/YPG-525 TEST No. LCD Display Test Descriptions, Judgment Criteria 003 Ram Chk1 Checks the RAM that is connected to the CPU. (OK:“Ram OK”, NG:“Ram NG”) The test results appear on the LCD. Check that the LCD displays “Ram OK”. 006 Flash Rom Chk1 Checks the flash ROM that is connected to CPU bus.
  • Page 28 DGX-520/YPG-525 TEST No. LCD Display Test Descriptions, Judgment Criteria 033 Pitch Bend Chk Checks the pitch bend wheel. (First, it checks if the center position of the wheel is correct or not.) Check that the C3 note is output when rotating the [PITCH BEND] wheel to minimum and the C4 note is output when rotating it to maximum.
  • Page 29 DGX-520/YPG-525 Table 1 SW Name Display Note No. DIAL UP Dial Up DIAL DOWN Dial Down FILE MENU File Menu FILE EXCUTE File Excute P.A.T. P. A.T. Music Data Base MusicDataBase FUNCTION Function LYRICS Lyrics SCORE Score Chord Finger Chord Finger LESSON L Lesson L LESSON R...
  • Page 30 DGX-520/YPG-525 ■ INITIALIZATION This function erases all backup data in the instrument's flash memory and restores the initial default settings. The following initialization procedures are provided. Backup Clear To clear data backed up to the internal flash memory-panel user setting, registration memory, user songs, style file-turn the power on by pressing the [STANDBY/ON] switch while holding the highest white key on the keyboard.
  • Page 31 DGX-520/YPG-525 ■ USER DATA BACKUP To backup user data to an external device, use a USB flash memory. Refer to the following for the data you can backup using it. * User Songs * Style Files * Registration Memory Data Connecting a USB Flash Memory Connect a USB flash memory to the USB TO Check that the file control icon is shown in the...
  • Page 32 DGX-520/YPG-525 Formatting USB Flash Memory New USB flash memory must be formatted before they can be used by this instrument. Press the [EXECUTE] button again, or the [+] CAUTION button, and the format operation will begin. If you format a USB flash memory that already contains data, all of the data will be erased.
  • Page 33 DGX-520/YPG-525 Saving Data Three types of data are saved to one 'User File' by this operation: user song, style file, and registration memory data. When you save a user song the style file and registration memory are also saved automatically. Make sure that a properly formatted USB flash memory has been properly connected to the instrument's USB TO DEVICE terminal, and that...
  • Page 34 DGX-520/YPG-525 Loading User Files and Style Files User files, style files, and styles residing on a USB flash memory can be loaded into the instrument. If the required style file has already been transferred to the instrument from a computer using the Musicsoft Downloader application, start from step 2, below.
  • Page 35 DGX-520/YPG-525 ■ MIDI IMPLEMENTATION CHART YAMAHA [ Portable Grand ] Date:17-NOV-2005 Model DGX-520 / YPG-525 MIDI Implementation Chart Version:1.0 Transmitted Recognized Remarks Function... Basic Default 1 - 16 1 - 16 Channel Changed Default Mode Messages Altered ************** Note 0 - 127...
  • Page 36 DGX-520/YPG-525 ■ MIDI DATA FORMAT NOTE: <MIDI Master Tuning> F0H, 43H, 1nH, 27H, 30H, 00H, 00H, 1 By default (factory settings) the instrument ordinarily functions mm, ll, cc, F7H as a 16-channel multi-timbral tone generator, and incoming • This message simultaneously changes the tuning value of data does not affect the panel voices or panel settings.

  • Page 37: Table Of Contents

    PARTS LIST CONTENTS OVERALL ASSEMBLY ..........2 STAND ASSEMBLY ........... 5 LOWER CASE ASSEMBLY ........6 KEYBOARD ASSEMBLY .......... 8 FOOT PEDAL ............10 ELECTRICAL PARTS ..........11 Note) DESTINATION ABBREVIATIONS Australian model South African model British model Chinese model Canadian model South-east Asia model German model...

  • Page 38: Overall Assembly

    DGX-520/YPG-525 ■ OVERALL ASSEMBLY Upper case assembly Music rest U70a U120 U130 U140 U70b U80b U70a U100 U130 U80a U110 340b U90b 340a Wheel assembly U90a 290a U110 270a Lower case assembly See page 6.
  • Page 39 DGX-520/YPG-525 PART NO. DESCRIPTION REMARKS 部 品 名 REF NO. QTY RANK OVERALL ASSEMBLY DGX-520/YPG-525 総 組 立 Overall Assembly 総 組 立 DGX-520 (WF83810) Overall Assembly 総 組 立 YPG-525 (WG39910) WF839600 Upper Case Assembly DGX-520 上 ケ ー ス Ａ ｓ ｓ ｙ...
  • Page 40 DGX-520/YPG-525 PART NO. DESCRIPTION REMARKS 部 品 名 REF NO. QTY RANK WG337200 Speaker Grille R RIGHT Ｓ Ｐ グ リ ル Ｒ 塗 装 品 Nonwoven Fabric Cloth 460X6X0.35 不 織 布 Ｓ Ｐ − Ｇ Ｒ Ｉ Ｌ (WH19830) WG338600 KB Holder Assembly...

  • Page 41: Stand Assembly

    DGX-520/YPG-525 ■ STAND ASSEMBLY 250b 250a 250b 270b 250b 250b 270a 250a 270b 270a PART NO. DESCRIPTION 部 品 名 REMARKS REF NO. QTY RANK STAND ASSEMBLY ス タ ン ド Ａ ｓ ｓ ｙ DGX-520/YPG-525 Stand Assembly ス タ ン ド Ａ ｓ ｓ ｙ...

  • Page 42: Lower Case Assembly

    DGX-520/YPG-525 ■ LOWER CASE ASSEMBLY Keyboard assembly See page 8. 100a 100c 100b Lower case sub assembly...
  • Page 43 DGX-520/YPG-525 PART NO. DESCRIPTION REMARKS 部 品 名 REF NO. QTY RANK LOWER CASE ASSEMBLY DGX-520/YPG-525 下 ケ ー ス Ａ ｓ ｓ ｙ Lower Case Assembly 下 ケ ー ス Ａ ｓ ｓ ｙ (WF83980) WF839900 Lower Case Sub Assembly 下...

  • Page 44: Keyboard Assembly

    DGX-520/YPG-525 ■ KEYBOARD ASSEMBLY MK circuit board assembly Lower case...
  • Page 45 DGX-520/YPG-525 PART NO. DESCRIPTION REMARKS 部 品 名 REF NO. QTY RANK KEYBOARD ASSEMBLY DGX-520/YPG-525 １ ６ Ｎ − Ａ ８ ８ 鍵 盤 Keyboard Assembly 16N-A88 P2M I １ ６ Ｎ − Ａ ８ ８ 鍵 盤 (WG30490) V7380300 White Keys 16N-P CEGB 白...

  • Page 46: Foot Pedal

    DGX-520/YPG-525 ■ FOOT PEDAL PART NO. DESCRIPTION 部 品 名 REMARKS REF NO. QTY RANK FOOT PEDAL フ ッ ト ペ ダ ル DGX-520/YPG-525 Foot Pedal IN PLASTIC BAG フ ッ ト ペ ダ ル (VJ07000) AA812880 Upper Pedal Cover ペ...

  • Page 47: Electrical Parts

    DGX-520/YPG-525 ■ ELECTRICAL PARTS PART NO. DESCRIPTION REMARKS 部 品 名 REF NO. QTY RANK ELECTRICAL PARTS DGX-520/YPG-525 電 気 部 品 WG258300 Circuit Board Ａ Ｍ シ ー ト (WG25900)(X7135B0) WG258400 Circuit Board DJACK Ｄ Ｊ Ａ Ｃ Ｋ シ ー ト (WG25900)(X7135B0) WG258800 Circuit Board...
  • Page 48 DGX-520/YPG-525 PART NO. DESCRIPTION REMARKS 部 品 名 REF NO. QTY RANK VM902400 Semiconductive Cera.Cap. C210 0.1000 25V Z FORM. 半 導 体 セ ラ コ ン   天 津 UR867100 C211 Electrolytic Cap. 10.00 50.0V RX TP ケ ミ コ...
  • Page 49 DGX-520/YPG-525 PART NO. DESCRIPTION REMARKS 部 品 名 REF NO. QTY RANK VT279200 L304 Coil DX001-20UH TATEJI コ イ ル   ２ ０ Ｕ   天 津 VB835000 Coil L305 FL05RD200AT TATETE コ イ ル   ２ ０ Ｕ VT279200 Coil L305 DX001-20UH TATEJI...
  • Page 50 DGX-520/YPG-525 PART NO. DESCRIPTION REMARKS 部 品 名 REF NO. QTY RANK US064100 C404 Ceramic Capacitor-B (chip) 0.0100 50V K RECT. チ ッ プ セ ラ （ Ｂ ） US063270 Ceramic Capacitor-B (chip) C405 2700P 50V K RECT. チ ッ プ セ ラ （ Ｂ ） US063270 Ceramic Capacitor-B (chip) C406...
  • Page 51 DGX-520/YPG-525 PART NO. DESCRIPTION REMARKS 部 品 名 REF NO. QTY RANK X4025D00 IC803 MX29LV800CBTC-70G Ｉ Ｃ X7234A00 IC803 S29AL008D70TFI020H Ｉ Ｃ X3860A00 IC804 MSM51V18165F-60T3K Ｉ Ｃ X4027A00 IC804 MSM51V18165F-50T3K DRAM 16M Ｉ Ｃ X4028A00 IC804 GLT4160L16P-45TC Ｉ Ｃ X5647A00 IC805 SN74LV32APWR Ｉ...
  • Page 52 DGX-520/YPG-525 PART NO. DESCRIPTION REMARKS 部 品 名 REF NO. QTY RANK RD356100 R604 Carbon Resistor (chip) 1.0K 63M J RECT. チ ッ プ 抵 抗 RD355100 Carbon Resistor (chip) R701 100.0 63M J RECT. チ ッ プ 抵 抗 RD355100 Carbon Resistor (chip) -703...
  • Page 53 DGX-520/YPG-525 PART NO. DESCRIPTION REMARKS 部 品 名 REF NO. QTY RANK WG200800 Circuit Board RELAY (WG20090)(X7138B0) Ｒ Ｅ Ｌ Ａ Ｙ シ ー ト VA078900 Jumper Wire 0.55 TIN ジ ャ ン パ ー 線 CN01 WC338900 FFC Connector 52806 27P TE Ｆ...
  • Page 54 <Page1> I DGX-520/YPG-525 OVERALL CIRCUIT DIAGRAM (AM, DJACK, DM, MVR, PB, PSW, TW) DGX-520/YPG-525 DC/DC RH5RZ25CA-T1-F (X3679A00) CONVERTER REGULATOR +2.5V to RELAY-CN01 DM:IC901 <Page2 K-3> 1. GND 2. INPUT BACK LIGHT 3. OUTPUT BA33BC0FP (X5889A00) CONTROLLER REGULATOR +3.3V DM: IC902 1.
  • Page 55 <Page2> I DGX-520/YPG-525 OVERALL CIRCUIT DIAGRAM (ENC, MK-88C, MK-88H, MK-88L, PNL, PNR, RELAY) DGX-520/YPG-525 RELAY REPEAT& LEARN MENU LESSON L TEMPO/TAP MEMORY 3 P.A.T FUNCTION PAUSE EXECUTE LYRICS LESSON R MEMORY MEMORY 4 A-B REPEAT START/STOP START/ STOP SCORE START MEMORY 1 MEMORY 5 P.A.T.

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