Yamaha Portable Grand DGX-220 Service Manual
  1. Manuals
  2. Brands
  3. Yamaha Manuals
  4. Electronic Keyboard
  5. Portable Grand DGX-220
  6. Service manual

Yamaha Portable Grand DGX-220 Service Manual

Hide thumbs Also See for Portable Grand DGX-220:
Table of Contents

Advertisement

Quick Links

See also: Owner's Manual
SERVICE MANUAL
DGX-220
YPG-225
CONTENTS
SPECIFICATIONS .................................................................... 3
PANEL LAYOUT ........................................................................ 4
CIRCUIT BOARD LAYOUT & WIRING ..................................... 6
BLOCK DIAGRAM .................................................................... 8
DISASSEMBLY PROCEDURE ................................................. 9
LSI PIN DESCRIPTION .......................................................... 15
IC BLOCK DIAGRAM .............................................................. 18
CIRCUIT BOARDS ................................................................. 19
TEST PROGRAM ................................................................... 29
INITIALIZATION ...................................................................... 33
USER DATA BACKUP............................................................. 34
MIDI IMPLEMENTATION CHART ........................................... 35
MIDI DATA FORMAT ............................................................... 36
PARTS LIST
OVERALL CIRCUIT DIAGRAM
PK
001761
HAMAMATSU, JAPAN
'06.04
Copyright (c) Yamaha Corporation. All rights reserved. PDF

Advertisement

Table of Contents
loading

Related Manuals for Yamaha Portable Grand DGX-220

Summary of Contents for Yamaha Portable Grand DGX-220

  • Page 1 CIRCUIT BOARDS ..............19 TEST PROGRAM ..............29 INITIALIZATION ..............33 USER DATA BACKUP............. 34 MIDI IMPLEMENTATION CHART ........... 35 MIDI DATA FORMAT ............... 36 PARTS LIST OVERALL CIRCUIT DIAGRAM 001761 HAMAMATSU, JAPAN ’06.04 Copyright (c) Yamaha Corporation. All rights reserved. PDF...

  • Page 2: Saving Data

    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: Specifications

    INTRO/ENDING/rit., MAIN/AUTO FILL • Fingering: Multi Finger, Full Keyboard Power Supply • Style Volume • Adaptor: Yamaha PA-5D AC power adaptor Music Database • Batteries: Six “D” size, R20P (LR20) or equivalent batteries • 267 Dimensions (W x D x H) Education Feature •...

  • Page 4: Panel Layout

    DGX-220/YPG-225 ■ PANEL LAYOUT • Front Panel !0 !1 !2 !3 !4 !5 • Front Panel q [STANDBY/ON] switch !2 [REW]/[MAIN/AUTO FILL] button w [MASTER VOLUME] control !3 [FF]/[SYNC STOP] button e [P.A.T. ON/OFF] button !4 [PAUSE]/[SYNC START] button r [MUSIC DATABASE] button...
  • Page 5 DGX-220/YPG-225 @6 @7 @8 • Rear Panel • Rear Panel #0 USB terminal @2 Number buttons [0]–[9],[+] and [-] buttons @3 [DEMO] button #1 SUSTAIN jack @4 REGIST MEMORY [MEMORY/BANK], [1], [2] buttons #2 PHONES/OUTPUT jack @5 [PORTABLE GRAND] button...
  • Page 6 DGX-220/YPG-225 ■ CIRCUIT BOARDS LAYOUT & WIRING • Upper case AMJK 4/6 PN 2/5 (AMJK 6/6) (Master Volume) (PN 3/5) (Rotary Encoder) (PN 1/5) (PN 4/6) (AMJK 1/6) (PN 5/6) DMLCD Black Black AMJK 5/6 (AMJK 3/6) (STANDBY/ON) • Lower case...
  • Page 7 DGX-220/YPG-225 Location Part No. Connector Assembly Destination Remarks WC601000 MK-76L-CN4 *5 DMLCD-CN401 WC601400 MK-76L-CN5 *5 DMLCD-CN404 WC601500 MK-76H-CN1 *5 DMLCD-CN405 WG332600 WH551 AM-CN551 *5 AM-CN552 WG332700 WH153 STB2 AM-CN153 *5 AM-CN154 WG342900 WH155 AMDM2 AM-CN155 *5 DMLCD-CN101 WH854 WG332500 USB-CN854...

  • Page 9: Disassembly Procedure

    DGX-220/YPG-225 ■ DISASSEMBLY PROCEDURE Lower Case Assembly(Time required: About 3 minutes) Remove the battery cover assembly. (Fig.1) Remove the sixteen (16) screws marked [180], the five (5) screws marked [390] and the ten (10) spacers marked [470]. The lower case assembly can then be removed. (Fig.1) <Bottom View>...
  • Page 10 DGX-220/YPG-225 Spring Terminal Spring Terminal (+) and (-) Remove the Lower case assembly. (See procedure 1.) Remove the battery harness soldered to the spring terminal (+) or (-). (Fig.2) Remove the hooks (two at each place) and pull out the spring terminal (+) or (-). (Fig.3, Fig.4) Spring Terminal Remove the Lower case assembly.
  • Page 11 DGX-220/YPG-225 TWL and TWR(PN 4/5, 5/5) Circuit Boards, Speaker (Tweeter) (Time required: About 4 minutes for Sponge each) Remove the lower case assembly. (See procedure Speaker (Tweeter) Remove two (2) screws marked [180A]. The TWL(PN 4/5, 5/5) circuit board can then be or ( removed.
  • Page 12 DGX-220/YPG-225 AM (AMJK 1/6), AMJK 4/6 and AMJK 5/6 Circuit Boards MASTER VOLUME (Time required: About 6 minutes) The AMJK 4/6 and AMJK 5/6 circuit boards are connected to the Cloth AM (AMJK 1/6) circuit board via wirings. Remove the lower case assembly. (See procedure 1.) Remove the master volume knob from the control panel.
  • Page 13 DGX-220/YPG-225 Speaker (Woofer) (Time required: About 4 minutes) Remove the lower case assembly. (See procedure 1.) Remove four (4) screws marked [200A], then remove the speaker (woofer). (Fig.11) Left and right speakers (woofers) can be removed in the same manner.
  • Page 14 DGX-220/YPG-225 MK-76L and MK-76H Circuit Boards (Time required: About 7 minutes for each) 11-1 Remove the lower case assembly. (See procedure 1.) 11-2 Remove the E0-B3 white/black keys. (See procedure 10.) Remove four (4) screws [220A] and nine (9) screws [220B]. The MK-76L circuit board and the key guide can then be removed.

  • Page 15: Lsi Pin Description

    DGX-220/YPG-225 ■ LSI PIN DESCRIPTION M38K07M4L-307HP (X5186100) CPU(USB) ......15 YMW767-VTZ (X6055A00) CPU ..........16 NT3881DFG-01 (X3148A00) LCD DRIVER ......17 AK4385ET (X6040A00) DAC ..........17 • M38K07M4L-307HP (X5186100) CPU (USB) DMLCD:IC802 NAME FUNCTION NAME FUNCTION Port P2 (In/output) /INT...
  • Page 16 DGX-220/YPG-225 YMW767-VTZ (X6055A00) CPU DMLCD: IC301 NAME FUNCTION NAME FUNCTION TESTN Input for TEST IOVDD IOVDD +3.3V PLLBPN PLL bypass select LBN/LWRN/PF6 External memory lower-byte enable PLLVDD PLLVDD +2.5V UBN/UWRN/PF7 External memory upper-byte enable Capacitor terminal for PLL RDN/PF4 External memory read enable...
  • Page 17 DGX-220/YPG-225 • NT3881DFG-01 (X3148A00) LCD DRIVER DMLCD:IC601 NAME FUNCTION NAME FUNCTION PIN NO. PIN NO. Data interface Segment signal output for LCD driving Common signal output for LCD driving Ground OSC1 Oscillator OSC2 Oscillator Power supply CLK1 Data latch clock...

  • Page 18: Ic Block Diagram

    DGX-220/YPG-225 ■ IC BLOCK DIAGRAM SN74LV32APWR (X5647A00) SN74LV138APWR (X7284A00) BA4510F-E2 (X7300A00) DECODER Quad 2 Input OR Dual Operational Amplifier DMLCD: IC401,402 DMLCD:IC207 DMLCD: IC502 +DC Voltage Select Output A Supply Inverting Output B Input A Inverting Non-Inverting Input B Input A...

  • Page 19: Table Of Contents

    DGX-220/YPG-225 ■ CIRCUIT BOARDS CONTENTS AM (AMJK 1/6) Circuit Board (X7176C0) ......... 22 AMJK 4/6 (Master Volume) Circuit Board (X7176C0) ...... 22 AMJK 5/6 (Standby/ON) Circuit Board (X7176C0) ......22 DMLCD Circuit Board (X7174C0) ............ 20 MK-76H Circuit Board (X2333F0) ............ 25 MK-76L Circuit Board (X2334F0) .............
  • Page 20 DGX-220/YPG-225 DMLCD Circuit Board ● to PN 3/5(PNL)-CN784 to PN 1/5(PNR)-CN781 Install it with this direction. Coil (WH469300) L803 Coil (WH469300) is attached to the pad of R817 and R818. to USB (AMJK 3/6)-J851 to MK-76L-CN4 to AMJK 3/6(USB)-CN874 Component Side...
  • Page 21 DGX-220/YPG-225 DMLCD Circuit Board ● Ceramic capacitor (C815) is soldered between 2 pin and 3 pin of CN802. Ceramic capacitor (C816) is soldered between 4 pin and 6 pin of CN802. C816 C815 Ceramic capacitor (C817) is soldered between 3 pin and 4 pin of CN802.

  • Page 22: Am (Amjk 1/6) Circuit Board (X7176C0)

    DGX-220/YPG-225 AM (AMJK 1/6) Circuit Board ● to PN 3/5-GND to LCD BACK LIGHT to AMJK 4/6-CN552 to PN 4/5,5/5(TWL) to DMLCD-CN101 to AMJK 5/6-CN154 to WOOFER L DC IN 12V PHONES/ Not installed to BATTERIES OUTPUT Component side AMJK 4/6 Circuit Board AMJK 5/6 Circuit Board ●...
  • Page 23 DGX-220/YPG-225 PNL(PN 3/5) Circuit Board ● to AMJK 6/6(PB)-CN855 to DMLCD-CN703 Component side Note: See parts list for details of circuit board component parts. PNL (PN 3/5): 2NA-WG23620...
  • Page 24 DGX-220/YPG-225 PNR (PN 1/5) Circuit Board ● SCALE:85/100 PN 2/5 Circuit Board ● to PN 1/5(PNR)-CN782 to PN 2/5-CN783 to DMLCD-CN701 DATA ENTRY Component side Component side PNR (PN 1/5) : 2NA-WG23620 Note: See parts list for details of circuit board component parts.

  • Page 25: Mk-76H Circuit Board (X2333F0)

    DGX-220/YPG-225 MK-76H Circuit Board ● Component side Note: See parts list for details of circuit board component parts.
  • Page 26 DGX-220/YPG-225 MK-76H Circuit Board ● Patterm side Note: See parts list for details of circuit board component parts.

  • Page 27: Mk-76L Circuit Board (X2334F0)

    DGX-220/YPG-225 MK-76L Circuit Board ● Component side Note: See parts list for details of circuit board component parts.
  • Page 28 DGX-220/YPG-225 MK-76L Circuit Board ● Patterm side Note: See parts list for details of circuit board component parts.

  • Page 29: Test Program

    3) Jigs: Foot switch (FC-4 or FC-5), USB cable, 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-220/YPG-225 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 30 DGX-220/YPG-225 TEST No. Test Descriptions, Judgment Criteria LCD Display Checks the flash ROM that is connected to CPU bus. 006 FRomChk1 The check result appears on the LCD. Check that the LCD displays "FRom OK". (OK:"FRom OK", NG:"FRom NG") Outputs the sine wave by changing the channels in sequence from C2 to G4.[32 notes] 011 TG1 Chk Check the sound by hearing that there is no noise or abnormal sound.
  • Page 31 DGX-220/YPG-225 TEST No. LCD Display Test Descriptions, Judgment Criteria 037 MIDI Chk Connect a PC which has installed the driver and main unit USB terminal with a USB cable. Set the through mode on PC and execute the test. Confirm that the C4 note is output and "MIDI OK" is displayed on LCD.
  • Page 32 DGX-220/YPG-225 Table 1 SW Name Display Note No. DIAL UP Dial Up DIAL DOWN Dial Dwn P.A.T. P. A.T. MUSIC DATABASE M.D.B. FUNCTION Function LESSON L Lesson L LESSON R Lesson R LESSON START LsnStart METRONOME Metro TEMPO/TAP Temp/TAP SONG REC...
  • Page 33 DGX-220/YPG-225 ■ 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 34: User Data Backup

    PC (Personal Computer) USB Cable (A - B Type) MIDI-USB Driver *1 Musicsoft Downloader (MSD) *1 *1: Obtain these programs from CD-ROM (X7225A00) of the attachment for DGX-220/YPG-225 or Yamaha official website. (URL>> http://www.yamahapkclub.com) Install these software in PC beforehand. DGX-220/YPG-225...

  • Page 35: Midi Implementation Chart

    DGX-220/YPG-225 ■ MIDI IMPLEMENTATION CHART YAMAHA [ Portable Grand ] Date:17-NOV-2005 Model DGX-220/YPG-225 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: Midi Data Format

    DGX-220/YPG-225 ■ 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: Parts List

    PARTS LIST CONTENTS OVERALL ASSEMBLY ..........2 LOWER CASE ASSEMBLY ........5 KEYBOARD ASSEMBLY ........... 7 ELECTRICAL PARTS ..........9 Note) DESTINATION ABBREVIATIONS Australian model South African model British model Chinese model Canadian model South-east Asia model German model Taiwan model European model U.S.A.

  • Page 38: Overall Assembly

    DGX-220/YPG-225 ■ OVERALL ASSEMBLY Upper case assembly Music rest 230b 230a Wheel assembly 750a Battery cover assembly Lower case assembly See page 5. 400d 400a 400d 400b 400a 400e 400c 400b...
  • Page 39 DGX-220/YPG-225 PART NO. DESCRIPTION REMARKS REF NO. QTY RANK OVERALL ASSEMBLY DGX-220/YPG-225 Overall Assembly DGX-220 U,C,W,J,O (WG27900) Overall Assembly YPG-225 U,C,W (WG27910) WG279400 Upper Case Assembly DGX-220 WG279500 Upper Case Assembly YPG-225 X0159A00 Speaker 3.0cm TWEETER WG308100 Circuit Board TWL(PN 4/5,5/5)
  • Page 40 REF NO. QTY RANK WD982400 Nonwoven Fabric Cloth 72_6_0.35 ACCESSORIES WH249100 Music Rest V8029000 AC Adapter PA-5D J DGX-220 J WF324900 AC Adapter PA-5D CHN DGX-220 O WG280500 Japanese Guide Sheet DGX-220 J WH324700 Chinese Guide Sheet DGX-22O O X7225A00...

  • Page 41: Lower Case Assembly

    DGX-220/YPG-225 ■ LOWER CASE ASSEMBLY Keyboard assembly See page Speaker box L assembly 220a 190a 190b 220a 190c Speaker box R assembly 180a 180b 180c Lower case sub assembly...
  • Page 42 DGX-220/YPG-225 PART NO. DESCRIPTION REMARKS REF NO. QTY RANK LOWER CASE ASSEMBLY DGX-220/YPG-225 Lower Case Assembly (WG29200) WG292100 Lower Case Sub Assembly Keyboard Assembly (V882340) WC601000 Connector Assembly MK1 12P L=600 Sponge (WC60730) WC601400 Connector Assembly MK4 6P L=600 Sponge...

  • Page 43: Keyboard Assembly

    DGX-220/YPG-225 ■ KEYBOARD ASSEMBLY MK circuit board assembly Lower case assembly...
  • Page 44 DGX-220/YPG-225 PART NO. DESCRIPTION REMARKS REF NO. QTY RANK KEYBOARD ASSEMBLY DGX-220/YPG-225 Keyboard Assembly 16N-E76 (V882340) V7380300 White Keys 16N-P CEGB V7380400 White Keys 16N-P DFA V8678600 White Keys 16N-P CE V8678700 White Keys 16N-P DF V8678900 White Keys 16N-P GB...

  • Page 45: Electrical Parts

    DGX-220/YPG-225 ■ ELECTRICAL PARTS PART NO. DESCRIPTION REMARKS REF NO. QTY RANK ELECTRICAL PARTS DGX-220/YPG-225 WG307200 Circuit Board AM(AMJK 1/6) (WG23600)(X7176C0) Circuit Board AMJK 4/6 (WG23600)(X7176C0) Circuit Board AMJK 5/6 (WG23600)(X7176C0) WG307400 Circuit Board PB(AMJK 6/6) (WG23600)(X7176C0) WG307300 Circuit Board...
  • Page 46 DGX-220/YPG-225 PART NO. DESCRIPTION REMARKS REF NO. QTY RANK VY668400 Cable Holder CN154 51048 4P TE VI879100 CN155 Cable Holder 51048 13P TE Cable Holder CN155 51048 13P TE (VY66900) VI878300 Cable Holder CN551 51048 5P TE VZ341700 CN551 Cable Holder...
  • Page 47 DGX-220/YPG-225 PART NO. DESCRIPTION REMARKS REF NO. QTY RANK H558a Sponge (WG33500) Wiring GND WH560 UL2008P NX26A (WH31900) Connector Assembly WH854 JK4 NX26AWG (WH47210) WH855 Connector Assembly PB2 NX26AWG (WG33150) Connector Assembly WH856 GND3 (WH47240) Connector Assembly WH857 (WH48240) WH858...
  • Page 48 DGX-220/YPG-225 PART NO. DESCRIPTION REMARKS REF NO. QTY RANK US062100 C725 Ceramic Capacitor-SL(chip) 100P 50V J RECT. US145100 Ceramic Capacitor-F (chip) C801 0.1000 25V Z RECT. US063100 Ceramic Capacitor-B (chip) C802 1000P 50V K RECT. US145100 C804 Ceramic Capacitor-F (chip) 0.1000 25V Z RECT.
  • Page 49 DGX-220/YPG-225 PART NO. DESCRIPTION REMARKS REF NO. QTY RANK RD355100 R402 Carbon Resistor (chip) 100.0 63M J RECT. RD350000 Carbon Resistor (chip) R501 0 63M J RECT. RD356470 Carbon Resistor (chip) R503 4.7K 63M J RECT. RD356470 -514 Carbon Resistor (chip) 4.7K 63M J RECT.
  • Page 50 DGX-220/YPG-225 PART NO. DESCRIPTION REMARKS REF NO. QTY RANK VV556400 TR802 Transistor 2SC2412K Q,R,S TP WE194400 Quartz Crystal Unit X301 16.9344M HC-49S-SM V4093500 Quartz Crystal Unit X801 6M SMD-49 WG138100 X801 Quartz Crystal Unit 6.0000M HC-49S-SMD V8687200 Circuit Board MK-76H 16N2M...
  • Page 51 <Page1> I DGX-220/YPG-225 OVERALL CIRCUIT DIAGRAM (DMLCD) DGX-220/YPG-225 to PNL(PN 3/5) CN-784 <Page2 B-6> DMLCD Not installed Not installed LED DRIVER Not installed Not installed LCD DRIVER Not installed Not installed 64M MASK ROM Not installed (PROG/WAVE) Not installed Not installed to PNR(PN 1/5) CN-781 <Page2 B-2>...
  • Page 52 <Page2> ■ DGX-220/YPG-225 OVERALL CIRCUIT DIAGRAM (AM(AMJK 1/6), AMJK 4/6, AMJK 5/6, MK-76H, MK-76L, PB(AMJK 6/6), PN 2/5, PNL(PN 3/5), PNR(PN 1/5), TWL(PN4/5, 5/5), TWR(PN 4/5, 5/5), USB(AMJK 3/6)) DGX-220/YPG-225 (PN 1/5) MK-76H to DMLCD CN701 <Page1 N-4> to DMLCD-CN405 <Page1 K-9>...

This manual is also suitable for:

Portable grand ypg-225

Table of Contents