Portable Grand DGX-620 Скачать руководство пользователя страница 31 | Manualshive

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31

DGX-620/YPG-625

2NAK8-WF46240 2

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GHL88M Circuit Board

Component Side

Note: See parts list for details of circuit board component parts.

E

E'

to GHL88H-CN1

to DM-CN701

E

E'

to GHL88L-CN1

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Содержание DGX-620

Страница 1: ...CIFICATIONS 3 PANEL LAYOUT 4 CIRCUIT BOARD LAYOUT WIRING 6 BLOCK DIAGRAM 8 DISASSEMBLY PROCEDURE 9 LSI PIN DESCRIPTION 20 IC BLOCK DIAGRAM 23 CIRCUIT BOARDS 24 TEST PROGRAM 33 INITIALIZATION 37 USER D...

Страница 2: ...e and safety procedures when servicing this product may result in per sonal injury destruction of expensive components and failure of the product to perform as specified For these reasons we advise al...

Страница 3: ...horus Level SPLIT VOICE Volume Octave Pan Reverb Level Chorus Level EFFECT Reverb Type Chorus Type Master EQ Type Sustain HARMONY Harmony Type Harmony Volume Performance assistant technology Performan...

Страница 4: ...F button i MUSIC DATABASE button o 0 1 2 3 FUNCTION button LESSON L R START buttons METRONOME ON OFF button TEMPO TAP button SONG MEMORY REC 1 5 A buttons 4 REPEAT LEARN ACMP ON OFF button 5 A B REPEA...

Страница 5: ...umber buttons 0 9 and buttons 7 DEMO button 8 EXIT button 9 REGIST MEMORY MEMORY BANK 1 2 buttons 0 PORTABLE GRAND button 1 SPLIT ON OFF button 2 DUAL ON OFF button 3 HARMONY ON OFF button 4 PITCH BEN...

Страница 6: ...sembly Top view GHL88L GHL88M GHL88H 5 PB PSW DJACK MVR PNL AM LCD unit Speaker Tweeter L Speaker Tweeter R Speaker Woofer R Speaker Woofer L DM ENC PNR TW R TW L Upper case Lower case 15 15 10 13 12...

Страница 7: ...2P 30 WG45880 SP2 AM CN203 1 9 Speaker Lch Speaker Rch 3 3 9 10 4P WH601 WG46070 MVR PB AM CN204 1 5 MVR CN601 2 5 5P WH901 WB09270 X0159A00 ENC PNR CN03 1 5 ENC CN901 2 5 3P BL Caution Be sure to att...

Страница 8: ...128M ROM PROG WAVE 8M FLASH ROM 16M DRAM DAC 24bit ADC 8bit PCM1742K LPF MASTER VOLUME LCDC 3 3V REG 2 5V REG 5V REG D101 FZ001 5D 3 3D 5A 3 3D 5A 2 5D CS0 128M ROM CS1 LCDC CS3 8M FLASH CS5 USBC 5D 5...

Страница 9: ...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 r...

Страница 10: ...e lower case assembly See procedure 1 4 2 Remove the two 2 screws marked 480C The PB circuit board and the wheel assembly can then be removed Fig 4 Make sure to mount the wheel assembly on the volume...

Страница 11: ...6 10 MVR Circuit Board Time required About 10 minutes 10 1 Remove the lower case assembly See procedure 1 10 2 Remove the volume knob from the control panel Fig 7 10 3 Remove the three 3 screws marked...

Страница 12: ...4 screws marked 480J The LCD unit can then be removed Fig 6 14 Keyboard Assembly Time required About 13 minutes 14 1 Remove the lower case assembly See procedure 1 14 2 Remove the six 6 screws marked...

Страница 13: ...B0 270A 270A 270A 270A 270A 270A 270A 270C C7 Key One octave C1 B1 One octave C2 B2 One octave C3 B3 One octave C4 B4 One octave C5 B5 One octave C6 B6 Top view Fig 11 15 2 When removing white keys n...

Страница 14: ...e rubber contact has a specific installation direction One rubber contact fits for C C for C B keys 260A Rubber contact 260B 260C Rubber contact Rubber contact Rubber contact Rubber contact Rubber con...

Страница 15: ...Fig 13 GHL88M FFC cable Frame FFC cable Filament tape CN2 27P GHL88M CN2 27P Through hole Filament tape Top view Side view Keyboard assembly Fig 15 15 7 GHL88M Circuit Board Remove the black and whit...

Страница 16: ...s marked 260C The GHL88H circuit board can then be removed Fig 13 15 9 Hammer White Key Black Key Remove the black and white key assembly for the related keys With the key frame placed upside down pus...

Страница 17: ...d until a click sound is heard Fig 18 There are 8 hammer types differing in weight Be sure to check the type of the hammer for correct installation Table 1 Frame Hammer white key Hammer black key Hamm...

Страница 18: ...hole in the frame and pull it out from its outlet Fig 15 Tighten the seven 7 screws marked 260B to fix the GHL88M circuit board Fig 13 Rubber contact Rubber contact GHL88L Triangle mark Triangle mark...

Страница 19: ...l as the contact arm of the hammer and actuate rubber of the white key assembly black key assembly are installed properly Fig 22 Use the four 4 screws marked 270A to fix 1 octave white key assembly bl...

Страница 20: ...PC7 I O 96 MA12 O 33 VSS VSS 97 MA11 O External memory address bus 34 IRQ0N PH0 I Interrupt input 98 MA10 O 35 TxD0 O Serial output 99 MA09 O 36 RxD0 I serial input 100 MA08 O 37 TxD1 PG2 O Serial out...

Страница 21: ...e serial clock Port 0 Power supply Ground Port 1 PD789022GB A15 8E XZ560100 CPU DM IC701 PIN NO I O FUNCTION NAME PIN NO I O FUNCTION NAME 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 2...

Страница 22: ...ect 53 H_DP2 AI O USB D data line for HC 22 RD I Read strobe 54 H_OC1 I Overcurrent sensing input 23 WR I Write strobe 55 H_OC2 I Overcurrent sensing input 24 Vhold2 Voltage holding pin 56 Vcc Power s...

Страница 23: ...itch Emitter Timing Capacitor Gnd 8 7 6 5 4 3 2 1 R5520H001A X7414A00 USB High Side Switch DM IC302 5 4 1 2 3 OUT IN FLG GND EN Pin No Pin Name Function 1 EN Enableb Input 2 GND Ground 3 FLG Fault Fla...

Страница 24: ...oard X6246D0 32 GHL88L Circuit Board X6244D0 30 GHL88M Circuit Board X6245G0 31 MKO Circuit Board X7135B0 29 MVR Circuit Board X7135B0 29 PB Circuit Board X7135B0 29 PNL Circuit Board X7137B0 27 PNR C...

Страница 25: ...YPG 625 to AM CN104 to PNL CN01 to LCD Unit to PNR CN02 to GHL88M CN2 to DJACK CN301 DM Circuit Board Note See parts list for details of circuit board component parts Component Side Pattern Side 2NA...

Страница 26: ...a jack PWB JK201 JK301 JK302 PWB 0 0 5mm 0 5 1 0mm The nonwoven fabricis prevented from overlapping on the PWB side PWB JK101 0 0 5mm To pile it up in the upper side it is pasted LCD CONTRAST TO DEVI...

Страница 27: ...ONOME ON OFF R M AUT A B REPEAT INTRO ENDING rit REPEAT LEARN ACMP ON OFF SONG STYLE A A to DM CN601 A CLEAR 5 4 3 2 1 LESSON START LESSON R LESSON L FUNCTION ABASE START STOP PAUSE SYNC START FF SYNC...

Страница 28: ...EMORY EXIT BANK SPLIT ON OFF SPLIT VOICE CATEG UP CATEGORY DOWN PORTABLE GRAND B B DEMO 9 8 7 6 5 4 3 2 1 0 YES NO HARMONY ON OFF HARMONY TYPE DUAL ON OFF DUAL VOICE SPLIT ON OFF SPLIT VOICE CATEGORY...

Страница 29: ...L Circuit Board to AM CN201 to Speaker Tweeter L to AM CN202 to Speaker Tweeter R TW R Circuit Board Component Side Component Side Note See parts list for details of circuit board component parts ENC...

Страница 30: ...30 DGX 620 YPG 625 GHL88L Circuit Board D D to GHL88M CN1 D D Component Side Note See parts list for details of circuit board component parts 2NAK8 WF46230...

Страница 31: ...31 DGX 620 YPG 625 2NAK8 WF46240 2 GHL88M Circuit Board Component Side Note See parts list for details of circuit board component parts E E to GHL88H CN1 to DM CN701 E E to GHL88L CN1...

Страница 32: ...32 DGX 620 YPG 625 GHL88H Circuit Board Note See parts list for details of circuit board component parts 2NAK8 WF46250 F F F F to GHL88M CN3 Component Side...

Страница 33: ...TEST PROCEDURE 1 When the test program is started TEST will be displayed on the LCD 2 Press the or button of the number buttons to select a test program item 3 Press the START STOP button to execute t...

Страница 34: ...ES L less than 70 0 dBu PHONES R 70 0 dBu dBu dBm Connect the level meter with a JIS C filter to the PHONES OUTPUT jack 33 ohm load Set the MASTER VOLUME at maximum and check the output level 1 kHz si...

Страница 35: ...OK OK MIDI OK NG MIDI NG Checks the ROM that is connected to the CPU The test result appears on the LCD Check that the LCD displays Rom OK It takes about 20 seconds OK Rom OK NG Rom NG Check the RAM t...

Страница 36: ...0 TENKEY EXIT BANK MEMORY REGIST 1 REGIST 2 PORTABLE GRAND SPLIT DUAL HARMONY DEMO Dial Up Dial Down File Menu File Excute P A T MusicDataBase Function Lyrics Score Chord Finger Lesson L Lesson R Les...

Страница 37: ...ly holding the highest white key on the keyboard and the three highest black keys Flash Clear To clear data backed up to the internal flash memory panel user setting registration memory user songs sty...

Страница 38: ...onnect a USB flash memory to the USB TO DEVICE terminal being careful to insert it with the proper orientation Check that the file control icon is shown in the MAIN display No sound will be produced i...

Страница 39: ...this point to cancel the operation If you format a USB flash memory that already contains data all of the data will be erased Be careful not to erase important data when using the format function Pre...

Страница 40: ...cancel the save operation at this point by pressing the button Press the EXECUTE button again or the button and the save operation will begin The user song will be stored to the USER FILE folder in th...

Страница 41: ...Press the EXECUTE button The display prompts you for confirmation You can cancel the load operation at this point by pressing the button Press the EXECUTE button again or the button and the load opera...

Страница 42: ...o o Bank Select 1 11 84 x 1 o 6 38 o o Data Entry 7 10 o o Control 64 o o Sustain 71 x 1 o Harmonic Content Change 72 o o Release Time 73 x 1 o Attack Time 74 x 1 o Brightness 91 93 o o Effect Depth 9...

Страница 43: ...or MIDI Master Tuning The default value of mm and ll are 08H and 00H respec tively Any values can be used for n and cc Reverb Type F0H 43H 1nH 4CH 02H 01H 00H mmH llH F7H mm Reverb Type MSB ll Reverb...

Страница 44: ...export model 220V I Indonesian model N X General export model J Japanese model Y Export model K Korean model The numbers in QTY shows quantities for each unit The parts with in Part No are not availab...

Страница 45: ...330 30 20 480 440 30 80 90 70 540 160 50 40 60 U120 U140 U120a U90 10 U130 U130 U30 U40 U10 U100 180 480 100 110 120 150 130 290 290a 320 330 530 325 400 140 550 170 210 250 480 430 430 432 A2a A1b A...

Страница 46: ...ng Circuit Board Grease Encoder Knob Knob V Push Knob Cushion Cushion Circuit Board Lower Case Assembly Bottom Board Cushion Cushion Sponge Front Rail Angle Keyboard Assembly Bind Head Tapping Screw B...

Страница 47: ...crew 1 PB Escutcheon Assembly Adhesive Tape Edge Cloth Edge Cloth Edge Cloth ACCESSORIES Music Rest CD ROM Foot Pedal AC Adapter AC Adapter AC Adapter AC Adapter Chinese Guide Sheet Stand Pipe Assembl...

Страница 48: ...ST Bind Head Tapping Screw 1 Side Board Assembly R Angle Bracket ST Bind Head Tapping Screw 1 Stand Rail Assembly Angle Bracket Bind Head Tapping Screw 1 Stand Base Screw Set Screw Set Special Nut Tr...

Страница 49: ...DGX 620 YPG 625 6 LOWER CASE ASSEMBLY 40 40 20 20 L35 L35 L60 L30 L10 10 L55 L55 L40 L40 30 30a 30c 30b 70 70 70 L60 L35 L35 Keyboard assembly See page 8 Lower case sub assembly L70 L20 L20 L70 L70...

Страница 50: ...Case Sub Assembly Speaker Connector Assembly Sponge Sponge Sponge Bind Head Tapping Screw B Adhesive Tape Adhesive Tape Lower Case Sub Assembly Lower Case Holder Foot Foot Seal Tape Cushion Cushion Bi...

Страница 51: ...230 230c 230d 230d 230b 230a 260 270 270 270 270 20a 20b 20b 30a 70a 70a 30a 30 70 20 20 30 60 70 20a 80a 80 80b 40a 40 50 50a 50b 40b 30b 30b 70b 70b 60b 60a 260 260 210 200 200 200 200 200 200 200...

Страница 52: ...tuate Rubber Black Key Assembly Black Key Rubber Hammer Assembly White Key Hammer Assembly White Key Hammer Assembly White Key Hammer Assembly White Key Hammer Assembly Black Key Hammer Assembly Black...

Страница 53: ...Upper Pedal Cover Lower Pedal Cover Lower Pedal Cover Pedal Spring Upper Cover Mat Lower Cover Mat Switch Assembly Felt Cord Fiber Washer Tube Special Screw Pan Head Screw Grease Felt IN PLASTIC BAG M...

Страница 54: ...ra Cap Semiconductive Cera Cap Semiconductive Cera Cap Electrolytic Cap Electrolytic Cap Electrolytic Cap Electrolytic Cap Mylar Capacitor Mylar Capacitor Mylar Capacitor Mylar Capacitor Mylar Capacit...

Страница 55: ...ire Trap FFC Connector Cable Holder Cable Holder Cable Holder Cable Holder Base Post Connector Wire Trap Connector FFC Cable Holder Cable Holder Cable Holder Cable Holder Cable Holder Cable Holder Cab...

Страница 56: ...ramic Capacitor CH chip Ceramic Capacitor F chip Ceramic Capacitor SL chip Ceramic Capacitor F chip Ceramic Capacitor F chip Ceramic Capacitor F chip Ceramic Capacitor F chip Electrolytic Cap chip Cer...

Страница 57: ...pacitor SL chip Ceramic Capacitor F chip Ceramic Capacitor F chip Electrolytic Cap chip Ceramic Capacitor F chip Electrolytic Cap chip Electrolytic Cap chip Ceramic Capacitor F chip Ceramic Capacitor...

Страница 58: ...stor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip Carbon Resistor chip C...

Страница 59: ...gital Transistor Quartz Crystal Unit Quartz Crystal Unit Circuit Board Wire Trap Diode Diode Circuit Board Wire Trap Diode Diode Diode Circuit Board Wire Trap FFC Connector Wire Trap Diode Diode Circu...

Страница 60: ...00 V2547100 V2548200 V2548200 X0159A00 X7430A00 WG299100 NB037130 Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Carbon Resistor Speaker Speaker LCD Switch Assembly 150 0 1 6J 26TP 27...

Страница 61: ...R 28CC1 2001000273 28CC1 2001000273 LCD Assembly LCD BACK LIGHT BA33BC0FP X5889A00 REGULATOR 3 3V 1 2 3 1 INPUT 2 GND 3 OUTPUT DM IC902 BA50BC0T X5887A00 REGULATOR 5V 1 2 3 1 INPUT 2 OUTPUT 3 GND AM...

Страница 62: ...1000273 3 28CC1 2001000275 1 ENC to DM CN601 Page1 A 5 to DM CN602 Page1 A 6 FUNCTION MENU EXECUTE LYRICS LESSON R MEMORY REC MEMORY 4 A B REPEAT START STOP SCORE TENKEY 1 TENKEY 2 TENKEY 3 EXIT SONG...

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