Casio PX-700 Service Manual
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Casio PX-700 Service Manual

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PX-700
SEP. 2005
PX-700
ELECTRONIC KEYBOARD
INDEX
Ver. 9: Jan. 2010

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Summary of Contents for Casio PX-700

  • Page 1 PX-700 SEP. 2005 PX-700 ELECTRONIC KEYBOARD INDEX Ver. 9: Jan. 2010...

  • Page 2: Table Of Contents

    CONTENTS Specifications ---------------------------------------------------------------------------------------------- 1 Block Diagram --------------------------------------------------------------------------------------------- 2 Circuit Description --------------------------------------------------------------------------------------- 3 Printed Circuit Board ------------------------------------------------------------------------------------ 4 Disassembly ------------------------------------------------------------------------------------------------ 6 Diagnostic Program ------------------------------------------------------------------------------------ 14 Schematic Diagrams ----------------------------------------------------------------------------------- 16 Exploded View ------------------------------------------------------------------------------------------- 20 Parts List --------------------------------------------------------------------------------------------------- 22...

  • Page 3: Specifications

    SPECIFICATIONS GENERAL Keyboard: 88 piano keys (with touch response) Polyphony: 32 notes, maximum Tones: 11; with layer, split Digital Effects: Reverb (4 types), Chorus (4 types), DSP, Brilliance Metronome: • Time Signatures: 0, 2, 3, 4, 5, 6 • Tempo Range: 30 to 255 Music Library: •...

  • Page 4: Block Diagram

    BLOCK DIAGRAM MAIN PCB (M404-MDA1) Reset IC RESET MA0 ~ MA20 MA0 ~ MA16, 25 RAM (1Mbit) R1151N001C-TR CY62128DV30LL MD0 ~ MD7 EA0 ~ EA15,EA18 RAM (1Mbit) MA0 ~ MA20 ROM (64Mbit) CY62128DV30LL MR27V6402G19RTN03D ED12 ~ ED19 MD0 ~ MD15 uPD914AGM-JED MA0 ~ MA3 KEY CONTROLLER...

  • Page 5: Circuit Description

    CIRCUIT DESCRIPTION KEY MATRIX A0#1 C1#1 D1#1 A0#2 C1#2 D1#2 F1#1 G1#1 A1#1 F1#2 G1#2 A1#2 C2#1 D2#1 F2#1 G2#1 C2#2 D2#2 F2#2 G2#2 A2#1 C3#1 D3#1 A2#2 C3#2 D3#2 F3#1 G3#1 A3#1 F3#2 G3#2 A3#2 C4#1 D4#1 F4#1 G4#1 C4#2 D4#2 F4#2...

  • Page 6: Printed Circuit Board

    PRINTED CIRCUIT BOARDS MAIN PCB M404-MDA1 Top view Bottom view SUB PCB M404-PSA1 — 4 —...
  • Page 7 CONSOLE PCB M406-CNA1 CONSOLE PCB M406-CNA2 CONSOLE PCB M406-CNA3 CONSOLE PCB M406-CNA4 — 5 —...

  • Page 8: Disassembly

    DISASSEMBLY 1. Remove screws and then the lower panel. 2. Remove the T-BRD-UNIT. T-BRD-UNIT I Removing the PCBs (M404-MDA1, M406-CNA4, M404-PSA1). 3. Remove 13 screws. 3. Remove 4 screws. — 6 —...
  • Page 9 5. Remove 11 screws. 6. Remove the PCB case. 7. Remove 3 connectors. 8. Remove 4 screws. 9. Remove the FPC and then the main PCB (M404-MDA1). — 7 —...
  • Page 10 10. Remove 3 connectors and 4 screws. 11. Remove the console PCB (M406-CNA4). CN405 CN407 CN408 12. Remove 5 connectors and 6 screws. 13. Remove the sub PCB (M404-PSA1). CN207 CN203 CN212 CN201 CN206 Removing the key cover. 14. Remove 2 screws and then both sides of the stoppers. 15.
  • Page 11 * Caution while assembling the key cover. Removing the key board. 17. Remove 3 screws and then the CN-PANEL ASSY. 18. Remove 24 screws and then the KEY-BOARD ASSY. — 9 —...
  • Page 12 Removing the front board. 19. Remove 6 screws on the bottom, and then lift the front board up. 20. Remove 2 screws and then the front board. Removing the power switch. 21. Remove 2 screws on the bottom. 22. Remove 2 screws and then the power switch. —...
  • Page 13 Removing the power switch. 23. Remove 2 screws on the bottom. 24. Remove 2 screws and then the PCB (M406-CNA2). 25. Remove the volume knob and 2 screws, and then the PCB (M406-CNA1). — 11 —...
  • Page 14 Disassembling the key board. 26. Remove 2 screws and then the bracket. 27. Remove the keys. * Caution while assembling the keys. Set the key as shown in figures below. — 12 —...
  • Page 15 28. Remove 8 rubber keys. * One of the keys has the different length from others. * Caution while assembling the rubber keys. Push the rubber keys with the tool like the tweezers, so the projections of the rubber keys matches with the holes of the lower case.

  • Page 16: Diagnostic Program

    DIAGNOSTIC PROGRAM Initial Setup 1. Connect an AC adaptor. 2. Connect a pedal cord. 3. "Main" volume: MAX. NOTE: If there is no pedal or MIDI cable, pedal or MIDI check can be skipped. How to start diagnostic program 1. Turn on the “POWER” button while the “FUNCTION” and the “TRACK1/TRACK2” buttons are depressed. 2.
  • Page 17 5. Headphone check 1 Press “FUNCTION” button to perform the “Headphone check.” The confirmation chord C6 sounds and “PLAY” LED lights. 2 Connect the headphone to the LEFT jack. “REC” LED lights. 3 Remove the headphone from the jack. “PLAY” LED lights. 4 Connect the tuning meter to the RIGHT jack.

  • Page 18: Schematic Diagrams

    SCHEMATIC DIAGRAMS MAIN PCB M404-MDA1 NOTE: The portions marked as "UNUSED" are not used on this model. — 16 —...
  • Page 19 SUB PCB M404-PSA1 NOTE: The portions marked as "UNUSED" are not used on this model. — 17 —...
  • Page 20 CONSOLE PCB M406-CNA1 CONSOLE PCB M406-CNA2 — 18 —...
  • Page 21 CONSOLE PCB M406-CNA3 CONSOLE PCB M406-CNA4 — 19 —...

  • Page 22: Exploded View

    EXPLODED VIEW 70-1 11 14 18 17 47-2 47-1 47-3 48-1 47-4 47-2 47-3 47-4 ×4 – 20 –...
  • Page 23 ×4 51-1 51-3 51-2 ×4 52-2 52-1 52-3 Screw x 4 Screw x 2 Clip x 2 Screw cap Screw cap Butterfly (Brown) x 4 (Black) x 2 bolt x 2 – 21 –...

  • Page 24: Parts List

    PARTS LIST PX-700 Notes: This parts list does not include the cosmetic parts, which parts are marked with item No. "R-X" in the exploded view. Contact our spare parts department if you need these parts for refurbish. 1. Prices and specifications are subject to change without prior notice.
  • Page 25 PX-720_BLACK_DI_120V PX-720_CHERRY_DI_120V PX-720_BLACK_DI_230V PX-720_CHERRY_DI_230V PX-720_BLACK_EU PX-720_CHERRY_EU PX-720_BLACK_UK PX-720_CHERRY_UK PX-720_BLACK_US PX-720_CHERRY_US Price Item Parts Code Parts Name Specification Remarks Code MAIN PCB 10213950 PCB ASSY/MAIN TK-RJM506265*001 10209154 BATTERY/LITHIUM CR2032T6X 10212694 HARNESS SMP-5P-43-M406 10133383 DIODE 02DZ2.7-Z(TPH3) 10098748 DIODE 02DZ5.6-Y(TPH3) D4,D5,D6 10009218 DIODE 1SS400TE61 23902576 DIODE RB501V-40TE-17...
  • Page 26 PX-720_BLACK_DI_120V PX-720_CHERRY_DI_120V PX-720_BLACK_DI_230V PX-720_CHERRY_DI_230V PX-720_BLACK_EU PX-720_CHERRY_EU PX-720_BLACK_UK PX-720_CHERRY_UK PX-720_BLACK_US PX-720_CHERRY_US Price Item Parts Code Parts Name Specification Remarks Code KEY BOARD UNIT 10208264 PCB ASSY/KEY TK-RJM506061*001 D801-854, 10079928 DIODE 1SS133TA 923-976 D855-922 10079928 DIODE 1SS133TA CN803 10211732 CONNECTOR 30FMZ-ST(LF)(SN) 37195442 CABLE N30315B1B05-UL2896 10133656 RUBBER/CONTACT/AG RJM502920-001V01...
  • Page 27 PX-720_BLACK_DI_120V PX-720_CHERRY_DI_120V PX-720_BLACK_DI_230V PX-720_CHERRY_DI_230V PX-720_BLACK_EU PX-720_CHERRY_EU PX-720_BLACK_UK PX-720_CHERRY_UK PX-720_BLACK_US PX-720_CHERRY_US Price Item Parts Code Parts Name Specification Remarks Code 10214314 STOPPER RJM505997-001V01 10213946 CASE ASSY/MIDDLE TK-RJM505989*001 47-1 10244489 SIDE-DECOR-M406 RJM505998-002V01 10214315 D-TAPE-6-80 RJM506385-001V01 47-2 47-3 10214317 D-TAPE-6-10 RJM506386-001V01 47-4 10214316 D-TAPE-6-22 RJM506390-001V01 10214382 FRONT BOARD RJM505676-001V01...
  • Page 28 PX-720_BLACK_DI_120V PX-720_CHERRY_DI_120V PX-720_BLACK_DI_230V PX-720_CHERRY_DI_230V PX-720_BLACK_EU PX-720_CHERRY_EU PX-720_BLACK_UK PX-720_CHERRY_UK PX-720_BLACK_US PX-720_CHERRY_US Price Item Parts Code Parts Name Specification Remarks Code ACCESSORY 10128659 AC ADAPTOR AD-12UL-TC2(D) C 120V 10168517 AC ADAPTOR AD-12FL-TC3(D) C 230V 10213941 STAND/MUSIC TK-RJM506318*001 10100792 CORD SET INQ.1258(1) C Korea 10045706 CORD SET EC2NC-M001A C Euro type...
  • Page 29 • Correction of the EXPLODED VIEW (P20, 21) • Correction of the PARTS LIST (P25) Ver. 5 : Dec. 2007 • Correction of the DIAGNOSTIC PROGRAM (P14) • Correction of the EXPLODED VIEW (P20 to P21) • Correction of the PARTS LIST (P25) Ver. 6 : Oct. 2008 • Correction of the EXPLODED VIEW (P20) • Correction of the PARTS LIST (P25) Ver. 7 : Dec. 2008 • Correction of the EXPLODED VIEW (P20) • Correction of the PARTS LIST (P24) Ver. 8 : Jun. 2009 • Wrong model name PX-720 is deleted. (P23 to P26) Ver. 9 : Jan. 2010 • Correction of the PARTS LIST (P25) CASIO COMPUTER CO.,LTD. Overseas Service Division 6-2, Hon-machi 1-Chome Shibuya-ku, Tokyo 151-8543, Japan...

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