Casio CT-X9000iN Disassembly
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Casio CT-X9000iN Disassembly

Casio CT-X9000iN Disassembly

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1. Precautions
Y About this manual
• Photos and illustrations contained in this manual may diff er from the appearance of an actual product
(casing colors, silk print, etc.).
Y About repair
• To avoid damages to the instrument and fl oor, lay the instrument on a mattress or blanket before
starting disassembling.
• There are several kinds of screws. Be sure to use the correct type of screws when assembling.
It is advisable to sort the screws as shown below after removing them.
• If a screw cap is attached to the screw, remove it.
When assembling, reattach the screw cap.
• Check how cables are wired before removing cables.
When assembling, wire the cables in the same manner as they were before disassembly.
• If a cable is bound by cable tie, tape or similar item, remove it as necessary.
When assembling, bind the cable as it was before disassembly.
• The number of pins of ribbon cable is sometimes diff erent from the number of pads of PCB.
Solder the pin No. 1 (orange) of cable on the pad No. 1 of PCB.
Y Before starting repair or servicing
• Remove the AC adaptor, AC cord or batteries.
• Remove accessories such as the music stand.
DISASSEMBLY
– 1 –
CT-X9000IN / VER.1

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Summary of Contents for Casio CT-X9000iN

  • Page 1 CT-X9000IN / VER.1 DISASSEMBLY 1. Precautions Y About this manual • Photos and illustrations contained in this manual may diff er from the appearance of an actual product (casing colors, silk print, etc.). Y About repair • To avoid damages to the instrument and fl oor, lay the instrument on a mattress or blanket before starting disassembling.

  • Page 2: Disassembly Procedure

    CT-X9000IN / VER.1 2. Disassembly Procedure Y Flowchart Assembled Product A. Case B. Main Panel C. Side Panel H. PCB UNIT/CNA4 I. BENDER UNIT J. SPEAKER Disassembly of the SPEAKER NET D. PCB UNIT/MAIN E. PCB UNIT/POWER & AMP F. Dial Block, PCB UNIT/CNA2 G.

  • Page 3: Removing The Case

    CT-X9000IN / VER.1 A. Removing the Case Left side panel Main panel Right side panel A-1. Undo screws on the bottom surface. • To remove the main panel, undo 7 screw A. • To remove the left side panel, undo 7 screw A and 7 screw B.
  • Page 4 CT-X9000IN / VER.1 A-3. Lift the main panel and turn it over. NOTE: The main panel and lower case are connected with cables. Use caution so as not to apply too much tension to the cables when lifting the main panel.
  • Page 5 CT-X9000IN / VER.1 Notes on Assembly • Before closing the main panel, check the followings: – The cables should be arranged as shown in the fi gure below. – The cables should not be on the side panels. Fig. 1 Fig.
  • Page 6 CT-X9000IN / VER.1 • When closing the main panel, be careful about the followings. – The excess length of the cables should be stored within the blue frame shown in the fi gure above. * The cables should be stored in between the ribs of lower case if possible.
  • Page 7 CT-X9000IN / VER.1 B. Removing the Main Panel B-1. Peel off FABRIC TAPE/20X50 and FABRIC TAPE/20X120. MEMO: With FABRIC TAPE/20X50, the modulation cable is fi xed to the CNA1 PCB. With FABRIC TAPE/20X120,the KYA2 PCB cable is fi xed to the CNA1 PCB.
  • Page 8 CT-X9000IN / VER.1 B-3. Disconnect the following cables and remove the main panel. Cable / Remarks Connected From Ribbon cable 3-pin Pitch bend  Ribbon cable 13-pin KYA1 PCB  Ribbon cable 11-pin KYA2 PCB  Harness Red, black Right speaker ...

  • Page 9: Removing The Side Panel

    CT-X9000IN / VER.1 C. Removing the Side Panel C-1. Undo screws on the side panel. • To remove the left side panel, undo 4 screw A. • To remove the right side panel, undo 4 screw B. C-2. Remove the side panel cables from the ribs of lower case.
  • Page 10 CT-X9000IN / VER.1 Notes on Assembly • Attach the ferrite core referencing “Notes on Assembly” on page 7. • Arrange the cables referencing “Notes on Assembly” on page 5. C-5. Disconnect the following cables. MEMO: The left speaker cable and right speaker cable are bundled with SPONGE/35X360.
  • Page 11 CT-X9000IN / VER.1 D. Removing the PCB UNIT/MAIN NOTE: Remove the main panel before work as occasion demands conserving the workability. D-1. Disconnect the following cables. MEMO: The left speaker cable and right speaker cable are bundled with SPONGE/35X360. Cable / Remarks...
  • Page 12 CT-X9000IN / VER.1 PCB UNIT/MAIN : Screw Notes on Assembly • Arrange the cables referencing “Notes on Assembly” on page 5. – 12 –...
  • Page 13 CT-X9000IN / VER.1 E. Removing the PCB UNIT/POWER & AMP NOTE: Remove the main panel before work as occasion demands conserving the workability. E-1. Disconnect the following cables. NOTE: Connectors and electronic parts are mounted around the cable  When disconnecting (or connecting) the cable, use a solder iron carefully not to contact the peripheral parts.
  • Page 14 CT-X9000IN / VER.1 Notes on Assembly • When replacing PCB UNIT/POWER & AMP, affi x SPONGE/35X150 to the cable  * For the affi xing position, refer to the removed parts. • When replacing PCB UNIT/POWER & AMP, attach FERRITE CORE to the cable as shown in the fi...
  • Page 15 CT-X9000IN / VER.1 F. Removing the Dial Block, PCB UNIT/CNA2 F-1. Undo 1 screw A and remove FERRITE CORE. MEMO: FERRITE CORE is attached to the KYA1 PCB cable. F-2. Disconnect the following cable. Cable / Remarks Connected From Ribbon cable...
  • Page 16 CT-X9000IN / VER.1 F-5. Undo 1 screw B and 1 screw C. F-6. Push the bosses and remove PCB UNIT/CNA2, BEZEL/DIAL, and KNOB/DIAL. : Screw B : Screw C : Boss BEZEL/DIAL PCB UNIT/CNA2 KNOB/DIAL – 16 –...
  • Page 17 CT-X9000IN / VER.1 G. Removing the BACK LIGHT UNIT MEMO: BACK LIGHT UNIT is confi gured with CNA1 PCB, CBA3 PCB, and backlight component. G-1. Remove the main panel, PCB UNIT/MAIN, PCB UNIT/POWER & AMP, and Dial Block. For disassembly procedure, refer to the applicable section.

  • Page 18: Back Light Unit

    CT-X9000IN / VER.1 G-5. Remove BACK LIGHT UNIT (w/ FABRIC TAPE/20X120) , rubber keys (x8), and LCD. NOTE: LCD may be stuck on BACK LIGHT UNIT. Use caution when handling BACK LIGHT UNIT to prevent LCD from dropping. CNA3 BACK LIGHT UNIT...
  • Page 19 CT-X9000IN / VER.1 • Tighten the screws at LCD part in the silk-printed order. If not tightened correctly, it may cause LCD display errors. • After assembling BACK LIGHT UNIT, press the buttons to check that there are no uncomfortable feeling.
  • Page 20 CT-X9000IN / VER.1 Y Disassembly of the Backlight Block (1) Remove LCD (  (2) Peel off SPONGE/8X75 ( ) and then remove TOP PIECE ( ), FILM ( ), BACK LIGHT    PLATE ( ), and RUBBER CONNECTOR (x2, ...
  • Page 21 CT-X9000IN / VER.1 H. Removing the PCB UNIT/CNA4 H-1. Remove the CNA4 PCB cable from the ribs of left side panel. H-2. Undo 3 screws and remove PCB UNIT/CNA4 and rubber key. PCB UNIT/CNA4 : Screw : Rib PCB UNIT/CNA4 Notes on Assembly •...
  • Page 22 CT-X9000IN / VER.1 I. Removing the BENDER UNIT I-1. Remove the pitch bend cable from the ribs of left side panel. I-2. Undo 2 screws and remove BENDER UNIT. BENDER UNIT : Screw : Rib – 22 –...

  • Page 23: Removing The Speaker

    CT-X9000IN / VER.1 J. Removing the SPEAKER J-1. Disconnect the following cable. Cable / Remarks Connected From 2 lead wires From the above: Black, red MDA1 PCB  2 lead wires From the above: Red, white MDA1 PCB  J-2.
  • Page 24 CT-X9000IN / VER.1 Y Disassembly of the SPEAKER NET MEMO: The structure of left side panel and right side panel is basically the same. (1) Twist six protruded parts of SPEAKER NET using a pliers and fi t the protruded parts in the holes on the side panel.
  • Page 25 CT-X9000IN / VER.1 K. Removing the KEY K-1. Remove the main panel, left side panel, and right side panel. For disassembly procedure, refer to the applicable section. K-2. Undo 21 screws and then remove the WHITE KEY and BLACK KEY.
  • Page 26 CT-X9000IN / VER.1 L. Removing the PCB UNIT/KEYBOARD/KYA L-1. Unhook and remove PCB UNIT/KEYBOARD/KYA (w/ RUBBER CONTACT/CB, RUBBER CONTACT/CS). L-2. Remove 4 RUBBER CONTACT/CB and RUBBER CONTACT/CS. MEMO: RUBBER CONTACT/CS diff ers from the others in length. : Hook FERRITE CORE...
  • Page 27 CT-X9000IN / VER.1 • Arrange the KYA PCB cables as shown in the fi gure below. – Fold the cable in half.  – Fold the edge of the cable toward the back.  * The cable should not be higher than the PCB surface.

  • Page 28: Function Test

    CT-X9000IN / VER.1 FUNCTION TEST 1. Overview Y Test Items To test this product, fi rst launch the built-in diagnostic program. Then, pressing a test button while on the main screen for the diagnostic program enables the corresponding test item to be tested.
  • Page 29 CT-X9000IN / VER.1 2. Launching the Diagnostic Program (1) Connect the AC adaptor. (2) Adjust the sound volume so that it is at about 1/3 of the full volume. (3) While holding down [1], [2], and [3] buttons, turn on the power.

  • Page 30: Test Procedure

    CT-X9000IN / VER.1 3. Test Procedure A. Button Test NOTE: Check there is no uncomfortable feeling when pressing the button. If the button gets lodged or does not return to the correct position, evaluate the test as NG. NOTE: To test [MODULATION/ASSIGNABLE] button, preform “Modulation Test”.
  • Page 31 CT-X9000IN / VER.1 Button number: A – Left area START Button number: B – Center area – 4 –...
  • Page 32 CT-X9000IN / VER.1 Button number: C – Right area A-3. Check that the following screen appears when you press the last button in the sequence. A-4. Press [0] button twice to return to the main screen. – 5 –...
  • Page 33 CT-X9000IN / VER.1 B. LCD Test B-1. Press [2] button to display the following screen. B-2. Press [2] button and check that all segments are lit. B-3. Press [2] button and check that all segments are turned off . B-4. Press [0] button to return to the main screen.

  • Page 34: Pedal Test

    CT-X9000IN / VER.1 D. Pedal Test NOTE: This test cannot be performed without a pedal. D-1. Press [4] button to display the following screen. D-2. Connect the pedal to the PEDAL1 jack. D-3. Press the pedal and check that the following screen appears.

  • Page 35: Usb Flash Drive Test

    CT-X9000IN / VER.1 E. USB Test NOTE: This test cannot be performed without a PC and USB cable. E-1. Press [4] button to display the following screen. E-2. Connect the USB port of digital keyboard and PC with a USB cable, and then check that the following screen appears.
  • Page 36 CT-X9000IN / VER.1 F-4. Press [2] button to display the following screen. F-5. Press [+] button to begin the test and check that the screen changes as fi gure below. F-6. Press [0] button twice to return to the main screen.
  • Page 37 CT-X9000IN / VER.1 G. LED Test G-1. Press [6] button to display the following screen. G-2. Check that the LED is lit in red in the following order each time you press [6] button. TONE B REGISTRATION 4 RHYTHM B...
  • Page 38 CT-X9000IN / VER.1 I. ROM Version Check (This item is not an inspection) I-1. Press [9] button to display the following screen. I-2. Press [9] button twice to display the ROM version. NOTE: The displayed ROM version may diff er depending on the individual products.
  • Page 39 CT-X9000IN / VER.1 J-4. Rotate the pitch bend wheel all the way down, and check that the following screen appears. MEMO: The confi rmation tone (cowbell) sounds. J-5. Return the pitch bend wheel to the original position, and check that the following screen appears.
  • Page 40 CT-X9000IN / VER.1 K-4. Rotate the dial counter-clockwise by one turn or more and check that the value changes correctly. NOTE: When rotating the dial counter-clockwise, the value becomes a negative value. K-5. Press [0] button to return to the main screen.

  • Page 41: Speaker Test

    CT-X9000IN / VER.1 M. Speaker Test M-1. Press [5] button to display the following screen. M-2. Press [8] button to display the following screen. M-3. Press any key and check that only the right speaker sounds. MEMO: The volume setting is temporarily disabled and the speaker sounds at a constant sound volume.
  • Page 42 CT-X9000IN / VER.1 N. RAM Test N-1. Press [8] button to display the following screen. N-2. Press [8] button to begin the test. N-3. Check that the following screen appears. N-4. Turn off the power by holding down [P] button until the screen shuts down.

  • Page 43: Block And Wiring Diagram

    CT-X9000IN / VER.1 BLOCK AND WIRING DIAGRAM USB-A USB-B Keyboard PCB (KYA1) Keyboard PCB (KYA2) Dial PCB (CNA2) PITCH BEND CN803 (10-pin) (CN10) (CN11) DIAL (E200) SPEAKER (L) SPEAKER (R) CN801 (13-pin) CN802 (10-pin) CN804 (11-pin) High Side Switch Main PCB...

  • Page 44: Circuit Description

    CT-X9000IN / VER.1 CIRCUIT DESCRIPTION Y Nomenclature of Keys Y Key Matrix Each key has two contacts, the fi rst contact and second contact   NOTE: The diagram below illustrates how the contacts work. Second contact First contact ...
  • Page 45 CT-X9000IN / VER.1 Y Button Matrix SFI0 SFI1 INTRO, CATEGORY PHRASE PAD P1 REGISTRATION 3 TEMPO w PART SELECT FUNCTION, VARIATION/FILL-IN 1, RHYTHM PHRASE PAD P2 REGISTRATION 4 SET, REPEAT $ EDIT VARIATION/FILL-IN 2, SONG BANK, PART, PHRASE PAD P3 REGISTRATION 5 A–B...
  • Page 46 CT-X9000IN / VER.1 FI10 SI10 AUTO HARMONIZE/ RHYTHM GROUP METRONOME, $ BEAT TONE GROUP SELECT ARPEGGIATOR, SELECT $ TYPE POPS, PIANO, INDIAN, SPLIT, TEMPO q 8 BEAT/16 BEAT E.PIANO $ SPLIT POINT ROCK, ORGAN, SYNYH, UPPER LAYER, TAP TEMPO DANCERS...

  • Page 47: Printed Circuit Boards

    CT-X9000IN / VER.1 PRINTED CIRCUIT BOARDS PRINTED CIRCUIT BOARDS Main PCB: M872-MDA1 Power Amp PCB: M872-PSA1 – 5 –...
  • Page 48 CT-X9000IN / VER.1 Console PCB: M871-CNA1 Dial PCB: M871-CNA2 Volume PCB: M871-CNA3 Modulation PCB: M871-CNA4 – 6 –...
  • Page 49 CT-X9000IN / VER.1 Keyboard PCB: M802-KYA1 Keyboard PCB: M802-KYA2 – 7 –...

  • Page 50: Schematic Diagrams

    CT-X9000IN / VER.1 SCHEMATIC DIAGRAMS Main PCB: M872-MDA1 (1/2) USB-B USB-A (CN11) (CN10) CNA1/CN7 CNA1/CN6 KYA1/CN801 CNA1/CN3 Pitch Bend KYA2/CN804 Not used CNA2/CN200 – 8 –...
  • Page 51 CT-X9000IN / VER.1 Main PCB: M872-MDA1 (2/2) SPEAKER (R) SPEAKER (L) PSA1/CN2 PSA1/CN1 CNA1/CN8 Not used – 9 –...
  • Page 52 CT-X9000IN / VER.1 Power Amp PCB: M872-PSA1 LINE OUT PEDAL2 PEDAL1 AUDIO IN MIC VOLUME MIC IN PHONES L/MONO (J1) (J2) (J3) (J4) (VR1) (J5) (J6) (J7) (J8) MDA1/CN3 MDA1/CN34 Not used – 10 –...
  • Page 53 CT-X9000IN / VER.1 Console PCB: M871-CNA1 (1/2) MDA1/CN30 MDA1/CN18 CNA3/CN300 CNA4/CN400 – 11 –...
  • Page 54 CT-X9000IN / VER.1 Console PCB: M871-CNA1 (2/2) MDA1/CN22 MDA1/CN21 Not used – 12 –...
  • Page 55 CT-X9000IN / VER.1 Dial PCB: M871-CNA2 Volume PCB: M871-CNA3 Modulation PCB: M871-CNA4 VOLUME (VR300) DIAL (E200) CNA1/CN1 MDA1/CN31 CNA1/CN2 – 13 –...
  • Page 56 CT-X9000IN / VER.1 Keyboard PCB: M802-KYA1 MDA1/CN5 KYA2/CN803 – 14 –...
  • Page 57 CT-X9000IN / VER.1 Keyboard PCB: M802-KYA2 KYA1/CN802 MDA1/CN6 – 15 –...

  • Page 58: Exploded View

    RUBBER FOOT M441160-002V01 <Notes> Price Code : Refer the latest “Parts Price Code” at “PARTS FINDER” on the Casio Service Website (https://www.servicecasio.com). N : New parts Q’ty : Quantity used per unit R : Rank (A: Essential, B: Stock recommended, C: Others, X: No stock recommended)
  • Page 59 CT-X9000IN / VER.2 EXPLODED VIEW PARTS LIST CT-X9000IN_DI Item Code No. Parts Name Specification Q'ty Remarks Main Panel 10270485 SPONGE/8X75 M441167-001V01 10131094 TOP PIECE RJM502565-001V01 10559870 FILM RJM516225-001V01 10557981 BACK LIGHT PLATE RJM516108-001V01 10559868 RUBBER CONNECTOR/for LCD RJM516226-001V01 10557978 REFLECTOR...
  • Page 60 CT-X9000IN / VER.2 EXPLODED VIEW PARTS LIST CT-X9000IN_DI Item Code No. Parts Name Specification Q'ty Remarks Right Panel 10566005 SPEAKER NET/RIGHT RJM516286-002V01 10575212 FABRIC TAPE/10X60 M440500-3V01 69196290 FABRIC TAPE/20X10 M411742-1 10145912 FABRIC TAPE/5X16 RJM503705-001V01 10565920 SPEAKER COVER/RIGHT RJM516283-001V01 10566003 SIDE PANEL/RIGHT...
  • Page 61 CT-X9000IN / VER.2 EXPLODED VIEW PARTS LIST CT-X9000IN_DI Item Code No. Parts Name Specification Q'ty Remarks Main Case Unit 10399802 WHITE KEY/CB RJM507243*004 10399803 WHITE KEY/CS RJM507244*004 10406652 BLACK KEY/10p RJM506595-005V03 10406653 BLACK KEY/5p RJM506595-006V03 10269451 RUBBER CONTACT/CB RJM507656-001V01 10452739...

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