Casio CTK-2300 Service Manual

Casio CTK-2300 Service Manual

High-grade keyboard

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CTK-230
SEP. 2003
CTK-230
HIGH-GRADE KEYBOARD
INDEX
Ver.1 : Jan. 2004

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Summary of Contents for Casio CTK-2300

  • Page 1 CTK-230 SEP. 2003 CTK-230 HIGH-GRADE KEYBOARD INDEX Ver.1 : Jan. 2004...
  • Page 2: Table Of Contents

    CONTENTS Specifications ---------------------------------------------------------------------------------------------- 1 Block Diagram --------------------------------------------------------------------------------------------- 2 Circuit Description --------------------------------------------------------------------------------------- 3 Printed Circuit Board ------------------------------------------------------------------------------------ 4 Disassembly ------------------------------------------------------------------------------------------------ 5 Diagnostic Program -------------------------------------------------------------------------------------- 6 Schematic Diagrams ------------------------------------------------------------------------------------- 8 Exploded View ------------------------------------------------------------------------------------------- 10 Parts List --------------------------------------------------------------------------------------------------- 11...
  • Page 3: Specifications

    12 notes maximum (6 for certain tones) Auto Accompaniment Rhythm Patterns: Tempo: Variable (236 steps, = 20 to 255) Chords: 2 fingering methods (CASIO CHORD, FINGERED) Rhythm Controller: START/STOP, SYNCHRO/FILL-IN Accomp Volume: 0 to 9 (10 steps) Song Bank Tunes:...
  • Page 4: Block Diagram

    BLOCK DIAGRAM — 2 —...
  • Page 5: Circuit Description

    — START/ SYNCRO/ ACCOMP KOD9 STOP FILL IN VOLUME TRANSPOSE/ SONG KOD10 RHYTHM TONE TUNE BANK CASIO KOD11 FINGERED NORMAL CHORD MELODY PLAY/ KOD12 STOP ON/OFF PAUSE NOMENCLATURE OF KEYS C#2 D#2 F#2 G#2 A#2 C#3 D#3 F#3 G#3 A#3...
  • Page 6: Printed Circuit Board

    PRINTED CIRCUIT BOARDS Main PCB CMW277-MAIN Top View Bottom View JACK PCB CMW277-MA2M — 4 —...
  • Page 7: Disassembly

    DISASSEMBLY 1. Remove the battery cover and then take out the battery. 2. Remove 7 screws and then the console panel. JACK PCB Speaker Speaker Main PCB 3. Remove 12 screws and then the Main PCB. 4. Remove 2 screws and then the JACK PCB. 5.
  • Page 8: Diagnostic Program

    How to start diagnostic program 1. Press the “POWER” button while pressing the “0 Up” and “START/STOP” buttons. SONG BANK TEST Diagnostic program 1. MODE Swtich check 1 Press “CASIO CHORD” button. RHYTH TEST 2 Press “FINGERED” button. TONE TEST 3 Press “NORMAL”...
  • Page 9 Message on LCD 6. LCD check 1 Press “TONE” button. 2 Press “TONE” button. *Pip sound must be audible. The display must be changed to turn on all dots. 3 Press “TONE” button. The display must be changed to no display. 4 Press “TONE”...
  • Page 10: Schematic Diagrams

    — 8 —...
  • Page 11 — 9 —...
  • Page 12: Exploded View

    EXPLODED VIEW — 10 —...
  • Page 13: Parts List

    PARTS LIST CTK-230 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. Prices and specifications are subject to change with- out prior notice.
  • Page 14 P r i c e I t e m Parts code Parts name Specification Remarks Code 9481 2403 ASSY/PANEL/SPEAKER CTK-230-1 KNOB ##073-49104000 1014 9232 SWITCH/SLIDE KNOB ##051-40000080 1014 9231 3831 1043 SPEAKER S10JA13B RUBBER/BUTTON ##072-49105000 1014 9219 RUBBER/BUTTON ##072-49109000 1014 9229 RUBBER/BUTTON ##072-49108000 1014 9226...
  • Page 15 Ver.1 : Jan. 2004 Replacement of the EXPLODED VIEW and PARTS LIST CASIO TECHNO CO.,LTD. Overseas Service Division 6-2, Hon-machi 1-Chome Shibuya-ku, Tokyo 151-8543, Japan...

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Ctk-230

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