Casio Electronic Keyboard Ctk 230 Sep 2003 Users Manual S/M
CTK-230 Casio CTK230 service manual
ctk230sep2003 0641ed68-ce23-44f4-88e8-abe606d7cb69 Casio Electronic Keyboard CTK-230 Sep. 2003 User Guide |
2015-01-21
: Casio Casio-Casio-Electronic-Keyboard-Ctk-230-Sep-2003-Users-Manual-243271 casio-casio-electronic-keyboard-ctk-230-sep-2003-users-manual-243271 casio pdf
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CTK-230 SEP. 2003 CTK-230 HIGH-GRADE KEYBOARD INDEX Ver.1 : Jan. 2004 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 SPECIFICATIONS GENERAL Keyboard: Tones: Polyphony: Auto Accompaniment Rhythm Patterns: Tempo: Chords: Rhythm Controller: Accomp Volume: Song Bank Tunes: Controllers: Display Name display: Tempo: Chord: Song Bank Status: Other Functions Transpose: Tuning: Volume: Terminals Phones/Output Terminal: Power Supply Terminal: Power Supply: Batteries: Battery Life: AC Adaptor: Auto Power Off: Speaker Output: Power Consumption: Dimensions: Weight: 49 standard-size keys, 4 octaves 100 12 notes maximum (6 for certain tones) 100 Variable (236 steps, = 20 to 255) 2 fingering methods (CASIO CHORD, FINGERED) START/STOP, SYNCHRO/FILL-IN 0 to 9 (10 steps) 50 PLAY/PAUSE, STOP, MELODY ON/OFF TONE, RHYTHM, SONG BANK name/number, keyboard setting names/ values Tempo value, metronome, synchro standby, beat indicator, volume setting Chord name PLAY, PAUSE, MELODY ON/OFF 12 steps (–6 semitones to +5 semitones) Variable (A4 = approximately 440Hz ±50 cents) 0 to 9 (10 steps) Stereo standard jack (Output is monaural.) Output Impedance: 78Ω Output Voltage: 3V (RMS) MAX 9V DC Dual power supply system 6 AA-size batteries Approximately 6 hours continuous operation on alkaline batteries Approximately 3 hours continuous operation on manganese batteries AD-5 Turns power off approximately 6 minutes after last operation. Enabled under battery power only, can be disabled manually. ø 10cm × 2 (1.6W + 1.6W) 9V 6.5W 87.5 × 30.0 × 10.0 cm (34 1/2 × 11 13/16 × 3 15/16 inch) Approximately 3.2 kg (7.1 lbs) (without batteries) ELECTRICAL Current drain with 9 V DC: No sound output Maximum volume with 12 keys C3 to G4 pressed in Synth-Lead 1 Volume: 9 (Max.) Phone output level (Vrms with 32 Ω load each channel): with key C5 pressed in Synth-Lead 1 Speaker output level (Vrms with 4 Ω load each channel): with key E2 pressed in Synth-Lead 1 Output level (Vrms with 47 KΩ load each channel): with key C5 pressed in Synth-Lead 1 —1— 79 mA ± 20 % 426 mA ± 20 % 200 mV ± 20 % 640 mV ± 20 % 675 mV ± 20 % —2— DC + 9 V IN Speaker (R) Speaker (L) VCC DVDD AVDD Power Amp. LA4227 IC201 Power Supply Circuit Q201 ~ Q203, D204 VC Phones/Output Power Switch APO DB4 ~ DB7 LCD MPU ML6556 IC202 LCD-E LCD-RW LCD-RS KOD8 ~ KOD12 KID0 ~ KID6 KI0 ~ KI6 Buttons Keyboard BLOCK DIAGRAM CIRCUIT DESCRIPTION KEY MATRIX KID0 KID1 KID2 KID3 KID4 KID5 KID6 KOD8 — + 0 3 2 1 TEMPO ▲ SYNCRO/ FILL IN VOLUME ▼ KOD9 TEMPO ▼ START/ STOP F5 VOLUME ▲ ACCOMP VOLUME KOD10 6 5 4 TRANSPOSE/ TUNE SONG BANK RHYTHM TONE KOD11 9 8 7 FINGERED CASIO CHORD NORMAL OFF KOD12 E2 MELODY ON/OFF PLAY/ PAUSE STOP NOMENCLATURE OF KEYS C#2 D#2 C2 D2 E2 F#2 G#2 F2 G2 A#2 A2 B2 C#3 D#3 C3 D3 E3 F#3 G#3 F3 G3 A#3 A3 C#4 D#4 B3 C4 D4 —3— F#4 G#4 E4 F4 G4 A#4 A4 C#5 D#5 B4 C5 D5 F#5 G#5 E5 F5 G5 A#5 A5 B5 C6 PRINTED CIRCUIT BOARDS Main PCB CMW277-MAIN Top View Bottom View JACK PCB CMW277-MA2M —4— 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. Remove 8 screws and then the Speaker. —5— DIAGNOSTIC PROGRAM Message on LCD ■Initial Setting AD-5 1. Connect an AC adaptor. ■ 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 2 Press “FINGERED” button. TONE 3 Press “NORMAL” button. SONG BANK TEST TEST TEST 2. SWITCH check 1 Press “0” button. SWITCH 2 Press the buttons in the following order. 1 2 3 4 5 6 7 11 8 12 9 10 14 15 16 17 18 19 20 21 22 23 24 25 26 13 3 OK sound must be audible with the display as Message on LCD 3. ROM check 1 Press “2” button. SWIT OK ROM TEST ↓ ROM 0000 ↓ ROM OK OK sound must ne audible. 4. ROM Ver. check 1 Press “1” button. Pip sound must be audible. 277Vr170 5. D/A check 1 Press “4” button. Minimum sine wave sound must be audible at center position. MIN 2 Press “5” button. Middle sine wave sound must be audible at center position. MID 3 Press “6” button. Maximum sine wave sound must be audible at center position. MAX —6— Message on LCD 6. LCD check 1 Press “TONE” button. LCD 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” button. The display must be changed to pattern 1 dot matrix. 5 Press “TONE” button. The display must be changed to pattern 2 dot matrix. 6 Press “TONE” button. The display must be changed to pattern 1 characters. 7 Press “TONE” button. The display must be changed to pattern 2 characters. 8 Press “TONE” button. The display must be changed to as remark. 7. AC Adaptor check 1 Press “SONG BANK” button. OK sound must be audible. TEST P=AC ADP 8. APO check 1 Press “STOP” button. * Go out from TEST mode (Power off). * The LCD turns off. DIAGNOSTIC PROGRAM IS FINISHED. —7— —8— Main PCB CMW277-MAIM SCHEMATIC DIAGRAMS —9— Keyboard PCBs JCM4911K-KY1M/KY2M EXPLODED VIEW 2 1 11 3 10 7 9 8 6 5 15 16 12 17 13 14 18 — 10 — 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. 1. Prices and specifications are subject to change without prior notice. 2. As for spare parts order and supply, refer to the "GUIDEBOOK for Spare parts Supply", published seperately. 3. The numbers in item column correspond to the same numbers in drawing. — 11 — N Item Parts code N 1 9481 2403 Parts name Specification N 2 1014 9232 ASSY/PANEL/SPEAKER KNOB N 3 SPEAKER 1 Price Code BG 1 AA Q R C CTK-230-1 ##073-49104000 SWITCH/SLIDE KNOB ##051-40000080 1 AD C BE B C - 4 1014 9231 3831 1043 N 5 1014 9219 RUBBER/BUTTON S10JA13B ##072-49105000 2 1 AA C ##072-49109000 1 AB C N 6 1014 9229 RUBBER/BUTTON N 7 1014 9226 RUBBER/BUTTON ##072-49108000 1 AB C ##072-49107000 1 AA C N 8 1014 9224 RUBBER/BUTTON N 9 1014 9218 RUBBER/BUTTON ##072-49104000 1 AA C ##072-49106000 1 AC C ##072-49103000 8CA-120-49102000 1 1 AD BG C C N 10 1014 9222 RUBBER/BUTTON N N 11 12 1014 9216 1014 9178 RUBBER/BUTTON LCD ASSY N 13 1014 9174 PCB ASSY/MAIN 8CA-120-49101000 1 CF A 8CA-120-49103000 1 AO C N 14 1014 9188 PCB ASSY/JACK N 15 1014 9258 SET KEY/WHITE ##150-49102000 1 AO C ##150-49101000 3 AN C ##150-49103000 2 AK C ASSY/CASE/PCB CTK-230-2 1 BR C STAND/NOTE ##040-49104000 1 AI C N 16 1014 9234 SET KEY/WHITE N 17 1014 9259 SET KEY/BLACK N 18 N - 9481 2404 ACCESSORY 1014 9205 Notes : Q- Quantity per unit R- Rank — 12 — Remarks 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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