Casio CTK-710 Service Manual

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User manual (48 pages)

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CTK-710

APR. 2006

CTK-710

ELECTRONIC KEYBOARD

Ver.1 : Mar. 2007

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Table of Contents

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Summary of Contents for Casio CTK-710

Page 1 CTK-710 APR. 2006 CTK-710 ELECTRONIC KEYBOARD Ver.1 : Mar. 2007 INDEX...
Page 2: Table Of Contents
Printed Circuit Board ------------------------------------------------------------------------------------ 5 Diagnostic Program -------------------------------------------------------------------------------------- 7 Exploded View --------------------------------------------------------------------------------------------- 9 Parts List --------------------------------------------------------------------------------------------------- 10 Schematic Diagrams ----------------------------------------------------------------------------------- 13 I Disassembly Disassembly Procedure: Please refer to the procedure in CTK-496 service manual since CTK-710 has the same frame as 496.
Page 3: Specifications
32 notes maximum (16 for certain tones) Main Volume: Adjustable Auto Accompaniment Rhythm Patterns: Chords: 2 fingering methods (CASIO CHORD, FINGERED) Rhythm Controller: START/STOP, SYNCHRO, FILL-IN 3-step Lesson: 3 lessons (Step 1, 2, 3) Playback: Repeat play of a single tune...
Page 4 ELECTRICAL Current drain with 9 V DC: 670 mA ± 20 % Consumption Current 125 mA ± 20 % Consumption Current at idle with 12 keys from C1 to G2 pressed in 85 SINE LEAD Volume: maximum, Velocity: maximum Speaker output level (Vrms with 4 Ω load each channel): with key D2 in 85 SINE LEAD 2100 mV ±...
Page 5: Block Diagram
BLOCK DIAGRAM CONSOLE PCB Phones/ AC ADAPTOR (M628-CNA1) Output DC 9V Speakers Power AMP Battery Filter LA4227-E NJM2068M IC100 Power Supply IC104 Q100 ~ Q102 LCD Controller Filter ST7066U D108 NJM2068M IC101 (5.3V) (5.3V) (9.0V) (9.0V) Button LDB4 ~ 7 Main Mic Volume Volume...
Page 6: Circuit Description
CIRCUIT DESCRIPTION KEY MATRIX C#21 D#21 F#21 C#22 D#22 F#22 G#21 A#21 C#31 D#31 G#22 A#22 C#32 D#32 F#31 G#31 A#31 F#32 G#32 A#32 C#41 D#41 F#41 C#42 D#42 F#42 G#41 A#41 C#51 D#51 G#42 A#42 C#52 D#52 F#51 G#51 A#51 F#52 G#52...
Page 7: Printed Circuit Board
PRINTED CIRCUIT BOARD MAIN PCB M628-MDA1 — 5 —...
Page 8 CONSOLE PCB M628-CNA1 KEY PCB M627-KYA1 KEY PCB M627-KYA2 — 6 —...
Page 9: Diagnostic Program
2. The massage “628 TEST” is displayed on LCD. 3. Release the “0” button. I Diagnostic program Message on LCD 1. MODE Switch check 1 Set to “CASIO CHORD” position. Casio 2 Set to “FINGERED” position. Frigerd 3 Set to “NORMAL” position.
Page 10 Message on LCD 7. Sound check 1 Press the “4” button. * When standing in the center, the tester hears the minimum test sound in an equal volume from both right and left speakers. 2 Press the “5” button. * When standing in the center, the tester hears the medium test sound in an equal volume from both right and left speakers.
Page 11: Exploded View
EXPLODED VIEW — 9 —...
Page 12: Parts List
PARTS LIST CTK-710 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 13 P r i c e I t e m Parts code Parts name Specification Remarks Code Main PCB 10238296 PCB ASSY/MAIN TK-RJM506723*001 IC11 10158805 RH5RL33AA-T1-FA IC13 10159723 RN5VD28AA-TR-FA IC5,IC6 10116986 SN74AHCT1G08DCKR 10197555 TC7SZ14FU(TE85L.F) 10158809 COIL DLP31SN221SL2L L2,L3,L5 10095204 FERRITE BEAD BLM18AG102SN1D 10122963 FERRITE BEAD...
Page 14 P r i c e I t e m Parts code Parts name Specification Remarks Code IC100 10189501 LA4227-E IC104,IC105 10211950 NJM2068M-D(TE1) J100 10206816 JACK JY-6314*01-130 C MIC JACK J101 10213695 JACK JY-6316*01-070 C PHONE JACK J102 10088189 JACK DS-240A2-383V4H C DC JACK J103 10206815...
Page 15: Schematic Diagrams
SCHEMATIC DIAGRAMS MAIN PCB M628-MDA1 — 13 —...
Page 16 CONSOLE PCB M628-CNA1 — 14 —...
Page 17 KEY PCB M627-KYA1/KYA2 — 15 —...
Page 18 Ver.1 : Mar. 2007 Correction of the DIAGNOSTIC PROGRAM (P7, P8) CASIO COMPUTER CO.,LTD. Overseas Service Division 6-2, Hon-machi 1-Chome Shibuya-ku, Tokyo 151-8543, Japan...

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