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Casio LK-100 Service Manual
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Casio LK-100 Service Manual

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LK-100
MAY. 2006
LK-100
Ver.1 : Dec. 2007
ELECTRONIC KEYBOARD
INDEX

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Summary of Contents for Casio LK-100

  • Page 1 LK-100 MAY. 2006 LK-100 Ver.1 : Dec. 2007 ELECTRONIC KEYBOARD INDEX...

  • Page 2: Table Of Contents

    CONTENTS Specifications ---------------------------------------------------------------------------------------------- 1 Circuit Description --------------------------------------------------------------------------------------- 2 Printed Circuit Board ------------------------------------------------------------------------------------ 3 Diagnostic Program -------------------------------------------------------------------------------------- 6 Exploded View --------------------------------------------------------------------------------------------- 9 Parts List --------------------------------------------------------------------------------------------------- 10 Schematic Diagrams ----------------------------------------------------------------------------------- 13...

  • Page 3: Specifications

    On/Off Auto-accompaniment Rhythm patterns: 50 presets Tempo: Adjustable, (216 steps, = 40 to 255), initial value; 120 Chords: Two systems; CASIO CHORD, FINGERED Other: Fill-in pattern, Synchro start Song Bank tunes: 100 tunes Musical Information Function: Tone, Auto Accompaniment, Song Bank numbers and names; tempo, 3 step...

  • Page 4: Circuit Description

    CIRCUIT DESCRIPTION KEY LED MATRIX – – – NOMENCLATURE OF KEYS BUTTON MATRIX START/ TEMPO STOP TEMPO SYNCHRO SONG PART ONE KEY ONE KEY KO10 TONE RHYTHM DEMO BANK SELECT PLAY (L) PLAY (R) LIGHT KO11 STEP1 STEP2 STEP3 SPEAK —...

  • Page 5: Printed Circuit Board

    PRINTED CIRCUIT BOARDS MAIN PCB M662-MDA1 — 3 —...
  • Page 6 CONSOLE PCB M662-CNA1 LED PCBs M645-LDA1/LDA2 — 4 —...
  • Page 7 LED PCBs CSM446-LD3M/LD4M/LD5M Keyboard PCBs M627-KYA1/KYA2 — 5 —...

  • Page 8: Diagnostic Program

    3. The massage “662 TEST” is appears on LCD. 4. Release “0” and “START/STOP” buttons. I Diagnostic program Message on LCD 1. MODE Switch check 1 Set to “CASIO CHORD” position. CASIO 2 Set to “FINGERED” position. FINGER 3 Set to “NORMAL” position.
  • Page 9 Message on LCD 3. D/A check 1 Press “4” button. * When standing in the center, the judge hears the minimum test sound in an equal volume from both right and left speakers 2 Press “5” button.When standing in the center, the judge hears the minimum test sound in an equal volume from both right and left speakers * When standing in the center, the judge hears the medium test sound in an equal volume from both right and left speakers.
  • Page 10 8. LCD check 1 Press the “STEP1” button. * All dots and characters of LCD turn on. * There is no lack of the dot and the charater. * See all dots from lower view angle(38.7°). * See all dots from upper view angle(66.7°). 2 Press the “STEP2”...

  • Page 11: Exploded View

    EXPLODED VIEW — 9 —...

  • Page 12: Parts List

    PARTS LIST LK-100 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 Price Item Parts code Parts name Specification Code R Remarks Main PCB 10243441 PCB ASSY/MAIN TK-RJM506876*001 10240586 IC XC6109N40ANR 10070555 CERAMIC OSCILLATOR CSTCW20M0X51-R0 10207076 TRANSISTOR Q1-4 KTC601U-GR-RTK/P 10209018 TRANSISTOR KTA501U-GR-RTK/P Q5-8 Console PCB 10243440 PCB ASSY/CNA TK-RJM506875*001 10104646 LED 1154HD-B5/10-90 D301 10201501 IC PC900V0NSZXF...
  • Page 14 Price Item Parts code Parts name Specification Code R Remarks Case unit 10228219 SPEAKER C10JB25 10240416 KNOB/SLIDE RJM503803-004V01 19153667 CONTACT/SLIDE CSB-08D 10240401 LCD D050703 10203056 CONNECTOR RJM505826-001V01 10240390 RUBBER/KEY/A RJM506947-001V01 10240391 RUBBER/KEY/C RJM506948-001V01 10240392 RUBBER/KEY/D RJM506949-001V01 10240393 RUBBER/KEY/E RJM506950-001V01 10240395 RUBBER/KEY/F RJM506951-001V01 10240396 RUBBER/KEY/G RJM506952-001V01...

  • Page 15: Schematic Diagrams

    SCHEMATIC DIAGRAMS MAIN PCB M662-MDA1 — 13 —...
  • Page 16 CONSOLE PCBs M662-CNA1 — 14 —...
  • Page 17 LED PCBs M645-LDA1/LDA2 — 15 —...
  • Page 18 LED PCBs CSM446-LD3M/LD4M/LD5M — 16 —...
  • Page 19 Keyboard PCBs M627-KYA1/KYA2 — 17 —...
  • Page 20 Ver.1 : Dec. 2007 • Correction of the DIAGNOSTIC PROGRAM (P6 to P8) CASIO COMPUTER CO.,LTD. Overseas Service Division 6-2, Hon-machi 1-Chome Shibuya-ku, Tokyo 151-8543, Japan...