Casio CPS-130 Service Manual
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Casio CPS-130 Service Manual

Casio cps-130 electronic keyboard service manual
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(without price)
CPS-130
CPS-130 is similar to CPS-100. Refer to the CPS-100 service manual
for the circuit description that are not covered in this manual.
CPS-130
ELECTRIONIC KEYBOARD
INDEX

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Summary of Contents for Casio CPS-130

  • Page 1 (without price) CPS-130 CPS-130 is similar to CPS-100. Refer to the CPS-100 service manual for the circuit description that are not covered in this manual. CPS-130 ELECTRIONIC KEYBOARD INDEX...

  • Page 2: Table Of Contents

    CONTENTS Specifications ......... . 2 Block Diagram .

  • Page 3: Block Diagram

    BLOCK DIAGRAM Keys and Switches Output KI1 ~ KI8 KO4 ~ KO19 Main Volume Reset IC Control S8053ALR DATA ROUT Reset Filter (R) M5218APR Power Amp. CE(AR18) LC7881C LA4127 LOUT Filter (L) WCK1 M5128APR LRCK CDT109-005 AR0 ~ AR17 HN62414PD25 Speakers KO22 IO0 ~ IO15...

  • Page 4: Key And Switch Matrix

    KEY AND SWITCH MATRIX Demon- stration KO10 KO11 KO12 KO13 KO14 Harpsi- Vibra- KO16 Piano Jazzorgan Pipeorgan chord phone KO18 Power OFF Power ON KO19 (Sustain) Nomenclature of Keys F#3 G#3 A#3 C#4 D#4 F#4 G#4 A#4 C#5 D#5 F#5 G#5 A#5 C2 D2 G2 A2 C3 D3...

  • Page 5: Schematic Diagrams

    SCHEMATIC DIAGRAMS PCB M5312-MA1M Power IC Power Amp. C P U 12 14 Filter Reset IC — 5 —...
  • Page 6 PCB M5312-CN1M — 6 —...
  • Page 7 PCBs M615K-KY1M, KY2M — 7 —...

  • Page 8: Pcb View

    PCB VIEW 12,14 13, 15 9, 11 8, 10 — 8 —...

  • Page 9: Major Waveforms

    MAJOR WAVEFORMS Signal MI Key scan signal KO9 CDT109-005 pin 6 CDT109-005 pin 44 Power ON Key scan signal KO19 CDT109-005 pin 34 DATA LRCK LC7881C pin 8 LC7881C pin 6 WCK1 LC7881C pin 9 LC7881C pin 7 DAC output: LC7881C pin 1 DAC output: LC7881C pin 1 DAC output: LC7881C pin 20 DAC output: LC7881C pin 20...

  • Page 10: Troubleshooting

    Filter output: M5218APR-1 pin 1 Filter output: M5218APR-1 pin 1 Filter output: M5218APR-1 pin 7 Filter output: M5218APR-1 pin 7 Tone: Piano Tone: Flute Key: A3 Key: A3 TROUBLESHOOTING Nature of Trouble Faulty Block Checkpoint No power Power IC (LA5668N) Pin 2 should have +9 V.

  • Page 11: Exploded View

    EXPLODED VIEW 19-2 19-1...

  • Page 12: Parts List

    PARTS LIST CPS-130 Notes: Prices and specifications are subject to change with- out prior notice. As for spare parts order and supply, refer to the "GUIDEBOOK for Spare parts Supply", published seperately. The numbers in item column correspond to the same...
  • Page 13 FOB Japan Item Code No. Parts Name Specification N.R.Yen Unit Price Main PCB Ass'y 2010 7294 LSI LC7881C 2010 9968 LSI CDT109-005 2011 0378 LSI HN62414PD25 2114 0070 Monolithic IC LA4127 2114 1302 Monolithic IC LA5668N 2114 1799 Monolithic IC M5218APR 3850 1216 MOS IC S8053ALR...
  • Page 14 FOB Japan Item Code No. Parts Name Specification N.R.Yen Unit Price 3612 0711 Miniature jack YKB21-5101 3612 0789 Jack YKB21-5010 3841 0476 Coil L2P-7L 3841 0539 Inductor ELE-V100KR-T 4317 0681 Blank PCB M5312-MA1M M110524A-1 6916 7270 PCB ass'y M5312-MA1M M110510*1 Console PCB Ass'y 2320 9764 LED LN251RPP.WE...
  • Page 15 FOB Japan Item Code No. Parts Name Specification N.R.Yen Unit Price 6912 6464 Key top 149 M32440D-45 1 10 3831 0140 Speaker 1211AF4 6916 7343 Lower case sub ass'y M210601C*1 6911 5530 Sponge 50X30 M42106-1 3719 2030 Ribbon cable M312S DF0H02090-35353535 3719 2163 Ribbon cable M312R-1 DF5H02380-35353535...
  • Page 16 8-11-10, Nishi-Shinjuku Shinjuku-ku, Tokyo 160, Japan Sep, 1994 Telephone: 03-3347-4926...

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