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Casio CE-300 (EX-247) Service Manual

Also see for CE-300 (EX-247): Service manualMost important functions

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Contents
  1. Table Of Contents
  2. SPECIFICATIONS
  3. BLOCK DIAGRAM 3-1. PCB connection
  4. Block diagram (circuit)
  5. CIRCUIT EXPLANATION 4-1. Power supply circuit
  6. CPU (uPD78052GC-093-3B9)
  7. Display controller (uPD16312GB-3B4)
  8. Power down detection circuit (PWD)
  9. RAM / ROM bank selection circuit
  10. Head drive circuit for printer
  11. Vpp sensor circuit
  12. DIAGNOSTIC 5-1. To start the diagnostic program
  13. To exit the diagnostic test
  14. ERROR CODE 6-1. Operation error code
  15. System lock code
  16. IC DATA 1. TC74HC00AP
  17. TC74HC367AP
  18. S-80745 / S-80719
  19. PCB LAYOUT
  20. CIRCUIT DIAGRAMS
  21. PARTS LIST
Casio CE-300 (EX-247) Service Manual Manual pdf 24 page image
— 22 —7. S-80745 / S-807198. M5237LTerminalINGNDVoltage adjustVoltageadjustGNDStart upOP AMPSTD.VoltageHeatprotectionASOprotectionCurrentprotectionOutIN9. MAX232
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This manual is suitable for:
CE-300 (EX-247)EX-247EX-547MD-910TK-800
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