Casio CE-300 (EX-247) Service Manual

Casio

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📖  Manuals supported for 4 models of Casio

  • EX-547
  • TK-800
  • MD-910
  • EX-247

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Table of Contents
  • 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)

    9
  • Power down detection circuit (PWD)

    10
  • RAM / ROM bank selection circuit

    11
  • Head drive circuit for printer

    12
  • Vpp sensor circuit

    13
  • DIAGNOSTIC 5-1. To start the diagnostic program

    14
  • To exit the diagnostic test

    19
  • ERROR CODE 6-1. Operation error code

    20
  • System lock code

    21
  • IC DATA 1. TC74HC00AP

    22
  • TC74HC367AP

    23
  • S-80745 / S-80719

    24
  • PCB LAYOUT

    25
  • CIRCUIT DIAGRAMS

    26
  • PARTS LIST

    41