Casio SF-R10- User Manual

Casio SF-R10

Casio SF-R10– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – CONTENTS; CIRCUIT EXPLANATIONS
  • Page 3 – SCHEMATIC DIAGRAM; Main PCB
  • Page 4 – Display PCB
  • Page 5 – Key Matrix
  • Page 6 – SPECIFICATIONS; Operating temperature: 0
  • Page 7 – TO REPLACE THE BATTERY; A) To replace the main batteries; Replace the battery holder.
  • Page 8 – ERROR MESSAGE; The following procedure will erase
  • Page 9 – TO SAVE THE DATA TO OTHER MACHINE
  • Page 10 – and; NONE
  • Page 12 – key pressed on transmitting or receiving unit.; TO CHECK THE MEMORY CAPACITY; There are two types of Memory Capacity Display, as shown below:; SPREADSHEET: Total memory used for storage of Spreadseet data.
  • Page 13 – ) To open display unit; remove 2 screws, then remove the display back cover.
  • Page 14 – ) To open battery cover and back cover; GND
  • Page 15 – GATE ARRAY; LCD; RAM
  • Page 16 – VDD; Generally, SF-8500 is working with the following steps.; CIRCUIT EXPLANATIONS; CPU; ROM; Gate array sends ROM output
  • Page 17 – ) Power supply circuit for ROMs; The voltage of the ROM (LSI6) is supplied from the VCC lines.; Main switch; There are three detectors of the main batteries in the circuits.
  • Page 18 – Others
  • Page 20 – Gate array
  • Page 21 – 0) Power supply for LCD
  • Page 26 – DIAGNOSTIC OPERATION
  • Page 28 – KEY; Note: The Internal/External switch is activated; TM DISP
  • Page 30 – Battery level check
  • Page 31 – Generally, check the machine with the followning steps for repair.; Repair section 1 : For no key input problem
  • Page 33 – Repair section 3 : For memory problem; Repair section 2 : For no display or wrong display problem
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SF-8500

(LX-575)

AUG. 1993

R

(without price)

INDEX

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Summary

Page 2 - CONTENTS; CIRCUIT EXPLANATIONS

CONTENTS 1. SCHEMATIC DIAGRAM ................................................................................................ 1 2. SPECIFICATIONS ......................................................................................................... 5 3. TO REPLACE THE BATTERY ......................

Page 3 - SCHEMATIC DIAGRAM; Main PCB
Page 4 - Display PCB

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