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Casio DC-7800RS Service Manual & Parts List

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DC-7800RS
DC-8500RS
JAN. 1997
(without price)
(ZX-725)
(ZX-726)
R

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  Summary of Contents for Casio DC-7800RS

  • Page 1 (without price) DC-7800RS (ZX-725) DC-8500RS (ZX-726) JAN. 1997...
  • Page 2: Table Of Contents

    CONTENTS SPECIFICATIONS ......................1 OPERATION CHECK ......................2 DATA TRANSFER......................3 TROUBLESHOOTING......................4 SCHEMATIC DIAGRAMS ....................5 PARTS LIST ........................7 EXPLODED VIEW ......................8...
  • Page 3: Specifications

    " (W) × 3 " (D)) 10.9 (H) × 134 (W) × 180 (D) mm ..Unfolded " (H) × 5 " (W) × 7 " (D)) Weight: DC-7800RS; 121.5 g (4.3 oz)/DC-8500RS; 122 g (4.3 oz) including batteries — 1 —...
  • Page 4: Operation Check

    1 sec- ond. Press for about 1 sec- ond. If the unit is faulty, LCD Press for about 1 sec- indicates “NG” instead ond. of “OK”. DC-8500RS DC-7800RS DC-8500RS: Press about 1 sec- ond. DC-7800RS: Press RESET button. — 2 —...
  • Page 5: Data Transfer

    DATA TRANSFER The DC-7800RS/8500RS can transfer the stored data to another DC-7800RS/8500RS. Note: Before connecting wires, be sure to reset the Back up unit. 1. Remove the BATT 2 battery cover. 2. Connect 4 terminals on the PCB with wires as shown in the figure below.
  • Page 6: Troubleshooting

    Note: Perform the operation in numerical order. Back up unit User's unit Display Operation Display Operation 1 While pushing down RESET 2 While pushing down RESET (Unit emits a buzz.) button, press then re- (Unit emits a buzz.) button, press then re- lease RESET button.
  • Page 7: Schematic Diagrams

    SCHEMATIC DIAGRAMS Main block — 5 —...
  • Page 8 Key block — 6 —...
  • Page 9: Parts List

    3335 6537 LCD AC10CD44105 Common 6419 2230 HOT MELT FILM FX200P50604 Common 6419 8060 PCB ASS’Y DB39XX0300R*1 DC-7800RS 6419 8070 PCB ASS’Y DB39AX0300L*1 DC-8500RS The PCB ASS'Y contains the above elements and COB LSI. COMPONENT 6418 1080 EL PANEL Z723 A341294-1...
  • Page 10: Exploded View

    EXPLODED VIEW — 8 —...
  • Page 11 MA0300171A...

This manual is also suitable for:

Dc-8500rsZx-725Zx-726