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Casio G-2400 Service Manual & Parts List

Module no. qw-2223
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S
M
ERVICE
ANUAL
& PARTS LIST
REF. NO. S/M-710
SEP. 2000
MODULE NO.
QW-2223
G-2400
INDEX
(WITHOUT PRICE)
R

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Table of Contents
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  Summary of Contents for Casio G-2400

  • Page 1 ERVICE ANUAL & PARTS LIST REF. NO. S/M-710 SEP. 2000 MODULE NO. QW-2223 G-2400 INDEX (WITHOUT PRICE)
  • Page 2: Table Of Contents

    CONTENTS Page 1. SPECIFICATIONS: QW-2223 ..............1 2. OPERATION CHART: QW-2223 ..............2 3. DRAWINGS: QW-2223 3-1. BLOCK DIAGRAMS ................5 3-2. CHECKING TERMINALS AND COMPONENT ........7 4. EXPLODED VIEW: QW-2223 ..............8 5. PARTS LIST: QW-2223 ................9 6.
  • Page 3: Operation Chart: Qw-2223

    2. OPERATION CHART: QW-2223 GENERAL GUIDE • Press C to change from mode to mode. • Pressing L in any mode (except Stopwatch Mode) illuminates the display for about 2 seconds. • Pressing D in the Stopwatch Mode illuminates the display for about 2 seconds. •...
  • Page 4 The message ERROR flashing on the display indicates that the battery is about to go dead. When this happens, request battery replacement from your origi- nal retailer or from an authorized CASIO distributor. You will not be able to enter the Stopwatch Mode and Recall Mode while ERROR is flashing on the display.
  • Page 5 CITY CODE TABLE City City Other major cities in the same time zone differential Code –11 PAGO PAGO - - - –10 HONOLULU PAPEETE ANC ANCHORAGE NOME –9 SAN FRANCISCO, LAS VEGAS, LAX LOS ANGELES –8 VANCOUVER, SEATTLE, DAWSON CITY –7 DENVER EL PASO, EDMONTON...
  • Page 6: Block Diagrams

    3. DRAWINGS: QW-2223 3-1. BLOCK DIAGRAMS RECALL AUTOEL DST0 DST1 LAPSPL COM. COM. L C 1 L C 2 L C 3 L C 4 L C 5 L C 1 L C 2 L C 3 L C 4 L C 5 SEG.
  • Page 7 — 6 —...
  • Page 8: Checking Terminals And Component

    3-2. CHECKING TERMINALS AND COMPONENT Xtal 5. Oscillator/Crystal Capacitor/Chip C7 Capacitor/Chip (7110 6323) 8. Cushion/6 7. Cushion/506 C3 Capacitor/Chip (7211 0064) (7211 9631) CT 4. Capacitor/Trimmer Resistor/Chip Resistor/Chip (1001 0950) Capacitor/ C2 Capacitor/ Transistor Tantalum Chip VDD2 VDD2 VDD1 VDD2 VDD2 SCUT VDD3...
  • Page 9: Exploded View: Qw-2223

    4. EXPLODED VIEW: QW-2223 1 (1002 4518) 12 (1002 4512) 2 (1001 6311) 13 (7230 0616) 10 (1001 6309) 10 (1001 6309) 3 (7640 3596) PCB ass'y 6 (7236 0286) 15 (7230 0497) 14 (7201 9249) 9 (7231 1952) 11 (7233 0952) Battery/Lithium (CR2016) —...
  • Page 10: Parts List: Qw-2223

    4. As for order/supply of spare parts, refer to the separate publication "GUIDE BOOK for spare parts supply". Item Code No. Parts Name Specification Applicable 7640 3617 MODULE/WITHOUT MOVEMENT QW-2223AT-01TK G-2400-1V/2V 1002 4518 LCD C2223-01P QW-2223AT-01 1001 6311 EL YEL-2171-A-01 QW-2223AT-01 7640 3596 PCB ASS'Y...
  • Page 11: Precautions For Repair: Qw-2223

    6. PRECAUTIONS FOR REPAIR: QW-2223 6-1. AC (ALL CLEAR) AND REMOVING OF MODULE 1. Perform AC (ALL CLEAR) when inserting a new battery, or else the memories and/ or counters may give erratic displays. Touch the AC contact and the negative (–) side of the main plate with the metallic tweezers. The contact should be made for about two seconds.
  • Page 12 CASIO TECHNO CO.,LTD. Overseas Service Division Nishi-Shinjuku Kimuraya Bldg. 1F 5-25, Nishi-Shinjuku 7-Chome Shinjuku-ku, Tokyo 160-0023, Japan...