Casio WVA-300D Service Manual & Parts List
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Casio WVA-300D Service Manual & Parts List

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S
M
ERVICE
ANUAL
& PARTS LIST
REF. NO. S/M-763
JAN. 2002
MODULE NO.
QW-2367
WVA-300D
INDEX
(WITHOUT PRICE)
R

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Summary of Contents for Casio WVA-300D

  • Page 1 ERVICE ANUAL & PARTS LIST REF. NO. S/M-763 JAN. 2002 MODULE NO. QW-2367 WVA-300D INDEX (WITHOUT PRICE)

  • Page 2: Table Of Contents

    CONTENTS 1. SPECIFICATIONS: QW-2367 ..............1 2. OPERATION CHART: QW-2367 ..............2 3. DRAWINGS: QW-2367 3-1. LCD DIAGRAM ..................... 7 3-2. CIRCUIT DIAGRAM ..................8 3-3. CHECKING TERMINALS AND COMPONENTS .......... 9 3-4. P1 ~ P5 PADS ....................9 4. EXPLODED VIEW: QW-2367 ..............10 5.

  • Page 3: Specifications: Qw-2367

    1. SPECIFICATIONS: QW-2367 Item Detail Battery CTL1616 (Storage battery) Note: Use CTL1616 only. Other storage battery or CR1616 can cause damage to the watch. Battery life Approx. 6 month (from full charged condition) 0.548 µA maximum Current consumption Alarm system Piezo plate on Cover/Back ±15 sec./month Accuracy...

  • Page 4: Operation Chart: Qw-2367

    2. OPERATION CHART: QW-2367 General Guide · Press C to change from mode to mode. Telememo Mode Alarm Mode · In any mode, press B to illuminate the display. Day Counter Mode Timekeeping Mode Press C. Hand Setting Mode Stopwatch Mode Timekeeping Use the Timekeeping Mode to set and view the current time and date.
  • Page 5 Auto Summer Time (DST) Switching About Auto Receive The time calibration signal transmitted from Mainflingen, Germany includes When auto receive is turned on, the watch automatically starts to receive the both standard time and summer time (Daylight Saving Time or DST) data. time calibration signal when the digital time in the Timekeeping Mode reaches Because of this, the watch automatically switches between standard time and 2:00 AM, and 4:00 AM each day (calibration times).
  • Page 6 4. When the setting you want to change is selected, use B and D to change When you want to do this: Perform this button operation: · Press B. Move the hand setting · Selecting the text causes the text input cursor to appear. back 20 seconds ·...
  • Page 7 3. Press B and D at the same time to delete the record. your dealer or CASIO distributor about having the rechargeable battery · The message “CLEAR” appears for a few moments, and then the cursor replaced.
  • Page 8 Reference This section contains more detailed and technical information about watch Inputting Text operation. It also contains important precautions and notes about the various The following describes how to input text in the Day Counter and Telememo features and functions of this watch. Modes.

  • Page 9: Drawings: Qw-2367

    3. DRAWINGS: QW-2367 3-1. LCD DIAGRAM ANT2 ANT1 ANT0 BAT0 BAT1 CHARGE RECOVER COM. SEG. BAT0 BAT1 RECOVER X0Y4 X0Y3 X0Y2 X0Y1 X0Y0 X1Y4 X1Y3 X1Y2 X1Y1 X1Y0 X2Y4 X2Y3 X2Y2 X2Y1 X2Y0 X3Y4 X3Y3 X3Y2 X3Y1 X3Y0 X4Y4 X4Y3 X4Y2 X4Y1 X4Y0...

  • Page 10: Circuit Diagram

    3-2. CIRCUIT DIAGRAM — 8 —...

  • Page 11: Checking Terminals And Components

    3-3. CHECKING TERMINALS AND COMPONENTS Capacitor/Chip Detection IC Capacitor/Chip 10. Cushion/506 Resistor/Chip (7211 9631) Resistor/Chip Xtal2 5. Oscillator/Crystal (1003 0868) Resistor/Chip Varistor 10. Cushion/506 Capacitor/Chip Capacitor/Chip (7211 9631) Resistor/Chip Capacitor/ Chip Capacitor/Chip Transistor Capacitor/Chip Coil Capacitor/Chip Diode Resistor/Chip Resistor/ Chip Inverter Coil Resistor/...

  • Page 12: Exploded View: Qw-2367

    4. EXPLODED VIEW: QW-2367 27 (7224 0652) 12 (1006 5660) 28 (1005 4633) 7 (7640 5041) 18 (1006 5653) 7-1 (1006 2535) 7-2 (7227 0273) 26 (7209 9263) 21 (1003 0983) 21 (1003 0983) 1 (1006 5656) 2 (1006 5665) 19 (1006 5661) 20 (1001 4294) 20 (1001 4294)

  • Page 13: Parts List: Qw-2367

    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 1006 5039 MODULE/WITH MOVEMENT QW-2367YCSA-01 WVA-300D-1A1/1A2 WVA-300K-1A 1006 5656 LCD C2368-01 QW-2367YCSA-01 1006 5665 EL YEL-2368-A-01 QW-2367YCSA-01...

  • Page 14: Precautions For Repair: Qw-2367

    6. PRECAUTIONS FOR REPAIR: QW-2367 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 positive (+) side of the battery or main plate with the metallic tweezers. The contact should be made for about two seconds.

  • Page 15: Troubleshooting: Qw-2367

    7. TROUBLESHOOTING: QW-2367 This is a flow chart about signal reception. START Check whether the Home City code is selected correctly. To perform MANUAL time calibration signal reception (See page 3 of this manual). Signal reception OK? To perform AUTO time calibration signal reception (See page 3 of this manual).
  • Page 16 CASIO TECHNO CO.,LTD. Overseas Service Division Nishi-Shinjuku Kimuraya Bldg. 1F 5-25, Nishi-Shinjuku 7-Chome Shinjuku-ku, Tokyo 160-0023, Japan...

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