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Casio MWA-800G User Manual

Casio MWA-800G
52 pages
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WATCH BASIC
REPAIR MANUAL
(RANKS A AND B)
JULY 1997
PRT-40C
(QW-1470)
MWA-800G
(QW-1325)
R
ABX-68B
(QW-1359)

Table of Contents

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Casio MWA-800G Specifications

General IconGeneral
ModelMWA-800G
BrandCasio
CategoryWatch
Case MaterialResin
Band MaterialResin
MovementQuartz
Dial ColorBlack
BandResin Band
Power Supply and Battery LifeApprox. battery life: 3 years on SR626SW
GlassMineral Glass
Accuracy±30 seconds per month
Stopwatch1/100 second stopwatch
LightLED light
CalendarAuto-calendar pre-programmed until the year 2099
Other Features12/24-hour format
Display TypeAnalog
Battery Life3 years on SR626SW
Water Resistance100 meters
FeaturesWorld time, stopwatch, alarm

Summary

Flow Chart for Module Repair Without Movement

Flow Chart for Module Repair With Movement

Flow Chart for Casing Parts Repair

Accuracy Setting Methods

Accuracy Setting by Capacitor/Trimmer

Procedure for adjusting watch accuracy using a capacitor/trimmer and quartz timer.

Accuracy Setting by Pad Selection

How to adjust accuracy by changing capacitance via pad selection on the PCB.

Digital Tuning (Pattern Cutting) Method

Method for adjusting analog watch accuracy by cutting lead wires on the PCB.

LCD Replacement

Casing Parts Replacement

Glass Replacement Procedure

Detailed steps for safely pressing in a new glass and packing for water resistance.

Button Replacement Procedure

Guide for removing and installing watch buttons, including E-ring mechanism and lubrication.

Waterproof Inspection Procedures

Water Resistant Tester Operation

Procedure for using a water resistant tester to detect water penetration points by observing bubbles.

Air Leak Checker Operation

Instructions for operating an air leak checker for quick waterproof inspections.

Water Pressure Tester and Hot Plate

Method for performing high-pressure waterproof tests and using a hot plate for condensation checks.

Sensor/Pressure Evaluation and Replacement

Troubleshooting with Sensor/Pressure Trimming Jig

Flowchart for troubleshooting sensor/pressure issues using a dedicated trimming jig.

Troubleshooting Without Sensor/Pressure Trimming Jig

Flowchart for troubleshooting sensor/pressure issues without specialized trimming equipment.

Sensor/Pressure Quality Evaluation

Method for evaluating sensor/pressure quality by measuring resistance values.

Module/Movement Repair

Module/Movement Disassembly, Cleaning, Lubrication, Reassembly

Clock Repair: Heat Seal Replacement

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