Advertisement

S
M
ERVICE
ANUAL
& PARTS LIST
REF. NO. S/M-709
SEP. 2000
MODULE NO.
QW-2140
FKT-300
INDEX
(WITHOUT PRICE)
R

Advertisement

Table of Contents
loading

Summary of Contents for Casio QW-2140

  • Page 1 ERVICE ANUAL & PARTS LIST REF. NO. S/M-709 SEP. 2000 MODULE NO. QW-2140 FKT-300 INDEX (WITHOUT PRICE)
  • Page 2: Table Of Contents

    CONTENTS Page 1. SPECIFICATIONS: QW-2140 ..............1 2. OPERATION CHART: QW-2140 ..............2 3. DRAWINGS: QW-2140 3-1. BLOCK DIAGRAMS..................6 3-2. CHECKING TERMINALS AND COMPONENT..........8 4. EXPLODED VIEW: QW-2140 ..............9 5. PARTS LIST: QW-2140 ................10 6. PRECAUTIONS FOR REPAIR: QW-2140 6-1.
  • Page 3: Specifications: Qw-2140

    1. SPECIFICATIONS: QW-2140 Item Detail Battery CR1620 Battery life Approx. 2 years 2.2 µA maximum Current consumption Alarm system Piezo plate on Back cover ±15 sec./month Accuracy Accuracy setting system Trimmer capacitor Accuracy checking See page 11 Functions •Electro-luminescent backlight •Accuracy at normal temperature: ±...
  • Page 4: Operation Chart: Qw-2140

    2. OPERATION CHART: QW-2140 ABOUT THIS MANUAL • Button operations are indicated using the letters shown • Each section of this manual provides you with the information you need to perform in the illustration. operations in each mode. Further details and technical information can be found in the “REFERENCE”...
  • Page 5 To perform manual time calibration signal reception To view Alarm Mode screen In the Alarm Mode, use B and D to cycle through the alarm screens as shown 1. Place the watch on a stable surface to its top (12 o’clock side) is facing in the general direction of below.
  • Page 6 Press D. To create a new Telememo record 1. In the Telememo Mode, press B or D until a record Press B. showing the name “NEW” (indicating the new record input screen) appears. • A Day Counter Number screen remains on the display for about two seconds, after •...
  • Page 7 • Radio interference can make signal reception impossible. REFERENCE • Strong electrostatic charge can result in the wrong time being set. • The daily alarm and hourly time signal do not operate during signal reception. This section contains more detailed and technical information about watch operation. •...
  • Page 8: Drawings: Qw-2140

    3. DRAWINGS: QW-2140 3-1. BLOCK DIAGRAMS ANT0 adeg3 col0 col1 COM. COM. SEG. SEG. X14Y2 X14Y1 X14Y0 X14Y4 X14Y3 X36Y2 X36Y3 X36Y4 X36Y0 X36Y1 X13Y2 X13Y1 X13Y0 X13Y4 X13Y3 X47Y2 X47Y3 X47Y4 X47Y0 X47Y1 X12Y2 X12Y1 X12Y0 X12Y4 X12Y3 X46Y2...
  • Page 9 — 7 —...
  • Page 10: Checking Terminals And Component

    3-2. CHECKING TERMINALS AND COMPONENT Capacitor/Chip Resistor/ Xtal2 Oscillator/Crystal Detection IC Chip Capacitor/Chip Xtal1 5. Oscillator/Crystal Inverter Resistor/Chip (1003 0868) Capacitor/Chip Coil Xtal3 Oscillator/ Resistor/Chip Crystal Capacitor/Chip Capacitor/ Chip Capacitor/Chip Resistor/ Chip Capacitor/Chip Diode R6 R6 VDD2 3.PCB ASS'Y VDD2 (7640 3837) VCPE VOSC...
  • Page 11: Exploded View: Qw-2140

    4. EXPLODED VIEW: QW-2140 1a (1002 7257) 1b (1002 7274) 2 (1002 7258) 13 (1002 7256) 18 (1002 7255) 20 (1002 7269) 21 (1002 7270) 20 (1002 7269) Note: Length of coil spring 20: Shorter 10 (1002 7268) 21: Longer...
  • Page 12: Parts List: Qw-2140

    MODULE/WITHOUT MOVEMENT QW-2140YC-01 FKT-300-1V MODULE/WITHOUT MOVEMENT QW-2140YC-03 FKT-300D-7V < The module QW-2140 is "built-in type" which is assembled directly to the case, therefore the module as the spare parts is not available. > 1002 7257 LCD C2140-01P QW-2140YC-01 1002 7274 LCD...
  • Page 13: Precautions For Repair: Qw-2140

    6. PRECAUTIONS FOR REPAIR: QW-2140 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.
  • Page 14: Improving Signal Reception

    6-3. IMPROVING SIGNAL RECEPTION To improve signal reception, put the watch as shown in the illustrations. (Display: up) Resin Band Metal Band Pass through band loop. — 12 —...
  • Page 15 CASIO TECHNO CO.,LTD. Overseas Service Division Nishi-Shinjuku Kimuraya Bldg. 1F 5-25, Nishi-Shinjuku 7-Chome Shinjuku-ku, Tokyo 160-0023, Japan...

This manual is also suitable for:

Fkt-300

Table of Contents