Casio QW-4314 Service Manual

Casio QW-4314 Service Manual

G-540d; g-740d

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S
M
ERVICE
ANUAL
& PARTS LIST
REF. NO. S/M-905
AUG. 2005
MODULE NO.
QW-4314
G-740D
G-540D
INDEX
(WITHOUT PRICE)
R

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Summary of Contents for Casio QW-4314

  • Page 1 ERVICE ANUAL & PARTS LIST REF. NO. S/M-905 AUG. 2005 MODULE NO. QW-4314 G-740D G-540D INDEX (WITHOUT PRICE)
  • Page 2: Table Of Contents

    CONTENTS Page 1. SPECIFICATIONS: MODULE QW-4314 ............ 1 2. OPERATION CHART: MODULE QW-4314 ..........2 3. DRAWINGS: MODULE QW-4314 3-1. LCD DIAGRAM ..................... 5 3-2. CIRCUIT DIAGRAM ..................6 3-3. CHECKING TERMINALS AND COMPONENTS .......... 7 4. EXPLODED VIEW: MODULE QW-4314 ............ 8 5.
  • Page 3: Specifications: Module Qw-4314

    1. SPECIFICATIONS: MODULE QW-4314 Item Detail SR927W × 2 Battery Battery life Approx. 2 years 1.42 µA maximum Current consumption Alarm system Piezo plate on Cover/Back ±15 sec./month Accuracy Accuracy setting system Trimmer capacitor Accuracy checking See page 12 Functions: •...
  • Page 4: Operation Chart: Module Qw-4314

    2. OPERATION CHART: MODULE QW-4314 About This Manual • The operational procedures for Modules 3750 and 4314 are identical. All of the illustrations in this manual show Module 3750. • Depending on the model of your watch, display text appears either as dark figures on a light background or light figures on a dark background.
  • Page 5 3. When the setting you want to change is flashing, use B and D to change it as World Time described below. World Time digitally displays the current time in 27 cities (29 time zones) around the world. Setting Screen Button Operation •...
  • Page 6 Alarm Operation World Time • The World Time Mode times are calculated from the current Home City time setting The alarm sounds at the preset time for about 20 seconds, regardless of the mode the watch is in. In the case of the snooze alarm, the alarm operation is performed a total in the Timekeeping Mode, using the Greenwich Mean Time (GMT) differentials of seven times, every five minutes, or until you turn the alarm off.
  • Page 7: Drawings: Module Qw-4314

    3. DRAWINGS: MODULE QW-4314 3-1. LCD DIAGRAM COM. COM. SEG. SEG. x15y5 x15y4 x15y3 x15y2 x15y1 x14y5 x14y4 x14y3 x14y2 x14y1 x13y5 x13y4 x13y3 x13y2 x13y1 x12y5 x12y4 x12y3 x12y2 x12y1 x11y5 x11y4 x11y3 x11y2 x11y1 x10y5 x10y4 x10y3 x10y2...
  • Page 8: Circuit Diagram

    3-2. CIRCUIT DIAGRAM An.B (4.5V 1/3b 1/5d) (O2) (O1) L3 - - - - L52 LC1 - - - LC5 SDI SCK TOTAL 93 PINS BONDING 89 PINS LD2KC2 LD3KC3 Xtal GND VDD2 VDD1 VDD3 VC1 VC2 VOSC BAT1 BAT2 1.
  • Page 9: Checking Terminals And Components

    3-3. CHECKING TERMINALS AND COMPONENTS VOUT Short pad for N trimming 15. PCB ASS'Y (76408837) LD2KC2 LD3KC3 KC4 KI2 Short pad for switching modules Short pad for switching modules CUSHION 506 CUSHION 506 (72119631) (72119631) VDD2 CUSHION 6 (72110064) L– OSCILLATOR/CRYSTAL (71106323) VOUT...
  • Page 10: Exploded View: Module Qw-4314

    4. EXPLODED VIEW: MODULE QW-4314 5 (72119576) 13a (10195965) 13b (10195966) 13c (10195967) 11 (10072412) 11 (10072412) 8 (10109743) 22 (10014294) 22 (10014294) 20 (10109741) 15 (76408837) PCB Ass'y 17 (72078852) 25 (72240652) 10 (10058549) 26 (72350893) 21 (72300665) 21 (72300665)
  • Page 11 EXPLODED VIEW: ANALOG BLOCK OF MODULE QW-4314 1-2 (72270273) 9 7 1-2 (72270273) 1-1 (10055369) 6 9 ~ 1 : Disassemble order 1 ~ 9 : Reassemble order — 9 —...
  • Page 12: Parts List: Module Qw-4314

    5. PARTS LIST: MODULE QW-4314 Note: 1. Prices and specifications are subject to change without prior notice. 2. Spare parts are classified as follows according to their importance in after-sales service. A Rank ---------------------------------------- Very Important B Rank ---------------------------------------- Important C Rank ---------------------------------------- Less important 3.
  • Page 13 PARTS LIST: ANALOG BLOCK OF MODULE QW-4314 Note: 1. Prices and specifications are subject to change without prior notice. 2. Spare parts are classified as follows according to their importance in after-sales service. A Rank ---------------------------------------- Very Important B Rank ---------------------------------------- Important C Rank ---------------------------------------- Less important 3.
  • Page 14: Precautions For Repair: Module Qw-4314

    6. PRECAUTIONS FOR REPAIR: MODULE QW-4314 6-1. AC (ALL CLEAR) AND REMOVING OF MODULE 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 main plate with the metallic tweezers.
  • Page 15 CASIO COMPUTER CO.,LTD. Overseas Service Division 6-2, Hon-machi 1-Chome Shibuya-ku, Tokyo 151-8543, Japan...

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