Related Manuals for Casio QW-2489
Summary of Contents for Casio QW-2489
- Page 1 ERVICE ANUAL & PARTS LIST REF. NO. S/M-760 DEC. 2001 MODULE NO. QW-2489 BGM-221 INDEX (WITHOUT PRICE)
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Page 2: Table Of Contents
CONTENTS Page 1. SPECIFICATIONS: QW-2489 ..............1 2. OPERATION CHART: QW-2489 ..............2 3. DRAWINGS: QW-2489 3-1. LCD DIAGRAM ..................... 4 3-2. CIRCUIT DIAGRAM ..................5 3-3. CHECKING TERMINALS AND COMPONENT..........6 4. EXPLODED VIEW: QW-2489 ..............7 5. PARTS LIST: QW-2489 ................8 6. -
Page 3: Specifications: Qw-2489
1. SPECIFICATIONS: QW-2489 Item Detail Battery CR1620 Battery life Approx. 1.5 years 3.94 µA maximum Current consumption Alarm system Piezo plate on Back cover ±15 sec./month Accuracy Accuracy setting system Trimmer capacitor Accuracy checking See page 9 Functions • Shock resistant •... -
Page 4: Operation Chart: Qw-2489
2. OPERATION CHART: QW-2489 General Guide • Press C C C C C to change from mode to mode. • If you do not perform any operation for a few minutes while a setting screen (with • Pressing E E E E E in any mode besides the Alarm Mode illuminates to the display for flashing digits) is on the display, the watch automatically exits the setting screen. - Page 5 Alarm Mode Stopwatch Mode The stopwatch Mode lets you measure elapsed time, Mode indicator Mode indicator split times, and two finishes. The range of the Current time stopwatch is 23 hours, 59 minutes, 59.99 seconds. Melody name You can use the EL backlight by pressing E E E E E at any time while the stopwatch is operating.
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Page 6: Drawings: Qw-2489
3. DRAWINGS: QW-2489 3-1. LCD DIAGRAM DAYS COM. COM. L C 2 L C 3 L C 4 L C 5 L C 6 L C 7 L C 8 L C 1 L C 2 L C 3 LC 4... -
Page 7: Circuit Diagram
3-2. CIRCUIT DIAGRAM EEPROM Xtal SDI*1 LD2*1 SCUT L1 , L2 * 1 CSB*1 EMP*1 L51 ~ L52 * 1 TOTAL 107 PINS BONDING 97 PINS KC5*1 VREF1 Display GNDA Others VREF VDD2A LD1*1 VDD2 VDSP VDD3 VDD1 CLF2 BACK FRONT VOUT CLF1... -
Page 8: Checking Terminals And Component
3-3. CHECKING TERMINALS AND COMPONENT 7. Cushion/6 C3 Capacitor/Chip Capacitor/Chip Transistor (7211 0064) Xtal 4. Oscillator/Crystal C4 Capacitor/Chip CT 3. Capacitor/Trimmer (1004 1131) (1001 0950) Diode C9 Capacitor/Chip C2 Capacitor/Chip Memory/ External VREF VDD2 VREF VDD2 VDD2 SCUT VDSP VDD1 VDD3 PCB WITH LSI VDSP... -
Page 9: Exploded View: Qw-2489
4. EXPLODED VIEW: QW-2489 1 (1005 8548) 12 (7233 2732) 2a (7020 6080) 2b (7020 6086) 2c (7020 6081) 14 (7230 0616) 9 (1002 1815) PCB (Unrepairable) 5 (1002 7903) 13 (7230 0623) 11 (7233 2629) Battery/Lithium (CR1620) 8 (7231 1885) 10 (7229 0790) —... -
Page 10: Parts List: Qw-2489
5. PARTS LIST: QW-2489 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 11: Precautions For Repair: Qw-2489
6. PRECAUTIONS FOR REPAIR: QW-2489 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 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...