Casio QW-2171 Service Manual & Parts List
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Casio QW-2171 Service Manual & Parts List

Casio QW-2171 Service Manual & Parts List

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S
M
ERVICE
ANUAL
& PARTS LIST
REF. NO. S/M-700
JUL. 2000
MODULE NO.
QW-2171
GM-100
INDEX
(WITHOUT PRICE)
R

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Summary of Contents for Casio QW-2171

  • Page 1 ERVICE ANUAL & PARTS LIST REF. NO. S/M-700 JUL. 2000 MODULE NO. QW-2171 GM-100 INDEX (WITHOUT PRICE)

  • Page 2: Table Of Contents

    CONTENTS Page 1. SPECIFICATIONS: QW-2171 ..............1 2. OPERATION CHART: QW-2171 ..............2 3. DRAWINGS: QW-2171 3-1. BLOCK DIAGRAMS ................5 3-2. CHECKING TERMINALS AND COMPONENT ........7 4. EXPLODED VIEW: QW-2171 ..............8 5. PARTS LIST: QW-2171 ................9 6.

  • Page 3: Operation Chart: Qw-2171

    2. OPERATION CHART: QW-2171 GENERAL GUIDE • Press C C C C C to change from mode to mode. • Pressing E E E E E in any mode besides the Alarm Mode illuminates to the display for about three seconds. The backlight is disabled while a setting screen is on the display.
  • Page 4 DAY COUNTER MODE ALARM MODE Mode indicator Mode indicator Text Melody name Year Current time Month Target Date Alarm number Day counter record number Number of days DAYS indicator Hour Minutes The Day Counter Mode lets you count the number of days from the Timekeeping You can set up to five melody alarms.
  • Page 5 STOPWATCH MODE CHARACTER LIST The stopwatch Mode lets you measure elapsed time, split Mode indicator times, and two finishes. The range of the stopwatch is 23 Current time hours, 59 minutes, 59.99 seconds. You can use the EL backlight by pressing E E E E E at any time while the stopwatch is operating.

  • Page 6: Drawings: Qw-2171

    3. DRAWINGS: QW-2171 3-1. BLOCK DIAGRAMS AUTO EL DAYS COM. COM. L C 2 L C 1 L C 3 L C 4 L C 5 L C 6 L C 7 L C 8 L C 1 L C 2...
  • Page 7 EEPROM Xtal SDI*1 LD2*1 SCUT L1 , L2 * 1 CSB*1 EMP*1 L51 ~ L52 * 1 TOTAL 107 PINS SK *2 BONDING 98 PINS VREF1 Display GNDA Others VREF VDD2A LD1*1 VDD2 VDSP VDD3 VDD1 CLF2 BACK FRONT VOUT CLF1 No bonding —...

  • Page 8: Checking Terminals And Component

    3-2. CHECKING TERMINALS AND COMPONENT 8. Cushion/6 C9 Capacitor/Chip C4 Capacitor/Chip (7211 0064) 7. Cushion/506 C3 Capacitor/Chip (7211 9631) Xtal 4. Oscillator/Crystal C2 Capacitor/Chip (7110 6302) CT 3. Capacitor/Trimmer Capacitor/Tantalum (1001 0950) Diode VDD2 VDD2 VDD2 VREF VDD1 VDD3 PCB WITH LSI VDD3 VDSP VDSP...

  • Page 9: Exploded View: Qw-2171

    4. EXPLODED VIEW: QW-2171 1a (1001 6312) 1b (1001 6313) 2 (1001 6311) 12 (1001 6310) 13 (7230 0616) 10 (1001 6309) 10 (1001 6309) PCB (Unrepairable) 6 (7236 2086) 14 (7230 0441) 9 (7231 1952) 11 (7233 0952) Battery/Lithium (CR2016) —...

  • Page 10: Parts List: Qw-2171

    5. PARTS LIST: QW-2171 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-2171

    6. PRECAUTIONS FOR REPAIR: QW-2171 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...

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