• EL backlight is used 3 times per day ------------------------------- 2 years • EL backlight is used 5 times per day ----------------------------- 1.5 years 2. OPERATION CHART: QW-1789 The physical configuration the watches covered by this User’s Guide differs accord- ing to model as shown below.
4. PARTS LIST: QW-1789 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.
5. PRECAUTIONS FOR REPAIR: QW-1789 5-1. HOW TO REMOVE THE BATTERY 1) Prepare a small precision driver. 2) Insert the screw driver between the battery and 9 o'clock side hook of the P.C.B. ass'y supporter. 3) Make some space between the hook and the battery.
5-3. HOW TO REMOVE HANDS Please remove the hands according to the following procedure. 1) Prepare the following tool, Hand removing spacer. Code No. Parts Name Specification 1901 9721 Hand removing spacer WAT-JIG510 For the price of the above tool, please refer to P.P.L.-510. 2) Fix Hour, Minute and Second hands to the same direction.
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Ver. 1: Correction of parts list pages 2, 3 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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