QW-5311 4. PARTS LIST: MODULE QW-5311 QW-5311AT 1 QW-5311AT-02TK 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 ----------------------------------------- Important C Rank -----------------------------------------Not Important 3.
QW-5311 5. REPLACEMENT OF BATTERY: MODULE QW-5311 5-1. OPEN DISPLAY This model is equipped with EEPROM. The display comes into the status shown below when the back cover is open. • The hour-, minute-, and second-hands are in normal operation • The mode hand stops at the 30° position • Button operations are disabled Returns to the usual display when the cover is closed. Hour hand Second hand Minute hand Mode hand Crown 5-2. AC (ALL CLEAR) • Be sure to perform AC (All Clear) after a battery is replaced. Unless AC is performed, the memory(s) and/or counter(s) may not be initialized and cause malfunctions. • A quick-start circuit is equipped. Expose the dial to the light BEFORE AND AFTER performing AC. Illumination intensity Environment Time Required for Activation Indoor fluorescent lighting...
QW-5311 5-3. SETTINGS AFTER AC Function Settings Close the back cover or short-circuit the MP terminal. When you operate any button, EEPROM is read after one second and then After AC Mode the watch goes into the Timekeeping mode. ( Aligning the hands to their baseline positions is needed. ) Date and time: Friday, January 1, 2010 12:00:00 AM Home City Code : TYO (UTC+9) Timekeeping Mode DST: AUTO Mode Hand: “FR” position WT City Code: UTC Date and time: December 31, 2009 3:00:00 PM World Time DST: AUTO Mode Hand: “WT” position Setting: “Reset” (00’00’’00) Stopwatch Mode Hand: “ST” position Setting: “Reset” (10’00) Start Time: 10 minutes 00 second Countdown Timer Mode Hand: “TR” position Time: 12:00 AM Alarm Alarm: OFF Mode Hand: “AL” position Setting: Direction reading Digital Compass – 6 –...
QW-5311 5-4. HAND SET MODE Follow the steps below to set the hands to the baseline position. * The watch returns to the Timekeeping mode when the crown is pushed back in the original position. (Adjustments of the hands made beforehand remain valid.) Note: • The back cover must be closed or MP must be short-circuited. • Leaving the crown pulled out for more than approximately 2 minutes without performing any opera- tion will automatically cause crown operations to become disabled. If this happens, press the crown back in, pull it out, and then start the operation over again. Second hand Timekeeping mode Minute hand 24-hour hand Pull out the crown. Hour hand Crown Hold down for 7 seconds. Mode hand Calendar...
QW-5311 5-5. ADJUSTING THE BASELINE POSITION OF HANDS Be sure to perform these steps after “INSTALLING HANDS” on P.15 and/or “REMOVING THE PCB ASS’Y” on P.11. Through these steps, you can check the accuracy of the hand installation and write the data to correct the misalignment occurred while installing the hand. Low battery voltage may result in failure to write the data in the memory. If failure occurs, receiving an NG result, use an external power (2.5V) and check again. Note: The back cover must be closed or MP must be short-circuited. Misalignment of hand installation may be corrected within the range below. Mode hand Hour hand Minute hand ± 1° from the baseline position ± 1° from the baseline position ± 5° from the baseline position 5-5-1. Procedures Timekeeping mode 24-hour hand...
QW-5311 6. DISASSEMBLY AND REASSEMBLY: MODULE QW-5311 6-1. REMOVING THE CROWN 1) Check that the crown is in the baseline position. 2) While pressing the setting lever with a thin stick through the removal opening, disengage and remove the setting stem.
QW-5311 6-3. REMOVING THE DIAL AND THE SOLAR CELL 1) Remove the all hands. Note: Do not damage the DIAL when removing the hands. 24-hour hand Hour hand Minute hand Second hand Mode hand 2) Remove the HOLDER 5219-2. The HOLDER 5219-2 is secured to the ANALOG BLOCK with four hooks (2H, 4H, 8H,10H). Hooks HOLDER 5219-2 3) Remove the DIAL. The DIAL is secured to the SOLAR CELL with the TAPE/ADHESIVEs (5H, 7H). Detach the DIAL form the SOLAR CELL, inserting the thin blade of a kinfe between them.
QW-5311 4) Remove the SOLAR CELL. The SOLAR CELL is secured to the ANALOG BLOCK with TAPE/ADHESIVEs (center 12H, cen- ter 6H). Detach the SOLAR CELL form the ANALOG BLOCK, inserting the thin blade of a kinfe between them. SOLAR CELL ANALOG BLOCK TAPE/ADHESIVEs Note: If the DIAL and the SOLAR CELL are reused, they can be detached from the ANALOG BLOCK together as a set. 6-4. REMOVING THE PCB ASS’Y 1) Disengage two SCREW/FLAT 2730 and four hooks, and then remove the circuit supporter 5311.
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QW-5311 Cautions concerning Assembling When installing the PCB ass’y, the coil springs may lift the ass’y, causing disposition. Be sure that the PCB ass’y is positioned correctly. 1) Aligning two holes on the PCB ass'y to the pins on the analog block, press the PCB ass'y to the analog block. ANALOG BLOCK Align PCB ass'y Align 2) Install the SCREW/FLAT 4329 in the order shown in the following illustration. PCB ass'y SCREW/FLAT 4329 x 6 Tightening torque for the screws setting the PCB: · · 27.5 ± 2.5 mN m (280 ± 25.5 gf 3) Attach the circuit supporter 5311 to the analog block with four hooks in the order shown in the following illustration.
QW-5311 6-5. REASSEMBLY OF DIALS AND SOLAR CELL 1) Attach the TAPE/ADHESIVE at 2 locations to the module. Note: When attaching the TAPE/ADHESIVE, do not allow it to touch any shafts and holes. TAPE/ADHESIVE 2) Attach the SOLER CELL to the module. Note: Place SPRING/COIL 1840-1 beforehand. Do not lose them. Align SOLER CELL Align...
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QW-5311 4) Attach the HOLDER 5219-2 to the module with four hooks in the order shown in the following picture. Align Align HOLDER 5219-2 (Reverse side) 5) Stick two TAPE/ADHESIVEs at 2 locations on the back side of the DIAL, and attach the DIAL to the module. TAPE/ADHESIVE HOLDER 5219-2 – 14 – 14 – –...
QW-5311 6-6. INSTALLING HANDS 6-6-1. Procedures Note: Location of the buttons and names of the hands • “HAND POSITION DETECTION FOR INSTAL- LATION” is available. Before press fitting the Second hand Minute hand hands, Perform the above operation written in P.17. 24-hour hand • After installing the hands, be sure to perform...
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QW-5311 Location of the buttons and names of the hands Second hand Minute hand 24-hour hand Hour hand Crown Mode hand Procedures Button operations, additional instructions 6. Press fit the hour hand Press fit the hour hand to the 12:00 position. Note: Guides show ± 6° • accuracy : Within ±0.5° 7. Press fit the minute hand Press fit the minute hand at 0-min. position. • accuracy : Within ±0.5°...
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QW-5311 6-6-2. HAND POSITION DETECTION FOR INSTALLATION Follow the steps below to align the gear to the baseline position before installing the hands. �) Hold down and 2) Perform AC. (Touch the AC contact and the main plate with metallic tweezers.) 3) Wait one second. 4) Release and (The baseline position alignment starts.) Circuit supporter 5311 Position of buttons viewed from the back of �) Wait until the above is finished. the module. Wait for up to 6 minutes. �) Check <In case of using the model-specific Press Fitting Tool> Check the KL2 (green) and KL4 (red) lamps installed on the Press Fitting Tool. KL2 lamp is on: Successful. Proceed to the hand installation. KL4 lamp is on: Error. Replace the module. <In the other case>...
QW-5311 7. APPLYING SILICON OIL TO THE CROWN PIPE After replacing the Center ASS’Y or setting stem, be sure to apply silicon oil. No silicon oil is applied to the Center ASS’Y and the setting stem which are supplied as spare parts. 7-1. APPLYING SILICON OIL Apply an adequate amount of silicon oil to the O-ring of the crown pipe by using a thin stick such as a tooth pick or bamboo skewer. Side View Setting stem Toothpick with silicon oil O-ring O-ring Crown pipe ass'y O-ring Cautions concerning Assembling * Use only an adequate amount of silicon oil so that the oil does not flow out of the crown pipe when attaching the setting stem. * Keep the O-ring free of debris or dust. – 18 – 18 – –...
QW-5311 8. TESTING: MODULE QW-5311 8-1. MEASURING CURRENT CONSUMPTION If irregularity of current consumption is suspected, measure the current consumption. • Condition Short-circuit the MP and VSS terminals using a metal object like a staple. tape staple MP terminal VSS terminal Use a stable power source and an ammeter. Connect the positive electrode to the TERMINAL/BATTERY(+) 5219, the negative electrode to the CIRCUIT SUPPORTER 5311. CIRCUIT SUPPORTER 5311 ( _ ) ( + ) TERMINAL/BATTERY(+) 5219 �) Apply a voltage of 2.5. 2) Perform AC. (Refer to “5-2 AC” on P5.) 3) Shield the dial from light. 4) Measure the current within one minute. – �� – �� – –...
QW-5311 8-2. CHECKING THE MODEL Timekeeping mode or SR pull/push* Crown MODEL CHECKING MODE ×2 5-sec. position SPEC 1 Any Button or SR pull/push* ACCURACY CHECKING SPEC 2 CONFIGURING HOME CITY MODE or SR SR pull/push* pull/push* 10-sec. position HOME CITY CURRENTLY SET...
QW-5311 The MODEL CHECKING MODE leads to the fol- Location of the buttons and names of the hands lowing test modes: Second hand • ACCURACY CHECKING MODE • CONFIGURING HOME CITY MODE • TIME CALIBRATION SIGNAL TEST MODE Crown • SOLAR CELL-PCB ASS’Y CONTACT CHECK- ING MODE •...
QW-5311 8-4. CONFIGURING HOME CITY You can use this mode to easily switch the city Location of the buttons and names of the hands from which “TIME CALIBRATION SIGNAL TEST” is Second hand allowed. �) While on the Timekeeping mode, hold down and press twice. Crown 2) Press once and check that the second hand indicates the 10-second position. 3) Press . The second hand will indicate the Home city currently configured.
QW-5311 8-6. CHECKING THE HAND OPERATION You can check whether the hands are correctly operating and the frequency of the adjustment pulse is within normal. When there is an abnormality in the drive transmitting system in the motor, or when the hand is operating under low voltage due to a battery problem, the frequency of adjustment pulse increases.
QW-5311 8-7. AGING MODE This mode allows you to check for lagging/advanc- Location of the buttons and names of the hands ing or stoppage of the hand(s) due to aging. Second hand • The second hand moves 2 seconds at a time. • Time signal is not received. • The Sleep mode is not activated automatically. Crown • Auto Return is disabled. PROCEDURES �) While on the Timekeeping mode, hold down and press twice. 2) Press six times and check that the Second hand indicates the 35-second position. 3) Press The second hand moves 2 seconds at a time and it enters the AGING MODE. 4) Exit the AGING MODE. Press any button to return to the Timekeeping mode.
QW-5311 8-8. TIME CALIBRATION SIGNAL TEST A signal reception failure may be caused by a number of reasons. Follow the steps shown in the flowchart below to run the signal receiving test. START Check the Receiving Station MANUAL Reception Perform the test in “MANUAL Reception” or “Time Calibration Signal Test mode”. "Insufficient Signal" may also be the reason Reception OK? AUTO Reception for the signal receiving fault.
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QW-5311 8-8-2. TEST MODE �) While in the Timekeeping mode, hold down and press twice. 2) Press twice and check that the Second hand indicates the 15-second position. 3) Press to enter the Time Calibration Signal Receiving Station mode. Each time is pressed, the test signal receiving station changes as shown below. 4) Press while in the Time Calibration Signal Receiving Station mode to start receiving a signal. * Be sure that the second hand has moved to “R” position. �) After approximately 15 minutes, check the indication and determine the result by referring to the table below. �) Return to the Timekeeping mode by pressing or by pulling out the crown and then pressing it back in. Time calibration signal Timekeeping mode test mode ×2 ×2 ...
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Ver. 1 : Dec. 2013 Correction of pages 3, 4 and 21 Ver. 2 : Jun. 2015 Correction of pages 20, 21 and 23 CASIO COMPUTER CO.,LTD. Overseas Service Division 6-2, Hon-machi 1-Chome Shibuya-ku, Tokyo 151-8543, Japan...