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Casio QW-4329, Service Manual

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Casio QW-4329 Service Manual Download Page 13

— 11 —

6. TROUBLESHOOTING: MODULE QW-4343

This is a flow chart about signal reception.

Yes

No

Yes

No

Yes

No

START

Check whether the Home City

code is selected correctly.

To perform MANUAL time

calibration signal reception

OK

There is a possibility of location bad.

To perform AUTO time

calibration signal reception

Replace the PCB ass'y

Signal

reception OK?

Signal

reception OK?

Signal

reception OK?

OK

OK

Summary of Contents for QW-4329

Page 1: ...SERVICE MANUAL PARTS LIST WITHOUT PRICE QW 4343 MODULE NO R REF NO S M 981 JAN 2007 GS 1000J ...

Page 2: ...ARTS LIST MODULE QW 4343 4 5 PRECAUTIONS FOR REPAIR MODULE QW 4343 5 1 AC ALL CLEAR AND REMOVING OF MODULE 6 5 2 ACCURACY CHECKING SOLAR CELL PCB ASS Y CONTACT CHECKING 7 5 3 DATE INDICATOR MOVEMENT ACCURACY CHECK MODE 8 5 4 TIME CALIBRATION SIGNAL TEST MODE 8 5 5 HANDLING INSTRUCTIONS TO PRESS FITTING THE HANDS 10 6 TROUBLESHOOTING MODULE QW 4343 11 ...

Page 3: ...ion Accuracy checking See page 7 Functions Solar powered Time calibration signal reception Auto receive Manual receive Time Calibration Signal Receivable Time Calibration Signals Fort Collins Colorado Call Sign WWVB Frequency 60kHz Fukushima Japan Call Sign JJY Frequency 40kHz Fukuoka Saga Japan Call Sign JJY Frequency 60kHz Low battery warning display World Time 1 20 second stopwatch Measuring ca...

Page 4: ...VC3 VC4 KC1 VPM RPM GND KC4 RPM VCH VC3 O1 P7 P5 P5 P7 P7 P4 GND Vcc Ccp P9 Ccp GND GND KI8 P3 1 VDD2 GND VDD2 GND KI6 R3 KI5 GND GND R2 R1 GND GND LL1 Tr1 VDD2 VDD2 LL1 LL1 GND Tr1 BD SCIN SCIN SCIN SCR GND GND GND GNDB GND GND XT XT VSC FET S FET S FET S FET S FET S P2 P2 P2 P1 P1 P1 P1 P1 P1 P2 P2 P1 P1 P2 P1 Short pad for switching modules KI5 GND Open No Soldering KI6 GND Open No Soldering KI...

Page 5: ... 72270294 14 72240990 8 10212760 12 10212759 4 10195754 5 10212752 9 10234346 9 10234346 17 10209136 11 10212761 3 10135068 Battery storage CTL1025 7 10140782 10 10135066 13 10184045 2 76409259 PCB Ass y 6 10218649 16 72270343 1 76409230 ...

Page 6: ... should be ordered and stocked appropriately in consideration of your parts usage anre repair usage for similar models MAIN PARTS Item Code No Parts Name Specification Q TY R 1 76409231 MODULE WITH MOVEMENT QW 4343YC 02TK 1 A 1 76409230 ANALOG BLOCK QW 4343MV 83TK 1 A 2 76409259 PCB ASS Y RJQ528910 001V01TK 1 A MINOR PARTS Item Code No Parts Name Specification Q TY R 1 3 10135068 BATTERY STORAGE C...

Page 7: ... 1 16 72270343 WASHER 1325 Q450447 1 1 C 17 10209136 WHEEL HOUR RJQ527061 1 C For the prices and minimum order supply quantities of the above parts refer to the Parts Price List P P L 638 Notes Q Used quantity R Rank A Important C Not Important 5 ...

Page 8: ...h the AC contact and the main plate with the metallic tweezers The contact should be made for about two seconds 2 On removing of the module from the case please insert the precision screw driver between the module and the case pointed by arrows Note After performing AC ALL CLEAR the mode is switched to the second hand movement accuracy check mode at the home position adjustment mode Metallic tweez...

Page 9: ...enter as possible Press A to go back to the noemal timekeeping mode It will move to the current time counting from the AC moment as 00 hour 00 minute C C C 4 How to measure consumption current This model starts correct positioning of the second hand in the H SET mode immediately after AC When it is functioning the value of consumption current would be a little higher as the internal circuit operat...

Page 10: ...CALIBRATION SIGNAL TEST MODE 1 To operate the receiving test do as follows 2 From the display prioritized receiving station mode a test receiving station changes as below every time D is pressed Time mode Display prioritized receiving station state The indicator hand at 4 second position JJY40 6 second position JJY60 8 second position WWVB Hold A down and press D and B simultaneously Display prior...

Page 11: ...cond READY 4 After about 15 minutes take a look at the display Refer to the pictures below to inspect the state with the position of your indicator hand Button positions When received When not received JJY40 JJY60 WWVB 5 second position 10 second position 15 second position 55 second position 50 second position 45 second position A C B D ...

Page 12: ...e polarity of the second hand and then press fit the second hand Press fit within 1 as a guide Operation AC Press D 2 6 Position the 24H hour hand precisely at the 24H position using normal rotation Operation AC Press C 1 Adjust with D 7 Press fit the hour hand into the 12H position 8 Reverse the hour hand about 30 minute and then drive the hand precisely at the 12H position using normal rotation ...

Page 13: ...es No START Check whether the Home City code is selected correctly To perform MANUAL time calibration signal reception OK There is a possibility of location bad To perform AUTO time calibration signal reception Replace the PCB ass y Signal reception OK Signal reception OK Signal reception OK OK OK ...

Page 14: ...CASIO COMPUTER CO LTD Overseas Service Division 6 2 Hon machi 1 Chome Shibuya ku Tokyo 151 8543 Japan ...

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