Casio QW-2983 Service Manual Download Page 10 | Manualshive

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Casio QW-2983 Service Manual Download Page 10

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6. TROUBLESHOOTING FOR TIME RECEPTION: MODULE QW-2983

Yes

No

Yes

No

Yes

No

Yes

No

START

Check whether the Home City

code is selected correctly.

Perform MANUAL time

calibration signal reception

OK

There is a possibility of the bad location for reception.

Perform AUTO time

calibration signal reception

Replace the PCB ass'y

Signal

reception OK?

Signal

reception OK?

Signal

reception OK?

Replace the Case center

ass'y with antenna

Signal

reception OK?

OK

OK

OK

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Summary of Contents for QW-2983

Page 1: ...SERVICE MANUAL PARTS LIST WITHOUT PRICE QW 2983 MODULE NO R REF NO S M 976 NOV 2006 BGT 2601J BGT 2600J ...

Page 2: ... COMPONENTS 3 3 EXPLODED VIEW MODULE QW 2983 4 4 PARTS LIST MODULE QW 2983 5 5 PRECAUTIONS FOR REPAIR MODULE QW 2983 5 1 AC ALL CLEAR AND REMOVING OF MODULE 6 5 2 ACCURACY CHECKING 6 5 3 SOLAR CELL PCB ASS Y CONTACT CHECKING 7 5 4 TIME CALIBRATION SIGNAL TEST MODE 7 6 TROUBLESHOOTING FOR TIME RECEPTION MODULE QW 2983 8 ...

Page 3: ... receive Manual receive Last date time received display ReceivableTime 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 World Time 29 time zones 48 cities daylight saving time on off 1 100 sec stopwatch Measuring capacity 59 59 99 Measuring modes Elapsed time split time 1st 2nd pl...

Page 4: ...L20 x7y2 x8y1 x7y1 x8y0 x7y0 x8y4 x7y4 x8y3 x7y3 L23 L24 L25 L26 L27 L22 L21 L31 L32 L33 L34 x6y2 x4y2 x3y2 x5y2 x2y2 x0y2 e0 x1y2 g0 x6y1 x4y1 x3y1 x5y1 x2y1 x0y1 f0 x1y1 b0 x6y0 x4y0 x3y0 x5y0 x2y0 x0y0 DST x1y0 a0 x6y4 x4y4 x3y4 x5y4 x2y4 x0y4 MID x1y4 HIGH x6y3 x4y3 x3y3 x5y3 x2y3 x0y3 d0 x1y3 c0 L18 x9y2 x9y1 x9y0 x9y4 x9y3 L 1 L 2 L 3 L 4 L 5 L 6 L 7 L 8 L 9 L10 L11 L12 L13 L14 L15 L16 L17 L...

Page 5: ...13 P12 VCC GND VDD2 VCH VCC P7 VC1 GND VDD2 P14 KI5 Kl1 Kl4 KI3 VDSP FET D P2 VC1 VC2 VSC VDD2 LL1 GND GND Rcp XT GND FET S P2 P1 VCH VDSP GND VDD1 R1 VDD2 GND XT GND Rxt3 Rxt2 P7 P5 GND Rcp VDD2 P4 Rxt3 VDD3 P7 P5 GND R1 VDD2 P9 XTB LL1 SCIN GND R2 GND R1 CLF2 BD GND VC4 R1 VC3 KI9 R3 KI6 N2 SCIN N1 GND VHF GND KI7 GND SCIN SCR GND GND VSC GND KI6 GND GND L L GNDB GND GND GND LL1 CLF2 VOUT L CLF1...

Page 6: ... MODULE QW 2983 1 10207640 8 10209260 12 10209257 7 72311777 15 72019249 4 10168959 2 76409253 PCB ass y 6 10209258 14 72301045 9 10209261 3 10065657 Battery storage CTL1616 10 10065664 13 72301036 5 72311913 11 10123230 ...

Page 7: ...deration of your parts usage anre repair usage for similar models MAIN PARTS Item Code No Parts Name Specification Q TY R 1 76409223 MODULE WITHOUT MOVEMENT QW 2983AT 01TK 1 A 1 10207640 LCD K2983 01THP 1 A 2 76409253 PCB ASS Y RJQ527615 001V01TK 1 A MINOR PARTS Item Code No Parts Name Specification Q TY R 1 3 10065657 BATTERY STORAGE CTL1616 1 C 4 10168959 CONTACT BATTERY 2730 Q255819 2V05 1 C 5 ...

Page 8: ...Check the accuracy of the module with the quartz timer after switching the module to ACCURACY CHECKING MODE The operations are shown below A SWITCHING TO ACCURACY CHECKING MODE While pressing the A button press C and D buttons at the normal timekeeping mode Then all the segments are displayed and the LCD drive signals are changed to the static drive signal of 32 Hz so that you can check the accura...

Page 9: ... than 3 seconds 4 Check the display indicates as figure 3 If 8888 is not appeared on the display disassemble again the module and check the contact spring between the Solar cell and PCB Figure 3 Figure 1 Figure 2 Press A B and D buttons C A D Place the watch in a dark room more than 3 seconds 3 To exit from TEST mode Press any button 5 4 TIME CALIBRATION SIGNAL TEST MODE 1 Press B C and D button a...

Page 10: ...elected correctly Perform MANUAL time calibration signal reception OK There is a possibility of the bad location for reception Perform AUTO time calibration signal reception Replace the PCB ass y Signal reception OK Signal reception OK Signal reception OK Replace the Case center ass y with antenna Signal reception OK OK OK OK ...

Page 11: ...CASIO COMPUTER CO LTD Overseas Service Division 6 2 Hon machi 1 Chome Shibuya ku Tokyo 151 8543 Japan ...

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