Casio QW-2605 Service Manual Download Page 10 | Manualshive

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Casio QW-2605 Service Manual Download Page 10

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6. TROUBLESHOOTING FOR TIME RECEPTION: MODULE QW-2605

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

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

There is a possibility of the bad location for reception.

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Summary of Contents for QW-2605

Page 1: ...SERVICE MANUAL PARTS LIST WITHOUT PRICE QW 2605 MODULE NO R REF NO S M 813 JUN 2003 BGT 2000 ...

Page 2: ...AM 2 2 2 CIRCUIT DIAGRAM 3 2 3 CHECKING TERMINALS AND COMPONENTS 4 3 EXPLODED VIEW MODULE QW 2605 5 4 PARTS LIST MODULE QW 2605 6 5 PRECAUTIONS FOR REPAIR MODULE QW 2605 5 1 AC ALL CLEAR AND REMOVING OF MODULE 7 5 2 ACCURACY CHECKING 7 6 TROUBLESHOOTING FOR TIME RECEPTION MODULE QW 2605 8 ...

Page 3: ...lorado Call sign WWVB Frequency 60KHz Fukushima Japan Call sign JJY Frequency 40KHz Fukuoka Saga Japan Call sign JJY Frequency 60KHz Time Recorder Memory for 50 records each containing hr min sec Date Alert a date alert indicator and the currente date flash for 24 hr after the aler date arrivers in the Timekeeping Mode World Time 29 time zones 28 cities daylight saving time on off 1 100 sec stopwa...

Page 4: ...y1 x8y2 x7y2 x6y2 x5y2 x4y2 x3y2 x2y2 p e8 d8 a4 col0 hyp0 a3 x0y2 x1y2 LC1 LC2 LC3 LC4 LC5 c0 d0 c1 g1 f1 b2 g2 f2 c3 x14y3 x13y3 x12y3 x11y3 x10y3 x9y3 x8y3 x7y3 x6y3 x5y3 x4y3 x3y3 x2y3 b5 24 f4 g4 b4 f3 g3 x0y3 x1y3 dst d1 e1 c2 d2 e2 fwd x14y4 x13y4 x12y4 x11y4 x10y4 x9y4 x8y4 x7y4 x6y4 x5y4 x4y4 x3y4 x2y4 ae5 c5 e4 d4 c4 e3 d3 x0y4 x1y4 alm snz sig rc1 rc2 rc3 dst rc3 rc2 rc1 a0 b0 c0 d0 e0 ...

Page 5: ...1 GND HOLD VCC 1 2 3 16 15 14 4 5 6 7 8 13 12 11 10 9 Cxt Crl1 Rxt2 Ccp9 Cf12 Cagc Cbat Rbat Xtal2 IC ANT Rant2 Cf13 Rcp Rxt3 Xtal3 Crl2 Crl3 Crh3 Crh2 Crh1 Rant1 Rs Rd Cc FET 2 2 2 2 3 3 Rpd 1 7 1 1 1 Rant3 CLF1 E Cel EL INV LL2 L VOUT L GND CLF2 V BACK FRONT 8 6 5 L35 L52 1 DEC2 1 1 No bonding 2 GND KI5 Short Soldering GND KI6 Open No Soldering GND KI7 Short Soldering GND KI8 Open No Soldering 3...

Page 6: ... LD2KC2 Capacitor Chip Cf13 Capacitor Chip Cf12 Resistor Chip Resistor Chip Rpd Resistor Chip Rxt2 Resistor Chip Rxt3 Resistor Chip Rbat Resistor Chip Cbat Coil LL1 Coil LL2 Inverter INV Capacitor Chip Cel Oscillator Crystal Xtal 6 Oscillator Crystal 7110 6337 Varistor Z Detection IC IC Capacitor Chip C5 Capacitor Chip C4 Capacitor Chip C2 Capacitor Chip C1 Capacitor Chip C3 Capacitor Chip C6 3 Ca...

Page 7: ...VIEW MODULE QW 2605 5 1010 0101 4 1010 0100 16 7230 1000 15 1009 3588 10 7231 1960 14 7207 8852 9 7231 1777 8 7225 1792 11 1009 3587 17 1005 8538 13 7229 0790 12 1009 3594 1 7640 5851 PCB ass y Battery Lithium CR1616 ...

Page 8: ...2 TAPE ADHESIVE Q465964 1 QW 2605YCSA Common 1 C 3 1001 0950 CAPACITOR TRIMMER CTZ2E 30C W2 P QW 2605YCSA Common 1 B 4 1010 0100 PLATE SHIELD Q470819 1 QW 2605YCSA Common 1 C 5 1010 0101 SHEET INSULATION Q470817 1 QW 2605YCSA Common 1 C 6 7110 6337 OSCILLATOR CRYSTAL CFS 145OR07 QW 2605YCSA Common 1 B 7 7211 9631 CUSHION 506 Q49364 1 QW 2605YCSA Common 2 C 8 7225 1792 CONTACT BATTERY Q36151A 1 QW ...

Page 9: ...ING 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 B and L 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 ac...

Page 10: ...elected correctly Perform MANUAL time calibration signal reception OK 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 There is a possibility of the bad location for reception ...

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

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