Casio QW-2387 Service Manual & Parts List Download | Manualshive

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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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Summary of Contents for QW-2387

Page 1: ...SERVICE MANUAL PARTS LIST WITHOUT PRICE QW 2387 MODULE NO R REF NO S M 748 AUG 2001 G 200 ...

Page 2: ...GRAM 4 3 2 CIRCUIT DIAGRAM 5 3 3 CHECKING TERMINALS AND COMPONENTS 6 4 EXPLODED VIEW QW 2387 7 5 PARTS LIST QW 2387 8 6 EXPLODED VIEW ANALOG BLOCK OF QW 2387 9 7 PARTS LIST ANALOG BLOCK OF QW 2387 10 8 PRECAUTIONS FOR REPAIR QW 2387 8 1 AC ALL CLEAR AND REMOVING OF MODULE 11 8 2 ACCURACY CHECKING 11 ...

Page 3: ...ch Measuring capacity 23 59 59 99 Measuring unit 1 100 sec for the first 60 min 1 sec after 60 min Measuring mode Elapsed time Daily alarm Auto calendar to year 2039 12 24 hour formats Regular timekeeping Analog 2 hands Hr min Digital Hr min sec pm month date day Though this watch is designed to withstand exposure to magnetic force you should still keep it away from machinery and appliances that g...

Page 4: ...he hands at high speed Note that the hands can be advanced only and cannot be moved back Take care so you do not go past the setting you want to make Hold down B Press B Press B PM indicator Hour Minutes Seconds Press B Press B ALARM MODE Hour Minutes When an alarm is turned on an alarm tone sounds for 20 seconds at the preset time each day To set the alarm time 1 In the Alarm Mode hold down B for...

Page 5: ...he hour digits flash 2 Press C to increase the setting Holding down C changes the current setting at high speed 3 Press B to move the selection around the display in the above sequence The format 12 hour and 24 hour of the Dual Time matches the format you select for normal timekeeping The second s count is synchronized with the second s count in the Timekeeping Mode If you do not operate any butto...

Page 6: ...LC3 AL0 i3 a0 f0 j0 d3 a1 f1 j1 b2 a2 d4 h2 LC4 hyp col1 j3 h3 a3 b3 P f5 a5 b5 f4 a4 b4 LC5 col0 k3 e3 h0 f3 g3 c3 h1 AL1 e5 g5 c5 e4 g4 c4 L27 L26 L25 L24 L23 L22 L21 L20 L19 L18 L17 L16 L15 L14 L13 L12 LC5 LC4 LC3 LC2 LC1 a5 b5 c5 d5 e5 f5 g5 h1 i1 j1 k1 h0 a0 b0 c0 e0 d0 g0 f0 j0 k0 i0 a1 b1 c1 d1 e1 f1 g1 a2 b2 c2 d2 e2 f2 g2 a3 b3 c3 d3 e3 f3 g3 a4 b4 c4 d4 e4 f4 g4 P col1 hyp col0 AL1 ST1 D...

Page 7: ... VCH VSS3 VC1 VC2 C1 C3 C4 XTB N2 Xtal LC1 LC5 CT LCD LD2 N1 S1 KI8 KI4 S3 VSS1 C2 BD C5 PZ LL1 Tr1 N3 XT N4 VDD AC T1 L12 L27 S4 LD1 LD3 O1 O2 An B 1 2 Open No Soldering Terminal L No bonding Short Soldering Not used 1 2 3 4 5 L1 L11 28 31 3 LD4 VPM T2 3 S2 4 5 5 Tr2 R1 R2 R3 LED1 LED2 3 ...

Page 8: ... VDD VCH VC1 VC1 VSS3 VSS2 VSS1 VCH VC2 L L L VSS2 BD L VSS2 LD2 LD2 VDD KI1 KI5 KI5 LD1 LD1 VDD KI4 O2 O1 KI2 CATH VSS2 VSS2 VSS2 KI2 KI3 AC KI4 KI4 LD1 KI1 4 Capacitor Trimmer 1001 0950 CT 10 Cushion 6 7211 0064 9 Cushion 506 7211 9631 Capacitor Chip C2 Capacitor Chip C3 Capacitor Chip C4 Capacitor Chip C1 Capacitor Tantalum C5 Coil LL1 LED LED2 Transistor Tr2 3a PCB ass y 7640 4665 Transistor T...

Page 9: ... 4728 8 7218 0438 12 1005 3621 18 7229 0772 7 1002 7903 10 7211 0064 11 7231 1962 13 1005 3617 16 1005 3615 2 1005 3616 6 7640 4662 16 1005 3615 17 7201 9464 9 7211 9631 15 7227 0350 20 1005 3614 14 1005 3618 1 1003 6046 19 7224 0652 4 EXPLODED VIEW QW 2387 ...

Page 10: ...0 CAPACITOR TRIMMER CTZ2E 30C W2 P QW 2387AT Common 1 B 5 7110 0693 OSCILLATOR CRYSTAL DT 26SJ QW 2387AT Common 1 B 6 7640 4662 ANALOG BLOCK Q254190 2TK QW 2387AT Common 1 A 7 1002 7903 CONTACT BATTERY 156 Q39603B 1 QW 2387AT Common 1 C 8 7218 0438 CUSHION 524 Q411459 1 QW 2387AT Common 2 C 9 7211 9631 CUSHION 506 Q49364 1 QW 2387AT Common 1 C 10 7211 0064 CUSHION 6 Q4914 1 QW 2387AT Common 1 C 11...

Page 11: ...PLODED VIEW ANALOG BLOCK OF QW 2387 3 6 7 7235 0350 6 6 8 7235 0336 6 4 7227 0273 9 6 6 7235 0532 5 6 1 7235 0916 8 6 3 7640 2423 4 6 2 1000 5728 7 6 5 7235 0364 2 1 9 1 Disassemble order 1 9 Reassemble order ...

Page 12: ...supply Item Code No Parts Name Specification Applicable Q R 6 7640 4662 ANALOG BLOCK Q254190 2TK QW 2387AT Common 1 A 6 1 7235 0916 BRIDGE TRAIN WHEEL Q254021 1 QW 2387AT Common 1 C 6 2 1000 5728 COIL ASSY Q366109 1 QW 2387AT Common 1 A 6 3 7640 2423 ROTOR 1301 Q340980 2TK QW 2387AT Common 1 B 6 4 7227 0273 SCREW 1300 1 Q436969A 1 QW 2387AT Common 2 C 6 5 7235 0364 STATOR 1301 Q340977A 1 QW 2387AT...

Page 13: ...NG 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 B button press C button twice at the calendar 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 accuracy with the ...

Page 14: ...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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