Casio QW-2461 Service Manual & Parts List Download Page 2 | Manualshive

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Casio QW-2461 Service Manual & Parts List Download Page 2

CONTENTS

Page

1. SPECIFICATIONS: QW-2461 ..................................................................... 1

2. OPERATION CHART: QW-2461 ................................................................ 2

3. DRAWINGS: QW-2461

3-1. LCD DIAGRAM ............................................................................................. 5

3-2. CIRCUIT DIAGRAM ...................................................................................... 6

3-3. CHECKING TERMINALS AND COMPONENT ............................................. 7

4. EXPLODED VIEW: QW-2461 ..................................................................... 8

5. PARTS LIST: QW-2461 .............................................................................. 9

6. PRECAUTIONS FOR REPAIR: QW-2461

6-1. AC (ALL CLEAR) AND REMOVING OF MODULE ..................................... 10

6-2. ACCURACY CHECKING ............................................................................. 10

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Summary of Contents for QW-2461

Page 1: ...SERVICE MANUAL PARTS LIST WITHOUT PRICE QW 2461 MODULE NO R REF NO S M 757 NOV 2001 BGM 220LV ...

Page 2: ...T QW 2461 2 3 DRAWINGS QW 2461 3 1 LCD DIAGRAM 5 3 2 CIRCUIT DIAGRAM 6 3 3 CHECKING TERMINALS AND COMPONENT 7 4 EXPLODED VIEW QW 2461 8 5 PARTS LIST QW 2461 9 6 PRECAUTIONS FOR REPAIR QW 2461 6 1 AC ALL CLEAR AND REMOVING OF MODULE 10 6 2 ACCURACY CHECKING 10 ...

Page 3: ...r of text A mark appears on the display to let you know when a target date is reached Free memos 5 independent free memos up to 8 characters and 16 numerals Katakana display 1 100 second stopwatch Measuring capacity 23 59 59 99 Measuring modes Elapsed time split time 1st 2nd place times Musical alarms 5 independent daily alarms Melody presettable with a unique 2 part harmony and beep Two special m...

Page 4: ...ight Saving Time While the SOUND button tones setting is selected press D or B to turn the beep and musical tone on and off as shown below Changing the SOUND also changes the Hourly Time Signal tones Beep Musical tone Off Press Press While the VOL setting is selected press D or B to toggle it between loud and soft Loud Soft Press or DST indicator 2 DST indicator 1 With some models changing the vol...

Page 5: ...Alarm indicator 2 Alarm indicator 3 Alarm indicator 1 is displayed in the alarm mode only It indicates the on off status of the currently displayed alarm only Note that this indicator is used for different purposes in other modes Alarm indicator 2 is displayed in all modes when any of the five alarms is turned on Alarm indicator 3 is displayed in the Alarm Mode only It shows on when the currently ...

Page 6: ...acter 1 Title Character 1 Data Character 16 Mode indicator Memo number Title 4 Use D or B to scroll through characters at the current location of the flashing Holding down either button scrolls at high speed Press Press Space A to Z Punctuation Japanese characters Hyphen Symbols Numbers See the CHARACTER LIST at the back of this manual for details Pressing D and B at the same time while inputting ...

Page 7: ...X16Y6 X17Y6 X18Y6 X19Y6 X20Y6 X21Y6 X22Y6 L C 8 K1 X0Y7 X1Y7 X2Y7 X3Y7 X4Y7 X5Y7 X6Y7 X7Y7 X8Y7 X9Y7 X10Y7 X11Y7 X12Y7 X13Y7 X14Y7 X15Y7 X16Y7 X17Y7 X18Y7 X19Y7 X20Y7 X21Y7 X22Y7 L 2 7 L 2 8 L 2 9 L 3 0 L 3 1 L 3 2 L 3 3 L 3 4 L 3 5 L 3 6 L 3 7 L 3 8 L 3 9 L 4 0 L 4 1 L 4 2 L 4 3 L 4 4 L 4 5 L 4 6 L 4 7 L 4 8 L 4 9 L 5 0 L C 1 e7 g7 c7 e6 g6 c6 X22Y3 X21Y3 X20Y3 X19Y3 X18Y3 X17Y3 X16Y3 X15Y3 X14Y3...

Page 8: ...D1 1 VDD2 GND VCH VDSP VDD1 VC1 VC2 VHF VC3 VC4 VDD3 C7 C8 C4 C3 C2 C6 C5 C1 LL1 C10 EL FRONT BACK BAT CT C9 C11 Xtal BD1 BD2 MIN ENV SDO SCK SCUT VCC Vcc C12 Vss A2 A1 A0 WP WP SCL SCL SDA SDA EEPROM L3 L50 LC1 LC8 KI1 KI2 KI3 KI4 KI5 KI8 KC5 1 S1 S2 S3 S4 F0 KI9 KC4 KC3 KC2 KI7 KI6 KC1 R2 Tr1 E CLF2 CLF1 V GND L VOUT L INV 1 No bonding 3 2 CIRCUIT DIAGRAM ...

Page 9: ...1 GND XT SCK VCH GND VC1 VC2 GND VHF GND VDSP GND KI5 L L VCH KI3 GND VDD2 GND GND SCK SDO WP GND GND GND GND C9 Capacitor Chip C1 Capacitor Chip C7 Capacitor Chip C8 Capacitor Chip 6 Cushion 506 Memory External 7211 9631 Resistor Chip 6 Cushion 506 7211 9631 Capacitor Tantalum Capacitor Tantalum Coil Diode 4 Oscillator Crystal 1004 1131 1001 0950 CT 3 Capacitor Trimmer Xtal Coil LL2 Capacitor Chi...

Page 10: ... 8 4 EXPLODED VIEW QW 2461 Battery Lithium CR1620 11 7233 2629 PCB Unrepairable 9 1002 1815 1 1006 5673 2 1006 5674 10 7229 0790 5 1002 7903 13 7230 0623 8 7231 1885 12 1006 5672 14 7230 0616 ...

Page 11: ...2 1006 5674 EL YEL 1564 A 91 ANG QW 2461YC 01TK 1 A 3 1001 0950 CAPACITOR TRIMMER CTZ2E 30C W2 P QW 2461YC 01TK 1 B 4 1004 1131 OSCILLATOR CRYSTAL DT 26SJ T QW 2461YC 01TK 1 B 5 1002 7903 CONTACT BATTERY Q39603B 1 QW 2461YC 01TK 1 C 6 7211 9631 CUSHION 506 Q49364 1 QW 2461YC 01TK 2 C 7 7211 0064 CUSHION 6 Q4914 1 QW 2461YC 01TK 1 C 8 7231 1885 HOLDER BATTERY Q360562 1 QW 2461YC 01TK 1 C 9 1002 181...

Page 12: ... MODE Push any button except for D button Then the display is returned to its original state NOTE The ACCURACY CHECKING MODE will automatically return to the regular mode in 1 2 hour s without any operation 6 PRECAUTIONS FOR REPAIR QW 2461 6 1 AC ALL CLEAR AND REMOVING OF MODULE 1 Perform AC ALL CLEAR when inserting a new battery or else the memories and or counters may give erratic displays Touch...

Page 13: ...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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