Casio QW-2957 Service Manual And Parts List Download Page 8

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3. DRAWINGS: MODULE QW-2957

3-1. LCD DIAGRAM

X0Y1

 U9

 U8

 U7

X16Y4

X16Y3

X16Y2

X16Y1

X16Y0

X15Y4

X15Y3

X15Y2

X15Y1

X15Y0

X14Y4

X14Y3

X14Y2

X14Y1

X14Y0

X13Y4

X13Y3

X13Y2

X13Y1

X13Y0

X12Y4

X12Y3

X12Y2

X12Y1

X12Y0

X11Y4

X11Y3

X11Y2

X11Y1

X11Y0

X10Y1

X10Y2

X10Y3

X10Y4

X10Y0

X9Y4

X9Y3

X9Y2

X9Y1

X9Y0

X8Y4

X8Y3

X8Y2

X8Y1

X8Y0

X7Y4

X7Y3

X7Y2

X7Y1

X7Y0

X6Y4

X6Y3

X6Y2

X6Y1

X6Y0

X5Y4

X5Y3

X5Y2

X5Y1

X5Y0

X4Y4

X4Y3

X4Y2

X4Y1

X4Y0

X3Y4

X3Y3

X3Y2

X3Y1

X3Y0

X2Y4

X2Y3

X2Y2

X2Y1

X2Y0

X1Y4

X1Y3

X1Y2

X1Y1

X1Y0

X0Y4

X0Y3

X0Y2

X0Y0

L18
L19
L20
L21
L22
L23
L24

LC5

LC1

LC2

LC3

LC4

L 3
L 4
L 5
L 6
L 7
L 8
L 9

L10
L11
L12
L13
L14
L15

L25
L26
L27

L16
L17

COM.

SEG.

L47

L46

L45

L28
L29
L30
L31
L32
L33

 U6

 U5

 U4

 U3

 U2

 U1

 U0

A1

P1

A0

REP

P0

f9

e9

DST0

f5

e5

a5

g5

d5

a9

g9

d9

b5

c5

DST1

b9

c9

f4

e4

f8

e8

a4

g4

d4

d8

b4

c4

b8
g8

a8

c8

MIN

COL0

HYP

COL1

f3

e3

f7

e7

a3

g3

d3

g7

d7

b3

c3

b7

c7

f2

e2

a2

g2

d2

SEC

b2

c2

PER

AUTO

f1

e1

a1

g1

d1

ALM0

c1

b1

e0

SIG

f0

a0

g0

d0

b0

SNZ1

c0

a7

e6

f6

a6

d6

g6

b6

c6

L40

L39

L34
L35
L36
L37

L41
L42
L43
L44

LC5

LC1

LC2

LC3

LC4

L38

L52

L51

L50

L49

L48

COM.

SEG.

X0

L3

L4

L5

L6

L7

L8

L9

L10

L11

L12

L13

L14

L15

L16

L17

L18

L19

LC1

LC2

LC3

LC4

LC5

L51

L52

L50

L49

L48

L47

L46

L45

L44

L43

L42

L41

L40

L39

L38

L37

L36

L35

L34

L33

L32

L31

L30

L29

L28

L27

SNZ1

SIG

ALM0

Y3

Y4

Y0

Y2

Y1

HYP

COL0

e6

d6

g6

c6

f6

a6

b6

e0

d0

g0

c0

f0

a0

b0

e1

d1

g1

c1

f1

a1

b1

e2

d2

g2

c2

f2

a2

b2

e3

d3

g3

c3

f3

a3

b3

e4

d4

g4

c4

f4

a4

b4

e5

d5

g5

c5

f5

a5

b5

e7

d7

g7

c7

f7

a7

b7

e8

d8

g8

c8

f8

a8

b8

e9

d9

g9

c9

f9

a9

b9

X16

U9

U8

U7

U6

U0

U5

U4

U3

U2

U1

MIN

DST0

P0

A0

REP

A1

P1

DST1

AUTO

SEC

PER

COL1

Summary of Contents for QW-2957

Page 1: ...SERVICE MANUAL PARTS LIST WITHOUT PRICE QW 2957 MODULE NO R REF NO S M 906 AUG 2005 G 7600 Ver 1 Sep 2005 ...

Page 2: ...RAWINGS MODULE QW 2957 3 1 LCD DIAGRAM 6 3 2 CIRCUIT DIAGRAM 7 3 3 CHECKING TERMINALS AND COMPONENT 8 4 EXPLODED VIEW MODULE QW 2957 9 5 PARTS LIST MODULE QW 2957 10 6 PRECAUTIONS FOR REPAIR MODULE QW 2957 6 1 AC ALL CLEAR AND REMOVING OF MODULE 11 6 2 ACCURACY CHECKING 11 ...

Page 3: ... data when there are 7 characters per record actual number of records depends on the number of characters per record Other Password World time 29 time zones 27 cities city code display daylight saving on off 1 100 sec stopwatch Measuring capacity 23 59 59 99 Measuring modes Elapsed time split time 1st 2nd place times Countdown timer Input range 1 min to 24 hr Unit 1 sec Other Auto repeat Multi ala...

Page 4: ... the week is automatically displayed in accordance with the date year month and day settings Daylight Saving Time DST Daylight Saving Time summer time advances the time setting by one hour from Standard Time Remember that not all countries or even local areas use Daylight Saving Time To toggle the Timekeeping Mode time between DST and Standard Time 1 In the Timekeeping Mode hold down A until the s...

Page 5: ...leted the Password Setting screen appears Current time in the zone of the selected city code Timekeeping Mode time City code World Time World Time shows the current time in 27 cities 29 time zones around the world All of the operations in this section are performed in the World Time Mode which you enter by pressing C To view the time in another city code In the World Time Mode press D to scroll th...

Page 6: ...ime is frozen on the display clears the split time and returns to elapsed time measurement All of the operations in this section are performed in the Stopwatch Mode which you enter by pressing C To measure times with the stopwatch Elapsed Time Start Stop Re start Stop Clear Start Split displayed Split release Stop Clear Start Split Stop Split release Clear Split Time Two Finishes First runner fini...

Page 7: ...erforming any operation it automatically changes to the Timekeeping Mode If you leave a screen with flashing digits or a cursor on the display for two or three minutes without performing any operation the watch automatically exits the setting screen Except for password input any settings you have made up to that point are saved automatically Scrolling The B and D buttons are used in various modes ...

Page 8: ...1 U0 A1 P1 A0 REP P0 f9 e9 DST0 f5 e5 a5 g5 d5 a9 g9 d9 b5 c5 DST1 b9 c9 f4 e4 f8 e8 a4 g4 d4 d8 b4 c4 b8 g8 a8 c8 MIN COL0 HYP COL1 f3 e3 f7 e7 a3 g3 d3 g7 d7 b3 c3 b7 c7 f2 e2 a2 g2 d2 SEC b2 c2 PER AUTO f1 e1 a1 g1 d1 ALM0 c1 b1 e0 SIG f0 a0 g0 d0 b0 SNZ1 c0 a7 e6 f6 a6 d6 g6 b6 c6 L40 L39 L34 L35 L36 L37 L41 L42 L43 L44 LC5 LC1 LC2 LC3 LC4 L38 L52 L51 L50 L49 L48 COM SEG X0 L3 L4 L5 L6 L7 L8 L...

Page 9: ...in dash line LD3KC3 Normal Low pin is used as the LD pin Therefore LD3KD3 pin is not specified as a soldering pad Also all the parts shown in dash line are not mounted if LED is not mounted 6 Normal High 7 KC3 is used in this module 8 KC2 is used in this module IC GND VDD2 BAT VCH VDD3 VC1 VC2 C3 C2 C4 XTB Xtal L3 L52 LC1 LC5 CT LD1 S1 S2 S3 VDD1 C1 BD LL1 Tr1 XT T1 T2 KI1 KI2 KI3 KI4 KI9 KI6 KI7 ...

Page 10: ...I9 KI9 KC4 KC4 KC4 N4 N4 N3 N3 N2 N2 N1 N1 T2 T1 KI7 KI7 KI6 KI6 XT KI8 KI4 KI5 KI3 KI1 VOUT GND GND GND KI8 BD LD2KC2 LD2KC2 LD2KC2 XTB KI2 VDD1 VOSC VCH L LD1 AC CLF1 CLF2 L VC1 VDD3 VC2 KC1 LED1 R1 VDD2 GND LD3KC3 LL1 KI5 VOSC VCH KI1 KI3 L L KI4 VOUT VC1 VDD2 KI2 XT XTB VC2 VC1 CLF1 CLF2 GND VDD2 GND XT LL1 GND VDD2 LL1 LL1 BD GND VOSC VCH GND LD3KC3 LED1 GND VDD2 R1 LD1 GND AC VDD2 KI8 KC1 KI...

Page 11: ...LODED VIEW MODULE QW 2957 10a 10193878 10b 10193879 8 10201005 6 10201012 17 10208889 12 76409012 PCB ass y 15 72019599 7 10076070 5 10097687 9 10201006 16 10201009 2 72360283 14 72330952 Battery Lithium CR2016 ...

Page 12: ...72110064 CUSHION 6 Q4914 1 QW 2957 Common 1 C 4 72119631 CUSHION 506 Q49364 1 QW 506C01 QW 2957 Common 2 C 5 10097687 CUSHION 2549 Q470646 1 QW 2957 Common 1 C 6 10201012 EL YEL 2957 A 01 QW 2957 Common 1 A 7 10076070 HOLDER BATTERY 2709 Q255451 1 QW 2957 Common 1 C 8 10201005 INTERCONNECTOR 2957 1 RJQ525786 001V01 QW 2957 Common 1 C 9 10201006 INTERCONNECTOR 2957 2 RJQ525787 001V01 QW 2957 Common...

Page 13: ...ck 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 D button press A and C 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 accuracy with...

Page 14: ...Ver 1 Sep 2005 Addition of the operation chart page 2 to 5 Correction of 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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