Casio QW-3042 Service Manual

SERVICE MANUAL

& PARTS LIST

REF. NO. S/M-967

AUG. 2006

MODULE NO.

QW-3042

PRW-1200J

R

(WITHOUT PRICE)

CONTENTS

Page

1. SPECIFICATIONS: MODULE QW-3042 .................................................... 1

2. DRAWINGS: MODULE QW-3042

2-1. LCD DIAGRAM ............................................................................................. 2

2-2. CHECKING TERMINALS AND COMPONENTS ..........................................3

3. EXPLODED VIEW: MODULE QW-3042 .................................................... 4

4. PARTS LIST: MODULE QW-3042 ............................................................. 5

5. PRECAUTIONS FOR REPAIR: MODULE QW-3042

5-1. AC (ALL CLEAR) AND REMOVING OF MODULE ......................................6

5-2. ACCURACY CHECKING ..............................................................................8

5-3. SOLAR CELL-PCB ASS'Y CONTACT CHECKING.....................................8

5-4. HOW TO CHECK TILT SENSOR..................................................................9

5-5. TIME CALIBRATION SIGNAL TEST MODE ................................................9

6. TROUBLESHOOTING: MODULE QW-3042............................................. 10

1. SPECIFICATIONS: MODULE QW-3042

Item Detail

Battery CTL1616 (Storage battery)

Battery life Approx. 5 months (from full charged condition)
Current consumption 1.764 µA maximum
Alarm system Piezo plate on Cover/Back
Accuracy ±15 sec./month
Accuracy setting system Trimmer capacitor
Accuracy checking See page 8
Functions:

Note: Use CTL1616 only. Other storage battery or CR1616 can cause

damage to the watch.

• Electro-luminescent backlight
Full auto EL light, afterglow

• Solar powered

• Low-temperature resistant (–10°C)

• Digital compass
Measures and displays direction as one of 16 points
Measuring range: 0 to 359°
Measuring unit: 1°
20 seconds continuous measurement
Graphic direction pointer
Bidirectional calibration and northerly calibration function

• Altimeter
Measuring range: –700 to 10,000 m
Measuring unit: 5 m
Auto memory measurements (up to 40 records, each including altitude, month, data, time)
High Altitude / Low Altitude Memory
Cumulative Ascent / Descent Memory
Relative Altitude Display
Altitude Tendency Graph
Altitude Differential Graphic
Altitude alarm

• Barometer
Display range: 260 to 1,100 hPa
Display unit: 1 hPa
Atmospheric pressure tendency graph
Atmospheric pressure differential graphic

• Thermometer
Display range: –10 to 60°C
Display unit: 0.1°C

• Duplex LC display

• World time
29 time zones (30 cities), city code display, daylight saving on/off

• 1/100-second stopwatch
Measuring capacity: 9:59'59.99"
Measuring modes: Elapsed time, split time, 1st-2nd place times

• Countdown timer
Measuring unit: 1 second
Countdown range: 60 minutes
Countdown start time setting range: 1 to 60 minutes (1-minute increments)
Others: Auto-repeat, progress beeper

• Daily alarms
5 independent daily alarms

• Hourly time signal

• Battery power indicator

• Power save function (automatically disables LCD if the watch is left in the dark for approximately 60 to 70
minutes, and sensor measurements if the watch is left in the dark for six or seven days)

• Auto-calendar (to year 2099)

• 12/24-hour format

• Regular timekeeping: Hour, minutes, seconds, pm, month, date, day

• Time calibration signal reception
Auto receive
Manual receive
Last date/time received display

• Receivable Time Calibration Signals
Mainflingen, Germany (Call Sign: DCF77, Frequency: 77.5kHz)
Rugby, England (Call Sign: MSF, Frequency: 60kHz)
Fort Collins, Colorado (Call Sign: WWVB, Frequency: 60kHz)
Fukushima, Japan (Call Sign: JJY, Frequency: 40kHz)
Fukuoka/Saga, Japan (Call Sign: JJY, Frequency: 60kHz)

— 1 —

2. DRAWINGS: MODULE QW-3042
2-1. LCD DIAGRAM

m

min0

act

b4

a4

alti-al

hpa

f4

x16x0

deg

b5

a5

min1

f5

h5

b6

a6

f6

b7

a7

f7

hyp1

autolight

inhg

L52
L51
L50
L49
L48
L47

ant1

ant0

record

dst1

y0

sig

alm

L43
L42
L41
L40
L39
L38
L37
L36
L35
L34
L33
L32

y7

ant2

pm1

a8

g4

g5

g6

g7

c4

e4

e5

col1

e6

c7 c6 c5

e7

col2

b8

c8

g8

f8

e8

ft

d8

d4

d5

d6

d7

relative

°C

a0

a1

point1

col0

a2

adeg3

pm0

p.save

l34

l35

l44

l45

l54

l55

l33

l36

l43

l46

l53

l56

LC1

highmiddlelow

LC2
LC3
LC4
LC5
L1
L2
L3
L4
L5
L6
L7
L8
L9
L10
L11
L12
L13
L14
L15
L16
L17
L18
L19
L20
L21
L22
L23
L24
L25
L26
L27
L28
L29
L30
L31

LC7 LC8 LC9 LC10

LC6

COM

SEG

l32

l37

l31

l38

l39

L45 l30

L46

hyp1

record

dst1

relative

x7y0

x6y0

l42

l41

l40

L53

low

b3

x5y0

l47

l52

l48

l51

l49

l50

L54

L55

c3

dst0

pm0

adeg3

x4y0

x3y0

l57

l58

l0 l1 l2 l3 l4

l59

L56

L57

sig

ant0

alm

autolight

x2y0

x1y0

l9 l8 l7 l6 l5

L58

ant2ant1

x0y0

l10 l11 l12 l13 l14

L59

x0y6

x0y7

x0y5

l19 l18 l17 l16 l15

L60

x1y6

x1y7

x1y5

l20 l21 l22 l23 l24

L61

x2y6

x2y7

x2y5

l29 l28 l27 l26 l25

L62

x3y6

x3y7

x3y5

x4y6

x4y7

x4y5

L31

COM

SEG

x5y6

x5y7

x5y5

p.save

L30

L29 charge

x6y6

x7y6

x6y7

x7y7

x6y5

x7y5

x8y6

x8y7

x8y5

x9y6

x9y7

x9y5

x10y6

x11y6

x10y7

x11y7

x10y5

x11y5

x12y6

x13y6

x12y7

x13y7

x12y5

x13y5

x14y6

x14y7

x14y5

recover

°F

b0

c0

g0

d0

f0

e0

b1

c1

point0

g1

d1

f1

e1

hyp0

b2

c2

g2

d2

f2

e2

b3

c3

dst0

charge

LC2 LC3 LC4 LC5

x7y1

x6y1

x5y1

x4y1

x3y1

x2y1

x1y1

x0y1

x0y4

x1y4

x2y4

x3y4

x4y4

x5y4

x6y4

x7y4

x8y4

x9y4

x10y4

x11y4

x12y4

x13y4

x14y4

I15

I14

I46

I45

I16

I44

I17

I43

I18

I42

I19

I41

I20

I40

I21

I39

I22

I38

I23

I37

I24

I36

I25

I35

I26

I34

I27

I33

I28

I32

I29
I30

I31

COM

COM

LC1

SEG

LC2 LC3 LC4 LC5

LC1

SEG

x6y2

L24 x7y2

L25

x15y6

x16y6

x15y7

x16y7

x15y5

x16y5

x15y4

x16y4

L 1 x15y3

L 2 x16y3

x5y2

x4y2

x3y2

L26

L27

L28

col1

alti-al

mhpa

act

min0

x16y0

x15y0

x14y0

x16y1

x15y1

x14y1

L 3 x16y2

L 4 x15y2

L 5 x14y2

x2y2

x1y2

x0y2

x0y3

L32

L33

L34

L35

f4

b4

a4

inhg

c4

g4

e4

deg

x13y0d4x12y0

x11y0

x13y1

x12y1

x11y1

L 6 x13y2

L 7 recover ft

L 8 x12y2

L 9 x11y2

x1y3

x2y3

L36

L37

b5

a5

c5

g5

d5

x10y0

°C

x10y1

L10 x10y2

L11 °F

x3y3

x4y3

x5y3

x6y3

L38

L39

L40

L41

b6

a6f6b7

min1

f5 h5

c6

g6

point1

e5

a0f0d6

b0g0e0b1g1

L12 c0

L13 d0

L14 point0

L15 c1

x7y3

x8y3

x9y3

x10y3

L42

L43

L47

L48

a7f7b8

e6c7g7

e7c8g8

a1f1d7b2a2

c2

e1

hyp0

middle

L16 d1

L17 high

L18 col0

L19

x11y3

L49

g2

L20

x12y3

x13y3

L50

L51

f8

a8

e8

d8

x9y0

f2

x9y1

e2

x9y2

L21d2L22

x14y3

L52

col2

pm1

x8y0

x8y1

x8y2

L23

I13

I12

I11

I10

LC10
LC9
LC8
LC7
LC6
L62
L61
L60
L59
L58
L57
L56
L55
L54
L53

I5

I4

I3

I2

I9

I8

I7

I6

I1
I0
I59

L46
L45

I58

I57

I56

I55

I54

I53

I52

I51

I50

I49

I48

I47

— 2 —