Casio G-011D Troubleshooting guide

SERVICE MANUAL
& PARTS LIST
(WITHOUT PRICE)
QW-4762
QW-4778
MODULE NO.
R
REF. NO. S/M-980
JAN. 2007
G-011D G-1800D

CONTENTS
Page
1. SPECIFICATIONS: MODULE QW-4762/4778 ........................................... 1
2. OPERATION CHART: MODULE QW-4762/4778 ...................................... 2
3. DRAWINGS: MODULE QW-4762/4778
3-1. LCD DIAGRAM ............................................................................................10
3-2. CHECKING TERMINALS AND COMPONENTS .........................................12
4. EXPLODED VIEW: MODULE QW-4762/4778 .......................................... 13
5. PARTS LIST: MODULE QW-4762/4778 ................................................... 14
6. PRECAUTIONS FOR REPAIR: MODULE QW-4762/4778
6-1. AC (ALL CLEAR) AND REMOVING OF MODULE ..................................... 18
6-2. ACCURACY CHECKING ............................................................................. 18

— 1 —
1. SPECIFICATIONS: MODULE QW-4762/4778
Battery CR1220
Battery life QW-4762: Approx. 3 years
QW-4778: Approx. 3 years
Current consumption QW-4762: 0.7690 µA maximum
QW-4778: 0.4970 µA maximum
Alarm system Piezo plate on Cover/Back
Accuracy ±15 sec./month
Accuracy setting system Trimmer capacitor
Accuracy checking See page 18
Item Detail
Functions • LED light
Auto light switch, afterglow
• World time
29 time zones (27 cities), city code display, daylight saving on/off
• 1/100-second stopwatch
Measuring capacity: 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 incre-
ments)
Others: Auto-repeat, time up alarm, progress beeper on/off
• Daily alarms
5 Independent daily alarms (4 one-time alarms and 1 snooze alarm)
• Hourly time signal
• Auto-calendar (to year 2039)
• 12/24-hour format
• Regular timekeeping
Analog: 2 hands (Hour, minute (hand moves every 20 seconds))
Digital: Hour, minutes, seconds, pm, month, date, day

— 2 —
2. OPERATION CHART: MODULE QW-4762/4778
MODULE QW-4762
* The operation chart will be added in the next revision.

— 3 —

— 4 —

— 5 —

— 6 —
MODULE QW-4778
* The operation chart will be added in the next revision.

— 7 —

— 8 —

— 9 —

— 10 —
3. DRAWINGS: MODULE QW-4762/4778
3-1. LCD DIAGRAM
MODULE QW-4762
L25
L26
L27
L28
L24
L23
L22
L21
L20
L19
L18
L17
L16
L15
L14
L13
L12
L11
L10
L 9
L 8
L 7
L 6
L 5
L 4
LC1 LC2 LC3 LC4 LC5
COM.
SEG.
L29
L30
l 5
l 4
SIG
l 6
l 3
e 1
d 1
e 0
d 0
SNZ
l 9
l 0
SPL
l 8
l 1
a 1
b 1
f 0
a 0
b 0
DST0
l 7
l 2
f 1
g 1
c 1
g 0
c 0
ALM
x16y1
x16y2x16y3x16y4x16y5
x13y4 x13y3 x13y2
x13y1
x14y2x14y3x14y4x14y5
x15y4 x15y3 x15y2
x15y1
x13y5
x15y5
x14y1
L 3
L52
L51
L50
L49
L48
L47
L46
L45
L44
L43
L42
L41
L40
L39
L38
L37
L36
LC1 LC2 LC3 LC4 LC5
x6y3
x9y1
x8y3
x6y2
x9y4 x9y2
x7y3
x8y1
x9y5
x7y2
x6y1
x8y2
x7y4
x8y5
x1y5
x10y3
x5y1
x5y4
x10y1
COM.
SEG.
L35
L34
L33
L32
L31
x0y3
x0y1
x6y4
x0y4
x7y5
x0y5
x8y4
x0y2
x9y3
x6y5
x10y5
x12y1
x10y4 x10y2
pm0
AUTO EL
x11y1
x11y2x11y3x11y4x11y5
x2y2x2y3
x4y3x4y4
x3y5
x4y5
x3y1
x3y2
x1y4 x1y2
x1y1
x12y4 x12y2x12y3x12y5
x3y3
x2y4
x4y1
x5y2x5y3x5y5
x1y3
x2y1
x4y2
x3y4
x2y5
x7y1
L45
L43
L42
L41
L39
L38
L37
L36
L35
L34
L33
L32
L31
L30
L29
L28
L27
L26
L15
L14
L13
L47
L12
L10
L 9
L11
LC5
LC4
LC3
LC1
LC2
LC1
LC2
LC3
LC4
LC5
SPL
l 2
SIG
SNZ
DST0
x0
x16
y1
y5
AUTO EL
pm0
d 0
b 0
c 0
f 0
e 0
a 0
g 0
l 3
l 4
l 5
l 6
l 7
l 1
l 0
l 9
l 8
L44
ALM
d 1
b1
c 1
f 1
e 1
a 1
g 1

— 11 —
MODULE QW-4778
LC 5
LC 4
LC 3
L 9
L10
LC 2
L47
L 8
LC 1
L15
L13
L14
L12
L11
L 7
LC2
LC1
L44
L43
L42
L41
L39
L38
L37
L36
L35
L34
L33
L32
L31
L30
L29
L28
L27
L26
LC3
LC4
LC5
L45
l 2
AUTO EL
l 3
l 4 l 5 l 6 l 7
l 1
l 0
l 9
l 8
k 0
k 1
k 2
k 3
k 4
k 5
k 6
k 7
k 8
k 9
d 0
b 0
c 0
f 0
e 0
a 0
g 0
d 1
b 1
c 1
f 1
e 1
a 1
g 1
SPL
DST 0
SNZ SIG
ALM
pm 0
x0 x16
y1
y5
x16y5 x16y4 x16y3 x16y2 x16y1
ALM
c 0
g 0
c 1
g 1
f 1
l 2
l 7
k 2
k 7
DST 0
b 0
a 0
f 0
b 1
a 1
l 1
l 8
k 1
k 8
SPL
l 0
l 9
k 0
k 9
SNZ
d 0
e 0
d 1
e 1
l 3
l 6
k 3
k 6
SIG
l 4
l 5
k 4
k 5
SEG. COM. LC 5LC 4LC 3LC 2LC 1 SEG. COM. LC 5LC 4LC 3LC 2LC 1
L 4
L 5
L 6
L 7
L 8
L 9
L10
L11
L12
L13
L14
L15
L16
L17
L18
L19
L20
L21
L22
L23
L24
L27
L26
L25
L 3
x7y1
x2y5
x3y4
x4y2
x2y1
x1y3
x5y5 x5y3 x5y2
x4y1
x2y4
x3y3
x12y5 x12y3 x12y2
x12y4
x14y1
x13y5
x1y1x1y2
x1y4
x3y2 x3y1
x4y5
x3y5
x4y4 x4y3
x2y3 x2y2
x14y5 x14y4 x14y3 x14y2
x13y1x13y2
x13y3x13y4
x11y5 x11y4 x11y3 x11y2 x11y1
AUTO EL
pm 0
x10y2
x10y4
x12y1
x10y5
x6y5
x9y3
x0y2
x8y4
x0y5
x7y5
x0y4
x6y4
x0y1
x0y3
L30
L31
L32
L33
L34
L35
L29
x10y1
x5y4 x5y1
x10y3
x1y5
x8y5
x7y4
x8y2
x6y1
x7y2
x9y5
x8y1
x7y3
x9y2
x9y4
x6y2
x8y3
x9y1
x6y3
L36
L37
L38
L39
L40
L41
L42
L43
L44
L45
L46
L47
L48
L49
L50
L51
L52
x15y5 x15y1x15y2x15y3x15y4
L28

—12 —
3-2. CHECKING TERMINALS AND COMPONENTS
SENSOR/TILT
OSCILLATOR/CRYSTAL
Short pad for N trimming
CUSHION 6
CAPACITOR/TRIMMER
Short pad for switching modules
KI1-KI1/KI4: Open (No Soldering)
Short pad for switching modules
KI3-KI3/KI5: Open (No Soldering)
KI5-KI3/KI5: Short (Soldering)
GND-OVD: Short (Soldering)
GND-KI7: Open (No Soldering)
Short pad for switching modules
KC2-KI2: Open (No Soldering)
KC3-KI2: Open (No Soldering)
KC4-KI2: Open (No Soldering)
KI4-KI1/KI4: Open (No Soldering)
2. PCB ASS'Y
QW-4762
(76410299)
QW-4778
(76410299)
LC1 L51 L50
LC2 LC1
L52 L47 L49 LC2 L48 L19
L46 L45 L44 L43 L42 L41 L40 L39 L38 L37 L36 L35 L34 L33 L32 L31 L30 L29 L28 L27 L26
L18 L17 L16 L15 L14 L13 L12 L11 L10 L 9 L 8 L 7 L 6 L 5 L 4 L 3 LC3 LC4 LC5
LC3 LC4 LC5
KI1
KI4
KI5
KI3
KI1/KI4
KI3/KI5
RLD1
OVD
RLD1
GND
GND
GND
N4
N3
N2
N1
KI8
GND
KI7
L23
VDD1 GND
GND
VDD3
L25
L24
L22
L21
L20
KC1 KI9
KI9
KC1
XTB
XT
KC4
KI9
KI1
KI7
KI6
VDD1
KI2
T1 T2
VCH
LD1
GND
BD
L1
KC2
KI9
KC3 KI9
KC4
KI9
KC4
KI2
KC3
KI2
KC2
KI2
KI4
VDD2
VC1
VC2
VOSC
KI4
LEDOUT
RLD1
K15
VDD3
AC
L2
KI1/KI4
OVD
KI1
KI1/KI4
KC3
KC2
KC1
GND
OVD
VSENSGND
K13/K15
K15
K13/K15
K13
K13
LL1
KI3/KI5
KI1/KI4
KI3
KI5
KI4
KI1
L1
L2
KC1
KI9
KI9
KC1
XT
GND
KI9
XTB
XT
GND
VCH
GND
VOSC
COIL
VDD2
VDD2
LL1
GND
BD
LL1
VDD2
GND
KI2
LD1
RLD2
LEDOUT
VDD2
LD1
OVD
LEDOUT
VSENS
COIL
OVD
COIL
VDD2
GND
GND
RLD2
GND VDD2
GND
VC1 VC2
LL1
VOSC
VCH
AC
VC1
LD1
L2
VDD2
KI1
GND
OVD
GND
GND
KC1

— 13 —
4. EXPLODED VIEW: MODULE QW-4762/4778
QW4778: 4 (10253673)
QW4762: 4a (10250499)
4b (10250965)
16 (72300665)
14 (10209124)
7 (10201541)
QW4778: 3 (10253674)
QW4762: 3a (10250500)
3b (10250966)
2 (76410299)
11 (10137168)
9 (10260667)
8 (10243739)
20 (10109742)
19 (72240652)
18 (10224334)
17 (10201015)
15 (10243741)
10 (10255006)
6 (10016598)
12 (10137169)
PCB Ass'y
Battery/Lithium
(CR1220)
13 (10201055)
5 (10055369)
1 (76404704)
13 (10201055)
7 (10201541)

5. PARTS LIST: MODULE QW-4762/4778
MODULE QW-4762
QW-4762A
T
1 QW-4762AT-91
2 QW-4762AT-92
Note: 1. Prices and specifications are subject to change without prior notice.
2. Spare parts are classified as follows according to their importance in after-sales service.
A
Rank ----------------------------------------
-
Important
C Rank ----------------------------------------
-
Not Important
3. Batteries in Bulk pack on the tray will be supplied from our Overseas Spare Parts Section under charge basis.
Batteries in Blister pack will be supplied from our Sales Department.
4. As for order/supply of spare parts, refer to the separate publication "GUIDE BOOK for spare parts supply".
A
ttention to order
1. The most of normal re
p
air or initial re
p
air within 1
y
ear since released month can be done b
y
main
p
arts.
2. Minor
p
arts should be ordered carefull
y
in consideration of the actual usa
g
e of
y
our re
p
air and
y
our technical skills.
3. Main
p
arts should be ordered and stocked a
pp
ro
p
riatel
y
in consideration of
y
our
p
arts usa
g
e anre re
p
air usa
g
e for
similar models.
MAIN PARTS
Item Code No. Parts Name S
p
ecification R
12
10250688 MODULE/WITH MOVEMENT QW-4762AT-91 1
A
10250969 MODULE/WITH MOVEMENT QW-4762AT-92 1
A
1 76404704
A
NALOG BLOCK QW-2700MV-82TK 1 1
A
2 76410299 PCB ASS'
Y
RJQ536438*001V01TK 1 1
A
3a 10250500 LCD
(
3H-6H
)
S4762W-01THN 1
A
3b 10250966 LCD
(
3H-6H
)
S4762W-02THP 1
A
4a 10250499 LCD
(
9H-12H
)
S4762S-01THN 1
A
4b 10250965 LCD
(
9H-12H
)
S4762S-02THP 1
A
MINOR PARTS
Item Code No. Parts Name S
p
ecification R
12
5 10055369 COIL ASS'Y Q369455*1 1 1 C
6 10016598 CONTACT/BATTERY
(
-
)
Q366836-1 1 1 C
7 10201541 CUSHION 3766 RJQ527521-001V01 4 4 C
8 10243739 HOLDER/HOUR WHEEL RJQ533200-001V01 1 1 C
9 10260667 INTERCONNECTO
R
RJQ536615-001V01 2 2 C
10 10255006 LABEL RJQ524829-001V04 1 1 C
11 10137168 PLATE/TERMINAL 2787-1 RJQ515398-001V02 1 1 C
Notes: Q - Used quantity
R - Rank
A : Important
C: Not Important
Q'TY
Q'TY
- 14 -

Item Code No. Parts Name S
p
ecification R
12
12 10137169 PLATE/TERMINAL 2787-2 RJQ515399-001V02 1 1 C
13 10201055 SCREW/1300-1 Q436969-1V03 3 3 C
14 10209124 SCREW 4323 RJQ526942-001V01 2 2 C
15 10243741 SHEET/INSULATION RJQ533683-001V01 1 1 C
16 72300665 SPRING/COIL 1349-1 Q450872-1 2 2 C
17 10201015 SPRING/COIL 2958 RJQ525615-001V01 1 1 C
18 10224334 SPRING/COIL 4359-1 RJQ529996-001V01 1 1 C
19 72240652 WASHER Q421691-1 1 1 C
20 10109742 WHEEL/HOUR Q372649-1 1 1 C
For the
p
rices and minimum order/su
pp
l
y
q
uantities of the above
p
arts, refer to the Parts Price List P.P.L.-638.
.
Notes: Q - Used quantity
R - Rank
A : Important
C: Not Important
Q'TY
- 15 -

MODULE QW-4778
QW-4778A
T
1 QW-4778AT-01T
K
Note: 1. Prices and specifications are subject to change without prior notice.
2. Spare parts are classified as follows according to their importance in after-sales service.
A
Rank ----------------------------------------
-
Important
C Rank ----------------------------------------
-
Not Important
3. Batteries in Bulk pack on the tray will be supplied from our Overseas Spare Parts Section under charge basis.
Batteries in Blister pack will be supplied from our Sales Department.
4. As for order/supply of spare parts, refer to the separate publication "GUIDE BOOK for spare parts supply".
A
ttention to order
1. The most of normal re
p
air or initial re
p
air within 1
y
ear since released month can be done b
y
main
p
arts.
2. Minor
p
arts should be ordered carefull
y
in consideration of the actual usa
g
e of
y
our re
p
air and
y
our technical skills.
3. Main
p
arts should be ordered and stocked a
pp
ro
p
riatel
y
in consideration of
y
our
p
arts usa
g
e anre re
p
air usa
g
e for
similar models.
MAIN PARTS
Item Code No. Parts Name S
p
ecification Q'TY R
1
76410349 MODULE/WITH MOVEMENT QW-4778AT-01TK 1
A
1 76404704
A
NALOG BLOCK QW-2700MV-82TK 1
A
2 76410299 PCB ASS'
Y
RJQ536438*001V01TK 1
A
3 10253674 LCD
(
3H-6H
)
S4778W-01THP 1
A
4 10253673 LCD
(
9H-12H
)
S4778S-01THP 1
A
MINOR PARTS
Item Code No. Parts Name S
p
ecification Q'TY R
1
5 10055369 COIL ASS'Y Q369455*1 1 C
6 10016598 CONTACT/BATTERY
(
-
)
Q366836-1 1 C
7 10201541 CUSHION 3766 RJQ527521-001V01 4 C
8 10243739 HOLDER/HOUR WHEEL RJQ533200-001V01 1 C
9 10260667 INTERCONNECTO
R
RJQ536615-001V01 2 C
10 10255006 LABEL RJQ524829-001V04 1 C
11 10137168 PLATE/TERMINAL 2787-1 RJQ515398-001V02 1 C
12 10137169 PLATE/TERMINAL 2787-2 RJQ515399-001V02 1 C
13 10201055 SCREW/1300-1 Q436969-1V03 3 C
14 10209124 SCREW 4323 RJQ526942-001V01 2 C
15 10243741 SHEET/INSULATION RJQ533683-001V01 1 C
Notes: Q - Used quantity
R - Rank
A : Important
C: Not Important
- 16 -

Item Code No. Parts Name S
p
ecification Q'TY R
1
16 72300665 SPRING/COIL 1349-1 Q450872-1 2 C
17 10201015 SPRING/COIL 2958 RJQ525615-001V01 1 C
18 10224334 SPRING/COIL 4359-1 RJQ529996-001V01 1 C
19 72240652 WASHER Q421691-1 1 C
20 10109742 WHEEL/HOUR Q372649-1 1 C
For the
p
rices and minimum order/su
pp
l
y
q
uantities of the above
p
arts, refer to the Parts Price List P.P.L.-638.
.
.
Notes: Q - Used quantity
R - Rank
A : Important
C: Not Important - 17 -

— 18 —
6. PRECAUTIONS FOR REPAIR: MODULE QW-4762/4778
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 the AC contact and the main plate with the metallic tweezers.
The contact should be made for about two seconds.
6-2. ACCURACY CHECKING
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 D button, press A and Cbuttons 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 the quartz timer.
B) CANCELLATION OF THE “ACCURACY CHECKING MODE”
Press 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.
QW-4778
Metallic tweezers
C
A
D
B
QW-4762
A
C
B
D