Casio QW-5311 Troubleshooting guide

SERVICE MANUAL
& PARTS LIST
(WITHOUT PRICE)
QW-5311
MODULE NO.
REF. NO. S/M-1220
JUN. 2013
GW-A1100-1A3
Ver.2 : Jun. 2015

CONTENTS
1. SPECIFICATIONS: MODULE QW-5311 ................................................. 1
2. DRAWINGS: MODULE QW-5311
2-1. CHECKING TERMINALS AND COMPONENTS........................................2
3. EXPLODED VIEW: MODULE QW-5311 ................................................. 3
4. PARTS LIST: MODULE QW-5311........................................................... 4
5. REPLACEMENT OF BATTERY: MODULE QW-5311
5-1. OPEN DISPLAY..........................................................................................5
5-2. AC (ALL CLEAR) .......................................................................................5
5-3. SETTINGS AFTER AC ...............................................................................6
5-4. HAND SET MODE ......................................................................................7
5-5. ADJUSTING THE BASELINE POSITION OF HANDS ..............................8
6. DISASSEMBLY AND REASSEMBLY: MODULE QW-5311
6-1. REMOVING THE CROWN .........................................................................9
6-2. REMOVING THE MODULE........................................................................9
6-3. REMOVING THE DIAL AND THE SOLAR CELL .....................................10
6-4. REMOVING THE PCB ASS’Y ...................................................................11
6-5. REASSEMBLY OF DIALS AND SOLAR CELL ........................................13
6-6. INSTALLING HANDS ................................................................................15
7. APPLYING SILICON OIL TO THE CROWN PIPE
7-1. APPLYING SILICON OIL...........................................................................18
8. TESTING: MODULE QW-5311
8-1. MEASURING CURRENT CONSUMPTION...............................................19
8-2. CHECKING THE MODEL..........................................................................20
8-3. ACCURACY CHECKING...........................................................................21
8-4. CONFIGURING HOME CITY.....................................................................22
8-5. SOLAR CELL-PCB ASS’Y CONTACT CHECKING .................................22
8-6. CHECKING THE HAND OPERATION ......................................................23
8-7. AGING MODE............................................................................................24
8-8. TIME CALIBRATION SIGNAL TEST ........................................................25

QW-5311
– 1 –
1. SPECIFICATIONS: MODULE QW-5311
Item Detail
Battery CTL920
Battery life Approx. 6 months
Current consumption 0.33 µA maximum
See page 19
Alarm system Piezo plate on Cover/Back
Accuracy ±15 sec./month
Accuracy setting system Theoretical regulation
Accuracy checking See page 21
Functions • Timekeeping:Hour,minutes(handmovesevery10seconds),seconds,day
 Calendarsystem:FullAuto-calendarpre-programmedfromtheyear2000to
2099
 Other:HomeCitycode(canbeassignedoneof29citycodesand
 CoordinatedUniversalTime);DaylightSavingTime(summertime)
 autoswitching/Standardtime,Dayoftheweek
• TimeCalibrationSignalReception:
Autoreceiveuptosixtimesaday(5timesadayfortheChinesecalibration
signal;Remainingautoreceivescancelledassoonasoneissuccessful);
Manual receive
 ReceivableTimeCalibrationSignals:
Mainingen,Germany(CallSign:DCF77,Frequency:77.5kHz);Anthorn,
England(CallSign:MSF,Frequency:60.0kHz);Fukushima,Japan(Call
Sign:JJY,Frequency:40.0kHz);Fukuoka/Saga,Japan(CallSign:JJY,
Frequency:60.0kHz);FortCollins,Colorado,theUnitedStates(CallSign:
WWVB,Frequency:60.0kHz);ShangqiuCity,HenanProvince,China(Call
Sign:BPC,Frequency:68.5kHz)
• Compass: 20secondscontinuousreading;Northindicationbyhand;
 Calibration(bidirectional,northerly);Manualreading
• WorldTime: 29cities(29timezones)andCoordinatedUniversalTime
Other:DaylightSavingTime(summertime)/StandardTime
• Stopwatch:Measuringcapacity:1:59’59.95”
 Measuringunit:1/20(0.05)seconds
 Measuringmode:Elapsedtime
 Flybacktiming
• CountdownTimer:
Measuringunit:1second
Inputrange:1to60minutes(1-minuteincrements)
• Alarm:Dailyalarm
• Other:PowerSaving;AutoCorrectionofHandHomePositions

QW-5311
– 2 –
2. DRAWINGS: MODULE QW-5311
2-1. CHECKING TERMINALS AND COMPONENTS
ANT2
VSS
VSS
PADBD1
SIO_R
VSS
VSC
P02
P03
VSS
P33
P32
P11
VSS
VSS
07
06
03
01
02
LED
PTIN1
P31
SCFOUT
P47
PA4
T1
PA1
VPP
PA0
P21
ANT1
AGC
VDD
P41
VCC
P40
PA2
P30
VBAT
XT
VSS
PTIN1
PTIN2
VCH VHF
VAN
VPM
PTIN2
PTIN3
PTIN3
VSN3
VSN2
VSN1
P01
VC3
P00
04
08
09
PM RES2
PM RES1
VSS
PM RES2 PM RES1
VSS
P46
P22
PADMP1
VDD2
AC
VSS
VSS
VCC
P10
P41 (SCL)
VCC (V+)
ADD0
P40 (SDA)
ALERT
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS VSS
VSS
VCH
VDD2
PADMP1
EMP
EMP
PADBD1
PADBD1
PADBD1
P22
VSC
09
03
01
02
P33
P31
VSN1
VSN2
VSN3
VDD2
VHF
P32
LED
XT
VBAT
PA2
ANT1
ANT2
VDD
VR2OUT
PEAK_C
SHPR_C
LPF_BB
PLL_C1
LPF2QP
LPF2IP LPF2IN
ANT_C2
ANT_C1
VC3
01
06
01
08
07
04
P01
LPF2QN
VDD
VR1OUT
AGC
ANT1
ANT2
VCC
P40
VSS
VSS
ANT2
P00
VC4
VSS
VDD2
VSS
ANT2
PLL_C2
VSS
VCC
VDD2
VSS
VSC
P03
P02
XTB
< front side >
< back side >
OSCILLATOR/
CRYSTAL

QW-5311
– 3 –
3. EXPLODED VIEW: MODULE QW-5311
13 (10357007)
3 (10439834)
7 (10394925)
5 (10398637)
5 (10398637)
10 (10234346)
4 (10238018)
12 (72301051)
12 (72301051)
1 (10417106)
5 (10398637)
14 (10357008)
15 (10394924)
10 (10234346)
8 (10140782)
11 (10212750)
Casing parts: DIAL
13 (10357007)
9 (10123230)
6 (10398638)
2 (10304339)
Battery Storage (CTL920)
Casing parts: SOLAR CELL

4. PARTS LIST: MODULE QW-5311
Q
W-5311A
T
1
Q
W-5311AT-02T
K
Note: 1. Prices and s
p
ecifications are sub
j
ect to chan
g
e without
p
rior notice.
2. S
p
are
p
arts are classified as follows accordin
g
to their im
p
ortance in after-sales service.
A
Rank ----------------------------------------
-
Im
p
ortant
C Rank ----------------------------------------
-
Not Im
p
ortant
3. Batteries in Bulk
p
ack on the tra
y
will be su
pp
lied from our Overseas S
p
are Parts Section under char
g
e
basis. Batteries in Blister
p
ack will be su
pp
lied from our Sales De
p
artment.
4. As for order/su
pp
l
y
of s
p
are
p
arts, refer to the se
p
arate
p
ublication "GUIDE BOOK for s
p
are
p
arts su
pp
l
y
".
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 and re
p
air usa
g
e for
similar models.
MAIN PARTS
Item Code No. Parts Name S
p
ecification Q'T
Y
R
1
10448811 MODULE/WITH MOVEMEN
T
QW-5311AT-02TK 1
A
1 10417106
A
NALOG BLOC
K
QW-5240MV-83TK 1
A
MINOR PARTS
Item Code No. Parts Name S
p
ecification Q'T
Y
R
1
2 10304339
@
BATTERY/LITHIUM-METAL
(
2
)
CTL-920F/CS 1 C
310439834 CIRCUIT SUPPORTER 5311 RJQ567031-001V01 1C
4 10238018 CUSHION 4709-2 RJQ532340-001V01 1 C
5 10398637 CUSHION 5219-1 RJQ559406-001V01 3 C
6 10398638 CUSHION 5219-2 RJQ559407-001V01 2 C
7 10394925 HOLDER 5219-2 RJQ559379-001V01 1 C
8 10140782 LABEL 2815 RJQ517198-001V02 1 C
9 10123230 SCREW/FLAT 2730 RJQ513792-001V01 2 C
10 10234346 SCREW/FLAT 4329 RJQ532242-001V01 6 C
11 10212750 SHEET/INSULATION 4323-2 RJQ527449-001V01 1 C
12 72301051 SPRING/COIL 1840-1 Q461270-1 2 C
13 10357007 SPRING/COIL 5140-1 RJQ552452-001V01 5 C
14 10357008 SPRING/COIL 5140-2 RJQ552453-001V01 1 C
15 10394924 TERMINAL/BATTERY
(
+
)
521
9
RJQ559221-001V01 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.L.-715.
Notes: R - Rank
A: Im
p
ortant
C: Not Im
p
ortant
QW-5311
— 4 —

QW-5311
– 5 –
5. REPLACEMENT OF BATTERY: MODULE QW-5311
5-1. OPEN DISPLAY
ThismodelisequippedwithEEPROM.Thedisplaycomesintothestatusshownbelowwhentheback
cover is open.
•Thehour-,minute-,andsecond-handsareinnormaloperation
•Themodehandstopsatthe30°position
•Buttonoperationsaredisabled
Returnstotheusualdisplaywhenthecoverisclosed.
Crown
Second hand
Hour hand
Mode hand
Minute hand
5-2. AC (ALL CLEAR)
•BesuretoperformAC(AllClear)afterabatteryisreplaced.UnlessACisperformed,thememory(s)
 and/orcounter(s)maynotbeinitializedandcausemalfunctions.
•Aquick-startcircuitisequipped.
 ExposethedialtothelightBEFOREANDAFTERperformingAC.
Illumination intensity Environment TimeRequiredforActivation
500 Lux  Indooruorescentlighting 30seconds
5000 Lux  Windowsunlightoncloudyday 3seconds
5-2-1. Procedures
1) Exposethedialtothelight.
2) TouchtheACcontactandthemainplatewithmetallictweezers.
Thecontactshouldbemadeforabouttwoseconds.
3) Closethebackcover.
4) Exposethedialtothelight.
5) Press Aor BtomovetotheTimekeepingmode.Withoutpressingbuttons,ittakesapproximately
1minutetoautomaticallygototheTimekeepingmode.
6) ConrmthatthewatchisoperatingintheTimekeepingmode.
*Once activated by Quick Start,A nished product has several states, such as “charging” (the
secondhandindicates57seconds).

QW-5311
– 6 –
5-3. SETTINGS AFTER AC
Function Settings
AfterACMode
 Closethebackcoverorshort-circuittheMPterminal.Whenyou
operateanybutton,EEPROMisreadafteronesecondandthen
thewatchgoesintotheTimekeepingmode.(Aligningthehands
totheirbaselinepositionsisneeded.)
TimekeepingMode
 Dateandtime:Friday,January1,201012:00:00AM
 HomeCityCode:TYO(UTC+9)
 DST:AUTO
 ModeHand:“FR”position
WorldTime
 WTCityCode:UTC
 Dateandtime:December31,20093:00:00PM
 DST:AUTO
 ModeHand:“WT”position
Stopwatch  Setting:“Reset”(00’00’’00)
 ModeHand:“ST”position
CountdownTimer
 Setting:“Reset”(10’00)
 StartTime:10minutes00second
 ModeHand:“TR”position
Alarm
 Time:12:00AM
 Alarm:OFF
 ModeHand:“AL”position
Digital Compass  Setting:Directionreading

QW-5311
– 7–
5-4. HAND SET MODE
Followthestepsbelowtosetthehandstothebaselineposition.
* ThewatchreturnstotheTimekeepingmodewhenthecrownispushedbackintheoriginalposition.
(Adjustmentsofthehandsmadebeforehandremainvalid.)
Note:
• ThebackcovermustbeclosedorMPmustbeshort-circuited.
• Leavingthecrownpulledoutformorethanapproximately2minuteswithoutperforminganyopera-
tionwillautomaticallycausecrownoperationstobecomedisabled.Ifthishappens,pressthecrown
backin,pullitout,andthenstarttheoperationoveragain.


Hand Set mode

Adjusting Calendar
Baseline position
The Second hand : 12:00 position
The Hour and minute-hands : 12:00 position
The 24-hour hand : 24:00 position
The Mode hand : 12:00 position
Calendar : Indicates “1”
*1 Rotating crown quickly fast-forwards calendar.
Pressing a button during fast-forwarding stops the fast-forwarding.
Timekeeping mode
Pull out the crown.
Hold down for 7 seconds.
Second hand
Crown
Hour hand
Minute hand
Calendar
24-hour hand
Mode hand
Push the crown back in.
Timekeeping mode
Checking the baseline position
All hands will move to
the baseline position.
<When the 24-hour hand is pointing at the 12:00 position>
Hold down for 2 seconds or more to move
the hand to the 24:00 position.


Turning the crown clockwise : Normal rotation setting *1
Turning the crown counterclockwise : Reverse rotation setting *1
Normal rotation Reverse rotation

QW-5311
– 8–
5-5. ADJUSTING THE BASELINE POSITION OF HANDS
Besuretoperformthesestepsafter“INSTALLINGHANDS”onP.15and/or“REMOVINGTHEPCB
ASS’Y”onP.11.
Throughthesesteps,youcanchecktheaccuracyofthehandinstallationandwritethedatatocorrect
themisalignmentoccurredwhileinstallingthehand.
Lowbatteryvoltagemayresultinfailuretowritethedatainthememory.
Iffailureoccurs,receivinganNGresult,useanexternalpower(2.5V)andcheckagain.
Note: The back cover must be closed or MP must be short-circuited.
Misalignmentofhandinstallationmaybecorrectedwithintherangebelow.
Modehand Hourhand Minutehand
±1°fromthebaselineposition ±1°fromthebaselineposition ±5°fromthebaselineposition
5-5-1. Procedures
+×2 times (*Press sequentially)
ADJUSTING THE BASELINE POSITION OF HANDS
All hands are in the baseline position
The second hand is in the baseline position
Mode hand adjustment mode (the hour, minute, and second hands pointing at 55)
Hour hand adjustment mode (the minute and second hand pointing at 55)
Baseline position + 1° from the baseline position - 1° from the baseline position
Adjusting the mode hand (the hand is at the baseline position)
 
Second hand position
Determination of result
10 second
Successful
50 second
Failed
Timekeeping mode
Timekeeping mode

Baseline position + 1° from the baseline position - 1° from the baseline position
Adjusting the hour hand (the hand is at the baseline position)
 

Minute hand adjustment mode (the second hand pointing at 55)
Baseline position + 1°~ 5° from the baseline position - 1°~ 5° from the baseline position
Adjusting the minute hand (the hand is at the baseline position)
 





Crown
Pull out the crown → Hold down for 7 seconds
→ Release 
Push the crown back in.
While holding down , press twice.
* If

is not pressed immediately after pressing

, the mode
changes to the 12/24-hour switching mode and the hour hand
starts rotating. If this happens, wait until the hour hand stops and
repeat the step.
Hour hand
24-hour hand
Mode hand Second hand


Minute hand