Casio QW-4343, QW-4329 Service Manual
SERVICE MANUAL
& PARTS LIST
REF. NO. S/M-981
JAN. 2007
MODULE NO.
QW-4343
GS-1000J
R
(WITHOUT PRICE)
CONTENTS
Page
1. SPECIFICATIONS: MODULE QW-4343 .................................................... 1
2. DRAWINGS: MODULE QW-4343
2-1. CHECKING TERMINALS AND COMPONENTS ..........................................2
3. EXPLODED VIEW: MODULE QW-4343 .................................................... 3
4. PARTS LIST: MODULE QW-4343 ............................................................. 4
5. PRECAUTIONS FOR REPAIR: MODULE QW-4343
5-1. AC (ALL CLEAR) AND REMOVING OF MODULE ......................................6
5-2. ACCURACY CHECKING,
SOLAR CELL-PCB ASS'Y CONTACT CHECKING.....................................
5-3. DATE INDICATOR MOVEMENT ACCURACY CHECK MODE ...................8
5-4. TIME CALIBRATION SIGNAL TEST MODE ................................................8
5-5. HANDLING INSTRUCTIONS TO PRESS FITTING THE HANDS...............10
7
6. TROUBLESHOOTING: MODULE QW-4343............................................. 11
1. SPECIFICATIONS: MODULE QW-4343
Item Detail
Battery CTL1025 (Storage battery)
Note: Use CTL1025 only. Other storage battery or CR1025 can cause
damage to the watch.
Battery life Approx. 5 months
Current consumption 0.40 µA maximum
Alarm system Piezo plate on Cover/Back
Accuracy ±20 sec./month
Accuracy setting system Chip capacitor selection
Accuracy checking See page 7
Functions • Solar powered
• Time calibration signal reception
Auto receive
Manual receive
• Time Calibration Signal
Receivable Time Calibration Signals
Fort Collins, Colorado (Call Sign: WWVB, Frequency: 60kHz)
Fukushima, Japan (Call Sign: JJY, Frequency: 40kHz)
Fukuoka/Saga, Japan (Call Sign: JJY, Frequency: 60kHz)
• Low battery warning display
• World Time
• 1/20-second stopwatch
Measuring capacity: 23:59'59
• Daily alarm
• Power Saving (Turns off the display when the watch is left in the dark)
• Auto-calendar
— 1 —
2. DRAWINGS: MODULE QW-4343
2-1. CHECKING TERMINALS AND COMPONENTS
CUSHION 506
KI1
GND
KI3
Short pad for switching modules
KI5-GND: Open (No Soldering)
KI6-GND: Open (No Soldering)
KI7-GND: Open (No Soldering)
VDD2
VDD2
P2
FET-D
KI4
GND
O4
O1
O1
O3
O2
XTB
XT
OSCILLATOR/CRYSTAL
LL1
O1
KI2
TAPE/ADHESIVE 2306
O5
O6
O1
O1
GND
VSC
Short pad for R trimming
2. PCB ASS'Y
(76409259)
KI5
SCIN
SCIN
GND
Tr1
GND
KI7
GND
GND
R3
KI6
LL1
LL1
VDD2
VDD2
BD
GND
SCR
VDD2
GND
VSC
VSC
GND
AC
VDD2
VDD2
GND
Ccp
P1'
P2'
P3-1
GND
Vcc
P9
P4
KI8
Ccp
GND
P7
P5
P7
P7P5
VCH
GND
VCH
GND
VC3
O5
O6
VHF
O1
KC1
VC4
VC3
P1' P1' P1' P1' P1' P1'
FET-S
FET-S'
FET-S'
KC4
GND
P1'
FET-S'
VPM
FET-S'
P1
P2'
P2' P2'
RPM
RPM
R2
KI4 KI1
GND
GNDB
KI2
GND
R1 GND
LL1
Tr1
GND
SCIN
GND
GND
GND
XT
XT
VSC
P2
P2'
KI3
— 2 —
3. EXPLODED VIEW: MODULE QW-4343
6 (10218649)
16 (72270343)
17 (10209136)
13 (10184045)
11 (10212761)
2 (76409259)
PCB Ass'y
9 (10234346)
15 (72270294)
14 (72240990)
1 (76409230)
12 (10212759)
4 (10195754)
9 (10234346)
5 (10212752)
8 (10212760)
3 (10135068)
Battery storage (CTL1025)
10 (10135066)
7 (10140782)
— 3 —
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