Casio QW-2140 User Manual

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Top view of P.C.B. ass'y
Bottom view of P.C.B. ass'y
3-2. CHECKING TERMINALS AND COMPONENT
GND
VC4
GND GND
VDD1
GND
VC3
VDD3
GND
VHF
VDSP
VOSC
KI7KI5 KI8
GND
GND
KI6
GND
GND
GND
VCH
KI3
KI2
KC6
EMP
KI4
KI1
ELD
2
1
7
8
7
8
9
GND
GND
7
R6
R6
R6
R6
R9
R9
R8
R8
VC1
VC2
VDD2
GND
R6
8
GND
GND
VDD2
AC
12
LD1
VCH
KI8
KI7
ELD
KI3
KI1
KI2
VDD2
KC2
ELD
L
VC1
KI9
1
KI8 15
6
11
14 L1
7
4
KI6
12
5
GND
8
9
KI7
10
1
2
5
6
11
10
GND
12
12
L2
VDD2
CIL
KC1
CIL
VCPE
VDD2
LD1
RT1
RT2
GND
GND
CIL
GND
ELD
RT1
RT2
VCPE
GND
GND
L
BD1
VDD2
L
GND
L
1
VDD2
1
GND
4
GND
KI4
15
14
KI5
KI5
KI6
GND
XT
XT
XTB
GND
VDD2
VOSC
GND
GND
GND
GND
VDD2
KC5
EMP
KI9
Resistor/
Chip
R7
Capacitor/Chip
C5
Capacitor/Chip
C1
Resistor/
Chip
R2
Resistor/Chip
R5
Diode
Di
Detection IC
IC
Resistor/Chip
R4
4. Capacitor/Trimmer
(7103 0458)
CT
Capacitor/Tantalum
C9
Capacitor/
Tantalum
C8
Capacitor/Chip
C6
Capacitor/
Chip
C4
Capacitor/Chip
C7
Capacitor/Chip
C3
Capacitor/Chip
C2
Varistor
Capacitor/
Tantalum
C10
Resistor/
Chip
Rel
Capacitor/Chip
C14
Capacitor/Chip
C13
Capacitor/Chip
C12
Capacitor/Chip
C11
Capacitor/Chip
C15
Capacitor/Chip
C16
Capacitor/
Chip
C21
Inverter
INV
5. Oscillator/Crystal
(1003 0868)
Xtal1
Oscillator/Crystal
Xtal2
Oscillator/
Crystal
Xtal3
Transistor
Tr1
Coil
LL1
Coil
LL2
Capacitor/Chip
Cel
Capacitor/
Chip
C20
3.PCB ASS'Y
(7640 3837)
Z

Casio QW-2140 Specifications

General

Brand	Casio
Model	QW-2140
Category	Watch
Language	English