Casio WVA-400D, Service Manual And Parts List, Page: 15 / 22

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3-4. N1, N2, R1 ~ R3 PADS
Never solder or desolder these pads, because they have been selected best in the production line.
A new PCB ass'y as a spare parts will be supplied with factory adjustment of these pads.
GND
LED2
GND
2
D
K14 K14
R
D
GND S
GND
D D
S G
KI8 GND KI6 GND VCH
SDO
GND
VDSP
GND
G
GND
K11
VDD2
VSC
GND
VSC
VDD2
GND
GND
N1
N2
GND
SCIN
VSC
GND
GND
14 16
LED2
R2
Rcp
Rcp
9
GND
R1
GND
3
VDD2
R3
SCIN
GND
VHF
GND
VDD3
L1
L2
GND
13 12
GND KI7
VDD1
GND
XTB XT
GND
VDD2
KI3 KI3
VDD2
LED1
KI2
GND
VDD2
LED3
GND
GNDB
SCR
SCIN
GND
2
KI2
LED1
R
LED3
R
AC
R4 VPM
L3
L2
L1
VDD2
VDD2
G
K14 LD1
R
VSC
R4
R
LD1 GND
KC2 GND
LL1
LL1
GND
R5 BD
R5
R5
LL1
VDD2
VDD2
GND
XT
VC1
VC2
VC4
GND
VC3
7
VC1
GND
KI9
KI9
VDSP
4
Xtal2
K11
Xtal2
GND
KI5
KI5 GND
VCH
S
1
S
1
GND
7
S
S
1 1
2 2
1
2
1
1
2
16 16
1
2
7
5
4
Xtal3
Xtal3
2
1
S
9
KC3
KI9
12 13 14
KC4
16
1 2 3 4 5 GND 7 8
LL1 GND
GND
3
Capacitor/Chip Cbat
Capacitor/Chip Cxt
Transistor Tr3
Transistor Tr1
Transistor FET
Transistor Rcp
Transistor Rbat
Transistor Tr2
Diode Di2
LED3
Diode Di1
Resistor/Chip RPM Resistor/Chip RP2
Resistor/
Chip RP1
Coil LL1
3. PCB ASS'Y
(7640 6222)
4. Capacitor/Trimmer
(1001 0950)
Xtal 5. Oscillator/
Crystal
(7110 0715)
Xtal3 Oscillator/Crystal
Xtal2 Oscillator/Crystal
6. Sensor/Tilt (7105 5275)
Resistor/Chip Rxt3
Resistor/
Chip Rxt2
Varistor Z
Resistor/Chip Rd
Resistor/Chip Rb
Resistor/Chip R2
Resistor/Chip Rb
Resistor/Chip R3
Resistor/
Chip R1
Resistor/Chip R4
Detection IC IC
Capacitor/Chip C9
Capacitor/
Chip C4
Capacitor/Chip C7
Capacitor/Chip Creg
Capacitor/Chip Cagc
Capacitor/Chip Ccp9
Capacitor/Chip Cf13
Capacitor/Chip Cf12
Capacitor/Chip C5
Capacitor/Chip C6
Capacitor/Chip C2
Capacitor/Chip C8
Capacitor/Chip C1
Capacitor/Chip
C3
Capacitor/Chip Cp
Capacitor/Chip Cc
CT
Top view of P.C.B. ass'y Bottom view of P.C.B. ass'y
MODULE QW-2730