Checking Terminals And Components - Casio QW-2812 Service Manual & Parts Manual

3-3. CHECKING TERMINALS AND COMPONENTS

Rxt2 Resistor/Chip
Cbat Capacitor/Chip
Cxt Capacitor/Chip
Xtal2 Oscillator/Crystal
ISB IC
P2
FET-D
GND
KI1
Vcc
P5
P4
P5
X2 X3
X2 X3
P9
Vcc
VDD2
Ccp
GND
Ccp
LL1
GND
P7 P7
VOUT
R1
L–
BD
R1
LL1
LL1
R1
VDD2
VDD2
GND
R3
GND
KI4
R2
GND
L+
R1
3. PCB ASS'Y
GND
GND
(7640 7379)
SCR
SCIN SCIN SCIN
GND
CLF2
GND
N2
N1
CLF1
GND
LL1
Tr1
Di2 Diode
RP2 Resistor/Chip
RP1 Resistor/Chip
Cp Capacitor/Chip
Cel Capacitor/Chip
LL2 Coil
INV Inverter
Top view of P.C.B. ass'y
Rcp Resistor/Chip
Rbat Resistor/Chip
Ccp Capacitor/Chip
R1 Resistor/Chip
CT Capacitor/Trimmer
VDD2
KI3
GND
VCH
GND
GND
VC3 VC4
GND
GND LL1 KI6
KI8 VC1 VC2
KI7
GND
GND
GND
VDSP
GND GNDB
VHF GND
KI2
VDD3 GND
XT
GND
VDD1
GND
VDD2 GND
VSC
VSC
XTB XT
VDD2 VSC
Coil
Transistor
Z Varistor
— 9 —
C5 Capacitor/Chip
C7 Capacitor/Chip
C3 Capacitor/Chip
C4 Capacitor/Chip
KI3
VCH
VC1
VDSP
KI9
KI2
KI3
AC
VSC
Rb Resistor/Chip
Xtal1 4. Oscillator/Crystal
Bottom view of P.C.B. ass'y
P2
P1
FET-S
KI1
P14
VDD2
SD0
KC1
R3
KI4
R2
VOUT
R1 GND
LD1
C6 Capacitor/Chip
C2 Capacitor/Chip
C1 Capacitor/Chip
C9 Capacitor/Chip
C8 Capacitor/Chip
Di1 Diode
(7110 6336)