Checking Terminals And Components - Casio QW-2609 Service Manual & Parts List

3-3. CHECKING TERMINALS AND COMPONENTS

Capacitor/Chip
Creg
Rp2 Resistor/Chip
Resistor/Chip
Rant2
Rp1 Resistor/Chip
Cp Capacitor/Chip
S
GND
16
KI1
D S
2
16
S
2
GND
D KC2
GND D
GND R3
D
GND R2
GND R1
3.PCB ASS'Y
SCR SCIN
QW2609/2639
GND SCIN
(7640 5852)
GND SCIN
QW2637
GND VSC
(7640 5966)
GND N2
QW2638
GND N1
(7640 5962)
KI4 GND GNDB
ELD
GND
VSC VDD2
Diode
Di2
Rb Resistor/Chip
C9 Capacitor/Chip
C2
C1 Capacitor/Chip
C3 Capacitor/Chip
Top view of P.C.B. ass'y
Rxt2 Resistor/Chip
C7 Capacitor/Chip
C4 Capacitor/
Chip
C6 Capacitor/
Chip
C5 Capacitor/
Chip
KI8 GND
Xtal3 4
KI5
KI7 GND
Xtal2 4
KI6 KC1
KI6 KC3
VC1
VC3 VC4
VDSP GND
VC2
VHF GND
VDD3 GND
VDD1 GND
KI3
VDD2
VSC GND
Tr1
Di2 Diode
R1 Resistor/Chip
Capacitor/Chip
— 19 —
6. Sensor/Tilt (7105 5275)
12. Cushion/6 (7211 0064)
5. Oscillator/Crystal (7110 6323)
Xtal2
Rcp Resistor/Chip
Ccp9 Capacitor/Chip
Cxt
KI5
KI8
Xtal3 7 7 Xtal2
VCH
VCH
VC1
GND
VDSP
GND
GND
XT XTB
BD
AC
BD
R1
KI3 VDD2 R1
GND
VDD2 R1
LL1
LL1
LL1
Transistor
LL2
Cf13 Capacitor/Chip
Cf12 Capacitor/Chip
Resistor/Chip
Rpd
11. Cushion/506 (7211 9631)
Coil
LL1
Z Varistor
Bottom view of P.C.B. ass'y
Capacitor/Chip
Cagc Capacitor/Chip
Cbat Capacitor/Chip
Rbat Resistor/
Chip
IC
1
5
2 S
7
9
GND
GND
KC4
KI1
14
R6
KI9 12 13 3 1
14
R6
16
3
KI9
GND GND GND
KI1
KC2 GND GND
VDD2
GND VDD2
VSC LD1
KI4
RT1
RT2
VDD2
ELD
KI2
INV Inverter
C8 Capacitor/
Chip
Rel Resistor/Chip
11. Cushion/506
(7211 9631)
Coil