Checking Terminals And Components - Casio BG-540PP Operation, Service Manual & Parts List

3-2. CHECKING TERMINALS AND COMPONENTS : QW-2228
KI2
ELD
VDD
3 .PCB ass'y
OUT1
(7640 3930)
KI6
KI4
VDD KI5
KI3
Top view of P.C.B. ass'y
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7 .Cushion 506
(7211 9631)
Capacitor / Chip
C4
Capacitor / Chip
C1
KI8
N1 VDD
Capacitor /
C5
N2 VDD
Tantalum
N3 VDD
VDD
OUT2
N4 VDD
KI7 VDD
Capacitor /
C6
Chip
VDD
Resistor / Chip
R2
KI1
Diode
Di
Resistor / Chip
7 .Cushion 506
(7211 9631)
- 4 -
8 .Cushion 6
(7211 0064)
Transistor
Tr Xtal
Coil
LL2
VSS2
XT
L
VSS3 VDD
L
BD
VDD L
VSS2
KI8
VCH
VDD VCH
VDD
VSS2
VC1
VC2
OUT2
VDD
ELD OUT2
ELD
ELD
KI1
OUT1
OUT1
VC1 LD1
VDD
ELD
VSS2
CIL RT1 VSS2
CIL
ELD RT1
VDD RT2
R1 OUT1 N1
OUT2 N2
RT2 IN1
KI3
Coil
LL1
Inverter
INV
Resistor / Chip
RT
Bottom view of P.C.B. ass'y
5 .Oscillator / Crystal
(7110 6309)
Capacitor / Chip
C3
4 .Capacitor / Trimmer
CT
(7103 0458)
XTB
XT
VDD
AC
KI2
VSS2
KI4
LD3
VDD
VSS1
IN2 VSS2
Capacitor / Chip
C2
Capacitor / Chip
C8
Capacitor / Chip
C7