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