Checking Terminals And Components - Casio QW-3390 Service Manual & Parts List

3-3. CHECKING TERMINALS AND COMPONENTS

VOUT
LED1
KI3
KI2
OSCILLATOR/CRYSTAL
(7110 6336)
CUSHION 466-A
(7211 9576)
TAPE/ADHESIVE
(1000 6652)
COIL
LEDOUT COIL
GND GND
GND VOUT
GND GND
COIL
LD1 VDD2
CE2
CE1
LEDOUT
VOUT
CE1 CE2 GND VOUT
LED1
P7 P5 P5 X3 P4 X2
VDD2
KI1 P7 X3
VOUT OP
P7 X2
VDD2
OP
GND
VDD2
SCIN GND
SCIN GND
VSC
SCR
VSC SCIN
VSC
KI4
GND LD1
16. PCB ASS'Y
LEDOUT
(7640 7974)
LEDOUT LED3
LED3
OP
GND
KI8 GND
FET-S
FET-D
KI8
VDD2
VC1 VC2
L1
P2
VDSP
VC1
VDSP
GND
GND
KI3
GND
VCH
VDD1
GND
VHF
KI2
KI7 GND
KI6 GND
AC
XT
KI5 GND
XTB
XT
GND
CAPACITOR/TRIMMER
(1009 7666)
CUSHION 506
(7211 9631)
LED2
LEDOUT
GND KI8
GND VDD3
VC4 VC3
L2
L1
GND
P12 P13 P14
P1
P2
VCC GND
KI9
VCC VDD2
GND
GND
VDD2
VSC
GND R3
GND
GND R2
GND
R1
GND N2
GND
GND N1
LL1
LL1
LL1
BD TR1
TR1
LL1
VDD2
VDD2 TR1
Short pad for switching modules
— 10 —
KI3
LED2
VOUT
KI2
KI1
P9
KI1
Short pad for R trimming
Ccp
Ccp
GND
KI4
KI4
CUSHION 506
(7211 9631)
Short pad for N trimming