Drawings: Module Qw-4343; Checking Terminals And Components - Casio QW-4343 Service Manual

2. DRAWINGS: MODULE QW-4343

2-1. CHECKING TERMINALS AND COMPONENTS

Short pad for switching modules
KI5-GND: Open (No Soldering)
KI6-GND: Open (No Soldering)
KI7-GND: Open (No Soldering)
Short pad for R trimming
2. PCB ASS'Y
(76409259)
KI1
P2
VDD2
GND
FET-D
VDD2
KI3
O5
O1
GND
KI5
R2 KI7
GND VDD2
GND
KI4
GND GND
GND
R1 GND GND R3
KI6
LL1
LL1
LL1
Tr1 VDD2
GND
VDD2
Tr1
BD
SCIN SCIN GND
SCR
GND SCIN
GND
GND
GNDB
GND
XT
KI2
XT
VSC
VDD2
VSC
VSC
AC
GND
GND
O4
O1
O1
O3
O6
O1
VSC
VDD2
P1'
P3-1
P1' P1' P1' P1' P1' P1'
FET-S
FET-S' FET-S' FET-S'
FET-S'
GND
Vcc
GND P9
P4
KI8
Ccp GND
Ccp
P7
P7
P5
P5 P7
VCH
VC3
O1
GND
KC4
KC1 VC4
GND
VC3
VPM
VCH
O5
O6
GND
VHF
— 2 —
CUSHION 506
KI4
OSCILLATOR/CRYSTAL
LL1
O1
O2
XTB KI2
XT
TAPE/ADHESIVE 2306
P1'
KI1
P2'
P1
P2
P2' P2' P2'
P2'
KI3
RPM
RPM