Casio QW-2424 - Circuit Diagram

— 4 —
3-2. CIRCUIT DIAGRAM
✽ 1. Short (Soldering)
KI6: Open
KI7: Open
KI8: Open
✽ 2. SA is not used in this module.
✽ 3. Inclination switch
No mounted in this module.
✽ 4. No mounted in this module.
LSI
TOTAL 59PINS
BONDING 59PINS
VSS2
BAT
KI7
KI5
KI6
KI1
KI2
KI3
VCH VSS3 VC1 VC2
C1
C3C4
XTB
N2
Xtal
LC1 - - - - - LC5
LCD
LD2
N1
S1
KI8
KI4
S2
SA
VSS1
C2
BD
C5
PZ
L
Tr1
N3
XT
N4
VDD
AC
T
L1 - - - - - - - L27
S3
S4
✽1
LD1
LD3
CT
LED1
R2
R1
R3
Tr4
Tr2
Tr3
✽1
✽1
✽2
1
24
3
KS
✽3
LED2
✽4