Circuit Diagram - Casio QW-2424 Service Manual & Parts List

3-2. CIRCUIT DIAGRAM

LC1 - - - - - LC5
T
AC
VDD
XTB
Xtal
CT
XT
N1
N2
N3
N4
LD1
LD2
LD3
VSS2
BAT
C5
1 3
LED1
2 4
R2
R3 R1
Tr4 Tr2 Tr3
LCD
L1 - - - - - - - L27
LSI
TOTAL 59PINS
BONDING 59PINS
VCH VSS1 VSS3
C4 C2 C3
LED2
4
— 4 —
VC1 VC2 BD
Tr1
C1
PZ
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.
1
KI6
1
KI7
1
KI8
KS 3
S1
KI1
S2
KI2
S3
KI3
S4
KI4
SA
2
KI5
L