Casio QW-2387 User Manual

— 5 —
3-2. CIRCUIT DIAGRAM
LSI
TOTAL 68PINS
BONDING 51PINS
VSS2
BAT
KI7
KI5
KI6
KI1
KI2
KI3
VCH VSS3 VC1 VC2
C1
C3C4
XTB
N2
Xtal
LC1 - - - - LC5
CT
LCD
LD2
N1
S1
KI8
KI4
S3
VSS1
C2
BD
C5
PZ
LL1
Tr1
N3
XT
+
N4
VDD
AC
T1
L12 - - - L27,
S4
LD1
LD3
O1
O2
An.B
✽1
✽2
Open (No Soldering)
Terminal L
No bonding
Short (Soldering)
Not used
✽1
✽2
✽3
✽4
✽5
L1 - - L11 28 - - 31
✽3
LD4
VPM
T2
✽3
S2
✽4
✽5
✽5
Tr2
R1 R2 R3
LED1
LED2
✽3

Casio QW-2387 Specifications

General

Brand	Casio
Model	QW-2387
Category	Watch
Language	English