Drawings; Block Diagram - Casio BGR-250V Operation, Service Manual & Parts List

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3. DRAWINGS : QW-2516

3-1. BLOCK DIAGRAM

K4
K3
K5
Y6
Y5
Y4
Y3
Y2
Y1
Y0
X0
K0
K2
K1
AM
a9
a8
PM
g9
g8
COL
d9
d8
hi3
h2
a3
a2
g3
g2
HYP
d3
d2
LC1 - - - - LC5
L1 - - - L7
BD2
1
T1
AC
VDD
XTB
Xtal
CT
XT
N1
N2
N3
N4
LD
VSS2
VCH
C5
BAT
C4
+
PF
SF
+
PE
SE
R
C7
Tns1
TB
Tr2
TE
Tr3
All manuals and user guides at all-guides.com
DAYS
X16
a5
a7
a6
g5
g7
g6
d5
d7
d6
a1
a0
g1
g0
ALM
d1
d0
LCD
L8 - - - L48
1
L49 - - - L52
LSI
TOTAL 87PINS
BONDING 80PINS
VSS1
VSS3 VC
VCC
BD1
C2
C3
C1
PZ
1. No bonding.
BACK
EL
FRONT
C6
- 4 -
COM.
LC1
SEG.
L 8
X0Y3
L 9
X1Y3
L 10
X2Y3
L 11
X3Y3
L 12
X4Y3
L 13
X5Y3
DST
L 14
X6Y3
X7Y3
L 15
L 16
X8Y3
L 17
X9Y3
X10Y3
L 18
L 19
X11Y3
L 20
X12Y3
L 21
X13Y3
L 22
X14Y3
a4
L 23
X15Y3
L 24
X16Y3
g4
L 25
X16Y1
L 26
X15Y1
L 27
X14Y1
d4
L 28
X13Y1
L 29
X12Y1
L 30
X11Y1
L 31
X10Y1
L 32
X9Y1
L 33
X8Y1
SIG
L 34
X7Y1
L 35
X6Y1
L 36
L 37
L 38
L 39
L 40
HYP
L 41
L 42
L 43
X5Y1
L 44
X4Y1
L 45
X3Y1
L 46
X2Y1
L 47
X1Y1
L 48
X0Y1
1
KC1
KC2
KC3
1
KC4
KI7
KI6
KI5
SA
KI8
S4
KI4
S3
KI3
S2
KI2
S1
KI1
Tr
LL1
V
LC2
LC3
LC4
LC5
X0Y4
X0Y5
PM
X0Y2
X1Y4
X1Y5
X1Y2
X2Y4
X2Y5
X2Y2
X3Y4
X3Y5
X3Y2
X4Y4
X4Y5
X4Y6
K3
X5Y4
X5Y5
X5Y6
X5Y2
X6Y4
X6Y5
X6Y6
X6Y2
X7Y4
X7Y5
X7Y2
X7Y6
X8Y4
X8Y5
X8Y6
K4
X9Y4
X9Y5
X9Y6
X9Y2
X10Y5
X10Y2
X10Y4
X10Y6
X11Y4
X11Y5
X11Y6
K5
X12Y4
X12Y5
X12Y6
X12Y2
X13Y4
X13Y5
X13Y2
X14Y4
X14Y5
X14Y2
X15Y4
X15Y5
X15Y2
X16Y4
X16Y5
X16Y2
b4
c4
a4
g4
d4
f4
c4
SIG
ALM
DST
b5
c5
DAYS
X12Y0
a5
g5
d5
X11Y0
f5
e5
X11Y2
X10Y0
K2
b6
c6
X9Y0
a6
g6
d6
X8Y0
f6
e6
X8Y2
X7Y0
K1
b7
c7
X6Y0
a7
g7
d7
b0
c0
a3
g3
a0
g0
d0
b3
c3
d3
f0
e0
h2
g2
c2
b1
c1
a2
a1
g1
d1
b2
e2
d2
f1
e1
f2
hi3
e3
f3
X5Y0
K0
f7
e7
X4Y0
COL
c8
X4Y2
b8
g8
d8
a8
f8
e8
c9
b9
g9
d9
AM
a9
f9
e9

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