Sharp XE-A302 - Tax Calculation; Optional Features; Auxiliary Entries

XE-A302U CIRCUIT DIAGRAM AND PWB LAYOUT
– 21 –
6,8pin: N.C
VCC +5V
IPEAK>2.2A VLED +5.8V
with F USE
VP +7. 5V
Q9:HEAT SINK
IC24:HEAT S INK
|LIN K |CPU.SCH |FROM.SCH |IO.S CH |MT53DRV.SCH |RS232. SCH
P-OFF
for SEEG,SCA ,SUK
SEC,SECL
+20% INPUT & NO LOAD: VOUT<=40V
VOUT=1.23X(1+R2/R1)
for Ni-MH Ba ttery
HEAT SINK
IPEAK>2. 2A VDRW:23.8V
L:OFF
<- CLOSE TO
REGURATOR
H,OPEN:ON
NOT USE
(JUMPER)
NOTE(3) : R133 CN9 CN13 Ni-MH Battery NU X O Dry Battery 100 O X
FOR Dry Battery
2B-XH-A-E(B LUE)
2B-XH-A-E(BLUE)
B2P-VH
|PRINTIF. SCH
+20% INPUT & NO LOAD: VOUT<=40V
for JAP AN
VDRW
/VOFF
/VPOFF
/POFF 1,3
/POFF1,3 VPON1,4
VBAT 1
/VON3
VLEDVCC
VDRW VO
VLED
VDRW
VCC VDD
VPVO
C108 0.02uF(M)
R121
22K
Q9 KTD998
1
32
Q10 KRC106S
B
EC
+
C101
47uF
/16V
+ -
IC25B
BA10393F
5 6
7
84
D10 1SS355
AK
F4
UL,CSA T3.15AL/125V , (S) T3.15A/250V
(WITH HOLD ER)
R144 10K
IC23
LM2574HVN
1
57
3
4
2
D9 1SS355
AK
L1
63uH Chock
CN13
Ni-MH BAT CN
1 2
+
C100
330uF
/16V
C109
0.1uF
D14
RB060L40
AK
ZD2 PTZ6.2A
AK
R124 0
R137
9.1KF
TP2 VBAT2
1
R133
(100)
CN9 Mn BAT CN
1 2
D7
FMB-G24H
AK
R141
10K
PS CN
1 2
R143 560
+ -
IC25A
BA10393F
3 2
1
84
R119 18.0KF
Q12
KRC106S
B
EC
ZD4
UDZ5.1B
AK
D13 RB551-30
AK
R134
1KF
R127
3KF
Q11 KRA106S
B
EC
R136 3.9K
CN8
PS CN
1 2
TP1 VO
1
R132
(220)
R122 (5.6K)
L2
180uH Ch ock
POWER TRANS3 100V 50 Hz/60Hz
F5 T2.0A/250V
R142
6.2KF
D12
1SR159-200
AK
R118 10(FUSE R)
R120 3.3KF
R1 39
56K
ZD3 UDZ5.1B
AK
R1 29 0
+
C102 220uF/50V
R125
2.2K
D8 1SS355
AK
+
C97
100uF/50V
R130 0
IC24
PQ1CG2032FZ
1
4
2 5
3
+
C95
4700uF/50V
POWER TRA NS1,2 V4/V7=220V-230V; V6=230-240 V U/A=120V
F6 T1.0A/250V
J1
12
ZD5 UDZ4.3B
AK
R145
51
+
C104
(1uF/50V)
+
C96
4700uF/16V
C94
MYLOR 0.033uF
+
C107
1000uF/35V
R140 10KF
+
C99
1000uF
/16V
R131
150
R135
(3.3M)
R138 2.7K
SW1 SW DPS T
D11
1SR159-200
AK
L3
220uH
C103
0.1uF
PS CN
1 2
R146
33
D15
RB060L40
AK
IC26
PQ1CG2032FZ
1
4
2 5
3
C98
0.1uF
R126
180
R128
22K
R123 24K
C105
1000pF
ZD1
PTZ9.1B
AK
+
C106 220uF/50V
-+
BD1 CP301
4
1
2
3
A B
C D
87654
3
21
12345678
D C
B A A
B
C D
87654
3
21
12345678
D C
B A A
B
C D
87654
3
21
12345678
D C
B A A
B
C D
87654
3
21
12345678
D C
B A
5/7POWER SUPPLY