Read Sharp AR-NB2A (serv.man2) Service Manual online
AR-NB2A ELECTRICAL SECTION 7 - 8
IC35A
S
N
74AHCT125P
W
R
23
1
E
N
1
R226
10K
TP424
R227
10K
C223
0.1
uF
TP666
TP419
C224
0.1
uF
R221
10K
R228
10K
C244
10
pF
R229
10K
IC35B
S
N
74AHCT125P
W
R
56
4
E
N
1
C88
0.1
uF
TP421
R122
3.3K
TP663
TP563
R283
0
IC32C
S
N
74L
V
C125AP
W
98
10
E
N
1
BT1
HL32-V1
IC18
N
J
U6356EM
I/O-
1
D
ATA
7
CLK
6
CE
5
XT
2
XT
-
3
VDD
8
VSS
4
C86
0.1
uF
D1
RB751V
-40
T
E-17
TP423
R305
10K
Q
2
2SC41
16
C
B
E
Q
1
2SA1586
C
B
E
TP550
Y1
DT
-38
32.768KHz
IC32D
S
N
74L
V
C125AP
W
12
1
1
13
E
N
1
R123
10K
C87
10
uF
IC32B
S
N
74L
V
C125AP
W
56
4
E
N
1
R124
10K
IC32A
S
N
74L
VC125AP
W
2
3
1
E
N
1
R306
10K
TP664
R125
2.2K
R307
10K
R121
10
R308
10K
IC25
F
TC74LCX14
F
T
13
12
C243
10
pF
C85
0
.1
uF
TP420
IC17
CA
T24
F
C256XI
SDA
5
A2
3
SCL
6
A0
1
VCC
8
GN
D
4
A1
2
W
P
7
TP665
TP551
TP562
IC35C
S
N
74AHCT125P
W
R
98
10
E
N
1
IC35D
S
N
74AHCT125P
W
R
12
1
1
13
E
N
1
TP422
VCCIO
VCC
VCCIO
VCCIO
VCC
VCC
EEP
_
SDA
2
,16
EEP
_
SCK
2
,16
R
TCDA
T
A
2
,16
R
TCR/
W
2
,16
R
TCCS
2
,16
R
TCCLK
2
,16
R
TCBUSOE
_
13
<
Serial
EEPROM
>
<
RTC
>
BATTER
Y
ON
<->
OFF
N
OA
S
M
MAI
N
P
W
B
(Serial_EEPROM/RTC)
5
5
4
4
3
3
21
21
D
D
C
C
B
B
A
A
8/16
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