Read Sharp AR-NB3 (serv.man5) Service Manual online
AR-NB3
CIRCUIT DIAGRAM
7 – 13
A
B
C
D
8765
4
3
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
8765
4
3
1
1
2
2
3
4
5
6
7
8
D
C
B
A
13/16
RESET/LED
<NMI>
<DEBUG LED>
<Manual Initialization>
<Manual RESET>
N
M
I
2,16
DBG_
L
E
D
1
2,16
DBG_
L
E
D
0
2,16
DBG_
L
E
D
3
2,16
DBG_
L
E
D
2
2,16
CGRESET
2,16
P
O
NRST
2
,7
,9
,1
0
,1
1
,1
5
WDRS
T
2,16
PIO_SW
2,16
INT2
2,16
RTCBU
S
O
E
_
8
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCC
VCC
VCCIO
VCCIO
VCC
VCC
D9
LT
1P67A
NOASM
IC24
P
S
T
598CN
1
2
3
4
5
M/R
SUB
GND
VOUT
VCC
IC25B
TC74LCX14
F
T
3
4
IC38C
TC74LCX14
F
T
5
6
R19
2
220
IC3C
TC74LCX1
4
F
T
5
6
IC38D
TC74LCX1
4
F
T
9
8
C17
3
0.1uF
R194
10
K
IC38E
TC74LCX1
4
F
T
11
10
R188
3
6
K
TP374
IC38F
TC74LCX14
F
T
13
12
SW1
SKHHLUA
0
1
0
1
2
1
2
TP700
R19
1
220
D8
LT
1P67A
NOASM
TP372
TP402
IC25A
TC74LCX1
4
F
T
1
2
C17
7
0.1uF
IC39
ELM7SH
1
4
1
2
5
4
3
NC
In
Vdd
Out
GND
TP
755
IC25E
TC74LCX14
F
T
11
10
TP
472
TP701
R186
0
NOASM
IC25D
TC74LCX1
4
F
T
9
8
C176
0.1uF
TP392
TP
760
R187
10K
D11
LT
1P67A
NOASM
D6
RB451
F
2
1
3
TP404
C17
5
0.47uF
C23
8
0.47uF
R284
0
NOASM
D10
LT
1P67A
NOASM
IC36C
TC74LCX08
F
T
9
10
8
R19
3
220
R19
5
220
C17
1
0.47uF
NO A
S
M
TP702
IC36D
TC74LCX08
F
T
12
13
11
C24
7
0.1uF
TP703
TP762
TP757
C24
0
0.47uF
IC3D
TC74LCX14
F
T
9
8
C226
0.1uF
TP758
IC36A
TC74LCX08
F
T
1
2
3
TP454
R189
10
K
C17
4
0.47uF
TP403
C202
0.1uF
TP391
TP759
SW3
S
K
H
UPBE010
NOASM
1
2
3
4
C23
7
0.47uF
NO A
S
M
IC36B
TC74LCX08
F
T
4
5
6
C23
4
0.1uF
R260
10K
C239
0.47uF
C225
0.47uF
IC25C
TC74LCX14
F
T
5
6
SW2
S
K
H
UPBE010
NOASM
1
2
3
4
TP373
TP
761
IC3B
TC74LCX14
F
T
3
4
IC38A
TC74LCX14
F
T
1
2
TP453
C17
0
0.1uF
IC38B
TC74LCX14
F
T
3
4
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