Read Sharp AR-M256 (serv.man12) Service Manual online
AR-M318/317FP CIRCUIT DIAGRAM / 回路図 3 - 91
7. PCL PWB
EEP
_
SDA
EEP
_
SCK
+
3.3V
+
3.3V
+
3.3V
+
3.3V
+
3.3V
+
3.3V
+
3.3V
+
3.3V
+
3.3V
PONRST
_
4,7,9,11,12
DBG
_
LED0
13
DBG
_
LED1
13
DBG
_
LED2
13
DBG
_
LED3
13
DI
MM
_
SCK
5
DI
MM
_
SDA
5
1284I
NT
_
12
USBI
NT
_
12
P
C
IIN
T
B
_
4
P
C
IIN
T
A
_
4,11
EREA
DY
_
8
USB
_
JNC
9
MA
NUA
LRST
12
PRI
N
T
W
U
_
8
PSST
S
8
VC
C
W
C
T
L
7
GA
JT
DI
12
JT
MS
12
JT
CK
12
JT
RST
_
12
GA
JT
DO
12
CPUJRST
_
CPUJRST
_
CGRESET
_
12
T
R
ESET
_
T
R
ESET
_
ERESET
IN
_
8
25MHz
11
ERST
MON
_
ERST
MON
_
PWOFF
_
8
TX
D
1
6
TX
D
0
8
RT
S0
_
8
RX
D0
8
CT
S0
_
8
RX
D1
6
PONRST
_
4,7,9,11,1
2
USB
_
JNC
9
25MHz
HA
LT
DOZE
<
E
J
TA
G
P
A
T
TE
R
N
L
E
NG
TH
=
<
100m
m
>
<
E
_
JTAG
C
ONNECTOR
>
<
S
e
ri
a
l
E
E
P
R
O
M
>
<
JTAG
CONNECTOR
>
<
J
T
A
G
>
<
JTAGPAD
for
ICT
>
X1
SG-710ECK
25MHz
X1
SG-710ECK
25MHz
CON
T
1
GN
D
2
OU
T
3
VDD
4
TP
8
2
3
IC
T
_
TR
S
T
TP
8
2
3
IC
T
_
TR
S
T
1
T
P
506
T
T
P
506
L14
BLM18BB121SN1
L14
BLM18BB121SN1
T
P
136
T
T
P
136
T
P
462
T
T
P
462
R34
1K
R34
1K
R21
3
3
R21
3
3
T
P
502
T
T
P
502
IC
4
B
74LCX
1
4
IC
4
B
74LCX
1
4
3
4
R30
10K
R30
10K
T
P
668
T
T
P
668
TP
1
0
6
TP
1
0
6
TP
A
D
3
TP
A
D
3
1
T
P
231
T
T
P
231
T
P
721
T
T
P
721
C1
0.1uF
C1
0.1uF
R4
1K
R4
1K
T
P
232
T
T
P
232
TP
A
D
1
0
TP
A
D
1
0
1
R10
3
3
R10
3
3
T
P
779
T
T
P
779
R22
3
3
R22
3
3
R255
0
R255
0
R5
1K
R5
1K
T
X
4927
&
37
1/5
IC
1
A
T
M
PR4927/4937
T
X
4927
&
37
1/5
IC
1
A
T
M
PR4927/4937
TDI/
DIN
T
C11
TCK
B11
TM
S
C12
TRST
E16
RESET
K1
TPCO/
T
DO
B13
DCLK
B12
PCST0
A17
PCST1
C16
PCST2
B16
PCST3
A16
PCST4
C15
PCST5
B15
PCST6
E14
PCST7
C14
PCST8
B14
TPC1
E13
TPC2
D13
TPC3
C13
TEST0
K2
TEST1
L5
TEST2
L4
TEST3
L3
TEST4
L2
H
A
LTDOZE
K3
BY
PASSPLL
D5
CGRESET
P23
M
A
STERCLK
R26
SDIN
1
E6
TCLK
E1
W
DRST
M2
TIM
E
R0
E2
TIM
E
R1
E3
NMI
F4
CTS0
H3
CTS1
J4
IN
T0
F3
IN
T1
F2
IN
T2
F1
IN
T3
G3
IN
T4
G2
IN
T5
G1
RTS0
H2
RTS1
J3
RXD0
G4
RXD1
J5
TXD0
H1
TXD1
J2
SCLK
J1
PIO0
A2
PIO1
A1
BITCLK/
P
IO2
B2
SDIN
0/
PIO3
B1
SDOU
T/
PIO4
C2
PIO5
C1
PIO6
D3
PIO7
D1
CB0/
PIO8
AD3
CB1/
PIO9
AF3
CB2/
PIO10
AC20
CB3/
PIO11
AB21
CB4/
PIO12
AE3
CB5/
PIO13
AE4
CB6/
PIO14
AE20
CB7/
PIO15
AD21
T
P
511
T
T
P
511
R9
33
R9
33
TP
A
D
1
TP
A
D
1
1
R26
10K
R26
10K
R3
1K
R3
1K
T
P
507
T
T
P
507
T
P
553
T
T
P
553
T
P
667
T
T
P
667
R7
10K
NOASM
R7
10K
NOASM
R58
3
3
NO
A
S
M
R58
3
3
NO
A
S
M
TP
5
9
0
TP
5
9
0
R37
1K
R37
1K
R23
3
3
R23
3
3
T
P
503
T
T
P
503
T
P
572
T
T
P
572
R15
3
3
R15
3
3
R28
8.2K
R28
8.2K
TP
A
D
7
TP
A
D
7
1
TP
A
D
4
TP
A
D
4
1
JP1
T2
B
-S
Q
NO
A
S
M
JP1
T2
B
-S
Q
NO
A
S
M
1
2
R19
10K
R19
10K
R32
1K
R32
1K
R27
8.2K
R27
8.2K
R25
3
3
R25
3
3
R8
10K
NO
A
S
M
R8
10K
R18
1K
R18
1K
R20
3
3
R20
3
3
R39
1
0K
R39
1
0K
TP
A
D
5
TP
A
D
5
1
R260
33
R260
33
TP
A
D
1
4
TP
A
D
1
4
1
R257
0
R257
0
R2
1K
R2
1K
T
P
508
T
T
P
508
R36
1K
R36
1K
T
P
778
T
T
P
778
TP
8
1
9
IC
T
_
TD
I
TP
8
1
9
IC
T
_
TD
I
1
T
P
504
T
T
P
504
CN1
FT
SH-120-01-L-D
NO
A
S
M
CN1
FT
SH-120-01-L-D
NO
A
S
M
TRST
_
1
Reser
v
ed
11
RESET
_
13
PCST0
15
PCST1
17
PCST2
19
PCST3
21
PCST4
23
DCLK
25
PCST5
27
PCST6
29
PCST7
31
PCST8
33
TPC1
35
TPC2
37
TPC3
39
TVDD
2
GN
D
4
GN
D
6
GN
D
8
GN
D
10
TRESET
_
12
GN
D
14
GN
D
16
GN
D
18
GN
D
20
GN
D
22
GN
D
24
GN
D
26
GN
D
28
GN
D
30
GN
D
32
GN
D
34
GN
D
36
GN
D
38
GN
D
40
TDI/
DIN
T
3
TDO
5
TM
S
7
TCK
9
TP
4
6
7
TP
4
6
7
R254
0
NOASM
R254
0
NOASM
T
P
777
T
T
P
777
TP
A
D
6
TP
A
D
6
1
R262
33
R262
33
R33
0
NO
A
S
M
R33
0
NO
A
S
M
R261
33
R261
33
R6
1K
R6
1K
R13
3
3
R13
3
3
T
P
500
T
T
P
500
TP
8
2
0
IC
T
_
TD
O
TP
8
2
0
IC
T
_
TD
O
1
T
P
481
T
T
P
481
T
P
138
T
T
P
138
R38
1
0K
R38
1
0K
T
P
230
T
T
P
230
R17
10K
R17
10K
T
P
499
T
T
P
499
CN2
RF-H102T
D-1130
NO
A
S
M
CN2
RF-H102T
D-1130
NO
A
S
M
TCK
1
GN
D
2
TDO
3
VCC
4
TM
S
5
NC
6
TRST
7
NC
8
TDI
9
GN
D
10
R1
1K
NOASM
R1
1K
NOASM
T
P
509
T
T
P
509
R12
0
NOASM
R12
0
NOASM
T
P
593
T
T
P
593
TP
5
9
1
TP
5
9
1
R35
1K
R35
1K
RN1
33x
4
RN1
33x
4
2
1
3
7
4
8
6
5
TP
A
D
1
3
TP
A
D
1
3
1
R24
22
R24
22
TP
8
2
1
IC
T
_
TM
S
TP
8
2
1
IC
T
_
TM
S
1
T
P
505
T
T
P
505
IC
2
A
74LCX
0
8MT
C
IC
2
A
74LCX
0
8MT
C
1
2
3
R11
0
NOASM
R11
0
NOASM
R16
3
3
R16
3
3
IC
4
A
74LCX
1
4
IC
4
A
74LCX
1
4
1
2
TP
A
D
8
TP
A
D
8
1
T
P
723
T
T
P
723
C2
0.1uF
C2
0.1uF
R29
10K
R29
10K
T
P
700
T
T
P
700
T
P
780
T
T
P
780
T
P
501
T
T
P
501
TP
8
2
2
IC
T
_
TC
K
TP
8
2
2
IC
T
_
TC
K
1
R291
10K
R291
10K
T
P
587
T
T
P
587
TP
A
D
2
TP
A
D
2
1
R256
0
R256
0
R14
3
3
R14
3
3
T
P
724
T
T
P
724
IC
3
CA
T
2
4WC256KI
-T
E13
IC
3
CA
T
2
4WC256KI
-T
E13
SDA
5
A2
3
SCL
6
A0
1
VCC
8
GN
D
4
A1
2
WP
7
RN2
33x
4
RN2
33x
4
2
1
3
7
4
8
6
5
R31
10K
R31
10K
T
P
510
T
T
P
510
T
P
776
T
T
P
776
TP
7
6
7
TP
7
6
7
TP
A
D
9
TP
A
D
9
1
R258
33
R258
33
TP
A
D
1
5
TP
A
D
1
5
1
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
P
C
L
PWB
(E
JT
A
G/P
IO)
1/1
2
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