Sharp AR-FX13 Service Manual ▷ View online
AR-FX13 CIRCUIT DIAGRAM 7 - 1
[7] CIRCUIT DIAGRAM
1. FAX MAIN PWB (North America)
+3.3V
DAA3.
3
V
DAAG
N
D
DAAG
N
D
DAAG
N
D
DAA3.
3
V
GN
D
DAA3.
3
V
DAA3.
3
V
DAAG
N
D
+24V
GN
D
GN
D
GN
D
DAAG
N
D
DAAG
N
D
GN
D
ABI
T
CL
K
ASPCL
K
ARXD
ATXD
AFERS
T
_
L
SPOUT
MCLOC
K
RGDT-
CI
D
_
L
EXHKD_L
S
L1
L2
C10
B
0
.1
u
F
/1
6
V
(1608)
VA1
DSS401M(
N
,M
.)
ZD
5
HZS2A1
SA3
DS
S-401M
C14
B
1
u
F
/1
6V(2125)
C1001
B0.1uF/
16
V(1
60
8)
R1016
5.36kF
1/4W(3
22
6)
TPGN
D
0
R
(N.
M.
)
R1005
5
.3
6
K
F
1
/4
W
(3226)
TP8
C7
2200pF(K
H)
TP15
R8
10K
PC1B
PC817X
4
3
TP24
R1006
5
.3
6
K
F
1
/4
W
(3226)
R1004
120K(1608)
C11
150pF/
AC250V(
7
.5
mm
)
IC
1
Si
3015
-F
S
QE2
1
DCT
2
IGND
3
C1B
4
RNG1
5
RNG2
6
QB
7
QE
8
VREG
9
REF
11
REXT2
12
REXT
13
RX
14
FILT
15
FILT2
16
VREG2
10
SA1
DS
S-401M
TP4
R4
21
5F(1608)
R44
30
1/
4
W
TP17
FB1
BLM31A601S
C3
B
0
.2
2
u
F
/1
0V(1608)
C13
B
0
.0
2
2
u
F
/250V(2125)
C12
(3216)
N.
M
.
FL1
ST110AV
D7
1SS355
C15
B
0
.2
2
u
F
/1
6V(1608)
R1012
5
6
k
(2125)
R1008
150(1608)
R3
10(2125)
TP317
R43
9
11
/4
W
TP13
C1007
B39
00
pF/16V(1608)
R1002
402F
(1
60
8)
R1015
5.36kF
1/4W(3
22
6)
R4
2
1.78kF
2W(N.M.)
R1
2
10
0k
F(1608)
H1
C61
B1000pF
TP23
R1017
0R
(1
60
8
)
C1006
B39
00
pF/16V(1608)
L6
SBT-0260
SA2
DS
S-401M
R1
5
10M(1608)
TP3
D2
DA
N2
17
A
AK
K
C1005
B
0
.1
u
F
/5
0
V(2125)
TP31
TP16
C34
0
.4
7
u
F
/250V
C6
2200pF(K
H)
D1
DA
N217
A
AK
K
C4
1
0
p
F
/5
0V(1608)
C1002
B0.68uF/16V(2125)
Q1001
2
S
C
4
548(E)
B
E
C
TP27
9
Q2
2
S
D
1733
1
3
4
R1000
9.3
1k
F(1608)
FB2
BLM31A601S
C1004
B0.01uF/50V(1608)
ZD
3
MTZJ30B
PC2A
TLP620
1
2
L1
TWKA-221KNP
IC
3
Si
3021
-F
S
MCLK
1
FSYNC
2
SCLK
3
VD
4
SDO
5
SDI
6
FC/RGDT
7
RESET
8
AOUT
9
M1
10
C1A
11
GND
12
VA
13
M0
14
RGDT/FSD
15
OFHK
16
R85
10K
R2
10(2125)
R1010
5.36kF
1/4W(3
22
6)
TP21
C1
00
3
B1
80
0pF/50V(1608)
Q3
DTC123
J
K
A
B
E
C
L2
TWKA-221KNP
C63
B1000pF
TP1
ZD1
RL
Z5
.6
R1013
0R(1608
N.M.)
R1014
0R(1608
N.M.)
R1007
5
.3
6
K
F
1
/4
W
(3226)
MJ2
MJ-
62J-
R
D315/
M
J-
66J-
R
D
3
1
5
BT1
1
LT1
2
TEL1
3
TEL2
4
LT2
5
BT2
6
TP27
D1000
1SS355
R41
10k
1
W
TP26
R11
0
R
(1
608)
RY
1B
O
U
AZ-
S
H-
124DZ
+
5
-
4
R1001
78.7F(1
60
8)
L3
SBT-0260
ZD
1001
RD
43
FM
L4
SBT-0260
R1011
5
6
k
(2125)
TP18
Q1
2
S
C
4
548(E)
B
E
C
C1
6
B0.01uF/250V(21
25
N.M
.)
C1008
B560pF
/250V(2125)
RY
1A
O
U
AZ-SH-124DZ
1
2
3
Q1000
2SA175
9
B
E
C
D6
S
1
Z
B60
1
2
3
4
L5
SBT-0260
R13
1
.7
8
k
F
2
W
(N
.M
.)
MJ1
MJ-62J-RD315/MJ-66J-RD315
1
2
3
4
5
6
TP30
C
9
B1000pF
ZD
4
HZS2A1
PC2B
TLP620
4
3
TP25
TP33
C1000
B0.1uF/
16
V(1
60
8)
C100
9
B560pF
/250V(2125)
C5
150pF/
AC250V(
7
.5
mm
)
R100
9
2
.2
K
(2125)
ZD
1000
RL
Z5.6
PC1A
PC817X
1
2
TP12
R1
4
10M(1608)
A
A
B
B
C
C
D
D
E
E
4
4
3
3
2
2
1
1
FAX
MAIN
PWB
(TEL/LIU)
(North
America)
1/6
AR-FX13 CIRCUIT DIAGRAM 7 - 2
+
5
V
A
G
A
G
A
G
+
5
V
A
G
+
5
V
+
5
V
V
re
f
A
G
+
5
V
A
G
V
re
f
V
re
f
V
re
f
+
5
V
+
5
V
A
G
A
G
G
ND
A
G
A
G
VOL_B
VOL_A
V
O
L
CNT_A
V
O
L
CNT_B
SPMUTE
BZ
VOL_
C
SPOUT
C1
4
2
A
4
.7u
F/
5
0V
R1
65
4
.7
k
TP2
98
TP2
96
R1
6
1
33K
IC11
BU
4
0
5
1BC
F
X0
13
X1
1
4
X2
1
5
X3
12
X
4
1
X
5
5
X
6
2
X
7
4
INH
6
A
11
B
10
C
9
X
3
VDD
1
6
VEE
7
VSS
8
IC10
BU
4
0
5
1BC
F
X0
13
X1
1
4
X2
1
5
X3
12
X
4
1
X
5
5
X
6
2
X
7
4
INH
6
A
11
B
10
C
9
X
3
VDD
1
6
VEE
7
VSS
8
TP2
94
TP3
4
1
R1
5
3
6
2K
C13
7
0.
1
u
F
R1
55
200K
TP311
TP313
C132
0.
1
u
F
TP30
6
R1
56
1
8
K
R1
68
3.
3K
R1
77
22k
TP2
95
R15
2
4.7
k
TP331
TP33
8
IC
1
2
NJM2113M
4
3
7
8
5
1
2
6
TP310
TP30
9
TP30
5
TP2
9
2
C13
6
47
00pF
R1
8
0
200K
C1
4
3
A
4
.7u
F/
5
0V
TP2
97
TP301
CN
3
B
2
B
-P
H-K-S
1
2
TP31
6
R164
56
k
R1
57
5
.1k
R1
67
1K
C13
4
0.
1
u
F
C13
5
0.
1
u
F
R15
1
4.7
k
R166
56
k
R17
0
56
k
R1
7
3
10K(
N.
M.
)
TP312
TP33
7
R154
4.7
k
R1
58
3.
3K
TP30
4
R1
6
0
100K
TP30
8
C133
0.
1
u
F
TP300
R169
56
k
R1
7
2
20k
TP302
TP31
5
R1
7
1
1.
6
k
C1
45
100pF
C13
9
2200pF
TP31
4
C1
4
1
A
4
.7u
F/
5
0V
R1
6
3
4
.7
k
TP2
9
3
R1
59
10k
R1
74
1k
ZD
6
HZS
2
C
1
C13
8
0.
1
u
F
TP30
7
TP303
R1
79
100k
TP2
99
R16
2
1M
R1
8
10
R
TP322
R1
76
3.
3
k
C1
44
A
4
.7u
F/
5
0V
FAX
MAIN
PWB
(SPEAKER)
(North
America)
2/6
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
AR-FX13 CIRCUIT DIAGRAM 7 - 3
A1
8
A1
4
A1
9
A
8
A13
A
5
A12
A1
7
A10
A
9
A1
5
A1
6
A11
A20
A2
D
5
D
7
D0
D
4
D1
D
6
D2
D3
A0
D0
D
5
D
6
D
7
D
4
D3
D2
D1
A13
A
5
A10
A1
5
A1
6
A0
A2
A
4
A11
A1
4
A3
A12
A1
A
6
A
7
A
8
A
9
A
7
A
6
A3
A21
A1
7
A1
A
4
+3.3V
G
ND
G
ND
G
ND
G
ND
G
ND
BAT
+3.3V
G
ND
+3.3V
+3.3V
G
ND
G
ND
BAT
G
ND
G
ND
BAT
+3.3V
G
ND
G
ND
G
ND
G
ND
A
[21:
0]
D[
7
:0
]
F_R
Y
B
Y
WEL
CS_S
1
L
CS
_
F
L
OEL
CS_S
0
L
RESETL
RTC_
D
A
T
A
RTC_CLK
R
T
C_CE0H
CS_S
1
L
C_BT
L_BT-
F_WP
TP2
45
TP1
75
TP1
49
TP2
4
2
TP
68
TP130
R3
5
20k
TP21
5
TR2
KTC3
875
C
7
2
100pF
IC
9
CS1
6
LV102
4
3EIR
55
A0
20
A1
1
9
A2
1
8
A3
1
7
A
4
1
6
CE1
30
I/O0
21
I/O1
22
I/O2
23
I/O3
2
5
VCC
8
I/O
4
2
6
I/O
5
2
7
WE
5
A
5
1
5
A
6
1
4
A
7
13
A
8
3
NC
9
A12
12
A11
1
A10
31
A
9
2
VSS
2
4
CE2
6
OE
32
A13
4
A1
4
11
A1
5
7
A1
6
10
I/O
7
2
9
I/O
6
2
8
TP23
9
R
94
75
CN
4
B2B-
PH
-K
-S
1
2
TP1
5
2
TR
4
KTA1
5
0
4
TP
8
3
TP2
8
TP1
77
R3
6
1k
R
6
1k
D3
1SS3
55
C31
0.
1
u
F
+
C
74
A
47u
F/
2
5
V
TP21
6
TP1
76
C
94
0.
1
u
F
TP12
9
TP1
47
TP2
46
TP
7
2
TP1
97
TP
66
C
54
12pF
TP2
4
3
C
55
12pF
C
7
3
0.
1
u
F
TP1
56
TP2
4
0
TP1
94
TP1
96
TP1
95
C
5
1
1
8
pF(
N
.M
.)
TP2
47
R
7
3
10k
TR1
DTC3
6
3EKA
B
E
C
TP
67
TP1
9
3
R
5
100k
TP1
57
TP
85
TP1
46
C
5
2
12pF(
N
.M
.)
R
79
10k
TP32
TP1
8
0
TR3
KTA1
5
0
4
TP
7
0
TP1
55
R
6
1
1k
TP2
76
IC
5
SM
8578
BV
DATA
7
I/O-
1
CLK
6
CE
5
XT
2
XT-
3
VDD
8
VSS
4
TP1
79
IC
2
PST3
4
2
6
OUT
1
VCC
2
NC
3
G
ND
4
TP1
54
JP1
0R
TP2
74
TP21
7
TP1
78
TP2
44
TP1
5
3
BT1
HL
5
0-A
1
2
R3
8
3
6
0
TP2
4
1
X3
DT-
3
8
32.
768
KHz
1
4
2
3
C
59
0.
1
u
F
TP1
45
TP1
44
TP
69
TP
89
TP1
74
TP1
48
TP2
75
TP3
4
R
6
0
1k
TP
7
1
TP1
5
1
ZD
2
UDZ2.
0
B
IC
8
S2
9
AL01
6
D
7
0TFI020
A1
9
9
A1
8
1
6
A1
7
1
7
A1
6
48
A1
5
1
A1
4
2
A13
3
A12
4
A11
5
A10
6
A
9
7
A
8
8
A
7
1
8
A
6
1
9
A
5
20
A
4
21
A3
22
A2
23
A1
2
4
A0
2
5
DQ1
5
45
DQ1
4
4
3
DQ13
4
1
DQ12
3
9
DQ11
3
6
DQ10
3
4
DQ
9
32
DQ
8
30
DQ
7
44
DQ
6
4
2
DQ
5
4
0
DQ
4
3
8
DQ3
3
5
DQ2
33
DQ1
31
DQ0
2
9
CE
2
6
OE
2
8
WE
11
WP
1
4
RY/BY
1
5
VPP
13
BYTE
47
RP
12
VCC
3
7
G
ND
2
7
G
ND
46
NC
10
R3
7
56
0
TP
7
3
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
FAX
MAIN
PWB
(SRAM
&
FLASHROM
(16M))
(North
America)
3/6
AR-FX13 CIRCUIT DIAGRAM 7 - 4
D1
D3
D2
D
4
D
6
D
7
D0
D
5
A
6
A
8
A
5
A2
A
9
A1
A
7
A
4
A3
A10
A0
A11
G
ND
G
ND
G
ND
G
ND
G
ND
+1.
8
V
G
ND
+3.3V
G
ND
+3.3V
G
ND
+3.3V
+3.3V
G
ND
G
ND
G
ND
G
ND
+3.3V
G
ND
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
G
ND
MDM3.3V
A
[21:
0]
CS_ML
OEL
MCLOC
K
M_RESETL
MDM_I
R
Q
CL
K
IN
WEL
ABI
TCL
K
ASPCL
K
ATXD
ARXD
AFERS
T
_
L
D[
7
:0
]
CL
K
IN
FL
6
TP
94
FL
9
TP
48
FL
7
R2
54
7
k
FL
4
FL
3
R
48
47
K
TP
44
C
46
0.
1
u
F
TP102
C2
6
0.
1
u
F
C2
9
0.
1
u
F
TP
4
2
C
44
0.
1
u
F
TP
55
C
48
0.
1
u
F
TP1
9
TP11
TP
76
R
58
47
K
TP
5
0
TP
98
TP
5
1
TP3
6
C
4
0
0.
1
u
F
C21
0.
1
u
F
R
46
33(
N
.M
.)
R
9
1
47
K
R23
47
K
R32
47
K
TP
77
TP
4
3
C1
9
A33
u
F/
1
0
V
R33
47
K
C
4
2
1
u
F
R
56
47
K
TP
9
3
TP3
7
TP101
R
55
47
K
C
66
0.
1
u
F
C30
A
47u
F/
2
5
V
C
4
3
0.
1
u
F
TP
5
2
TP
56
R3
4
0R
R
59
47
K
TP
49
C23
1
u
F
TP3
9
FB11
ACH32
N
.M
.
C3
6
100pF
C
4
1
1
u
F
TP
8
1
TP2
9
TP
47
TP100
FL12
ZJSR
5
1
0
1
(22000p)
R1
87
5
R
5
3
4
.7
k
CN
1
A2-
6
PA-
2
.54
DSA(NM)
1
2
3
4
5
6
TP
78
R
54
0R
TP
5
3
C
47
0.
1
u
F
TP
59
R
5
03
3
R
9
2
47
K
TP
6
0
R
9
3
47
K
X1
S
G
-7
10ECK
2
4
.576
MS
-L
3
VDD
4
OUT
3
OE
1
G
ND
2
TP
9
2
R
95
47
K
C
65
C
47
0
u
F
TP
6
2
TP
95
C2
4
0.
1
u
F
R
96
47
K
R
97
47
K
TP10
R
98
47
K
C20
A33
u
F
/10V
R
47
33
C22
0.
1
u
F
R
5
2
47
K
TP
99
TP
65
C
9
3
A
47u
F/
2
5
V
TP
45
C
45
0.
1
u
F
TP
58
R2
84
7
K
C2
5
1
u
F
R2
94
7
K
R1
9
47
K
R2
64
7
k
R31
47
k
R20
47
K
C
49
0.
1
u
F
TP
8
0
TP3
8
TP
6
3
TP
7
R22
47
K
R2
74
7
k
BR
1
MNR0
4
33
1
2
3
4
5
6
7
8
R10
1
00
R2
4
0R
R21
1
00
C2
7
0.
1
u
F
MN1
95
00
6
E
IC
4
T3IRQ
1
DPD00
2
VDD3
3
DPD01
4
VSS
5
DPD02
6
DPD03
7
DPD0
4
8
VDD2
9
DPD0
5
10
VSS
11
DPD0
6
12
DPD0
7
13
DPD0
8
1
4
VDD3
15
DPD0
9
1
6
DPD10
1
8
DPD11
1
9
DPD12
20
VSS
17
VDD2
21
DPD13
22
VSS
23
DPD1
4
2
4
DPD1
5
2
5
NDB
G
REQ
2
6
DB
G
MOD
2
7
TDO
2
8
TDI
2
9
VDD3
30
TCK
31
VSS
32
TMS
33
AVDD
34
AVSS
35
PLLON
3
6
CXIN
3
9
VSS
40
NRESET
4
1
VDD2
42
CXOUT
3
8
CNT
3
7
CLKOUT
4
3
VDD3
44
SCANNT
45
MINTEST
46
VSS
47
INTEST
48
MODE0
49
MODE1
5
0
LON
5
1
VSS
64
ATXD
6
3
VDD2
62
ARXD
6
1
ASPCLK
6
0
ABITCLK
59
EYEDAT
58
EYECLK
57
VSS
56
REG
OUT
53
VDDREG
54
VDDREG
55
REG
OUT
52
BRXD
67
BSPCLK
66
BBITCLK
65
NDPCS
75
NDPRD
74
NDPWR
7
3
NLB
7
2
NUB
7
1
VSS
70
BTXD
69
VDD3
68
G
PIO0
76
G
PIO1
77
DPA01
85
DPA00
84
G
PIO
5
8
3
G
PIO
4
8
2
G
PIO3
8
1
VSS
80
G
PIO2
79
VDD3
78
VSS
89
DPA03
88
DPA02
87
VDD2
86
DPA0
4
9
0
DPA0
5
9
1
VDD3
92
DPA0
6
9
3
DPA0
7
94
DPA0
8
95
DPA0
9
96
VDD2
97
DPA10
98
VSS
99
DPA11
100
FL
8
BR
7
MNR0
4
33
1
2
3
4
5
6
7
8
TP
6
1
FL14
TP
79
TP20
FL13
C3
9
10pF
TP
96
TP
97
R
9
100
FL
2
TP
9
FL
5
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
FAX
MAIN
PWB
(MN195006Q)
(North
America)
4/6
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