Sharp AR-NB3 (serv.man4) Service Manual ▷ View online
AR-NB3
CIRCUIT DIAGRAM
7 – 7
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
7/16
FLASH
<FLASH_DIMM Slot[0]>
<FLASH_DIMM Slot[1]>
<FLASH_DIMM Slot[2]>
<FLASH_WP Control>
RS55: ASM
RS56: NO ASM
LA8
LA0
LA1
8
LA4
LA1
0
LA1
1
LA9
LA6
LA2
0
LA1
4
LA2
0
LA1
1
LA4
LA8
LA1
4
LA7
LA1
6
LA1
7
LA1
LA1
6
LA7
LA1
5
LA2
0
LA1
LA1
LA3
LA1
3
LA1
8
LA1
3
LA1
1
LA9
LA5
LA1
2
LA5
LA9
LA1
7
LA2
LA8
LA2
LA4
LA1
2
LA0
LA1
5
LA6
LA2
LA1
0
LA1
8
LA1
3
LA6
LA1
9
LA1
7
LA1
6
LA7
LA1
5
LA3
LA1
0
LA0
LA1
9
LA5
LA1
4
LA1
9
LA3
LA1
2
VCCWA
LD19
LD17
LD20
LD21
LD23
LD18
LD16
LD22
LD31
LD26
LD24
LD25
LD30
LD28
LD27
LD29
LD14
LD8
LD11
LD13
LD9
LD10
LD15
LD12
LD2
LD0
LD5
LD3
LD1
LD7
LD6
LD4
LD21
LD17
LD19
LD23
LD22
LD18
LD20
LD16
LD24
LD26
LD27
LD31
LD29
LD30
LD25
LD28
LD14
LD15
LD13
LD8
LD9
LD10
LD12
LD11
LD1
LD7
LD6
LD3
LD5
LD4
LD0
LD2
LD21
LD17
LD19
LD23
LD22
LD18
LD20
LD16
LD24
LD26
LD27
LD31
LD29
LD30
LD25
LD28
LD14
LD15
LD13
LD8
LD9
LD10
LD12
LD11
LD1
LD7
LD6
LD3
LD5
LD4
LD0
LD2
FWP
LA2
0
FOE
6,15
FWE
6,15
LD[31:0]
6
F
O
NT_OE
6,15
P
O
NRST
2,9,10,11,13,15
R
O
MCS2
3,15
LA[20:0]
6
R
O
MCS3
3,15
F
O
N
T_WE
6,15
R
O
MCS1
3,15
R
O
MCS0
3,15
R
O
MCS4
3,15
R
O
MCS5
3
R
O
MCS6
3
VCCWCTL
2,16
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
R28
2
0
NOASM
R220
10k
CN4
DMM2-SD72A-113
1
12
13
14
15
16
17
18
28
31
32
40
41
42
43
44
46
47
11
19
2
3
4
5
6
7
8
9
21
22
23
24
25
26
27
35
37
38
49
50
51
52
53
54
56
57
58
60
59
62
63
64
45
48
55
10
30
61
1
20
39
29
33
34
36
65
66
67
68
69
70
71
72
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
1CE
NC
2CE
NC
OE
WP
WE
NC
RP
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
RY/BY
BYTE
VCCW
VCC
NC
VCC
GND
GND
GND
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
NC
CN5
DMM-100G-432FNK31
28
78
29
79
30
80
31
81
32
82
33
83
34
84
35
85
36
86
37
87
38
88
39
89
40
90
41
91
42
92
43
93
18
68
19
69
20
70
21
71
22
23
72
73
26
24
25
4
54
5
6
45
46
55
56
95
96
1
2
49
50
51
52
99
100
7
57
8
58
9
59
10
60
11
61
12
62
13
63
14
64
15
65
16
66
17
97
53
98
67
74
75
76
77
3
27
47
48
44
94
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
NC
NC
Vpp
Vpp
Vpp
Vpp
NC
NC
OE_
WE_
RP
BYTE_
NC
WP_
RY/BY_
Vpp
Vpp
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
Vcc
GND
GND
GND
GND
GND
GND
GND
GND
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
NC
NC
GND
A21
CE0_
CE1_
CE2_
CE3_
NC
NC
NC
GND
NC
NC
C79
10u
F
C22
0
0.1uF
C71
0.1uF
C23
5
0.47uF
C74
0.1uF
C73
0.1uF
CN3
DMM2-SD72A-113
1
12
13
14
15
16
17
18
28
31
32
40
41
42
43
44
46
47
11
19
2
3
4
5
6
7
8
9
21
22
23
24
25
26
27
35
37
38
49
50
51
52
53
54
56
57
58
60
59
62
63
64
45
48
55
10
30
61
1
20
39
29
33
34
36
65
66
67
68
69
70
71
72
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
1CE
NC
2CE
NC
OE
WP
WE
NC
RP
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
RY/BY
BYTE
VCCW
VCC
NC
VCC
GND
GND
GND
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
NC
C78
0.1uF
C76
0.1uF
R280
0
NOAS
M
+
C75
22uF/16V
C77
0.1uF
R106
10
K
R105
10
K
NOAS
M
R109
10k
TP705
R21
9
33
C22
2
0.1uF
R10
7
0
TP690
R28
1
0
IC34
TC7SB6
6
F
U
NOAS
M
2
1
5
4
3
R279
0
C72
0.1uF
C22
1
0.47uF
AR-NB3
CIRCUIT DIAGRAM
7 – 8
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
8/16
<Serial EEPROM>
<RTC>
BATTERY
ON <->
OFF
NO A
S
M
Serial_EEPROM/RT
EEP_SDA
2,16
EEP_SCK
2,16
R
T
C
DATA
2,16
RTCR/W
2,16
RTCCS
2,16
RTCCLK
2,16
RTCBU
S
O
E
_
13
VCCIO
VCC
VCCIO
VCCIO
VCC
VCC
EN
1
IC35A
SN74AHC
T
1
2
5PWR
2
3
1
R22
6
10K
TP
424
R22
7
10K
C223
0.1uF
TP419
TP666
R221
10K
C22
4
0.1uF
R228
10K
C24
4
10p
F
R229
10K
C88
0.1uF
EN
1
IC35B
SN74AHC
T
1
2
5PWR
5
6
4
R122
3.3K
TP421
TP663
TP563
R28
3
0
EN
1
IC32C
S
N
7
4LVC125APW
9
8
10
BT
1
H
L
32-V1
IC18
NJU635
6
E
M
1
7
6
5
2
3
8
4
I/O-
DATA
CLK
CE
XT
XT-
VDD
VSS
C86
0.1uF
D1
R
B
7
51V-40 TE-17
R305
10K
TP423
Q2
2SC4116
C
B
E
Q1
2SA15
8
6
C
B
E
Y1
DT-38
3
2
.7
68KHz
TP550
EN
1
IC32D
S
N
7
4LVC125APW
12
11
13
R1231
0K
EN
1
IC32B
S
N
7
4LVC125APW
5
6
4
C87
10uF
R124
10
K
R30
6
10K
EN
1
IC32A
S
N
74LVC125APW
2
3
1
R125
2.2K
TP664
R30
7
10K
R121
10
R30
8
10K
IC25F
TC74LCX1
4
F
T
13
12
C24
3
10p
F
C85
0.1uF
TP420
IC17
C
A
T
2
4
FC256XI
5
3
6
1
8
4
2
7
SDA
A2
SCL
A0
VCC
GND
A1
WP
TP665
TP551
TP562
EN
1
IC35C
SN74AHC
T
1
2
5PWR
9
8
10
EN
1
IC35D
SN74AHC
T
1
2
5PWR
12
11
13
TP422
C
AR-NB3
CIRCUIT DIAGRAM
7 – 9
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
9/16
<PCI_Slot [A]>
NO AS
M
P
C
I CONNECTOR
PCIAD19
PCIAD24
PCIAD27
PCIAD7
PCIAD30
PCIAD10
PCIAD25
PCIAD20
PCIAD21
PCIAD14
PCIAD28
PCIAD15
PCIAD2
PCIBE3
PCIAD16
PCIBE1
PCIAD4
PCIAD0
PCIAD31
PCIAD6
PCIBE2
PCIAD1
PCIAD5
PCIAD18
PCIAD29
PCIAD12
PCIBE0
PCIAD26
PCIAD3
PCIAD11
PCIAD22
PCIAD23
PCIAD9
PCIAD13
PCIAD8
PCIAD17
PCIREQ2
4,15
PLOCK
4
4
PCIGNT2
4,15
PCIINTA
2,10,11
PCIAD[31:0]
4,10,11
PCICLK2
4
4
P
O
NRST
2,7,10,11,13,15
PSERR
4,10,11
PIRDY
4,10,11
PDEVSEL
4,10,11
PTRDY
4,10,11
PSTOP
4,10,11
PPERR
4,10,11
PPA
R
4,10,11
P
F
RAME
4,10,11
PCIBE[3:0]
4,10,11
PCIINTB
2
2
HDD_POWER
2
2
VCCIO
VCCIO
VCC
VCC
VCC
C216
10u
F
C217
10uF
CN7
TX25-100P-
1
2ST-H1
1
2
3
5
7
9
11
13
15
17
19
4
6
8
10
12
14
16
18
20
21
22
23
29
30
24
25
26
27
28
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1
2
3
5
7
9
11
13
15
17
19
4
6
8
10
12
14
16
18
20
21
22
23
29
30
24
25
26
27
28
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
R12
6
1
0
AR-NB3
CIRCUIT DIAGRAM
7 – 10
<ETHER>
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
10/16
ETHER CONTROLLER
<ETHERNET CONNECTOR>
PCIAD11
PCIAD29
PCIAD17
PCIAD16
PCIAD8
PCIAD26
PCIAD21
PCIAD5
PCIAD19
PCIAD18
PCIAD22
PCIAD2
PCIAD4
PCIAD30
PCIAD23
PCIAD13
PCIAD14
PCIAD3
PCIAD6
PCIAD31
PCIAD24
PCIAD1
PCIAD15
PCIAD9
PCIAD20
PCIAD7
PCIAD28
PCIAD27
PCIAD0
PCIAD12
PCIAD25
PCIAD10
PCIBE0
PCIBE1
PCIBE2
PCIBE3
PCIAD[31:0]
4,9,11
P
S
E
R
R
4
,9,11
PCICLK1
4,16
PCIGNT1
4,15
PCIREQ1
4,15
PCIBE[3:0]
4,9,11
PCIINTA
2,9,11
PCIAD12
4,9,11
P
O
NRST
2,7,9,11,13,15
PIRDY
4,9,11
PDEVSEL
4,9,11
PTRDY
4,9,11
P
S
T
O
P
4,9,11
P
P
E
R
R
4
,9,11
P
P
A
R
4
,9,11
P
F
RAME
4,9,11
LEDACT
N
LED10N
1
6
LED100
N
LEDACT
N
LED10
0
N
LED10N
1
6
P
M
E
4,11,16
CLK
2,16
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
TP579
R144
10
K
R12
7
0
NOAS
M
TP608
IC20
C
A
T93C46VI-TE13
1
2
3
4
5
6
7
8
CS
SK
DI
DO
GND
NC
NC
VCC
R21
3
0
TP593
C12
0
0.1uF
C96
0
.01uF
C103
0.01uF
C93
0.1uF
TP
386
C107
0.01uF
TP594
TP598
TP607
R143
1K
NOAS
M
C92
0.1uF
TP
378
C110
0.01uF
TP595
R13
4
1
0
TP606
TP588
TP474
C
1
1
2
1000pF
C99
0.1uF
TP592
TP383
TP597
TP368
TP605
R13
6
0
C111
0.01uF
TP399
TP604
L7
BLM18BB121SN1D
1
2
L8
BLM18BB121SN1
D
1
2
TP389
C204
10u
F
R13
30
NOASM
TP591
TP377
TP580
TP587
L9
BLM18BB121SN1
D
NO AS
M
1
2
C
1
0
8
1000pF
TP385
TP581
TP603
C113
0.01uF
C20
3
0.47uF
IC19A
D
P
83816AVNG
17
18
34
40
41
42
43
45
46
48
50
53
54
59
60
61
62
63
64
66
67
68
70
71
72
73
74
75
76
78
79
81
82
83
86
87
88
89
91
92
93
95
96
97
98
99
100
101
102
104
105
106
108
109
110
111
112
113
115
116
118
119
120
121
122
123
127
129
130
131
132
134
135
139
140
141
4
5
6
7
10
11
12
13
14
15
22
23
24
25
28
29
30
31
142
144
143
3
128
2
1
138
133
X1
X2
NC
VREF
RESERVED
NC
NC
TPRDM
TPRDP
NC/RESERVED
RESERVED
TPTDM
TPTDP
PMEN/CLKRUNN
PCICLK
INTAN
RSTN
GNTN
REQN
AD31
AD30
AD29
AD28
AD27
AD26
AD25
AD24
CBEN3
IDSEL
AD23
AD22
AD21
AD20
AD19
AD18
AD17
AD16
CBEN2
FRAMEN
IRDYN
TRDYN
DEVSELN
STOPN
PERRN
SERRN
PAR
CBEN1
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD8
CBEN0
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
3VAUX
PWRGOOD
RESERVED
MCSN
MRDN
MWRN
MD0
MD2
MD3
MD5
MD6
MD7
MDIO
MDC
RXCLK
RXD0/MA6
RXD1/MA7
RXD2/MA8
RXD3/MA9
RXOE
RXER/MA10
RXDV/MA11
TXD0/MA12
TXD1/MA13
TXD2/MA14
TXD3/MA15
COL
CRS
TXEN
TXCLK
MA0/LEDACTN
MA2/LED100N
MA1/LED10N
MA5
EESEL
MA4/EECLK
MA3/EEDI
MD4/EEDO
MD1/CFGDISN
TP380
TP582
L6
BLM18BB121SN1D
1
2
C
1
0
4
1000pF
TP583
C114
0.01uF
C23
6
0.47uF
TP601
C89
0.1uF
TP451
TP584
C115
0.01uF
TP388
R145
10
K
TP387
C116
0.01uF
TP
473
R286
10
K
TP585
IC19B
D
P
8
3816AVNG
39
47
56
51
58
125
69
80
94
107
117
19
85
9
27
137
21
33
36
38
44
52
55
57
124
65
77
90
103
114
16
84
8
26
136
20
32
35
37
49
126
RXAVDD1/AUXVDD_39
RXAVDD2/AUXVDD_47
TXDVDD/AUXVDD_56
TXDVSS/VSS_51
MACVDD1/AUXVDD_58
MACVDD2/NC
PCIVDD1
PCIVDD2
PCIVDD3
PCIVDD4
PCIVDD5
VDDIO2/C1
VDDIO4/NC
VDDIO1/AUXVDD_9
VDDIO3/AUXVDD_27
VDDIO5/AUXVDD_137
PHYVDD1/AUXVDD_21
PHYVDD2/AUXVDD_33
FSVDD/NC
RXAVSS1/VSS_38
RXAVSS2/VSS_44
TXIOVSS1/VSS_52
TXIOVSS2/VSS_55
MACVSS1/VSS_57
MACVSS2/NC
PCIVSS1
PCIVSS2
PCIVSS3
PCIVSS4
PCIVSS5
VSSIO2/VSS_16
VSSIO4/NC
VSSIO1/VSS_8
VSSIO3/VSS_26
VSSIO5/VSS_136
PHYVSS1/VSS_20
PHYVSS2/VSS_32
FSVSS/VSS_35
SUBGND1/NC
SUBGND2/VSS_49
SUBGND3/NC
TP590
R285
10
K
C117
0.01uF
TP382
TP740
C10
5
0.1uF
TP
398
C118
0.01uF
TP375
C
1
0
2
1000pF
TP376
TP596
R138
0
C119
0.01uF
TP600
R140
0
TP612
L10
BLM18BB121SN1
D
NO A
S
M
1
2
TP384
C91
10uF
TP578
R131
0
R13
9
470
TP611
C98
0
.01uF
R14
1
470
C97
0.1uF
R1
42
10K_1%
TP610
C101
0.01uF
R132
54
.9
R128
49.9
TP599
R135
54
.9
C90
10u
F
R12
9
0
C10
9
0.1uF
TP609
TP379
TP589
C100
10pF
TP586
C106
0.1uF
R130
49.9
TP564
CN8
J
0
0
26D21G
1
2
3
4
5
6
7
8
9
10
11
12
TX+
TX-
CT
NC
NC
CT
RX+
RX-
LeftLED_A
LeftLED_K
RightLED_A
RightLED_K
L5
BLM18BB121SN1
D
1
2
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