Sharp AR-NB2A (serv.man2) Service Manual ▷ View online
AR-NB2A ELECTRICAL SECTION 7 - 13
IC24
PST598C
N
M/R
1
SUB
2
GN
D
3
VOUT
4
VCC
5
D9
L
T
1P67A
N
OASM
IC38C
TC74LCX14
F
T
5
6
IC25B
TC74LCX14
F
T
3
4
R192
220
IC38D
TC74LCX14
F
T
9
8
IC3C
TC74LCX14
F
T
5
6
R194
10K
C173
0.1
uF
IC38E
TC74LCX14
F
T
11
10
TP374
R188
36K
S
W
1
SKHHLUA010
1
1
2
2
IC38
F
TC74LCX14
F
T
13
12
R191
220
TP700
TP372
D8
L
T
1P67A
N
OASM
IC25A
TC74LCX14
F
T
1
2
TP402
IC39
ELM7SH14
N
C
1
In
2
Vdd
5
O
u
t
4
GN
D
3
C177
0.1
uF
TP755
IC25E
TC74LCX14
F
T
11
10
TP701
TP472
R186
0
N
OASM
IC25D
TC74LCX14
F
T
9
8
TP392
C176
0.1
uF
TP760
D6
RB451
F
2
1
3
D1
1
L
T
1P67A
N
OASM
R187
10K
C175
0.47
uF
TP404
R284
0
N
OASM
C238
0.47
uF
D10
L
T
1P67A
N
OASM
IC36C
TC74LCX08
F
T
9
10
8
R193
220
R195
220
TP702
C171
0.47
uF
N
O
ASM
IC36D
TC74LCX08
F
T
12
13
11
C247
0.1
uF
TP703
TP762
TP757
C240
0.47
uF
IC3D
TC74LCX14
F
T
9
8
C226
0.1
uF
TP758
TP454
IC36A
TC74LCX08
F
T
1
2
3
R189
10K
C174
0.47
uF
TP403
TP391
C202
0.1
uF
TP759
S
W
3
SKHUPBE010
N
OASM
1
2
3
4
C237
0.47
uF
N
OA
S
M
IC36B
TC74LCX08
F
T
4
5
6
C234
0.1
uF
R260
10K
C225
0.47
uF
C239
0.47
uF
S
W
2
SKHUPBE010
N
OASM
1
2
3
4
IC25C
TC74LCX14
F
T
5
6
TP373
TP761
TP453
IC38A
TC74LCX14
F
T
1
2
IC3B
TC74LCX14
F
T
3
4
C170
0.1
uF
IC38B
TC74LCX14
F
T
3
4
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCCIO
VCC
VCC
VCCIO
VCCIO
VCC
VCC
N
MI
2
,16
DB
G_
LED1
2
,16
DB
G_
LED0
2
,16
DB
G_
LED3
2
,16
DB
G_
LED2
2
,16
C
G
RESET
2
,16
PO
N
RST
2
,7
,9
,10
,11
,15
W
DRST
2
,16
PIO
_
S
W
2
,16
IN
T2
2
,16
R
T
CBUSOE
_
8
<N
MI
>
<
DEBUG
L
ED
>
<
Manual
Initiali
zation
>
<
Manual
RESET
>
MAI
N
P
W
B
(RESET/LED)
5
5
4
4
3
3
21
21
D
D
C
C
B
B
A
A
13/16
AR-NB2A ELECTRICAL SECTION 7 - 14
R204
0
TP460
C186
470
uF
/16V
+
TP9
1
TP574
D13
1SS355
TP8
1
C227
470
uF
/16V
N
OASM
+
C182
0.1
uF
12
TP7
1
TP704
C183
0.1
uF
1
2
TP4
1
C197
0.47
uF
C184
470
uF
/16V
+
TP5
1
C188
0.01
uF
1
2
TP455
TP575
R200
100K/0.1
W
12
TP457
R198
3K
_
1
%
1
2
C242
0.47
uF
C191
0.1
uF
1
2
C192
220
uF
/16V
1
2
+
D14
D1
F
M3-4103
L21
RCH-108-680
42
P
J
1
HEC3610-010010
2
2
3
3
4
4
R199
12K
_
1
%
1
2
C196
1000
pF
TP548
C193
0.1
uF
1
2
D15
D1
F
M3-4103
C219
470
pF
TP569
IC31
N
J
M2360M
S1
7
CS
1
ES
2
CT
3
GND
4
CD
8
IN
VI
N
5
V
+
6
TP698
TP459
L20
RCH-108-680
42
R217
MCR50
J
Z
H
F
LR330
12
C212
22
uF
/16V
+
C190
220
uF
/16V
+
F
S3
TR/0603
F
A1
A-
T
1
1
2
2
R203
0
N
OASM
IC27
MD3221
N
R/C
1
VCC
6
VDD
18
VDD
19
VDD
20
VDD
21
V
G
H
23
VB
24
OCL
+
25
GND
26
OCL-
27
a
m
p
OUT
28
a
m
p
-
29
a
m
p
IN
30
2.5V/3.3V
31
S/S
32
Vre
f
2
OSC
3
GND
4
LC
5
Vboot
7
P .GN
D1
8
V
G
L
9
VOUT
11
VOUT
12
VOUT
13
VOUT
14
P .GN
D2
16
N
/C
10
N
/C
15
N
/C
17
N
/C
22
C187
10
uF
/16V
1
2
+
C228
470
uF
/16V
N
OASM
+
C189
0.47
uF
TP467
F
S4
TR/0603
F
A
2.5A
-T
1
1
2
2
TP699
TP456
C241
0.47
uF
C21
1
22
uF
/16V
+
TP458
TP549
R206
560
D7
L
TL-155
G
HA
TP461
TP425
R262
2K
_
1
%
N
OASM
1
2
C213
22
uF
/16V
+
IC37
N
J
M2360M
N
OASM
S1
7
CS
1
ES
2
CT
3
GND
4
CD
8
IN
VI
N
5
V
+
6
F
S2
TR/0603
F
A
2.5A
-T
1
1
2
2
C229
470
pF
N
OASM
TP573
R261
MCR50
J
Z
H
F
LR330
N
OASM
12
C200
47
uF
/16V
1
2
+
C180
47
uF
/16V
1
2
+
TP572
R263
1.2K
_
1
%
N
OASM
1
2
D16
D1
F
M3-4103
N
OASM
TP571
TP6
1
L24
RCH-108-680
N
OASM
42
TP570
VCC
VCCIO
VCCI
N
T
VCCIO
VCC
VCCIO
VCC
VCCI
N
T
V
CCI
N
T
=
1.5
V
V
CC
=
5
V
V
CCIO
=
3.3
V
V
CCIO
=
3.3
V
V
CC
=
5
V
V
CCI
N
T
=
1.5
V
<
T
X
4927AF
Internal
PO
W
ER
1.5
V>
MAI
N
P
W
B
(PO
W
ER)
5
5
4
4
3
3
21
21
D
D
C
C
B
B
A
A
14/16
AR-NB2A ELECTRICAL SECTION 7 - 15
TP12
1
TP32
1
TP21
1
TP34
1
ICT29
TP15
1
ICT24
TP22
1
TP35
1
ICT30
TP38
1
TP23
1
TP10
1
ICT9
ICT10
TP33
1
ICT1
1
TP13
1
ICT12
ICT15
ICT13
ICT16
TP16
1
ICT14
TP24
1
TP36
1
TP39
1
TP37
1
ICT1
TP40
1
ICT2
TP41
1
TP25
1
TP1
1
1
ICT25
TP42
1
ICT3
TP27
1
ICT19
TP14
1
ICT4
TP43
1
ICT21
ICT26
TP45
1
TP28
1
ICT22
TP44
1
TP17
1
ICT17
TP26
1
ICT18
ICT20
ICT27
TP31
1
TP18
1
TP30
1
ICT5
TP19
1
ICT28
TP29
1
ICT6
ICT7
TP20
1
ICT8
ICT23
SDD
Q
M0
SDD
Q
M5
SDD
Q
M7
SDD
Q
M6
SDD
Q
M4
SDD
Q
M1
SDD
Q
M3
SDD
Q
M2
VCCI
N
T
SDD
Q
M[7:0]
3
,5
SD
W
E
3
,5
SDRCS2
3
,5
SDCAS
3
,5
SDRAS
3
,5
SDCKE
3
,5
SDRCS0
3
,5
SDRCS1
3
,5
ROM
W
E
3
,6
ROMOE
3
,6
MEMDIR
3
,6
ALE
3
,6
F
OE
6
,7
FW
E
6
,7
PO
N
RST
2
,7
,9
,10
,11
,13
ROMCS2
3
,7
ROMCS3
3
,7
ROMCS0
3
,7
ROMCS1
3
,7
PCIRE
Q
0
4
,11
PCIRE
Q
1
4
,10
PCIRE
Q
2
4
,9
PCI
GN
T0
4
,11
PCI
GN
T1
4
,10
PCI
GN
T2
4
,9
SYSCLK
3
3
ROMCS4
3
,7
F
O
N
T
_
OE
6
,7
F
O
N
T
_W
E
6
,7
ALE
3
,6
DM1
11
,12
DP1
11
,12
MEMDIR
3
,6
PCI
GN
T0
4
,11
PCI
GN
T1
4
,10
PCIRE
Q
1
4
,10
PCIRE
Q
0
4
,11
ROMCS1
3
,7
ROMOE
3
,6
SDCAS
3
,5
ROM
W
E
3
,6
SDD
Q
M2
3
,5
SDD
Q
M0
3
,5
SDCKE
3
,5
SDD
Q
M1
3
,5
SDRAS
3
,5
SDD
Q
M7
3
,5
SDD
Q
M4
3
,5
SDRCS1
3
,5
SDD
Q
M5
3
,5
SDRCS0
3
,5
SDD
Q
M6
3
,5
SDD
Q
M3
3
,5
SDRCS2
3
,5
SD
W
E
3
,5
SYSCLK
3
DM2
11
,12
DP2
11
,12
<
SDRAM
>
<
ADDRESS/DA
T
A
>
<
F
LASH
>
<
PCI
>
MAI
N
P
W
B
(TESTPOI
N
T)
5
5
4
4
3
3
21
21
D
D
C
C
B
B
A
A
15/16
AR-NB2A ELECTRICAL SECTION 7 - 16
TP350
TP477
TP295
TP499
TP203
TP346
TP138
TP476
TP291
TP501
TP347
TP483
TP287
TP498
TP344
TP500
TP170
TP1
1
2
TP136
TP352
TP405
TP109
TP353
TP135
TP514
TP108
TP351
TP133
TP139
TP515
TP519
TP349
TP132
TP140
TP517
TP267
TP107
TP134
TP171
TP516
TP270
TP106
TP131
TP169
TP205
TP268
TP105
TP137
TP168
TP204
TP271
TP104
TP130
TP536
TP101
TP167
TP161
TP266
TP539
TP280
TP165
TP272
TP537
TP359
TP542
TP279
TP166
TP264
TP207
TP1
1
1
TP538
TP200
TP141
TP277
TP163
TP269
TP208
TP1
1
0
TP356
TP543
TP142
TP102
TP282
TP164
TP273
TP210
TP532
TP360
TP544
TP123
TP276
TP162
TP265
TP209
TP533
TP426
TP201
TP278
TP160
TP213
TP535
TP354
TP283
TP159
TP212
TP534
TP355
TP540
TP508
TP281
TP158
TP488
TP214
TP358
TP541
TP51
1
TP298
TP184
TP192
TP487
TP215
TP357
TP506
TP296
TP188
TP124
TP484
TP468
TP202
TP505
TP292
TP189
TP125
TP491
TP297
TP512
TP186
TP485
TP528
TP510
TP294
TP187
TP152
TP193
TP490
TP221
TP507
TP300
TP185
TP156
TP493
TP218
TP529
TP504
TP303
TP183
TP157
TP489
TP143
TP509
TP308
TP182
TP154
TP486
TP220
TP530
TP144
TP31
1
TP513
TP1
1
7
TP181
TP155
TP492
TP241
TP146
TP313
TP1
1
4
TP153
TP240
TP219
TP525
TP103
TP145
TP194
TP126
TP121
TP151
TP222
TP237
TP527
TP147
TP195
TP127
TP1
1
6
TP190
TP150
TP223
TP234
TP526
TP148
TP1
1
3
TP149
TP238
TP275
TP531
TP122
TP258
TP326
TP236
TP274
TP315
TP1
1
9
TP263
TP325
TP239
TP317
TP175
TP1
1
8
TP254
TP331
TP235
TP319
TP179
TP252
TP120
TP257
TP329
TP242
TP318
TP180
TP248
TP1
1
5
TP261
TP330
TP243
TP322
TP177
TP231
TP249
TP255
TP332
TP341
TP196
TP310
TP321
TP178
TP230
TP244
TP256
TP327
TP339
TP197
TP128
TP306
TP320
TP176
TP227
TP251
TP259
TP328
TP340
TP521
TP129
TP289
TP302
TP323
TP174
TP224
TP253
TP260
TP333
TP343
TP285
TP309
TP316
TP173
TP216
TP228
TP247
TP262
TP324
TP334
TP290
TP307
TP314
TP172
TP217
TP226
TP245
TP518
TP336
TP478
TP286
TP299
TP229
TP250
TP520
TP342
TP481
TP522
TP502
TP284
TP305
TP191
TP225
TP246
TP524
TP337
TP479
TP503
TP304
TP232
TP523
TP335
TP480
TP496
TP312
TP233
TP338
TP482
TP495
TP301
TP198
TP348
TP469
TP293
TP494
TP199
TP345
TP475
TP288
TP497
CE3
CE2
CE1
CE0
CE6
CE4
CE5
D
Q
M2
D
Q
M1
DMARE
Q
1
D
Q
M0
DMARE
Q
2
DMARE
Q
0
D
Q
M3
DMARE
Q
3
D
Q
M5
D
Q
M4
D
Q
M7
D
Q
M6
PCIBEA1
PCIBEA0
PCIBEA3
PCIBEA2
MEMD61
MEMD57
MEMD63
MEMD58
MEMD62
MEMD60
MEMD59
MEMD54
MEMD51
MEMD47
MEMD53
MEMD48
MEMD52
MEMD55
MEMD50
MEMD49
MEMD56
MEMD44
MEMD41
MEMD37
MEMD43
MEMD38
MEMD42
MEMD45
MEMD40
MEMD39
MEMD46
MEMD34
MEMD31
MEMD27
MEMD33
MEMD28
MEMD32
MEMD35
MEMD30
MEMD29
MEMD36
MEMD24
MEMD21
MEMD17
MEMD23
MEMD18
MEMD22
MEMD25
MEMD20
MEMD19
MEMD26
MEMD14
MEMD1
1
MEMD7
MEMD13
MEMD8
MEMD12
MEMD15
MEMD10
MEMD9
MEMD16
MEMD3
MEMD2
MEMD5
MEMD6
MEMD4
MEMD0
MEMD1
DA
T
A
1
DA
T
A
0
DA
T
A
2
DA
T
A
3
DA
T
A
7
DA
T
A
8
DA
T
A
10
DA
T
A
9
D
A
TA
11
DA
T
A
6
DA
T
A
16
DA
T
A
17
DA
T
A
21
DA
T
A
19
DA
T
A
20
DA
T
A
18
DA
T
A
12
DA
T
A
4
DA
T
A
5
DA
T
A
14
DA
T
A
13
DA
T
A
15
DA
T
A
24
DA
T
A
22
DA
T
A
23
DA
T
A
28
DA
T
A
29
DA
T
A
26
DA
T
A
27
DA
T
A
30
DA
T
A
32
DA
T
A
34
DA
T
A
33
DA
T
A
35
DA
T
A
31
DA
T
A
38
DA
T
A
44
DA
T
A
36
DA
T
A
42
DA
T
A
37
DA
T
A
41
DA
T
A
39
DA
T
A
43
DA
T
A
40
DA
T
A
45
DA
T
A
48
DA
T
A
49
DA
T
A
52
DA
T
A
51
DA
T
A
47
DA
T
A
53
DA
T
A
50
DA
T
A
46
DA
T
A
54
DA
T
A
55
DA
T
A
56
DA
T
A
57
DA
T
A
58
DA
T
A
59
DA
T
A
60
DA
T
A
61
DA
T
A
62
DA
T
A
63
DA
T
A
25
ADDR1
ADDR2
ADDR3
ADDR4
ADDR5
ADDR6
ADDR17
ADDR1
1
ADDR16
ADDR15
ADDR12
ADDR13
ADDR18
ADDR14
ADDR19
ADDR8
ADDR10
ADDR7
ADDR9
ADDR0
LAA16
LAA15
LAA18
LAA14
LAA13
LAA19
LAA17
LAA12
LAA9
LAA6
LAA2
LAA3
LAA1
1
LAA4
LAA7
LAA10
LAA8
LAA5
LAA0
LAA1
LDD4
LDD3
LDD6
LDD2
LDD1
LDD7
LDD5
LDD0
LDD8
LDD9
LDD1
1
LDD18
LDD19
LDD15
LDD12
LDD14
LDD16
LDD13
LDD17
LDD10
LDD21
LDD28
LDD29
LDD25
LDD22
LDD24
LDD26
LDD23
LDD27
LDD20
LDD30
LDD31
MEMA18
MEMA12
MEMA13
MEMA17
MEMA16
MEMA14
MEMA1
1
MEMA3
MEMA15
MEMA7
MEMA0
MEMA6
MEMA8
MEMA2
MEMA4
MEMA1
MEMA9
MEMA19
MEMA10
MEMA5
PCIADA7
PCIADA4
PCIADA1
PCIADA13
PCIADA1
1
PCIADA10
PCIADA6
PCIADA17
PCIADA0
PCIADA3
PCIADA8
PCIADA31
PCIADA28
PCIADA24
PCIADA30
PCIADA12
PCIADA25
PCIADA29
PCIADA27
PCIADA26
PCIADA21
PCIADA18
PCIADA14
PCIADA20
PCIADA2
PCIADA15
PCIADA19
PCIADA16
PCIADA5
PCIADA9
PCIADA22
PCIADA23
PVDD2
PVDD1
5V
o
lt
AVA
U
X
PLL
_
AUX
BUSSPR
T
3
CAS
3
CKE
3
C
G
RESET
2
,13
CLK
2
,10
PCICLK0
4
,11
PCICLK1
4
,10
DIMM
_
SCK
2
,5
DIMM
_
SDA
2
,5
EEP
_
SCK
2
,8
EEP
_
SDA
2
,8
VCC
W
CTL
2
,7
PIO
_
S
W
2
,13
PME
4
,10
,11
RAS
3
P
W
E1
11
,12
SDCLK0
3
,5
RXD1
2
,6
SDCLK1
3
,5
RT
C
C
L
K
2
,8
R
T
CR/
W
2
,8
R
T
CDA
T
A
2
,8
R
T
CCS
2
,8
SDCS0
3
SDCLK2
3
,5
SDCLK0A
3
SDCS1
3
SDCLK3A
3
SDCLK2A
3
SDCLK1A
3
SDCS2
3
DB
G_
LED1
2
,13
W
DRST
2
,13
DB
G_
LED2
2
,13
S
W
E
3
W
E
3
TXD1
2
,6
SYSCLKA
3
DB
G_
LED0
2
,13
LAB20
6
LACE
3
LED10
N
10
P
W
E2
11
,12
N
MI
2
,13
OE
3
OC1
11
,12
OC2
11
,12
IN
T2
2
,13
ACE
3
DA
T
A
[63:0]
3
ADDR[19:0]
3
LAA[19:0]
6
LDD[31:0]
6
PCIADA[31:0]
4
DB
G_
LED3
2
,13
MEMD[63:0]
3
,5
,6
MEMA[19:0]
3
,5
,6
DMARE
Q
[3:0]
3
D
Q
M[7:0]
3
CE[6:0]
3
PCIBEA[3:0]
4
P1
_GN
D
P2
_GN
D
MAI
N
P
W
B
(TESTPOI
N
T)
5
5
4
4
3
3
21
21
D
D
C
C
B
B
A
A
16/16
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