Read Sharp UP-X500 (serv.man4) Service Manual online
UP-X500U
CIRCUIT DIAGRAM
7 – 23
sin1_uio
COM_EN
sout1
sin1_buffer
dtr2#
sout2
rts2#
ri2#
cts2#
sin2
dsr2#
dcd2#
COM_EN
dtr4#
sout4
rts4#
ri4#
cts4#
sin4
dsr4#
dcd4#
COM_EN
rts1#
sout1
dsr1#
ri1#
COM_EN
dcd1#
cts1#
sin1_buffer
sin1_uio
dtr1#
rts3#
ri3#
dcd3#
sout3
dsr3#
COM_EN
sin3
cts3#
dtr3#
rts1#
dtr2#
dtr1#
com4_sout
com4_dtr#
com4_ri#
com4_dsr#
VCC
+3B
+3B
VCC
VCC
VCC
VCC
VCC3
VCC
PVCC
COM_RI#
18
COM1_IN_BUFFER
30
COM1_OUT
30
COM1_IN_UIO
30
5VON_COM#1
2
9
5VON_COM#2
2
9
SuperI/O
(2/3)
COM1
PS Control
213: 2-3pin
211: 1-2pin
PCP
interface
COM2
COM3
COM4
COM5V Control
5V max 2A
COM5V Control
COM
I/F
SuperI/O
Hardware
Configuration
FWHSEL
Pull-up: FWH memory
Pull-down: LPC memory
MEMEN
Pull-up: decode FWH address
Pull-down: not decode
SYSOPT
Pull-up: 0x04E
Pull-down: 0x02E
ExternalLineDisplayCN
C547
0.1UF
2
1
D16
1SS355
A
K
CN22
53015-0710
1
2
3
4
5
7
6
R301
1K
1
2
C549
0.1UF
2
1
C546
4.7UF(3216)
2
1
C539
0.1UF
2
1
C538
4.7UF(3216)
2
1
D17
1SS355
A
K
CN40
DBR50-09K1300
11
10
5
9
4
8
3
7
2
6
1
D18
1SS355
A
K
C541
0.1UF
2
1
IC48
TPS2013AD
OUT
8
IN
2
OUT
7
IN
3
GND
1
EN
4
OUT
5
OUT
6
IC42B
SIO10N268
GP30/RI3~
34
GP33/TXD3~
37
GP34/DSR3~
38
GP35/RTS3~
39
GP36/CTS3~
40
GP37/DTR3~
41
GP47/DTR4~
50
GP32/RXD3~
36
GP31/DCD3~
35
GP46/CTS4~
48
GP45/RTS4~
47
GP44/DSR4~
46
GP43/TXD4~
45
GP40/RI4~
42
GP42/RXD4~
44
GP41/DCD4~
43
GP56/CTS2~
96
GP55/RTS2~
95
GP54/DSR2~
94
GP53/TXD2/IRTX
93
GP52/RXD2/IRRX
92
GP51/DCD2~
91
GP50/RI2~
90
DCD1~
89
RI1~
88
DTR1~/FWHSEL
87
CTS1~
86
RTS1~/SYSOPT
85
DSR1~
84
TXD1
83
RXD1
82
GP57/DTR2~/MEMEN
97
IC46
TPS2013AD
OUT
8
IN
2
OUT
7
IN
3
GND
1
EN
4
OUT
5
OUT
6
C543
0.1UF
2
1
C542
0.1UF
2
1
C550
0.1UF
2
1
JR36
0(23)
1
3
2
C540
0.1UF
2
1
IC49
HIN213
C1+
12
C1-
14
C2+
15
C2-
16
T1IN
7
T2IN
6
T3IN
20
R1OUT
8
R2OUT
5
R3OUT
26
R4OUT
22
R5OUT
19
EN
24
SHDN#
25
GND
10
R5IN
18
R4IN
23
R3IN
27
R2IN
4
R1IN
9
T3OUT
1
T2OUT
3
T1OUT
2
V-
17
V+
13
VCC
11
T4IN
21
T4OUT
28
C548
0.1UF
2
1
C535
0.1UF
2
1
C536
0.1UF
2
1
C530
0.1UF
2
1
C545
0.1UF
2
1
C544
0.1UF
2
1
C529
0.1UF
2
1
C537
0.1UF
2
1
C534
0.1UF
2
1
IC47
HIN213
C1+
12
C1-
14
C2+
15
C2-
16
T1IN
7
T2IN
6
T3IN
20
R1OUT
8
R2OUT
5
R3OUT
26
R4OUT
22
R5OUT
19
EN
24
SHDN#
25
GND
10
R5IN
18
R4IN
23
R3IN
27
R2IN
4
R1IN
9
T3OUT
1
T2OUT
3
T1OUT
2
V-
17
V+
13
VCC
11
T4IN
21
T4OUT
28
C528
0.1UF
2
1
IC43
HIN213
C1+
12
C1-
14
C2+
15
C2-
16
T1IN
7
T2IN
6
T3IN
20
R1OUT
8
R2OUT
5
R3OUT
26
R4OUT
22
R5OUT
19
EN
24
SHDN#
25
GND
10
R5IN
18
R4IN
23
R3IN
27
R2IN
4
R1IN
9
T3OUT
1
T2OUT
3
T1OUT
2
V-
17
V+
13
VCC
11
T4IN
21
T4OUT
28
CN38
DBR50-09K1300
11
10
5
9
4
8
3
7
2
6
1
IC45
HIN213
C1+
12
C1-
14
C2+
15
C2-
16
T1IN
7
T2IN
6
T3IN
20
R1OUT
8
R2OUT
5
R3OUT
26
R4OUT
22
R5OUT
19
EN
24
SHDN#
25
GND
10
R5IN
18
R4IN
23
R3IN
27
R2IN
4
R1IN
9
T3OUT
1
T2OUT
3
T1OUT
2
V-
17
V+
13
VCC
11
T4IN
21
T4OUT
28
C533
0.1UF
2
1
C524
0.1UF
2
1
C525
0.1UF
2
1
C532
0.1UF
2
1
C531
0.1UF
2
1
C526
0.1UF
2
1
CN41
657PU-8-SD
1
2
3
4
5
6
7
8
R299
20K
1
2
C527
10UF(3216)
2
1
R300
100K
1
2
D14
1SS355
A
K
D15
1SS355
A
K
R298
10K
1
2
Q17
DTC124XUA
B
E
C
JR41
100K(23)
1
3
2
CN39
DBR50-09K1300
11
10
5
9
4
8
3
7
2
6
1
JR40
100K(12)
1
3
2
F9
miniSMDC100
JR39
100K(23)
1
3
2
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
23/33
Super I/O COM x4
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