Read Sharp UP-X500 (serv.man4) Service Manual online
UP-X500U
CIRCUIT DIAGRAM
7 – 14
mra
fs0
sson
sr0
sr0
sson
fs0
mra
AGND_VGA
AGND_VGA
VCC2.5
AGND_VGA
VCC2.5
AGND_VGA
VCC2.5
VCC3
VCC2.5
VCC3
AGND_VGA
VCC2.5
VCC3
AGND_VGA
VCC3
PVCC
PVCC
AGND_VGA
CLK_OSC14M_VGA
5
5
CLK_VGA
5
5
CLOCK
VGAconnector
CRT I/F
NorthBridge
(5/6)
FB11
ACB1608L-030
F
1
B
2
R21
0
1
2
R22
4.7K
1
2
IC4
P2160A-08SR
CLKIN
1
FS0
2
MRA
3
VSS
4
VDD
8
SR0
7
ModOUT
6
SSON
5
R8
22
1
2
C32
1000PF
2
1
FB5
ACB1608L-030
F
1
B
2
R20
4.7K
1
2
C31
1UF(2125)
2
1
R18
4.7K
1
2
R16
160
1
2
C781
56PF
2
1
FB6
ACB1608L-030
F
1
B
2
FB4
ACB1608L-030
F
1
B
2
C34
0.1UF
2
1
FB13
ACB1608L-030
F
1
B
2
FB7
ACB1608L-030
F
1
B
2
R3
1.8K
1
2
FB12
ACB1608L-030
F
1
B
2
R15
4.7K
1
2
R17
0
1
2
D2
UMP1N
1
3
4
6
3
4
6
2
FB10
ACB1608L-030
F
1
B
2
R4
1.8K
1
2
C33
0.1UF
2
1
FB8
ACB1608L-030
F
1
B
2
D1
UMN1N
1
3
4
6
2
C26
220PF
2
1
C21
22PF
2
1
C27
22PF
2
1
C22
22PF
2
1
R12
75(+-1%)
1
2
R13
75(+-1%)
1
2
C18
27PF
2
1
R11
75(+-1%)
1
2
R5
100
1
2
R10
1K
1
2
C17
10PF
2
1
R6
100
1
2
R7
0
1
2
FB9
ACB1608L-030
F
1
B
2
C28
47PF
2
1
C23
47PF
2
1
C25
56PF
2
1
R9
1K
1
2
C24
56PF
2
1
IC1D
VT8623_North_Bridge
TVCLKR
C3
CAPCLK
E3
CAPD0
D4
CAPD1
D3
CAPD2
D2
CAPD3
D1
CAPD4
E2
CAPD5
E1
CAPD6
E4
CAPD7
F4
GNDDAC
D11
GNDRGB
B11
PLLGNDA1
A12
PLLGNDA2
C12
PLLGNDA3
A13
VCCDAC
C11
VCCRGB
D10
PLLVDD1
B12
PLLVDD2
D12
PLLVDD3
C13
AR
C10
AG
B10
AB
A10
RSET
A11
HSYNC
A9
VSYNC
B9
SPCLK2
A8
SPD2
C9
STPAGP
C8
AGPBUSY
B8
DISPCLKI
H4
DISPCLKO
J4
SPCLK1
E9
SPD1
D9
GCLK
P4
XIN
E12
GSTANDBY
A7
C30
1000PF
2
1
R14
1K
1
2
C20
220PF
2
1
C29
1UF(2125)
2
1
C35
0.1UF
2
1
FB14
ACB1608L-030
F
1
B
2
R23
4.7K
1
2
C19
0.1UF
2
1
CN3
DHR20-15K1100
15
5
7
10
14
6
4
9
2
13
3
8
1
12
11
R19
0
1
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
14/33
Nor
th CR
T I/F
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