Service manual
UX-A1000U
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
5 5
4 4
3 3
2 2
1 1
SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SA[9:0]
SA8
SA9
SD0
SD5
SD6
SD3
SD1
SD7
SD4
SD2
SA2
SA8
SA5
SA4
SA7
SA3
SA6
SA1
SA0
SA9
A[5:0]
D1
D4
D2
D6
D3
D0
D5
SD[7:0]
SD0
SD1
SD2
SD3
SD4
SD6
SD7
SD5
A1
A3
A4
A5
D[7:0]
D7
A0
A2
DG DGDG
DG
DG
DGDG
DG
DG
DG DG DG DGDG
DG DG DG DG DG DG DG DG
DG
DG
DGDGDG
DG
+3.3VAS
+3.3VAS
+3.3V
C259
0.1u/50V
R177
1M
C18
0.1u/50V
L104
3
(2125)
C276
C236
220pF/50V
C34
RA13
100
5
1
8
7
6
2
3
4
C266
220pF/50V
C31
C258
0.1u/50V
C265
0.1u/50V
C160
47pF/50V
RA17
100
5
1
8
7
6
2
3
4
C260
0.1u/50V
R2
300
R235
56
RA12
100
5
1
8
7
6
2
3
4
C22
0.1u/50V
C27
C254
0.1u/50V
RA8
33
5
18
7
6
2
3
4
C131
1000pF/50V
RA9
33
5
18
7
6
2
3
4
C248
220pF/50V
C255
0.1u/50V
C268
220pF/50V
32.256MHz
X1
R241
0
C269
220pF/50V
C19
0.1u/50V
C28
C183
3pF/50V
C16
0.1u/50V
RA10
33
5
18
7
6
2
3
4
R199
0
C17
0.1u/50V
C267
220pF/50V
IC12
uPD65944
(ASIC)
11
10
30
29
28
27
24
23
22
21
15
16
65
64
66
2
1
14
4
55
54
53
52
49
48
46
47
45
60
59
58
57
43
42
40
41
36
32
33
34
35
37
98
99
97
18
89
88
87
86
96
95
94
93
92
77
85
84
83
82
78
79
80
13
6
5
8
7
50
44
38
31
56
63
69
67
91
81
76
74
100
20
12
17
70
61
3
71
19
72
73
9
39
25
68
62
75
51
90
26
AMC
SCK
D0
D1
D2
D3
D4
D5
D6
D7
RD_N
WR_N
RAS_N
CAS_N
DWE_N
XOUT
VDD
CS_N
VDD
SA0
SA1
SA2
SA3
SA4
SA5
SA7
SA6
SA8
SD0
SD1
SD2
SD3
SD4
SD5
SD7
SD6
A1
A5
A4
A3
A2
A0
PDAT
PLAT
PCLK
ASICRES
SELECTIN_N
INT_N
STROBE_N
AUTOFD_N
ACK_N
BUSY
PERROR
FAULT_N
SELECT
DATA8
DATA1
DATA2
DATA3
DATA4
DATA7
DATA6
DATA5
INTMAIN_N
CLKMAIN
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
RDY
SMC
DEBUG1
SA9
XIN
DEBUG2
DEBUG4
DEBUG3
TEST
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
GND
C289
C249
1000pF/50V
C15
220u/6.3V
C21
0.1u/50V
R217
100
C237
0.1u/50V
R242
0
C253
0.1u/50V
R218
100
C290
N.M.
RA11
100
5
18
7
6
2
3
4
RA7
100
5
1
8
7
6
2
3
4
C257
0.1u/50V
IC19
MSM51V4800E (4MDRAM)
1
7
8
9
14
15
22
23
28
2
3
4
5
24
25
26
27
10
11
12
13
16
17
18
19
20
6
21
VCC
WE
RAS
A9
VCC
GND
OE
CAS GND
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
A0
A1
A2
A3
A4
A5
A6
A7
A8
NC
NC
C20
0.1u/50V
C25
220pF/50V
x8
C251
220pF/50V
C29
C30
C250
220pF/50V
C26
C256
0.1u/50V
ASICRES
(3-3A)
(1-5I)(2-6A)
(1-6I)
(1-3I)
(2-5A)
(1-3I)(2-3A)
(1-3I)
(1-3A)
(1-3A)
(1-3A)
(1-5A)
(2-3A)
(1-2I)
(3-3A)
A[5:0]
CNPRT-21
CNPRT-18
CNPRT-13
CNPRT-14
CNPRT-20
nSELECTIN
nINIT
nACK
nFAULT
SELECT
BUSY
PERROR
nSTROBE
nAUTOFD
CNPRT-22
CNPRT-17
CNPRT-16
CNPRT-15
CNPRT-9
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
CNPRT-10
CNPRT-11
CNPRT-25
CNPRT-24
CNPRT-19
CNPRT-23
D[7:0]
INT
GACS-
RD-
WR-
WAIT
PDATA
PCLK
PLAT
CLOCK
CNPRT-12
ASIC block 4/7
6 – 4