ViewSonic VX924 Service Manual page 79

Viewsonic 19” color tft lcd display
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Extrenal ROM Download Connector
JP3
20321-06-SMD/NC
SPI_SCK
SPI_SI
6
5
6
5
SPI_CS
SPI_SO
4
3
4
3
RESET
2
1
2
1
DGND
External ROM
3.3V
U3
SPI EEPROM
SPI_CS
1
8
CS
VCC
SPI_SO
2
7
SO
HOLD
3
6
SPI_SCK
WP
SCK
4
5
SPI_SI
GND
SI
SPI_AT25F512
DGND
RESET circuit
3.3V
D1
1SS355/NC
RESET
C5
10uF/8
DGND
CONFIG SETTING
3.3V
R14
1K/6
OD_EN
R15
1K/6/NC
SEL_ROM_2
R16
1K/6/NC
SEL_ROM_1
R17
1K/6/NC
TAB_SEL_0
R18
1K/6/NC
TAB_SEL_1
R19
1K/6/NC
TAB_SEL_2
SDRAM1_3.3V
SDRAM1_3.3V
U6
U7
1
50
1
Vcc
Vss
Vcc
D_E_SD1_ B3
2
49
D_O_SD1 _B3
2
DQ0
DQ15
DQ0
D_E_SD1_ B4
3
48
D_E_SD1_ R7
D_O_SD1 _B4
3
DQ1
DQ14
DQ1
4
47
4
VssQ
VssQ
VssQ
D_E_SD1_ B5
5
46
D_E_SD1_ R6
D_O_SD1 _B5
5
DQ2
DQ11
DQ2
D_E_SD1_ B6
6
45
D_E_SD1_ R5
D_O_SD1 _B6
6
DQ3
DQ10
DQ3
7
44
7
VccQ
VccQ
VccQ
D_E_SD1_ B7
8
43
D_E_SD1_ R4
D_O_SD1 _B7
8
DQ4
DQ11
DQ4
D_E_SD 1_G3
D_E_SD1_ R3
D_O_S D1_G3
9
42
9
DQ5
DQ10
DQ5
10
41
10
VssQ
VssQ
VssQ
D_E_SD 1_G4
D_E_SD 1_G7
D_O_S D1_G4
11
40
11
DQ6
DQ9
DQ6
D_E_SD 1_G5
D_E_SD 1_G6
D_O_S D1_G5
12
39
12
DQ7
DQ8
DQ7
13
38
13
VccQ
VccQ
VccQ
SD_DQ M0
SD_DQ M0
14
37
14
LDQM
NC
LDQM
SD1_WE
SD_DQ M0
SD1_WE
15
36
15
WE
UDQM
WE
UDQM
SD_CAS
16
35
SDRAM_CLOCK
SD_CAS
16
CAS
CLK
CAS
SD_RAS
17
34
SD_RAS
17
RAS
CKE
RAS
SD_CS
18
33
SD_CS
18
CS
NC
CS
SD_BA0
19
32
SD_A9
SD_BA0
19
BA
A9
BA
SD_A1 0
20
31
SD_A8
SD_A1 0
20
A10
A8
A10
SD_A0
21
30
SD_A7
SD_A0
21
A0
A7
A0
SD_A1
22
29
SD_A6
SD_A1
22
A1
A6
A1
SD_A2
23
28
SD_A5
SD_A2
23
A2
A5
A2
SD_A3
24
27
SD_A4
SD_A3
24
A3
A4
A3
25
26
25
Vcc
Vss
Vcc
DRAM_16M
DRAM_16M
DGND
ViewSonic Corporation
JP1
RXO0-
RXO0+
1
2
1
2
RXO1-
3
4
RXO1+
3
4
RXO2-
5
6
RXO2+
5
6
7
8
LVDS_3.3V
7
8
RXOC-
9
10
RXOC+
9
10
RXO3-
11
12
RXO3+
11
12
RXE0-
13
14
RXE0+
13
14
15
16
15
16
RXE1-
17
18
RXE1+
17
18
RXE2-
19
20
RXE2+
19
20
RXEC-
RXEC+
5V
21
22
21
22
RXE3-
RXE3+
23
24
23
24
25
26
25
26
27
28
27
28
29
30
29
30
1841 30P
LVDS_GND
LVDS_GND
R3
R4
100/6 1%
100/6 1%
RXO0-
RXO0+
RXO1-
RXO1+
RXO2-
RXO2+
RXOC-
RXOC+
RXO3-
RXO3+
R5
R6
R7
100/6 1%
100/6 1%
100/6 1%
R9
R10
100/6 1%
100/6 1%
RXE0-
RXE0+
RXE1-
RXE1+
RXE2-
RXE2+
RXEC-
RXEC+
RXE3-
RXE3+
R11
R12
R13
100/6 1%
100/6 1%
100/6 1%
LVDS_GND
SEL_ROM_1
SEL_ROM_2
RESET
TAB_SEL_1
TAB_SEL_2
TAB_SEL_0
OD_EN
SPI_SCK
SPI_SI
SPI_CS
SPI_SO
50
Vss
49
DQ15
48
D_O_SD1 _R7
DQ14
47
VssQ
46
D_O_SD1 _R6
DQ11
45
D_O_SD1 _R5
DQ10
44
VccQ
43
D_O_SD1 _R4
DQ11
D_O_SD1 _R3
42
DQ10
41
VssQ
D_O_S D1_G7
40
DQ9
D_O_S D1_G6
39
DQ8
38
VccQ
37
NC
SD_DQ M0
36
35
SDRAM_CLOCK
CLK
34
CKE
33
NC
32
SD_A9
R20
0/1206
A9
31
SD_A8
A8
30
SD_A7
A7
29
SD_A6
A6
DGND
28
SD_A5
A5
LVDS_GND
27
SD_A4
A4
26
Vss
DGND
Confidential - Do Not Copy
76
TXO0-
TXO1-
TXO2-
TXOC-
TXO3-
TXE0-
TXE1-
TXE2-
TXEC-
TXE3-
LVDS_GND
OD_3.3V
1
LVDS_VCC
2
LVDS_VCC
3
LVDS_VCC
ODD_SD2_G6
4
Transmitter_ODD
Transmitter_EVEN
O_SD2_BR
RXO0-
ODD_SD2_G5
5
RXO0+
ODD_SD2_G4
6
RXO1-
ODD_SD2_G3
7
RXO1+
ODD_SD2_B7
8
RXO2-
ODD_SD2_B6
9
RXO2+
ODD_SD2_B5
10
RXOC-
ODD_SD2_B4
11
RXOC+
ODD_SD2_B3
12
RXO3-
EVEN_SD2_R7
13
RXO3+
14
LVDS_GND
15
LVDS_GND
16
LVDS_GND
EVEN_SD2_R6
17
LVDS_GND
EVEN_SD2_R5
18
LVDS_VCC
EVEN_SD2_R4
19
LVDS_VCC
EVEN_SD2_R3
20
LVDS_VCC
EVEN_SD2_G7
21
RXE0-
EVEN_SD2_G6
22
RXE0+
EVEN_SD2_G5
23
RXE1-
EVEN_SD2_G4
24
VTIO3601
RXE1+
25
RXE2-
26
RXE2+
27
RXEC-
EVEN_SD2_G3
28
RXEC+
EVEN_SD2_B7
29
RXE3-
EVEN_SD2_B6
30
RXE3+
EVEN_SD2_B5
31
LVDS_GND
EVEN_SD2_B4
32
LVDS_GND
EVEN_SD2_B3
33
LVDS_GND
SDRAM_2_WE
34
LVDS_GND
35
RESERVED
36
RESERVED
37
SEL_ROM_1
38
SEL_ROM_2
39
RSTN
40
TAB_SEL_1
41
TAB_SEL_2
42
TAB_SEL_0
43
OD_EN
44
SPI_CLK
45
SPI_SI
SDRAM_A10
46
SPI_CS
47
SPI_SO
SDRAM_BA1
48
PAD_TEST
49
E_SD1_ B
E_SD1_ G
E_SD1_R
O_SD1_ B
O_SD1_G
O_SD1_R
PAD_TCLK
SDRAM_BA0
50
RESERVED
51
VCC
52
GND
DGND
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
PR11
PR12
PR13
PR15
PR16
PR9
PR10
PR14
33x4
33x4
33x4
33x4
33x4
33x4
33x4
33x4
5 6 7 8
5 6 7 8
5 6 7 8
5 6 7 8
5 6 7 8
5 6 7 8
5 6 7 8
5 6 7 8
VX924
JP2
SDRAM2_3.3V
1
2
TXO0+
1
2
3
4
TXO1+
3
4
5
6
TXO2+
5
6
7
8
7
8
9
10
TXOC+
9
10
TXO3+
11
12
11
12
TXE0+
13
14
D_O_SD2_G5
13
14
15
16
D_O_SD2_G4
15
16
TXE1+
17
18
17
18
TXE2+
19
20
D_O_S D2_G3
19
20
TXEC+
D_O_SD2 _B7
21
22
21
22
TXE3+
23
24
23
24
5V
D_O_SD2 _B6
25
26
25
26
D_O_SD2 _B5
27
28
27
28
29
30
29
30
D_O_SD2 _B4
D_O_SD2 _B3
20321-30-SMD
SD_D QM1
SD2_WE
LVDS_GND
PR1
SD_CAS
1
8
SD_RAS
O_SD2_R 7
2
7
D_O_SD2 _R7
SD_CS
O_SD2_R 6
3
6
D_O_SD2 _R6
SD_BA0
O_SD2_R 5
4
5
D_O_SD2 _R5
SD_A10
33x4
SD_A0
SD_A1
PR2
SD_A2
O_SD2_R 4
D_O_SD2 _R4
SD_A3
1
8
O_SD2_R 3
D_O_SD2 _R3
2
7
O_SD2 _G7
D_O_S D2_G7
3
6
O_SD2 _G6
D_O_S D2_G6
4
5
33x4
U4
VTIO3601_LQFP
PR3
O_SD2 _G5
1
8
D_O_S D2_G5
O_SD2 _G4
2
7
D_O_S D2_G4
SDRAM2_3.3V
O_SD2 _G3
3
6
D_O_S D2_G3
O_SD2_B 7
4
5
D_O_SD2 _B7
156
33x4
VCC
155
GND
O_SD2 _G6
PR4
154
O_SD2 _G5
O_SD2_B 6
D_O_SD2 _B6
153
1
8
O_SD2 _G4
O_SD2_B 5
D_O_SD2 _B5
D_E_S D2_G5
152
2
7
O_SD2 _G3
O_SD2_B 4
D_O_SD2 _B4
D_E_S D2_G4
151
3
6
O_SD2_B 7
O_SD2_B 3
D_O_SD2 _B3
150
4
5
O_SD2_B 6
33x4
D_E_S D2_G3
149
O_SD2_B 5
D_E_SD2 _B7
148
147
O_SD2_B 4
146
O_SD2_B 3
D_E_SD2 _B6
145
E_SD2_R 7
D_E_SD2 _B5
144
RESERVED
143
PR5
D_E_SD2 _B4
VCC
142
1
8
D_E_SD2 _B3
GND
141
E_SD2_R 6
E_SD2_R7
2
7
D_E_SD2_ R7
140
E_SD2_R 5
E_SD2_R6
3
6
D_E_SD2_ R6
SD_D QM1
139
E_SD2_R 4
E_SD2_R5
4
5
D_E_SD2_ R5
SD2_WE
138
E_SD2_R 3
33x4
SD_CAS
E_SD2 _G7
SD_RAS
137
E_SD2 _G6
SD_CS
136
E_SD2 _G5
PR6
SD_BA0
135
E_SD2 _G4
E_SD2_R4
D_E_SD2_ R4
SD_A10
134
1
8
E_SD2_R3
D_E_SD2_ R3
SD_A0
133
2
7
RESERVED
E_SD2_ G7
D_E_SD 2_G7
SD_A1
132
3
6
VCC
131
E_SD2_ G6
4
5
D_E_SD 2_G6
SD_A2
GND
130
E_SD2 _G3
33x4
SD_A3
129
E_SD2_B 7
128
E_SD2_B 6
127
E_SD2_B 5
PR7
126
E_SD2_B 4
E_SD2_ G5
1
8
D_E_SD 2_G5
125
E_SD2_B 3
E_SD2_ G4
2
7
D_E_SD 2_G4
124
SD2_WE
E_SD2_ G3
3
6
D_E_SD 2_G3
123
E_SD2_B7
4
5
D_E_SD2_ B7
RESERVED
122
33x4
VCC
121
GND
PR8
120
RESERVED
SD_A3
E_SD2_B6
D_E_SD2_ B6
119
1
8
SDRAM_A3
SD_A2
E_SD2_B5
D_E_SD2_ B5
118
2
7
SDRAM_A2
SD_A4
E_SD2_B4
D_E_SD2_ B4
117
3
6
SDRAM_A4
SD_A1
E_SD2_B3
D_E_SD2_ B3
116
4
5
SDRAM_A1
SD_A5
33x4
115
SDRAM_A5
114
SD_A0
SDRAM_A0
113
SD_A6
SDRAM_A6
112
SD_A1 0
111
SD_A7
SDRAM_A7
110
109
SD_A8
SDRAM_A8
108
SD_BA0
107
SD_A9
SDRAM_A9
106
VCC
105
GND
3.3V
L2
CX00080 0000/8
DGND
3.3V
L3
CX00080 0000/8
R21
LVDS_GND
33/6
3.3V
L4
CX00080 0000/8
DGND
3.3V
SDRAM2_3.3V
L5
CX00080 0000/8
DGND
U2
1
50
Vcc
Vss
2
49
DQ0
DQ15
3
48
D_O_SD2_G6
DQ1
DQ14
4
47
VssQ
VssQ
5
46
D_O_SD2_G7
DQ2
DQ11
D_O_SD2_R3
6
45
DQ3
DQ10
7
44
VccQ
VccQ
D_O_SD2_R4
8
43
DQ4
DQ11
D_O_SD2_R5
9
42
DQ5
DQ10
10
41
VssQ
VssQ
D_O_SD2_R6
11
40
DQ6
DQ9
D_O_SD2_R7
12
39
DQ7
DQ8
13
38
VccQ
VccQ
14
37
LDQM
NC
15
36
SD_DQM1
WE
UDQM
16
35
SDRAM_CLOCK
CAS
CLK
17
34
RAS
CKE
18
33
CS
NC
19
32
SD_A9
BA
A9
20
31
SD_A8
A10
A8
21
30
SD_A7
A0
A7
SD_A6
22
29
A1
A6
SD_A5
23
28
A2
A5
SD_A4
24
27
A3
A4
25
26
Vcc
Vss
DRAM_16M
DGND
U5
1
50
Vcc
Vss
2
49
DQ0
DQ15
D_E_S D2_G6
3
48
DQ1
DQ14
4
47
VssQ
VssQ
D_E_S D2_G7
5
46
DQ2
DQ11
D_E_SD2 _R3
6
45
DQ3
DQ10
7
44
VccQ
VccQ
8
43
D_E_SD2 _R4
DQ4
DQ11
9
42
D_E_SD2 _R5
DQ5
DQ10
10
41
VssQ
VssQ
11
40
D_E_SD2 _R6
DQ6
DQ9
12
39
D_E_SD2 _R7
DQ7
DQ8
13
38
VccQ
VccQ
14
37
LDQM
NC
15
36
SD_D QM1
WE
UDQM
16
35
SDRAM_CLOCK
CAS
CLK
17
34
RAS
CKE
18
33
CS
NC
SD_A9
19
32
BA
A9
SD_A8
20
31
A10
A8
SD_A7
21
30
A0
A7
SD_A6
22
29
A1
A6
23
28
SD_A5
A2
A5
24
27
SD_A4
A3
A4
25
26
Vcc
Vss
DRAM_16M
DGND
OD_3.3V
DGND
LVDS_3.3V
LVDS_GND
SDRAM1_3.3V
VTIO3601_16Mbx4 Ref. Circuit
Title
Size
Document Number
Rev
A1
<Doc>
Date:
Friday, February 25, 2005
Sheet
2
of
2

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