Acer AL718 Schematic

10. SCHEMATIC DIAGRAM
10. 1 Main Board
SCHEMATIC
1. CONTENTS
2. TOP LEVEL
3. INPUT CONNECTOR
4. gm2120
5. DISPLAY
6.LVDS IF
SHEET
1
2
3
4
5
6
AL718 10-1
Input Connector
RED+
RED-
GREEN+
GREEN-
BLUE+
BLUE-
RED+
RED-
GREEN+
GREEN-
BLUE+
BLUE-
gm2120
RED+
RED-
GREEN+
GREEN-
BLUE+
BLUE-
3 O P G
ER[0..7]
EG[0..7]
EB[0.. 7]
OR[0..7]
OG[0..7]
OB[0..7]
DVS
DHS
DEN
DCLK
ER[0..7]
EG[0..7]
EB[0.. 7]
OR[0..7] OG[0..7]
OB[0..7]
DVS
DHS
DEN
DCLK
LVDS_I F
DVS
DHS
DEN
DCLK
PPWR
GPO3
6. LVDS_IF
Display
ER[0..7]
EG[0..7]
EB[0.. 7]
OR[0..7]
OG[0..7]
OB[0..7]
DBBLU[ 0..7]
DBGRN[0..7]
DBRED[0..7]
DABLU[ 0..7]
DAGRN[0..7]
DARED[0..7]
DARED[0..7]
DAGRN[0..7]
DABLU[ 0..7]
DBRED[0..7]
DBGRN[0..7]
DBBLU[ 0..7]
]
]
]
]
7
. .
0
[
D E R A D
]
]
7
7
7
.
.
7
.
7
.
.
.
.
.
.
.
0
0
0
[
[
[
0
0
[
[
N
N
D
U
U
E
R
R
L
L
R
G
G
B
B
B
B
A
B
A
D
D
D
D
D
3. Input Connector
AL718 10-2
HCLK
HFSn
HS
VS
HS
VS
HCLK
HFSn
HS
VS
HCLK
HFSn
4. gm 2120
Mut e
LCD_ON/OF F
GPIO10
GPIO9
GPIO8/IRQINn
GPIO21/IRQn
GPIO7
GPIO6
GPIO3/TIMER1
GPIO2/PWM2
GPIO1/PWM1
GPIO0/PWM0
PPWR
PBIAS
PPWR
LCD_ON/OF F
GPIO10
GPIO9
GPIO8/IRQINn
GPIO21/IRQn
GPIO7
GPIO6
GPIO3/TIMER1
GPIO2/PWM2
GPIO1/PWM1
GPIO0/PWM0
PBIAS
Mut e
LCD_ON/ OFF
GPIO10
GPIO9
GPIO8/IRQINn
GPIO21/IRQn
GPIO7
GPIO6
GPIO3/TIMER1
GPIO2/PWM2
GPIO1/PWM1
GPIO0/PWM0
PBIAS
5. D isplay
H5
1
MTH276D126
GND
GND
H6
1
MTH276D126
H7
1
MTH276D126
GND
H8
1
MTH276D126
GND
GND
DAN202U
D9
3
GND
CN2
1
+
3
+
5
+
7
+
9
+ + +
VGA INPUT
R110
D4
5.6V
+ + + + + + +
47K/6
2
3
1
2
4
6
8
10
12
14
VGA 5V
R100
47K/6
3
D3
5.6V
1
GND
BLUE+IN
GREEN+IN
RED+IN
VGA VSYNC
VGA_SDA
VGA 5V
VGA_SDA1
VGA_SCL1
R106 100/6
R102 100/6
+5V
1
C144
0.1u/6
GND
U11
1
2
3
4
GND
VCCA0
A1A2WP
SCL
SDA
GND
AT24C02-10SC-1.8
BLUE-IN
GREEN-IN
RED-IN
VGA_HSYNC
GND
VGA_SCL
8
7
6
5
11
13
VGA_SDA
VGA_SCL
HFSn 4
HCLK 4
RED+IN
RED-IN
GREEN+IN
GREEN-I N
BLUE+IN
BLUE-IN
VGA VSYNC
VGA_HSYNC
GND
R72
510/6
C131 0.01u/ 6
C130 0.01u/ 6
C114 0.01u/ 6
C112 0.01u/ 6
C109 0.01u/ 6
C105 0.01u/ 6
R62 22/6
R69 22/6
GND
3
1
H1
2
3
4
5
MTH276D126
RED+ 4
RED- 4
GREEN+ 4
GREEN- 4
BLUE+ 4
BLUE- 4
HS 4
U18
1
2
H4
1
MTH27 6D1 26
3
4
5
6
8
9
9
8
7
6
3
D1
C99
5.6V
47p/6
9
8
7
1
6
GND
C104
D2
47p/6
5.6V
1
H3
2
3
4
1
5
MTH276D126
R65
0/6
9
8
7
6
2
3
4
5
GND
6A
1A
6B
1Y
5A
2A
5B
2Y
3A 3Y
VCC
4Y
GND
4A
SN74LVC14A/NS
GND
13
12
11
10
14
7
R68
0/6
+3.3 V
1
C155
0.1u/6
GND
2
GND
VS 4
R97 22/6
R95 56/6
R91 22/6
R88 56/6
R86 22/6
R77 56/6
GND
R96
75/6
GND
R90
75/6
R85
75/6
H2
9
2
8
3
7
4
1
6
5
MTH276D126
GND
GND
AL718 10-3
500m A
500m A
500m A
+3.3V
+3.3V
+2.5V
L10
CX000800000/1206
L11
CX000800000/1206
L13
CX000800000/1206
RMADDR[0..15]
RMADDR14
RMADDR9
RMADDR8
C69
22u/6.3V
GND
C80
22u/6.3V
GND
C94
22u/6.3V
GND
R75 10K/6
R67 10K/6
R66 10K/6
C98
0.1u/6
C101
0.1u/6
C97
0.1u/6
RM-1 4
OCM-STA RT
H-PORT -EN
C111
0.1u/6
C118
0.1u/6
C108
0.1u/6
3.3V_DVDD
C82
0.1u/6
3.3V_DVDD
C121
0.1u/6
C120
C100
0.1u/6
C126
0.1u/6
GND
0.1u/6
C110
0.1u/6
1
2
A1A2WP
3
4
GND
AT24C16-10SC-1.8
A16
C103
0.1u/6
C74
0.1u/6
U4
VCCA0
SCL
SDA
R84 0/6
+5V
+5V
C85
0.1u/6/N S
8
7
6
5
C96
0.1u/6
C117
0.1u/6
2.5V_VDD
C95
0.1u/6
+5V
GND
R83
10K/6
R52 10K/6
+5V
1
2
GND
DEBUG CONNECTOR
C88
0.1u/6
3.3V_AVDD
C119
0.1u/6
R29
10K/6
+5V
RMADDR15
RMADDR10
RMADDR8
RMADDR5
RMADDR4
RMADDR1
RMADDR0
FOR DEBUG PORT
JP1
1
12
3
34
4-P/NS
C73
0.1u/6
R28
10K/6
GPIO13/NVR AM_SCL
GPIO12/NVR AM_SDA
R8110K/6
RMADDR14 RMADDR13
RMADDR12
RMADDR11
RMADDR9
RMADDR7
RMADDR6
RMADDR3
RMADDR2
FLASH_OEn
R42
47K/6
2
4
C91
33p/6
C75
0.1u/6
U7 AT49HF/F010-45JC
31
30
2
3
29
28
4
25
23
26
27
5
6
7
8
9
10
11
12
24
22
32-Pin PLCC So cke t
GND
+5V
1
1
2
2
1
1
2
2
GND
C93
0.1u/6
WE
NC/A17 A16
A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
OE
CE
R39
47K/6
GPIO4/UAR T_DI
GPIO5/UAR T_DO
C84
33p/6
3.3V_AVDD
DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0
NC
VCC
GND
C76
0.1u/6
C102
5p/6
21
20
19
18
17
15
14
13
1
32
16
R136 22/6
R137 22/6
C78
0.1u/6
X1
14.318MHz
RMDATA7
RMDATA6
RMDATA5
RMDATA4
RMDATA3
RMDATA2
RMDATA1
RMDATA0
+5V
GND
3.3V_AVDD
R82
0/6
R
W
/
]
7
. .
0
[ A T A D M R
HFSn
HCLK
3.3V_AVDD
C107
5p/6
RMADDR15
RMADDR13
RMADDR12
RMADDR11
RMADDR8
RMADDR7
RMADDR2
RMDATA6
RMDATA4
RMDATA3
RMDATA1
ROM_OEn
HFSn3
HCLK3
RMADDR14
RMADDR10
RMADDR9
RMADDR6
RMADDR5
RMADDR4
RMADDR3
RMADDR1
RMADDR0
RMDATA7
RMDATA5
RMDATA2
RMDATA0
PPWR6
PBIAS5
MUTE5,6
LCD_ON/OFF5
+5V
RED+3
RED-3
GREEN+3
GREEN-3
BLUE+3
BLUE-3
HS3
VS3
+5V
C106
0.1u/6
GND
R130 10K/6/NS
HFSn
HCLK
GND
3.3V_DVDD
Res e t Circuit
TCLK
XTAL
A16
/RESET
R127
10K/6
R93 1K/6
R128
22/6
1
C157 12p/4
2
GND
3.3V_DVDD
3
C C V
D N G
1
GND
GND
OUT
141
146
150
199
175
178
184
190
197
198
157
158
161
165
169
149
145
140
113
114
152
151
205
204
171
170
167
166
163
162
137
136
194
195
179
180
185
186
191
192
174
1%
gm2120
PQFP208
2
U10
MAX809_1
U8
AVDD_DD DS AVDD_SDD S AVDD_RPLL
173
RESERVED
181
RESERVED
187
RESERVED
193
RESERVED
196
RESERVED
164
AVDD_BLUE
168
AVDD_GREE N
172
AVDD_RED
160
AVDD_ADC
VDD_RXPLL_2.5
AGND_IMB AGND_RX2 AGND_RX1 AGND_RX0 AGND_RXC AGND_RXPLL SGND_ADC AGND_ADC AGND_BLUE AGND_GREEN AGND_RED AVSS_RPLL AVSS_SDDS AVSS_DDDS
PPWR PBIAS
TCLK XTAL
206
GPIO20
207
GPIO19
208
GPIO18
1
GPIO17 GPIO16/HFSn GPIO22/HCLK
6
DDC_SCL
7
DDC_SDA
5
RESETn
50
GPIO11/ROM_WEn
RED+ RED­GREEN+ GREEN­BLUE+ BLUE­HSYNC VSYNC
159
ADC_TEST
RXC+ RXC­RX2+ RX2­RX1+ RX1­RX0+ RX0-
REXT
8
ROM_ADDR15
9
ROM_ADDR14
10
ROM_ADDR13
11
ROM_ADDR12
12
ROM_ADDR11
13
ROM_ADDR10
14
ROM_ADDR9
15
ROM_ADDR8
16
ROM_ADDR7
17
18
ROM_ADDR6 ROM_ADDR5
19
ROM_ADDR4
22
23
ROM_ADDR3 ROM_ADDR2
24
25
ROM_ADDR1 ROM_ADDR0
28
ROM_DATA7
29
ROM_DATA6
30
ROM_DATA5
31
32
ROM_DATA4 ROM_DATA3
33
34
ROM_DATA2
35
ROM_DATA1 ROM_DATA0
36
ROM_OEn
2.5V_VDD
5
3
5
5
1
1
5 . 2 _
C D A
_ 2 D D V
3.3V_A
AGN D
S
S
S
S
S
S
V
V
V
R
R
R
1
8
4
3
2
3
5
GND
/RESET
4
3
6
2
8
6
8
3
0
7
8
8
2
8
1
2
1
1
1
5
5
5
5
D
D
D
.
.
.
.
E
E
E
2
2
2
2
_
_
_
_
V
V
V
D
D
D
C
R
R
R
E
E
E
D
D
D
D
S
S
S
V
V
V
A _
E
E
E
C
C
C
1
R
R
R
D D V
S
S
S
S
S
S
S
S
S
S
S
S
S
S
V
V
V
V
V
V
V
C
R
R
R
R
R
R
2
0
8
2
8
1
3
9
7
6
8
9
1
1
8
2
3.3V_DVDD
1
0
3
7
1
7
2
5
6
8
3
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
R
R
R
R
R
GPIO10/TC ON_ROE3
GPIO9/TCON _ROE2
GPIO13/NVRAM_SCL GPIO12/NVR AM_SDA
GPIO7/TCON_TDI V GPIO6/TCON _SHC
Int_Test
L
0
1
2
L
X
X
X
P
R
R
R
D
_
_
_
_
D
D
D
S
N
N
N
S V
G
G
G
3
9
7
8
8
4
1
1
1
9
7
1
2
9
1
1
D
D
D
D
D
D
D
D
V
V
V
V
R
R
R
R
PD47/OB7 PD46/OB6 PD45/OB5 PD44/OB4 PD43/OB3 PD42/OB2 PD41/OB1 PD40/OB0
PD39/OG7 PD38/OG6 PD37/OG5 PD36/OG4 PD35/OG3 PD34/OG2 PD33/OG1 PD32/OG0
PD31/OR7 PD30/OR6 PD29/OR5 PD28/OR4 PD27/OR3 PD26/OR2 PD25/OR1 PD24/OR0
PD23/EB7 PD22/EB6 PD21/EB5 PD20/EB4 PD19/EB3 PD18/EB2 PD17/EB1 PD16/EB0
PD15/EG7 PD14/EG6 PD13/EG5 PD12/EG4 PD11/EG3 PD10/EG2
PD9/EG1 PD8/EG0
PD7/ER7 PD6/ER6 PD5/ER5 PD4/ER4 PD3/ER3 PD2/ER2 PD1/ER1 PD0/ER0
TCON _OSP
TCON _OPO L
TCON _OI NV
TCON_ESP
TCON_EPOL
TCON _EI NV TCON_RSP2 TCON_RSP3 TCON_RCLK
TCON_ROE
GPIO4/UAR T_D1 GPIO5/UAR T_D0
GPIO8/IRQINn
GPIO21/IR Qn
GPIO3/TI MER1
GPIO2/PWM2 GPIO1/PWM1 GPIO0/PWM0
CLKOUT
S
S
D
D
D
D
Reserved
S
D
_
_
Reserved
S
S
S
S
V
V
3
8
4
3
1
1
DCLK
DEN DVS DHS
N/C N/C
1
2
118
115
117
116
110
109
108
107
106
105
104
103
102
101
100
99
96
95
94
93
92
91
90
87
86
85
84
83
80
79
78
77
76
75
74
73
72
71
70
69
66
65
64
63
62
61
60
59
58
57
56
55
119
120
121
122
123
124
125
126
127
49
48
128
44
45
52
51
39
4
47
46
43
42
41
40
201
200
142
132
131
C148 12p/6/NS
GND
R51 22/6
R44 22/6
R50 22/6
R47 22/6
EB7
EB6
EB5
EB4
EB3
EB2
EB1
EB0
EG7
EG6
EG5
EG4
EG3
EG2
EG1 EG0
ER7
ER6
ER5
ER4
ER3
ER2
ER1
ER0
OB7
OB6
OB5
OB4
OB3
OB2
OB1
OB0
OG7
OG6
OG5
OG4
OG3
OG2
OG1
OG0
OR7
OR6
OR5
OR4
OR3
OR2
OR1
OR0
GPIO4/UART_DI
GPIO5/UART_DO
GPIO13/NVR AM_SCL
GPIO12/NVR AM_SDA
GND
1
2
GND
R131 22/6
GPIO10
GPIO9
GPIO8/IRQINn
GPIO21/IR Qn
GPIO7
GPIO6
GPIO3/TIMER1
GPIO2/PWM2
GPIO1/PWM1
GPIO0/PWM0
C154 12p/6
EB[0..7] 5
EG[0..7] 5
ER[0..7] 5
OB[0..7] 5
OG[0..7] 5
OR[0..7] 5
GPIO7 5
GPIO2/PWM2 5
GPIO1/PWM1 5
GPIO0/PWM0 5
DCLK 6
DEN 6
DVS 6
DHS 6
Shutdown 8
GPO3 6
GPIO10 5
GPIO9 5
GPIO8/IRQINn 5
GPIO21/IRQn 5
GPIO6 5
GPIO3/TIMER1 5
8
4
9
4
4
3
2
1
1
1
3
3
3
5
.
.
.
.
3
3
3
2
_
_
_
_
L
S
S
D
L
D
D
D
P
D
D
V
D
S
_
D
C
_
_
D
D
D
D
D
D
V
V
V
C
C
D
D
A
A
_
_
2
1
S
S
S
S
D
D
S
S
S
S
N
V
V
V
V
N
G
C
C
C
C
G
3
2
5
6
4
7
3
0
3
5
5
7
1
2
1
1
1
1
AL718 10-4
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