ACER AL708 Service Manual
10. SCHEMATIC DIAGRAM~1 Input connector
DAN202U
D9
3
GND
VGA_5V
2
R110
R100
47K/6
47K/6
VGA_SDA
VGA_SCL
3
3
D4
D3
5.6V
5.6V
1
1
GND
R106 100/6
R102 100/6
+5V
1
C144
0.1u/6
GND
U11
1
8
VCCA0
7
2
A1A2WP
6
3
SCL
5
4
GND
SDA
AT24C02-10SC-1.8
GND
HFSn 4
HCLK 4
VGA INPUT
CONNECTOR
Pins 6/7/8 are R/G/B
return lines resp.
16
CN6
11
1
6
12
2
7
13
3
8
14
4
9
15
5
10
DB15HD
17
GND
VGA_5V
C131 0.01u/6
R97 100/6
R95 100/6
R91 100/6
R88 100/6
R86 100/6
R77 100/6
R96
GND
75/6
GND
R90
75/6
R85
75/6
Vsync
Hsync
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
3
R72
510/6
GND
D1
5.6V
1
3
C104
D2
C99
47p/6
47p/6
5.6V
1
RED+ 4
RED- 4
GREEN+ 4
GREEN- 4
BLUE+ 4
BLUE- 4
R1
0/6
U14
6
1
A1
Y1
5
2
GND VCC
4
3
A2 Y2
NC7WZ14P6/NS
U9
6
1
A1
Y1
5
2
GND VCC
4
3
A2 Y2
NC7WZ14P6/NS
SC70-6
GND
R2
0/6
+3.3V
1
1
C156
C155
0.1u/6
0.1u/6
2
2
GND
VS 4
HS 4
L7EA (AL708) 10-1
PROJECT : L7E
Title
Size Document Number Rev
Date: Sheet
Quanta Computer Inc.
INPUT CONNECTOR
3. Input Connector
DISPLAY
of
37Friday, May 24, 2002
A
10. SCHEMATIC DIAGRAM~2 Scaler gm2120
+3.3V
+3.3V
+2.5V
L10
CX000800000/1206
L11
CX000800000/1206
L13
CX000800000/1206
RMADDR[0..15]
RMADDR14
RMADDR9
RMADDR8
RMADDR15
RMADDR14
RMADDR13
RMADDR12
RMADDR11
RMADDR10
RMADDR9
RMADDR8
RMADDR7
RMADDR6
RMADDR5
RMADDR4
RMADDR3
RMADDR2
RMADDR1
RMADDR0
RMDATA7
RMDATA6
RMDATA5
RMDATA4
RMDATA3
RMDATA2
RMDATA1
RMDATA0
C69
22u/25V
GND
C80
22u/25V
GND
C94
22u/25V
GND
R75 10K/6
R67 10K/6
R66 10K/6
C158 15p/4
1
C159 15p/4
1
C160 15p/4
1
C161 15p/4
1
C162 15p/4
1
C163 15p/4
1
C164 15p/4
1
C165 15p/4
1
C166 15p/4
1
C167 15p/4
1
C168 15p/4
1
C169 15p/4
1
C170 15p/4
1
C171 15p/4
1
C172 15p/4
1
C173 15p/4
1
C174 15p/4
1
C175 15p/4
1
C176 15p/4
1
C177 15p/4
1
C178 15p/4
1
C179 15p/4
1
C180 15p/4
1
C181 15p/4
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
C98
0.1u/6
C101
0.1u/6
C97
0.1u/6
RM-14
OCM-START
H-PORT-EN
3.3V_DVDD
C111
C121
0.1u/6
0.1u/6
C118
0.1u/6
C108
0.1u/6
GND
C82
0.1u/6
3.3V_DVDD
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
C85
0.1u/6/NS
2.5V_VDD
8
7
6
5
+5V
R83
10K/6
+5V
R52 10K/6
+5V
GND
+5V
GND
C88
C96
0.1u/6
0.1u/6
3.3V_AVDD
C119
C117
0.1u/6
0.1u/6
C95
0.1u/6
R29
10K/6
+5V
FOR DEBUG PORT
JP1
1
3
1
4-P/NS
2
DEBUG
CONNECTOR
R28
10K/6
RMADDR15
RMADDR14
RMADDR13
RMADDR12
RMADDR11
RMADDR10
RMADDR9
RMADDR8
RMADDR7
RMADDR6
RMADDR5
RMADDR4
RMADDR3
RMADDR2
RMADDR1
RMADDR0
FLASH_OEn
12
34
C73
C75
0.1u/6
0.1u/6
GPIO13/NVRAM_SCL
GPIO12/NVRAM_SDA
R8110K/6
GND
1
R42
2K/6
2
2
4
1
C91
33p/6
2
C93
0.1u/6
3.3V_AVDD
U7 AT49HF/F010-45JC
31
WE
30
NC/A17
2
A16
3
A15
29
DQ7
A14
28
DQ6
A13
4
DQ5
A12
25
DQ4
A11
23
DQ3
A10
26
DQ2
A9
27
DQ1
A8
5
DQ0
A7
6
A6
7
A5
8
A4
9
A3
10
A2
11
A1
12
A0
NC
24
OE
VCC
22
GND
CE
32-Pin PLCC Socket
+5V
1
R39
2K/6
2
GPIO5/UART_DO
GPIO4/UART_DI
1
C84
33p/6
2
GND
C76
0.1u/6
C102
5p/6
21
20
19
18
17
15
14
13
1
32
16
R136 330/6
R137 330/6
C78
0.1u/6
X1
14.318MHz
RMDATA7
RMDATA6
RMDATA5
RMDATA4
RMDATA3
RMDATA2
RMDATA0
+5V
GND
3.3V_AVDD
/WR
HFSn
HCLK
3.3V_AVDD
U8
141
AVDD_DDDS
146
AVDD_SDDS
150
AVDD_RPLL
173
RESERVED
181
RESERVED
187
RESERVED
193
RESERVED
196
RESERVED
164
AVDD_BLUE
168
AVDD_GREEN
172
AVDD_RED
160
AVDD_ADC
199
VDD_RXPLL_2.5
175
AGND_IMB
178
AGND_RX2
184
AGND_RX1
190
AGND_RX0
197
AGND_RXC
198
AGND_RXPLL
157
SGND_ADC
158
AGND_ADC
161
AGND_BLUE
165
AGND_GREEN
169
AGND_RED
149
AVSS_RPLL
145
AVSS_SDDS
140
AVSS_DDDS
GND
C107
5p/6
R82
0/6
RMDATA[0..7]
R76
R73
0/6
0/6
RMADDR15
RMADDR14
RMADDR13
RMADDR12
RMADDR11
RMADDR10
RMADDR9
RMADDR8
RMADDR7
RMADDR6
RMADDR5
RMADDR4
RMADDR3
RMADDR2
RMADDR1
RMADDR0
RMDATA7
RMDATA6
RMDATA5
RMDATA4
RMDATA3
RMDATA2
RMDATA1
RMDATA0
ROM_OEn
PPWR6
PBIAS5
MUTE5
LCD_ON/OFF5
+5V
HFSn3
HCLK3
RED+3
RED-3
GREEN+3
GREEN-3
BLUE+3
BLUE-3
HS3
VS3
RN15
1
2
3
4
22
RN16
1
2
3
4
22
RN17
1
2
3
4
22
RN18
1
2
3
4
22
RN19
1
2
3
4
22
RN20
1
2
3
4
22
+5V
GND
R138 22/6
R139 22/6
R130 10K/6/NS
HFSn
HCLK
R127
10K/6
GND
3.3V_DVDD
8
A15
7
A14
A13
6
5
A12
A11
8
A10
7
A9
6
A8
5
A7
8
7
A6
6
A5
A4
5
8
A3
7
A2
A1
6
5
A0
D7
8
7
D6
D5
6
D4
5
8
D3
7
D2
6
D1
D0
5
C106
0.1u/6
Reset
Circuit
MAX6326
TCLK
XTAL
A16
/RESET
R93 1K/6
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
D7
D6
D5
D4
D3
D2
D1
D0
R128
22/6
1
C157
15p/4
2
GND
3.3V_DVDD
3
OUT
GND VCC
1
GND
1%
gm2120
PQFP208
2
U10
113
114
152
151
206
207
208
1
205
204
6
7
5
50
171
170
167
166
163
162
137
136
159
194
195
179
180
185
186
191
192
174
8
9
10
11
12
13
14
15
16
17
18
19
22
23
24
25
28
29
30
31
32
33
34
35
36
PPWR
PBIAS
TCLK
XTAL
GPIO20
GPIO19
GPIO18
GPIO17
GPIO16/HFSn
GPIO22/HCLK
DDC_SCL
DDC_SDA
RESETn
GPIO11/ROM_WEn
RED+
REDÂGREEN+
GREENÂBLUE+
BLUEÂHSYNC
VSYNC
ADC_TEST
RXC+
RXCÂRX2+
RX2ÂRX1+
RX1ÂRX0+
RX0-
REXT
ROM_ADDR15
ROM_ADDR14
ROM_ADDR13
ROM_ADDR12
ROM_ADDR11
ROM_ADDR10
ROM_ADDR9
ROM_ADDR8
ROM_ADDR7
ROM_ADDR6
ROM_ADDR5
ROM_ADDR4
ROM_ADDR3
ROM_ADDR2
ROM_ADDR1
ROM_ADDR0
ROM_DATA7
ROM_DATA6
ROM_DATA5
ROM_DATA4
ROM_DATA3
ROM_DATA2
ROM_DATA1
ROM_DATA0
ROM_OEn
2.5V_VDD
155
153
26
203
176
182
188
CVDD_2.5
CVDD_2.5
RESERVED
RESERVED
RESERVED
VDD1_ADC_2.5
VDD2_ADC_2.5
3.3V_A
AGND
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
RVSS
3
21
38
54
68
82
98
112
130
GND
/RESET
3.3V_DVDD
2
20
53
67
81
97
111
RVDD
VDD_DDDS_3.3
GND1_ADC
GND2_ADC
GND_RX2
154
177
37
RVDD
RVDD
RVDD
RVDD
GPIO10/TCON_ROE3
GPIO9/TCON_ROE2
GPIO4/UART_D1
GPIO5/UART_D0
GPIO13/NVRAM_SCL
GPIO12/NVRAM_SDA
GPIO8/IRQINn
GPIO7/TCON_TDIV
GPIO6/TCON_SHC
GPIO3/TIMER1
Int_Test
GND_RX1
GND_RX0
VSS_DPLL
183
189
147
143
RVDD
RVDD
RVDD
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_OPOL
TCON_OINV
TCON_ESP
TCON_EPOL
TCON_EINV
TCON_RSP2
TCON_RSP3
TCON_RCLK
TCON_ROE
GPIO21/IRQn
GPIO2/PWM2
GPIO1/PWM1
GPIO0/PWM0
Reserved
Reserved
VSS_SDDS
VSS_DDDS
138
129
RVDD
R51 22/8
118
DCLK
R44 22/6
115
DEN
R50 22/6
117
DVS
116
R47 22/6
DHS
EB7
110
EB6
109
108
EB5
EB4
107
106
EB3
EB2
105
104
EB1
EB0
103
102
EG7
EG6
101
100
EG5
99
EG4
EG3
96
95
EG2
EG1
94
93
EG0
ER7
92
91
ER6
90
ER5
ER4
87
ER3
86
ER2
85
84
ER1
83
ER0
OB7
80
OB6
79
OB5
78
OB4
77
OB3
76
75
OB2
74
OB1
OB0
73
72
OG7
OG6
71
70
OG5
69
OG4
OG3
66
65
OG2
OG1
64
63
OG0
62
OR7
OR6
61
60
OR5
59
OR4
58
OR3
OR2
57
56
OR1
55
OR0
119
120
121
122
123
124
125
126
127
49
R37 22/6
R38 22/6
48
128
GPIO4/UART_DI
44
45
GPIO5/UART_DO
52
GPIO13/NVRAM_SCL
51
GPIO12/NVRAM_SDA
R48 22/6
39
R87 22/6
4
R40 22/6
47
R41 22/6
46
R43 22/6
43
R46 22/6
42
R45 22/6
41
40
R49 22/6
201
CLKOUT
200
N/C
142
N/C
132
131
GND
Title
Size Document Number Rev
Date: Sheet
GND
R131 22/8
GPIO10
GPIO9
GPIO8/IRQINn
GPIO21/IRQn
GPIO7
GPIO6
GPIO3/TIMER1RMDATA1
GPIO2/PWM2
GPIO1/PWM1
GPIO0/PWM0
Quanta Computer Inc.
gm2120
4. gm2120
1
C154
12p/6
2
PROJECT : L7E
EB[0..7] 5
EG[0..7] 5
ER[0..7] 5
OB[0..7] 5
OG[0..7] 5
OR[0..7] 5
GPIO10 5
GPIO9 5
DISPLAY
DCLK 6
DEN 6
DVS 6
DHS 6
GPIO8/IRQINn 5
GPIO21/IRQn 5
GPIO7 5
GPIO6 5
GPIO3/TIMER1 5
GPIO2/PWM2 5
GPIO1/PWM1 5
GPIO0/PWM0 5
47Friday, September 27, 2002
A
of
88
134
148
144
139
CVDD_2.5
CVDD_2.5
VDD_DPLL_3.3
VDD_SDDS_3.3
CVSS
CVSS
CVSS
CVSS
CVSS
89
133
202
135
156
27
L7EA (AL708) 10-2
10. SCHEMATIC DIAGRAM~3 Connector
GPIO104
GPIO21/IRQn4
GPIO3/TIMER14
GPIO2/PWM24
GPIO1/PWM14
GPIO0/PWM04
GPIO8/IRQINn4
ER[0..7]4
EG[0..7]4
EB[0..7]4
OR[0..7]4
OG[0..7]4
OB[0..7]4
LED_GRN
LED_ORANGE
3.3V_DVDD
GPIO94
GPIO74
GPIO64
1
1
1
1
1
1
1
1
1
DARED[0..7] 6
DAGRN[0..7] 6
DABLU[0..7] 6
DBRED[0..7] 6
DBGRN[0..7] 6
DBBLU[0..7] 6
2
2
2
2
2
2
2
2
2
3.3V_DVDD
R140
10K/6
GND
C113
12p/6
R141
10K/6
LCD_ON/OFF
1
C185
0.1u/6
2
MUTE
DARED7
DARED6
DARED5
DARED4
DARED3
DARED2
DARED1
DARED0
DAGRN7
DAGRN6
DAGRN5
DAGRN4
DAGRN3
DAGRN2
DAGRN1
DAGRN0
DABLU7
DABLU6
DABLU5
DABLU4
DABLU3
DABLU2
DABLU1
DABLU0
DBRED7
DBRED6
DBRED5
DBRED4
DBRED3
DBRED2
DBRED1
DBRED0
DBGRN7
DBGRN6
DBGRN5
DBGRN4
DBGRN3
DBGRN2
DBGRN1
DBGRN0
DBBLU7
DBBLU6
DBBLU5
DBBLU4
DBBLU3
DBBLU2
DBBLU1
DBBLU0
12V
1
L19
1
1
2
2
12V
1
2
2
1
R17 0/8
1
R15 0/8
1
2
GND
C194 0.1u/8
1
MUTE
CX000800000/1206/NS
1
L22
CX000800000/1206/NS
2
GND
L7
CX000800000/1206
2
2
L5
CX000800000/1206
12V
2
CN5
1
2
C192
330u/16V/NS
C191
330u/16V
C12
12p/6/NS
GND
1
L20
CX000800000/1206
2
2
1
R144 0/8
2
1
R146 0/8
1
L21
CX000800000/1206
2
GND
Title
DISPLAY
Size Document Number Rev
5. Display
Date: Sheet
3
4
4606-04-04P-R/NS
CN2
1
2
3
4
5
6
4606-06-06P-R
C10
12p/6/NS
1
C196
C197
12p/6
12p/6
2
GND
PROJECT : L7E
Quanta Computer Inc.
DISPLAY
CN7
1
2
3
4
5
6
7
4401-07-07P-R
57Friday, May 24, 2002
A
of
C193 0.1u/8/NS
R21
1
C24 15p/4
1
C25 15p/4
1
C26 15p/4
1
C27 15p/4
1
C56 15p/4
1
C57 15p/4
1
C58 15p/4
1
C59 15p/4
1
C44 15p/4
1
C45 15p/4
1
C46 15p/4
1
C47 15p/4
1
C48 15p/4
1
C49 15p/4
1
C50 15p/4
1
C51 15p/4
1
C89 15p/4
1
C87 15p/4
1
C86 15p/4
1
C83 15p/4
1
C81 15p/4
1
C79 15p/4
1
C77 15p/4
1
C71 15p/4
1
C36 15p/4
1
C37 15p/4
1
C38 15p/4
1
C39 15p/4
1
C64 15p/4
1
C65 15p/4
1
C66 15p/4
1
C67 15p/4
1
C32 15p/4
1
C33 15p/4
1
C34 15p/4
1
C35 15p/4
1
C52 15p/4
1
C53 15p/4
1
C54 15p/4
1
C55 15p/4
1
C28 15p/4
1
C29 15p/4
1
C30 15p/4
1
C31 15p/4
1
C60 15p/4
1
C61 15p/4
1
C62 15p/4
1
C63 15p/4
2
2
2
2
2
2
2
2
2
2
2
2
PBIAS4
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
GND
PWM0
VOLU
0/6
+5V
R22
4.7K/6/NS
Q2
3
2
+5V
DTC144EUA/NS
1
R13
10K/6
GND
R12
3
Q12N7002
47K/6
1
2
GND
+5V
R143
10K/6
3
Q142N7002
1
2
GND
C21 0.1u/8
1
C11
1u/8
2
GND
R142
1
47K/6
C195
1u/8
2
GND
TO BUTTON BOARD
CN3
1
2
3
4
5
6
7
8
9
10
4401-10-10P-R
1
1
1
C129
C186
C116
12p/6
0.1u/6
12p/6
2
C135
1
C187
0.1u/6
2
C189
C132
C188
12p/6
0.1u/6
12p/6
0.1u/6
2
2
1
C43
1
C190
C137
0.1u/6
12p/6
2
C145
C139
C141
0.1u/6
12p/6
12p/6
12p/6
2
RN14
5
4
6
3
7
2
8
1
RN13
5
4
10K
6
3
7
2
8
1
10K
+12V
1
R118
1K/6
2
3
2
DTC144EUA
1
3.3V_DVDD
R33
R34
10K/6
10K/6
DARED7
DARED6
DARED5
DARED4
DARED3
DARED2
DARED1
DARED0
DAGRN7
DAGRN6
DAGRN5
DAGRN4
DAGRN3
DAGRN2
DAGRN1
DAGRN0
DABLU7
DABLU6
DABLU5
DABLU4
DABLU3
DABLU2
DABLU1
DABLU0
DBRED7
DBRED6
DBRED5
DBRED4
DBRED3
DBRED2
DBRED1
DBRED0
DBGRN7
DBGRN6
DBGRN5
DBGRN4
DBGRN3
DBGRN2
DBGRN1
DBGRN0
DBBLU7
DBBLU6
DBBLU5
DBBLU4
DBBLU3
DBBLU2
DBBLU1
DBBLU0
LCD_ON/OFF4
MUTE4
LCD_ON/OFF
KEY_DOWN
KEY_SEL
KEY_RIGHT
KEY_UP
KEY_ESC
KEY_LEFT
R89 22/8
R92 22/8
R94 22/8
R98 22/8
R99 22/8
R101 22/8
R105 22/8
R109 22/8
R114 22/8
GND
KEY_ESC
KEY_SEL
LED_GRN
KEY_DOWN
KEY_RIGHT
KEY_UP
KEY_LEFT
VOLU
PWM0
LED_ORANGE
GND
1
R119
1K/6
2
3
DTC144EUA
1
RN1
8
1
7
2
6
3
5
4
RN7
8
1
7
2
22
6
3
5
4
RN6
22
8
1
7
2
6
3
5
4
RN5
8
1
7
2
22
6
3
5
4
RN12
22
8
1
7
2
6
3
5
4
RN11
8
1
7
2
22
6
3
5
4
RN4
8
1
22
7
2
6
3
5
4
RN10
8
1
7
2
22
6
3
5
4
RN3
22
8
1
7
2
6
3
5
4
RN9
8
1
7
2
22
6
3
5
4
RN2
22
8
1
7
2
6
3
5
4
RN8
8
1
22
7
2
6
3
5
4
22
Q11
ER7
ER6
ER5
ER4
ER3
ER2
ER1
ER0
EG7
EG6
EG5
EG4
EG3
EG2
EG1
EG0
EB7
EB6
EB5
EB4
EB3
EB2
EB1
EB0
OR7
OR6
OR5
OR4
OR3
OR2
OR1
OR0
OG7
OG6
OG5
OG4
OG3
OG2
OG1
OG0
OB7
OB6
OB5
OB4
OB3
OB2
OB1
OB0
Q8
2
L7EA (AL708) 10-3
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