Acer AL718 Service Manual page 31

+3.3V
L10
500m A
CX000800000/1206 C69 C98 C111 C121
22u/6.3V 0.1u/6 0.1u/6 0.1u/6
GND
+3.3V
L11
CX000800000/1206 C100 C120
500m A C80 C101 C118
22u/6.3V 0.1u/6 0.1u/6 0.1u/6
0.1u/6
GND
+2.5V
L13
C94 C108 C110
500m A C97 C126
CX000800000/1206
22u/6.3V 0.1u/6 0.1u/6
0.1u/6 0.1u/6
GND
C82
0.1u/6 U4
1
A0 VCC
2
A1 WP
3
A2 SCL
4
GND SDA
AT24C16-10SC-1.8
GND
RMADDR[0..15]
3.3V_DVDD
A16
R84
RMADDR14
R75 10K/6 RM-14
RMADDR9 R67 10K/6 H-PORT-EN OCM-START
R66 10K/6
RMADDR8
AL718
3.3V_DVDD
C96 C88 C73 C75 C93 C76 C78
0.1u/6 0.1u/6 0.1u/6 0.1u/6 0.1u/6 0.1u/6 0.1u/6
3.3V_AVDD
C103 C117
C119
0.1u/6 0.1u/6
0.1u/6
2.5V_VDD
C95
C74
0.1u/6
0.1u/6
3.3V_AVDD 3.3V_AVDD
C102
X1
5p/6
+5V
14.318MHz
R29 R28
10K/6 10K/6
8
7
GPIO13/NVRAM_SCL
6
GPIO12/NVRAM_SDA
5
GND
R
/ W
+5V
U7 AT49HF/F010-45JC
10K/6 R81
31
WE
30
NC/A17
0/6 2
A16
RMADDR15 3
A15
29 21
RMADDR14 RMDATA7
A14 DQ7
28 20
+5V RMADDR13
A13 DQ6
4 19 RMDATA6
RMADDR12
A12 DQ5 RMDATA5
25 18
RMDATA4
A11 DQ4
RMADDR10 RMADDR11 23
17 RMDATA3
A10 DQ3
26 15
A9 DQ2
R83 RMDATA2
RMADDR8 RMADDR9 27 14
A8 DQ1
RMDATA1
5 13
RMADDR7 A7 DQ0
6 RMDATA0
RMADDR6
A6
10K/6 RMADDR5 7
A5
RMADDR4 8
A4
9
A3
RMADDR3
10
A2
RMADDR2
RMADDR1 11
A1
+5V RMADDR0 12 1 +5V
A0 NC
24 32
FLASH_OEn
OE VCC
22 16
R52 10K/6
CE GND
32-Pin PLCC Sock e t
GND GND
+5V
FOR DEBUG PORT
R42
1
R39
1
+5V JP1 47K/6
47K/6
1 2 2
1 2
3 4 2 GPIO4/UART_DI
GPIO5/UART_DO R137 R136 22/6 22/6
3 4
1
4-P/NS
C85
1
0.1u/6/NS
C91
1
2 C84
33p/6
2 33p/6
2
GND
GND
DEBUG
CONNECTOR
3.3V_AVDD
141
146
150
199
175
178
184
190
197
198
157
158
161
165
169
149
145
140
GND
113
C107
6 PPWR
114
5 PBIAS
5p/6
152
TCLK
151
XTAL
5,6 MUTE
5 LCD_ON/OFF
A16
R130 10K/6/NS
+5V
HFSn 205
3 HFSn HCLK
204
3 HCLK
/RESET
171
3 RED+
170
3 RED- 167
3 GREEN+
166
3 GREEN-
163
3 BLUE+
162
3 BLUE-
137
3 HS
136
R82 3 VS
159
R127
0/6
194
195
179
180
10K/6
185
GND
186
191
192
3.3V_DVDD
174
R93 1K/6
1%
RMADDR15
RMADDR14
RMADDR13
RMADDR12
RMADDR11
RMADDR10
RMADDR9
RMADDR8
RMADDR7
RMADDR6
RMADDR5
RMADDR4
RMADDR3
RMADDR2
RMADDR1
RMADDR0
RMDATA6 RMDATA7
]
7
. .
[ 0 RMDATA4 RMDATA5
A RMDATA3
T
A
D RMDATA2
RMDATA1
M
R
RMDATA0
R128
ROM_OEn
22/6
1
+5V C157
gm2120
12p/4
PQFP208
2
C106
0.1u/6
GND
3.3V_DVDD
GND
HFSn
HCLK
3
C
Re s e t C 2
V
OUT
Circuit
D
N
G
U10
MAX809_1
1
GND
3.3V_DVDD
2.5V_VDD
U8 3 5 6 2 8 3 4 8 4 9 1 9
5 5 7 8 8 0 6 8 3 4 4 3 0 7 3 7 1 7 1 2
1 1 1 1 1 2 2 8 1 1 1 1 2 2 5 6 8 9 1 1
3
. 5 . 5 . 5 . 5 . 5 . 5 . 3 . 3 . 3
D D D D D D D D D D D D
AVDD_DDDS
_ 2 _ 2 E E E _ 2 _ 2 _ 2 _ 2 _ 3 _ 3 _ 3 D D D D D D D D D
V V V V V V V V V V V V
AVDD_SDDS L
C C R R R D D D D S S
L R R R R R R R R R
AVDD_RPLL D D E E E D D D D D D
173 P
_ A _ A S S S V V V V D D
RESERVED _ D
181 E E E C C C C _ S _ D
2 1
RESERVED R R R
D 118
187 D D D D
RESERVED D D D DCLK
D D 115
193 V
V V V
RESERVED V DEN
196 117
RESERVED 3.3V_A DVS
164 116
AVDD_BLUE DHS
168
AVDD_GREEN
172
AVDD_RED PD47/OB7
160
AVDD_ADC PD46/OB6
PD45/OB5
PD44/OB4
PD43/OB3
VDD_RXPLL_2.5 PD42/OB2
PD41/OB1
AGND_IMB PD40/OB0
AGND_RX2
AGND_RX1 PD39/OG7
AGND_RX0 PD38/OG6
AGND_RXC PD37/OG5
AGND_RXPLL PD36/OG4
AGN D
SGND_ADC PD35/OG3
AGND_ADC PD34/OG2
AGND_BLUE PD33/OG1
AGND_GREEN PD32/OG0
AGND_RED
AVSS_RPLL PD31/OR7
AVSS_SDDS PD30/OR6
AVSS_DDDS PD29/OR5
PD28/OR4
PD27/OR3
PD26/OR2
PPWR PD25/OR1
PBIAS PD24/OR0
TCLK
XTAL PD23/EB7
PD22/EB6
206
GPIO20 PD21/EB5
207
GPIO19 PD20/EB4
208
GPIO18 PD19/EB3
1
GPIO17 PD18/EB2
GPIO16/HFSn PD17/EB1
GPIO22/HCLK PD16/EB0
6
7 DDC_SCL PD15/EG7
DDC_SDA PD14/EG6
PD13/EG5
5
RESETn PD12/EG4
50
GPIO11/ROM_WEn PD11/EG3
PD10/EG2
RED+ PD9/EG1
RED- PD8/EG0
GREEN+
GREEN- PD7/ER7
BLUE+ PD6/ER6
BLUE- PD5/ER5
HSY NC PD4/ER4
VSY NC PD3/ER3
ADC_TEST PD2/ER2
PD1/ER1
RXC+ PD0/ER0
RXC-
RX2+
RX2- TCON_OSP
RX1+ TCON_OPOL
RX1- TCON_OINV
RX0+ TCON_ESP
RX0- TCON_EPOL
TCON_EINV
TCON_RSP2
REXT TCON_RSP3
TCON_RCLK
8
ROM_ADDR15 GPIO10/TCON_ROE3
9
10 ROM_ADDR14 GPIO9/TCON_ROE2
11 ROM_ADDR13 TCON_ROE
12 ROM_ADDR12
13 ROM_ADDR11 44
14 ROM_ADDR10 GPIO4/UART_D1 45
15 ROM_ADDR9 GPIO5/UART_D0
52
ROM_ADDR8
16 GPIO13/NVRAM_SCL 51
17 ROM_ADDR7 GPIO12/NVRAM_SDA 39
18 ROM_ADDR6 GPIO8/IRQINn 4
19 ROM_ADDR5 GPIO21/IRQn
22 ROM_ADDR4 GPIO7/TCON_TDIV
23 43
ROM_ADDR3 GPIO6/TCON_SHC
42
24 ROM_ADDR2 GPIO3/TIMER1
25 ROM_ADDR1 GPIO2/PWM2 41
ROM_ADDR0 GPIO1/PWM1 40
28 GPIO0/PWM0
29 ROM_DATA7
30 ROM_DATA6
201
31 ROM_DATA5
Int_Test
32 ROM_DATA4 CLKOUT
33 ROM_DATA3
34 ROM_DATA2
35 ROM_DATA1 N/C
C C S
L S
ROM_DATA0 2 1 0 N/C
D D L D D
X X X
_ A _ A P D D
36 Reserv ed
_ R _ R _ R
_ D _ S _ D
1 2
ROM_OEn S S S S S S S S S S S S S S Reserv ed
D D D D D
S S S S S S S S S S S S S S S S S
V V V V V V V V V V V V V V N N N N N
S S S
R R R R R R R R R C C C C C G G G G G V V V
2 0 3 5 2 6 4 7 3 9 7 3 8
1 8 4 8 2 8 1 3 9 3 3 0 5 5 7 8 8 4 4 3
7
3 2 3 5 6 8 9 1 1 8 1 1 2 1 1 1 1 1 1 1 1
2
GND
/RESET
C148
1
1
12p/6/NS
C154
12p/6
2
GND 2
GND
R51 22/6 R131 22/6
DCLK 6
R44 22/6
DEN 6
R50 22/6
DVS 6
R47 22/6
DHS 6
EB[0..7] 5
EB7
110
EB6
109
108 EB5
EB4
107
EB3
106
EB2
105
EB1
104
EB0
103
EG[0..7] 5
EG7
102
EG6
101
EG5
100
EG4
99
96
EG3
EG2
95
94 EG1
93 EG0
ER[0..7] 5
ER7
92
91
ER6
ER5
90
87 ER4
86 ER3
85 ER2
ER1
84
83 ER0
OB[0..7] 5
80 OB7
OB6
79
78 OB5
77
OB4
OB3
76
75 OB2
74 OB1
73 OB0
OG7 OG[0..7] 5
72
71
OG6
70
OG5
69
OG4
66 OG3
65 OG2
64 OG1
OG0
63
OR[0..7] 5
OR7
62
OR6
61
OR5
60
59 OR4
OR3
58
OR2
57
OR1
56
55 OR0
119
Shutdown 8
120
121
122
GPO3 6
123
124
125
126
127
GPIO10
49
GPIO9
GPIO10 5
48
GPIO9 5
128
GPIO5/UART_DO GPIO4/UART_DI
GPIO13/NVRAM_SCL
GPIO12/NVRAM_SDA
GPIO8/IRQINn
GPIO8/IRQINn 5
GPIO21/IRQn
GPIO21/IRQn 5
GPIO7 5
47 GPIO7
GPIO6
46 GPIO6 5
GPIO3/TIMER1
GPIO2/PWM2 5 GPIO3/TIMER1 5
GPIO2/PWM2
GPIO1/PWM1 5
GPIO1/PWM1
GPIO0/PWM0
GPIO0/PWM0 5
200
142
132
131
GND
10-4