Gm5120/Gm2120 - Acer AL1721h Service Manual

Table of Contents

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Gm5120/Gm2120

C234
C227
C231
C232
C233
C226
C228
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
GND
C214
C212
C213
C215
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
GND
C201
C202
C204
C205
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
GND
R232 R231
RXXX
NC
NC
NC
SAMSUNG EH
NC
10K
NC
CHIMEI E4
10K
NC
NC
SAMSUNG EU
10K
10K
NC
HYDIS 200/300
NC
NC
10K
CPT 170EA02
NC
10K
10K
(RESERVED)
10K
NC
10K
(RESERVED)
10K
10K
10K
AU EN05
ResetIC:250ms
TCM809SENB713
3
3
1
2
+3.3V
+5V
3.3V
+5V
FB204
FB205
FB204
FB205
NC
600
1206
1206
+PV
8/26 modify
+PV
R246
R239
R238
R234
R232
R206
R237
R231
R207
R233
NC
 
10K 1/16W
+PV
BOOTSTRAP SIGNALS
ADDRESS
NAME
SET
DESCRIPTION
ROM_ADDR(4:0)
USER_BITS(4:0)
x
Available for reading from a status register
ROM_ADDR5
Reserved
x
If using 6-wire host protocol, program this bit to 0
ROM_ADDR6
SCLPOL
x
Determines polarity of HCLK signal
ROM_ADDR7
HOST_PROTOCOL
0
If using 6-wire host protocol, program this bit to 1
ROM_ADDR8
HOST_PORT_EN
1
GPIO(22:16) is on "Host Port" pins
ROM_ADDR9
OCM_START
1
1 = OCM becomes active after OCM_CLK is stable
ROM_ADDR(12:10)
USER_BITS(7:5)
x
Available for reading from a status register
ROM_ADDR13
OSC_SEL
0
0 = XTAL and TCLK pins are connected
ROM_ADDR14
OCM_ROM_CFG(1)
1
1 = All 48K of ROM is in external ROM
A3.3V
SPEC(150mA)
C238
C239
C240
C241
C242
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
D2.5V
SPEC(500mA)
C217
C218
C216
C219
C220
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
D3.3V
SPEC(60mA)
C210
C206
C207
C208
C209
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
0.1uF/16V
A2.5V
SPEC(50mA)
12/20
C252
C244
1uF/16V
0.1uF/16V
P.5
PPWR
P.5
PBIAS
GND
D3.3V
/CE
P.2
DVI_PLUG
P.2
VGA_PLUG
P.2
DDC_SDA_A
P.2
DDC_SCL_A
R201
D201
P.2
DDC_SCL
U201
NC
NC
P.2
DDC_SDA
NEW ADD CIRCUIT FOR 2M ROM04/09
2
/RESET
VCC
RST
4LED
BANK1
+
C245
P.2
RED+
NC
P.2
RED-
P.2
GREEN+
P.2
GREEN-
P.2
BLUE+
P.2
BLUE-
P.2
HS
P.2
VS
GND
P.2
RXC+
P.2
RXC-
P.2
RX2+
P.2
RX2-
P.2
RX1+
P.2
RX1-
DIGITAL PORT
P.2
RX0+
P.2
RX0-
2003/02/21
+PV
+PV
EMI SOULATION ADD C253
C253
R221
R250
R223
 
NC
10K 1/16W
10K
0.1uF/16V
GND
R208
U202
R227
31
/ROM_WE
WE
0 1/16W
 
BANK1
30
NC/A17
BANK0
2
A16
 
10K 1/16W
RMADDR15
3
A15
RMADDR14
29
21
A14
DQ7
RMADDR14
RMADDR13
28
20
A13
DQ6
RMADDR9
RMADDR12
4
19
A12
DQ5
RMADDR8
RMADDR11
25
18
A11
DQ4
RMADDR10
RMADDR10
23
17
A10
DQ3
RMADDR11
RMADDR9
26
15
A9
DQ2
RMADDR3
RMADDR8
27
14
A8
DQ1
RMADDR4
RMADDR7
5
13
A7
DQ0
RMADDR12
RMADDR6
6
A6
RMADDR2
RMADDR5
7
A5
RMADDR1
RMADDR4
8
A4
RMADDR0
RMADDR3
9
A3
RMADDR2
10
A2
RMADDR1
11
A1
RMADDR0
12
1
A0
NC
R222 10K 
24
32
OE
VCC
/CE
R247
0
22
16
CE
GND
SOCKET
R248
32-Pin PLCC Socket
 
10K 1/16W
FLASH/ Prom-Jet Socket
GND
R251
 
0 1/16W
GND
NEW ADD CIRCUIT FOR 2M ROM04/08
+PV
D3.3V
12/20
A3.3V
D2.5V
C251
C203
1uF/16V
0.1uF/16V
U203
GND
A2.5V
199
VDD_RXPLL_2.5
157
SGND_ADC
158
AGND_ADC
161
AGND_BLUE
165
AGND_GREEN
169
AGND_RED
175
AGND_IMB
178
AGND_RX2
184
AGND_RX1
190
AGND_RX0
197
AGND_RXC
198
AGND_RXPLL
149
AVSS_RPLL
145
AVSS_SDDS
140
AVSS_DDDS
GND
113
PPWR
114
PBIAS
A3.3V
151
XTAL
C246
5pF
X201
14.318MHz
C247
152
TCLK
5pF
GND
R204
2.7K
206
GPIO20/HDATA3
207
GPIO19/HDATA2
BANK0
208
GPIO18/HDATA1
1
GPIO17/HDATA0
205
GPIO16/HFS
204
GPIO22/HCLK
6
DDC_SCL
7
DDC_SDA
5
RESETn
R249
NC
4
GPIO21/IRQn
R255
NC
171
RED+
170
RED-
167
GREEN+
166
GREEN-
163
BLUE+
162
BLUE-
137
HSYNC
136
VSYNC
159
ADC_TEST
194
RXC+
195
RXC-
179
RX2+
180
RX2-
185
RX1+
186
RX1-
191
RX0+
192
RX0-
A3.3V
R205 1K 1%
174
REXT
RMADDR15
8
ROM_ADDR15
RMADDR14
9
ROM_ADDR14
RMADDR13
10
ROM_ADDR13
RMADDR12
11
ROM_ADDR12
RMADDR11
12
ROM_ADDR11
RMADDR10
13
ROM_ADDR10
RMADDR9
14
ROM_ADDR9
RMADDR8
15
ROM_ADDR8
RMADDR7
16
ROM_ADDR7
RMADDR6
17
ROM_ADDR6
RMADDR5
18
ROM_ADDR5
RMDATA7
RMADDR4
19
ROM_ADDR4
RMDATA6
RMADDR3
22
ROM_ADDR3
RMDATA5
RMADDR2
23
ROM_ADDR2
RMDATA4
RMADDR1
24
ROM_ADDR1
RMDATA3
RMADDR0
25
ROM_ADDR0
RMDATA2
RMDATA1
RMDATA7
28
ROM_DATA7
RMDATA0
RMDATA6
29
ROM_DATA6
RMDATA5
30
ROM_DATA5
RMDATA4
31
ROM_DATA4
RMDATA3
32
ROM_DATA3
RMDATA2
33
ROM_DATA2
RMDATA1
34
ROM_DATA1
RMDATA0
35
ROM_DATA0
+PV
ROM_OEn
36
ROM_OEn
C248
0.1uF/16V
GM5120
PQFP-208
GND
GND
EMI SOULATION ADD C254
45
DEN
 
R240
33 1/16W
PDEN
DHS
 
R242
33 1/16W
PHS
DVS
R241
33 1/16W
 
PVS
D3.3V
D-CLK
PCLK
FB201
60
C260
22pF
GND
DEN
115
DEN/TCON_ECLK
DHS
116
DHS/TCON_LP
DVS
117
DVS/TCON_FSYNC
118
D-CLK
DCLK/TCON_OCLK
110
OB7
PD47/OB7
109
OB6
PD46/OB6
108
OB5
PD45/OB5
107
OB4
PD44/OB4
106
OB3
PD43/OB3
105
OB2
PD42/OB2
104
OB1
PD41/OB1
103
OB0
PD40/OB0
102
OG7
PD39/OG7
101
OG6
PD38/OG6
100
OG5
PD37/OG5
99
OG4
PD36/OG4
96
OG3
PD35/OG3
95
OG2
PD34/OG2
94
OG1
PD33/OG1
93
OG0
PD32/OG0
92
OR7
PD31/OR7
91
OR6
PD30/OR6
90
OR5
PD29/OR5
87
OR4
PD28/OR4
86
OR3
PD27/OR3
85
OR2
PD26/OR2
84
OR1
PD25/OR1
83
OR0
PD24/OR0
80
EB7
PD23/EB7
79
EB6
PD22/EB6
78
EB5
PD21/EB5
77
EB4
PD20/EB4
76
EB3
PD19/EB3
75
EB2
PD18/EB2
74
EB1
PD17/EB1
73
EB0
PD16/EB0
72
EG7
PD15/EG7
71
EG6
PD14/EG6
70
EG5
PD13/EG5
69
EG4
PD12/EG4
66
EG3
PD11/EG3
65
EG2
PD10/EG2
64
EG1
PD9/EG1
63
EG0
PD8/EG0
62
ER7
PD7/ER7
61
ER6
PD6/ER6
60
ER5
PD5/ER5
59
ER4
PD4/ER4
58
ER3
PD3/ER3
57
ER2
PD2/ER2
56
ER1
PD1/ER1
55
ER0
PD0/ER0
119
TCON_OSP
120
TCON_OPOL
121
TCON_OINV
122
TCON_ESP
123
TCON_EPOL
124
TCON_EINV
125
R216 4.7K
TCON_RSP2
WP
126
TCON_RSP3
127
TCON_RCLK
49
GPIO10/TCON_ROE3
48
GPIO9/TCON_ROE2
128
TCON_ROE
44
GPIO4/UART_D1
45
GPIO5/UART_D0
52
SCL
GPIO13
51
SDA
GPIO12
39
GPIO8
GPIO8/IRQINn
50
/ROM_WE
/ROM_WE
GPIO11
47
GPIO7
GPIO7
GPIO7
46
GPIO6
GPIO6/EXTCLK
GPIO6
43
GPIO3
GPIO3/TIMER1
GPIO3
42
GPIO2/PWM2
GPIO2
41
VOL_OUT
GPIO1/PWM1
40
GPIO0/PWM0
PWM0 P.4
GPIO0/PWM0
201
Int_Test
CLKOUT
200
N/C
142
N/C
132
+PV
Reserved
131
Reserved
GND
R214
+PV
10K 
SCL
SDA
R244
4.7K
R243
WP
NC
C254
R245
ACER GM5120/2120
2003/02/21
0
0.1uF/16V
Title
gm5120
GND
Size
Document Number
GND
C
Date:
Monday, May 12, 2003
 
RP212
0 1/16W
OPB[0..7] P.5
OB7
OPB7
1
8
OB6
OPB6
2
7
OB5
OPB5
3
6
OB4
OPB4
4
5
 
RP211
0 1/16W
OB3
1
8
OPB3
OB2
2
7
OPB2
OB1
3
6
OPB1
OB0
OPB0
4
5
 
RP210
0 1/16W
OPG[0..7] P.5
OG7
1
8
OPG7
OG6
2
7
OPG6
OG5
3
6
OPG5
OG4
4
5
OPG4
 
RP209
0 1/16W
OG3
OPG3
1
8
OG2
OPG2
2
7
OG1
OPG1
3
6
OG0
4
5
OPG0
 
RP208
0 1/16W
OPR[0..7] P.5
OR7
OPR7
1
8
OR6
OPR6
2
7
OR5
OPR5
3
6
OR4
4
5
OPR4
RP207 0 1/16W
 
OR3
1
8
OPR3
OR2
OPR2
2
7
OR1
OPR1
3
6
OR0
OPR0
4
5
0 1/16W
 
RP206
EPB[0..7] P.5
EB7
1
8
EPB7
EB6
2
7
EPB6
EB5
EPB5
3
6
EB4
EPB4
4
5
 
RP205
0 1/16W
EB3
EPB3
1
8
EB2
2
7
EPB2
EB1
3
6
EPB1
EB0
4
5
EPB0
 
RP204
0 1/16W
EPG[0..7] P.5
EG7
EPG7
1
8
EG6
2
7
EPG6
EG5
3
6
EPG5
EG4
4
5
EPG4
 
RP203
0 1/16W
EG3
EPG3
1
8
EG2
EPG2
2
7
EG1
EPG1
3
6
EG0
4
5
EPG0
RP202
 
0 1/16W
EPR[0..7]
ER7
EPR7
1
8
P.5
ER6
EPR6
2
7
ER5
EPR5
3
6
ER4
EPR4
4
5
RP201
0 1/16W
 
ER3
1
8
EPR3
ER2
2
7
EPR2
ER1
EPR1
3
6
ER0
EPR0
4
5
LED_ORANGE
P.5
LED_GREEN
P.5
LVDS_EN P.5
MUTE_OUT
STBY_OUT
FB202
60
FB203
60
UART_DI
P.2
UART_DO
P.2
P.4
P.4
P.4
P.4
P.4
C249
0.1uF/16V
R215
U204
10K 
8
1
VCC
A0
7
2
WP
A1
6
3
SCK
A2
5
4
SI
VSS
M24C16-MN6T
GND
Rev
A
715L1123-A
Sheet
3
of
7

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