43
VGA_SDA 2
HSO
NC
D401 BAV70
3
1
2
Detect 5V-->4V Reset
LED_G
5
R413
NC
C426
T4M
3
R446
1K 1/16W 5%
VSI
2
T3M
3
REFCLKI
C426
NC
7
2
+1.8V
R444
0R
05
1/
16
W
C408
0.1uF 16V
T7P
3
TX
R414
NC
R404
10K 1/10W 1%
T0M
3
R417
10K 1/16W 5%
C407
NC
R404 change type 0402 5%-->0603 1%
10/12/07
R406
NC
C411
0.1uF 16V
T4P
3
R405
NC
26
0R
ADC_VAA
MUTE
5
SCL
T5M
3
RX
IRQn
NC(C1206)
C409
TCLK2M 3
C404
0.1uF 16V
5V_DETECT
VSO
4
T7M
3
SDA
5V_DETECT
NC
NC
1
2
3
C403
0.1uF 16V
0R
RX
U403
NC
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
VCC
LED_A
5
C427
CVDD18
PARTS
8
BL_EN
5
WP
C412
NC
OD
ADC_VAA
PANEL_ON 3
100R
R415
4K7 1/16W 5%
R423
3.9K OHM 1% 1/16W
3
DVDD
+3.3V
CVDD18
SDA
R447
R449
NC
R421
3.9K OHM 1% 1/16W
119
+1.8V
KEY0
5
REFCLKI
R408
10
K
1
/16
W
5
%
MCU_VDD
HSI
2
R420
100R 1/16W 5%
C406 change type E-C to 0603 11/23/07
MCU_VDD
MCU_VDD
VGA_VDD
GI1-
2
HSO
R418
0R05 1/16W
Add AZ431 5V-->3.3V
53
T0P
3
0.1u
C416
100pF
BI1-
2
VGA_DET 2
+
C410
100uF/25V
X401
12MHz
R419
1M 1/16W 5%
5
DVDD
R448
C405
0.1uF 16V
NT68665
DPLL
TCLK1M 3
NC
CVDD18
NC
U401
BI1
2
RSTn
VOLUME
5
R422
100R 1/16W 5%
PANEL_ID
5
SCL
NC
FB402
NC
1
2
R422
SOGI
2
WP
R447
0R05 1/16W
0R
VGA_SCL 2
SCL
To made the volume control smoothly
+5V
T1M
3
MCU_VDD
TCLK2P 3
T5P
3
C413
47pF
NO.
T2M
3
T3P
3
PWR_KEY
5
R401
NC
NC
NC
1
2
3
4
NC
R444
Q401
PMBS3904
R402
1K 1/16W 5%
T2P
3
FB401
NC
1
2
U402
AZ431AN-AE1
T1P
3
52
NC
0.1u
IRQn
C406
1uF 16V
T6M
3
6
NT68670
NC
+5V
C414
47pF
For Debug Use
RI1-
2
T6P
3
R412
1K 1/16W 5%
change to 093G-2251B-J
for crystal temp over
spec 10/23/07
C402
0.1uF 16V
GI1
2
C427
NC
1
DVDD
RI1
2
C401
0.1uF 16V
BL_DIM
5
CVDD18
+5V
VGA_5V
DVDD
U401
NT68625HMFG
39
46
47
50
51
52
53
54
40
48
49
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
6
7
8
9
11
12
69
70
71
72
78
79
111
1
2
3
4
5
10
13
14
16
15
41
42
43
44
45
65
66
67
68
89
90
91
92
10
1
103
10
2
104
110
109
108
107
106
105
117
116
115
114
113
112
118
119
120
121
122
124
123
126
125
128
127
55
56
57
58
59
60
61
62
63
64
73
74
75
76
77
80
81
82
84
83
85
86
87
88
94
93
96
95
98
97
10
0
99
PA6*/PWM8*
PB5*/DDC_SDA0
PB4*/DDC_SCL0
SCL/P34
IRQn
CVDD
DVDD
RSBA1P/V0
PA7*/PWM9*
RSTn/PD5
SDA/P35
PV
C
C
PG
N
D
BI
N
1
+
BI
N
1
-
SO
G
1I
GI
N
1+
GI
N
1-
RI
N1
+
RI
N1
-
AD
C
_V
A
A
A
D
C
_G
NDA
PC
2
PD
6
PB
3
/AD
C
3/
IN
T
1
P3
1/
T
X
D
P3
0/
R
X
D
PB
2
/AD
C
2/
IN
T
0
P
B
7
*/
DDC_
S
D
A
1
P
B
6
*/
DDC_
S
C
L
1
PA
3
/PW
M
5
PA
4
*/
P
W
M
6*
PA
5
*/
P
W
M
7*
AV
C
C
RX
1
+
RX
1
-
AG
N
D
RX
0
-
AG
N
D
R
S
G
A
2M
/T
7M
RS
G
A
3
P
/T
CL
K
2P
RS
G
A
3
M
/T
CL
K
2
M
R
S
R
A
1
P
/T
6
P
/R
SBB0
P
DG
ND/
CG
ND
R
SBB1
P/
T
3P
AD0/GPO2
RS
T
B
M
CU_
V
C
C
M
CU_
G
N
D
RX
2
+
RX
2
-
RX
0
+
RX
C
+
RX
C
-
RE
X
T
AV
C
C
HSYNCI1
TOUTP/VSYNCI1
PLL_GND
TCLK
PLL_VDD
PA
0
/PW
M
2
PA
2
/PW
M
4
PA
1
/PW
M
3
R
S
G
A
2P
/T
7P
SP
DV
DD
RS
G
B
2P
RS
G
B
2
M
DG
ND/
CG
ND
PC7
PC
6
PD0
GPO1
NC/(HSYNCI)
PD4
PD3
PD2
PD1
PWMA/GPO7
GPO6
CVDD
INT_HSO/GPO5
INT_VSO/GPO4
AD1/GPO3
PWMB/GPO8
NC/(VSYNCI)
PC0*
PC1*
PC3/PWM0
PC5
PC4/PWM1
PB0/ADC0
PB1/ADC1
OSCO
OSCI
RSBA1M/V1
RSBA2P/V2
RSBA2M/V3
RSBA3P/V4
RSBA3M/V5
RSCLKAP/V6
RSCLKAM/V7
RSGA1P/VCKI
RSGA1M
CGND/DGND
R
S
R
A
1
M
/T6
M
/R
S
B
B
0
M
RS
RA
2P
/T
5P
/R
S
G
B
0P
RS
RA
2M
/T
5M
/R
S
G
B
0
M
RS
RA
3P
/T
4P
/R
S
R
B
0P
RS
RA
3M
/T
4M
/R
S
R
B
0
M
R
SBB1
M
/T
3
M
R
SBB
2
P
/T
C
L
K1
P
RS
B
B
2
M
/T
CL
K
1
M
R
SBB3
M
/T
2
M
R
SBB3
P/
T
2P
RS
CL
K
B
P
/T
1P
RS
CL
K
B
M
/T
1
M
R
S
G
B
1P
/T
0P
R
S
G
B
1M
/T
0M
RS
G
B
3
M
RS
G
B
3P
RS
RB
1
M
RS
RB
1P
RS
RB
2
M
RS
RB
2P
RS
RB
3
M
RS
RB
3P
KEY1
5
Cancel Eeprom(24C16), because the data can
input Scaler.11/23/07
R410
3.
9
K
O
H
M
1%
1/
16
W
VSO
R407
10K 1/16W 5%
R445
+5V
TCLK1P 3
R403
3K OHM 1/16W
TX
MCU_VDD
SDA
NONE OD
C415
0.1uF 16V
R450
NC
R445
NC
115
0R
R448
NC
R416
4K7 1/16W 5%
R411
3.
9
K
O
H
M
1%
1/
16
W
Summary of Contents for V203W
Page 1: ...1 Acer V203W Service Guide...
Page 11: ...11 Electrical Characteristics TFT LCD Module Power Specification Backlight Unit...
Page 12: ...12 Optical Specifications...
Page 22: ...22 eColor Management OSD...
Page 23: ...23 How to Adjust a Setting...
Page 24: ...24 Adjusting the picture...
Page 25: ...25...
Page 40: ...40 4 Power Board 5 Main Board...
Page 45: ...45 Power board...
Page 46: ...46...