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Asus MW221 Service Manual page 21

22" lcd color monitor
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22" LCD Color Monitor
VCC3.3
3
RIN
3
GNDR
R489
3
GIN
3
GNDG
3
SOG
3
BIN
3
GNDB
3
HSY NC
3
VSYNC
3
DDCA_SDA
3
DDCA_SCL
3
R+
3
R-
3
G+
3
G-
3
B+
3
B-
3
CLK+
3
CLK-
3
DDCD_SDA
3
DDCD_SCL
AVDD_33
R403 390
 
VCC3.3
C401
0.1uF
R486
C417
NC
U402
0.22uF
8
2
VDD
SDO
7
1
HOLD#
CE#
3
6
WP#
SCK
4
5
VSS
SDI
PM25LV010-25SCE
WP
R487
+5V
10K
1/10W
 
R501
+
C421 22pF
C418
10uF/50V
0Ω 1/10W
X401
14.31818MHz
R502
R404
C423 22pF
0Ω 1/10W
10K
1/10W
 
VDDP
R407
NC
+5V
U406
NC
R415
10K
 
1/10W
3
2
VCC
RST
Re s e t
Circuit
VCC3.3
C463
NC
U407
1
8
A0
VCC
2
7
R493
NC
A1
WP
3
6
R494
NC
A2
SCL
4
5
R495
NC
GND
SDA
NC
For HDCP
+5V
R412
NC
R410 NC
R402
Volume
Q407
NC
NC
AVDD_33
VDDC
VDDP
AVDD_18
AVDD_MEMPLL_33
103
VCTRL
28
RIN0P
27
75
RIN0M
LVA4P
25
76
GIN0P
LVA4M
24
77
PA0
GIN0M
LVA3P
26
78
PA1
SOGIN0
LVA3M
23
79
PA2
BIN0P
LVACKP
22
80
PA3
BIN0M
LVACKM
32
81
PA4
HSY NC0
LVA2P
33
82
PA5
VSYNC0
LVA2M
34
83
PA6
DDCA_SDA/RS232_TX
LVA1P
35
84
PA7
DDCA_SCL/RS232_RX
LVA1M
85
PA8
LVA0P
9
86
PA9
RX2P
LVA0M
10
RX2N
12
RX1P
13
89
RX1N
LVB4P
15
90
RX0P
LVB4M
16
91
PB0
RX0N
LVB3P
18
92
PB1
RXCKP
LVB3M
19
93
PB2
RXCKN
LVBCKP
5
94
PB3
DDCD_SDA
LVBCKM
6
95
PB4
DDCD_SCL
LVB2P
96
PB5
LVB2M
97
PB6
LVB1P
98
PB7
LVB1M
7
99
PB8
REXT
LVB0P
1/10W
100
PB9
LVB0M
TSUMU58WJ
31
REFP
30
REFM
2
GPIO_P14/PWM0
36
GPIO_P22/PWM1
51
GPIO_P24/PWM2
41
LVDS
SDO
42
73
CSZ
GPIO_P04
43
109
SCK
GPIO_P25
44
SDI
119
GPIO_P00/SAR0
120
GPIO_P01/SAR1
121
GPIO_P02/SAR2
108
122
RST
GPIO_P03/SAR3
123
GPIO_P06
124
GPIO_P07
125
GPIO_P13/PWM2
128
3
XIN
GPIO_P15
4
GPIO_P16
VDDP
127
XOUT
60
VDDP
65
VDDP
102
66
BYPASS
VDDP
71
VDDP
C456
39
I2C_MCL
0.1uF
38
I2C_MDA
37
MODE
57
NC
56
NC
55
NC
61
VCC3.3
NC
64
NC
67
NC
70
NC
118
50
NC
GPIO_P47
110
49
NC
GPIO_P46
111
48
NC
GPIO_P45
115
47
NC
GPIO_P44
116
46
R491
NC
GPIO_P43
117
45
NC
GPIO_P42
HDCP_WP
R417
R416
R496
+12V
NC
NC
NC
+12V 2
FB407
HDCP_WP
NC
+5V
HDCP_SCL
HDCP_SDA
+5V
FB408
R497
NC
NC
+5V
CN404
R484
R430
NC
1
2
NC
3
4
R431 NC
5
6
R432
NC
7
8
9
10
R433 NC
OUT-L+
11
12
Q404
OUT-L-
13
14
NC
C431
NC
NC
VCC3.3
FB405
AVDD_MEMPLL_33
600 OHM
VCTRL
2
VCC1.8
FB404
600 OHM
C464
4.7uF/50V
PA[0..9]
PA[0..9]
5
22K
10K
PB[0..9]
PB[0..9]
5
Volume
R413
DET_VGA 3
WP
R488
100
 
1/10W
on_PANEL 2
R411
100
1/10W
POWER
 
R418
100
 
1/10W
KEY1
R420
100
 
1/10W
KEY2
AUDIO_STBY
R422
4.7K
 
1/10W
R423
4.7K
 
1/10W
adj_BACKLIGHT 2
DET_DVI
3
AUDIO_MUTE
VCC3.3
C457
0.1uF
R424
R425
R426
10K
1/10W
10K
1/10W
10K
1/10W
U403
 
 
 
8
1
VCC
A0
R427 100
 
1/10W
7
2
WP
A1
R428
100
 
1/10W
6
3
SCL
A2
R429
100
 
1/10W
5
4
SDA
GND
C458
C459
C460
24LC16B/SNG
VCC3.3
0.1uF
0.1uF
0.1uF
R481
R482
R492
NC
NC
NC
HDCP_SCL
HDCP_SDA
HDCP_RST 3
Q405
NC
NC
KEY _A
on_BACKLIGHT 2
R483
C462
NC
NC
R499
NC
2,3
CN403
+5V
KEY _B
1
2
KEY _A
(Source)
LED_G
3
4
LED_A
KEY _AUTO
5
6
KEY _MENU
R485
KEY _RIGHT
7
8
KEY _LEFT
NC
POWER
9
10
11
12
KEY _C
OUT-L+
13
14
OUT-R+
AUDIO_STBY
OUT-L-
15
16
OUT-R-
AUDIO_MUTE
OUT-R+
OUT-R-
CONN
21
VCC3.3
FB403
VDDP
2
VCC3.3
600 OHM
+
C408
10uF/50V
C416
C409
C410
C411
0.1uF
0.1uF
0.1uF
0.1uF
VCC1.8
AVDD_18
2
VCC1.8
600 OHM
+
C455
0.1uF
VCC3.3
FB402
DDC_WP 3
Q402
R405
PMBS3904
600 OHM
 
1/10W
C422
R406
0.1uF
 
1/10W
VCC3.3
R414
120
 
1/10W
VCC3.3
Q401
R408
R409
PMBS3906
LED_G
120
 
1/10W
R421
0
1/10W
 
Q403
PMBS3906
LED_A
R419 0
 
1/10W
VCC3.3
C425
0.22uF
R474
R475
3.9K
 
1/10W
3.9K
 
1/10W
KEY2
R476
1KΩ 1/10W
R478
1KΩ 1/10W
KEY1
R500
0Ω 1/10W
R477
1KΩ 1/10W
R479
1KΩ 1/10W
LED_G
LED_A
POWER
C426
C427
C428
C429
D401
C430
D402
RLZ36B
0.1uF
0.1uF
0.1uF
0.1uF
CN402
LED_G
1
2
LED_A
POWER
3
4
KEY _MENU
KEY _LEFT
5
6
KEY _RIGHT
KEY _AUTO
7
8
KEY _C
9
10
NC
Title
SCALER
Size
Document Number
Custom
Date:
Thursday , October 12, 2006
ASUS MW221
C412
C413
C419
C420
C461
0.1uF
0.1uF
0.1uF
0.1uF
0.1uF
FB401
VDDC
C403
C402
+
4.7uF/50V
0.1uF
C404
C405
C406
0.1uF
0.1uF
0.1uF
AVDD_33
C407
0.1uF
C414
C415
0.1uF
0.1uF
KEY _AUTO
KEY _RIGHT
KEY _A
KEY _B
R480 NC
KEY _MENU
KEY _LEFT
KEY _C
Rev
B
715G2186-1
Sheet
4
of
5

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