Asus MW221 Service Manual page 21

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