Asus MW221C Service Manual page 23

22" LCD Color Monitor
VCC3.3
3 RIN
3 GNDR
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
R403
AVDD_33
390R 1/10W 1%
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
PM25LV010A
WP
+5V R487
10K 1/10W 5%
C418
+
10uF/50V C421 22pF R502
20 OHM 1/10W
X401
14.31818MHz
R501
C423 22pF
R404 20 OHM 1/10W
10K 1/10W 5%
VDDP
R407
NC
+5V R415
U406
NC
3 2
VCC RST
Re set
Circuit
VCC3.3
C463
0.22uF
U407 100R 1/10W 5%
1 8
NC VCC
2 7 R493
NC WP
3 6 R494
A2 SCL
4 5 R495
VSS SDA
100R 1/10W 5% 100R 1/10W 5%
CAT24C08W
For HDCP
+5V
R412
1K 1/10W 5%
R410 NC
Volume R402 Q407
4K7 1/10W 5% PMBS3904
AVDD_33 VDDC VDDP
AVDD_18 AVDD_MEMPLL_33
103
VCTRL
28
RIN0P
27 75
RIN0M NC
25 76
GIN0P NC
24 77 PA0
GIN0M LVA3P
26 78 PA1
SOGIN0 LVA3M
23 79 PA2
BIN0P LVACKP
22 80 PA3
BIN0M LVACKM
32 81 PA4
HSYNC0 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 NC
15 90
RX0P NC
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
100 PB9
LVB0M
31
TSUMO58CWHJ-LF
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 R411
GPIO_P00/SAR0
120 R418
GPIO_P01/SAR1
121 R420
GPIO_P02/SAR2
108 122
RST GPIO_P03/SAR3
123 R422
GPIO_P06
124 R423
GPIO_P07
125
GPIO_P13/PWM2
128 3
XIN GPIO_P15
4
GPIO_P16
VDDP
127
XOUT
60
VDDP
65
VDDP
102 66
BY PASS VDDP
71
VDDP
C456
39
I2C_MCL
0.1uF 38
I2C_MDA
37 C458
MODE
57
NC
56 0.1uF
NC
55
NC
61 VCC3.3
NC
64
NC
67
NC
70
NC
118 45
NC GPIO_P47
110 46
NC GPIO_P46
111 47
NC GPIO_P45
115 48
NC GPIO_P44
116 49 R491
NC GPIO_P43
117 50
NC GPIO_P42
HDCP_WP
R417 R416 R496 +12V
10K 1/10W 5%
1 2
+12V 2
FB407 120OHM
HDCP_WP +5V
HDCP_SCL
HDCP_SDA 1 2
+5V
FB408 120OHM
R497
NC
+5V
R430
NC 1 2
3 4
5 6
R431 R432 0R05 1/10W 5% 7 8
4K7 1/10W 5% 9 10
OUT-L+ 11 12
R433 Q404 OUT-L- 13 14
NC NC C431
1uF/16V CN404 CONN
VCC3.3 FB405 AVDD_MEMPLL_33
1 2
300OHM
VCTRL 2
VCC1.8 AVDD_18
FB401
0R05 1/8W
PA[0..9]
PA[0..9] 5
R405
PB[0..9]
PB[0..9] 5
VCC3.3
Volume
R413
DET_VGA 3
R488 100R 1/10W 5% WP
on_PANEL 2
1
100R 1/10W 5% POWER
100R 1/10W 5% KEY1
100R 1/10W 5% KEY2
AUDIO_STBY
4K7 1/10W 5%
4K7 1/10W 5%
adj_BACKLIGHT 2
DET_DVI 3
AUDIO_MUTE
VCC3.3
C457 R424 R425 R426
C425
0.1uF 10K 1/10W 5% U403
8 1 0.22uF
VCC A0
R427 100R 1/10W 5% 7 2
WP A1
R428 100R 1/10W 5% 6 3
SCL A2
R429 100R 1/10W 5% 5 4
SDA GND
C459 C460 24LC16B/SNG
0.1uF VCC3.3
0.1uF
R481 R482
R492 NC NC
NC HDCP_SCL
HDCP_SDA
HDCP_RST 3
Q405
NC PMBS3906
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
10K 1/10W 5% 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
23
VCC3.3 FB403
VDDP
1 2
2 VCC3.3
300OHM
C408 C410
+
10uF/50V 0.1uF
C416
C409 C411
0.1uF 0.1uF 0.1uF
VCC1.8
2 VCC1.8
C455
C464 4.7uF/50V
+
22uF/50V
0.1uF
VCC3.3
DDC_WP 3
22K 1/10W Q402 1
PMBS3904
C422
0.1uF
R414
120R 1/10W
VCC3.3
Q401 R408 R409
PMBS3906 120R 1/10W
LED_G
R421 0R05 1/10W 5%
1 Q403
PMBS3906
LED_A
R419 0R05 1/10W 5%
VCC3.3
R475
R474
3K9 1/10W 3K9 1/10W
KEY2
R476 1K 1/10W 5%
R478
1K 1/10W 5%
R480 NC
KEY1 R500 0R05 1/10W 5%
R477 1K 1/10W 5%
R479
1K 1/10W 5%
LED_G
LED_A
POWER
C426 C427 C428 C429 D401 C430 D402
RLZ36B
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
04. SCALER
Size Document Number
Custom
Date: Tuesday , August 14, 2007
ASUS MW221C
C412 C419 C461
0.1uF 0.1uF 0.1uF
C413 C420
0.1uF 0.1uF
VDDC
FB404
0R05 1/8W
C403 C405 C402
+
0.1uF 0.1uF
C404 C406
0.1uF 0.1uF
FB402 AVDD_33
2
300OHM
C407 C415
0.1uF 0.1uF
C414
0.1uF
KEY_AUTO
KEY_RIGHT
KEY_A
KEY_B
KEY_MENU
KEY_LEFT
KEY_C
Rev
715G2186 3 1
Sheet 4 of 5