Schematic; Main Board - Asus MW201U Service Manual

20" LCD Color Monitor

6. Schematic

6.1 Main Board

715G2116-1
R137 R138
PWM_DUTY
0 1/10W NC
CN101 CONN
ON_OFF
2 1
GND 4 3 Brgihtness
VCC12V 6 5
VCC12V
GND GND
8 7
VCC5V 10 9 VCC5V
GND 12 11 GND
14 13 PowerSav ing
GND +5V
USB CTRL
6 USB CTRL
R101
1K 1/10W
R139
PWM_DUTY
6
NC
1K
R102
Q101
4 BKLT-PWM
PMBS3904
1K 1/10W
GND
+5V_S Q110
AO3401L
+ C136
C129
100uF/25V
0.1uF
PGATE
U105
LM3485
8
VIN FB
7
PGATE N.C
R127
33K 1/10W C137 6
PWGND AGND
0.001uF
5
ADJ ISENSE
GND
6
+12V
R116
+5V 1K 1/10W
PowerSav ing-ctrl PMBS3904
R140 NC
GND
0.1uF
C105
C102 + C103 + C104
R103
0.1uF 220uF/25V
220uF/25V
1/10W
+
C101
GND
22uF/50V
+12V
For USB
5
GND 4 CN102
USB CTRL
3
2
1
CONN
GND
L103 +1.8V
R129
2.2UH
0 1/8W
D101 R128
SR54 22 1/10W
C126
4 0.001uF 2/2
3
2 R130 C139
1 15K 1/10W 0.001uF
R131
31.6K 1/10W
GND
CLOSE TO U602
+5V
3 D
R115
AO3401
1K 1/10W
1 2
G S
R104
BKLT-EN 6
Q106 4.7K 1/10W
GND
PS ON/OFF
6 PS ON/OFF
+3.3V VCPU
R136
+5V 0 1/10W
U106
3 2
VIN VOUT
C128 1
ADJ
C132 + C133
0.1uF
AIC1084-33M/NC 0.1uF 220uF/25V
GND GND GND GND
+5V
R117
10K
R118
4.7K 1/10W R108
R119 47K
6
Q107
PANEL_EN
PMBS3904
47K 1/10W C122
1uF/16V
GND
20
+5V_S TO-263
R133
+5V
0 1/8W U101
3
VIN
Q108 C131 1
ADJ
R132 C130 AO3401L/NC +
NC 220uF/25V C106
NC 0.1uF AIC1084-33PM
GND GND
R134 05/11/22 modify
NC
PowerSav ing-ctrl
R135 NC
Q109
NC L102
1 2
+5V 120 OHM
GND
C109 Q103 C110
R105
+
0.1uF AO3401L
10K 1/10W
220uF/25V
R106
0 1/10W
R107
Q102
6 SDRAM_EN
PMBS3904
47K 1/10W
GND
+12V +5V
R110 R109
NC
4.7K 1/10W
R111
1/10W
100K 1/10W C120
Q104 C119
1/10W PMBS3904 0.1uF
C117 C118 0.022uF
NC 1uF/16V
C121
22uF/50V
GND
Title
Size Document Number
Custom
Date: Monday , April 24, 2006
ASUS MW201U
+3.3AVDD
+3.3V
L101
2 1 2
VOUT
120 OHM
C107 + C108
0.1uF 220uF/25V
GND GND
TO-252
U102 +3.3V_SD
3 2
VIN VOUT
1 C112
ADJ
C111 + C113
0.1uF AIC1117-33M 220uF/25V 0.1uF
GND GND GND
+VLCD
Q105
+5V +3.3V +12V
4 5
G D
3 6
S D
2 7
S D
1 8 R112 R113
S D
NC R114
0 1/10W NC
AO4411L
+
GND
MST9259 715G2116
Rev
POWER&INVERTER A
Sheet 2 of 7