Acer X241 Service Manual page 66

5
+12V
L9 L9
1 2
200UH 200UH
R237 R237 R225 R225
150/1206 150/1206
+ +
390K/6 390K/6
U15 U15
8 1
DRI SC
7 2
IPK SE
6 3
VCC TC
D
5 4
FB GND
GND
AIC1563 AIC1563
GND GND
ADD 12V to 18V 10/14/2005
FB19 L1206 FB19 L1206
+5V
C
C171 C171
0.1uF 0.1uF
C201 C201
+ +
100uF/25V 100uF/25V
GND
GND
U14 U14
FB26 L1206 FB26 L1206
3
+5V
1
C202 C202 C192 C192 AIC1084/TO263 AIC1084/TO263
+ +
0.1uF 0.1uF
47uF/25V 47uF/25V
GND GND
B
09/23 ADD
D17 D17 D18 D18
1N4001 1N4001 1N4001 1N4001
+5V
C199 C199
+ +
100uF/25V 100uF/25V
GND
H5 H5 MTH276D126 MTH276D126 H6 H6 MTH276D126 MTH276D126
2 9 2 9
3 8 3 8
4 7 4 7
1 1 1 1
5 6 5 6
H1 H1 MTH276D126 MTH276D126 H2 H2 MTH276D126 MTH276D126 H3 H3
A 2 9 2 9
3 8 3 8
4 1 1 7 4 1 1 7
5 6 5 6
GND_PWR GND_PWR GND GND GND
5
4
+18V
D19 D19
FB32 L1206 FB32 L1206
C A
C206 C206
SSM54PT SSM54PT 2200pF/6 2200pF/6 C207 C207
0.1uF /6 0.1uF /6
R224 R224 C204 C204
+ +
13.7K/1% 13.7K/1%
330uF/25V 330uF/25V
R172 4K7 R172 4K7
PWM0/BOOT5
R223 R223 GND
1K/1% 1K/1% GND
C195 C195
+5V
330pF/5% 330pF/5%
R231 R231 4K7/6/NC 4K7/6/NC
R232 R232 0/6 0/6
GND
R250 R250
PBIAS
4K7/6/NC 4K7/6/NC
Add 5V for avoiding lack current 11/2
+3.3_DVDD +3.3_AVDD
U12 U12
FB20 L1206 FB20 L1206
3 2
VIN VOUT
1 4
ADJ/GND Vout
AIC1084/TO263 AIC1084/TO263 C196 C196
+ +
R186 R186
200R 1% 200R 1% 100uF/25V 100uF/25V C173 C173
0.1uF 0.1uF
R194 R194 GND GND
330R 1% 330R 1%
GND
FB30 FB30
L1206/NC L1206/NC
+3.3_SDRAM
FB31 L1206 FB31 L1206
2
VIN VOUT
4
Vout
ADJ/GND
C197 C197
+ +
R219 R219 C194 C194
200R 1% 200R 1% 47uF/25V 47uF/25V 0.01uF 0.01uF
R220 R220 GND GND
330R 1% 330R 1%
GND
+1.8_DVDD +1.8V_AVDD
U13 U13
FB21 L1206 FB21 L1206
3 2
VIN VOUT
4
Vout
1
ADJ/GND
AIC1084/TO263 AIC1084/TO263
R203 R203
C184 C184 330R 1% 330R 1% C198 C198 C186 C186
+ +
0.1uF 0.1uF 0.1uF 0.1uF
100uF/25V 100uF/25V
GND R204 R204 GND
147R 1% 147R 1%
GND GND
MTH276D126 MTH276D126 H4 H4 MTH276D126 MTH276D126
FB24 FB24 L1206 L1206
2 9 2 9
3 8 3 8
FB25 FB25 L1206 L1206
4 1 1 7 4 1 1 7
5 6 5 6
AGND GND
GND GND_AUD GND_AUD
4
3
Change 5V to 3.3V
+3.3_DVDD
R170 R170
1K 1K
ADJ
R171 R171 100 100
B C163 C163 C164 C164
Q5 Q5 22uF/10V/NC 22uF/10V/NC 0.1uF/NC 0.1uF/NC GND_PWR
3904 3904
GND
GND
R173 1K R173 1K
ON/OFF
C169 C169
MMST3906/NC MMST3906/NC
0.1uF 0.1uF
Q16 Q16
GND
GND
+3.3_DVDD
exchange for ESD 11/2
2 CN8 CN8
R187 R187 100R 100R
1
R188 R188 100R 100R
2
R189 R189 100R 100R
1 3
3
R190 R190 100R 100R
4
R191 R191 100R 100R
TO263
5
R192 R192 100R 100R
6
R193 R193 100R 100R
Component
7
R195 R195 100R 100R
top view 8
R196 R196 100R 100R
9
10
4501-10-10P-R 4501-10-10P-R
GND
FB27 FB27
+18V
FB22 FB22
+12V
FB23 FB23
+5V
R206 R206
0R/NC 0R/NC
R210 R210
4K7 4K7
PPWR
GND_PWR
3
2
12V
L1206 L1206
CN7 CN7 FB28 FB28
1 2
3 4
5 6
C159 C159 C161 C161
7 8
0.1uF 0.1uF 0.1uF 0.1uF
HEADER-2X4/S D2.0 HEADER-2X4/S D2.0 GND_PWR
GND_PWR
FB17 FB17 L1206 L1206
C165 C165 C167 C167
0.1uF 0.1uF 0.1uF 0.1uF
GND_PWR
GND
R185 R185 0R/NC 0R/NC LBADC1
LBADC1
GPIO24/MENU
GPIO24/MENU
GPIO25/SEL
GPIO25/SEL
GPIO26/POWER
GPIO26/POWER
GPIO27/DOWN
GPIO27/DOWN
GPIO28/UP
GPIO28/UP
GPIO29/RIGHT
GPIO29/RIGHT
LEFT/LED_G
R197 R197 R198 R198 R199 R199
0R 0R 100R/NC 100R/NC 0R/NC 0R/NC
Q8 Q8 R200 R200 4K7/NC 4K7/NC GPIO30/KEYPAD
3906/NC 3906/NC
Q9 Q9 R201 R201 4K7 4K7 GPIO4/LED_BLUE
3906 3906
Q10 Q10 R202 R202 4K7 4K7 GPIO3/LED_ORANGE
3906 3906
+3.3_DVDD
L1206/NC L1206/NC
L1206/NC L1206/NC
L1206 L1206
R205 R205 Q11 Q11
SI9435 SI9435
C187 C187 4K7 4K7
1 8
1uF 1uF
2 7
3 6
4 5
C203 C203
C188 C188 Q12 Q12
0.1uF/NC 0.1uF/NC R207 R207 SI9435/NC SI9435/NC 330uF/25V 330uF/25V
R208 R208 4K7/NC 4K7/NC 1 8
2K 2K
2 7
3 6
GND 4 5 GND
B
R209 R209
Q13 Q13 100R/NC 100R/NC
3904 3904 R211 R211
GND 1K/NC 1K/NC
R233 R233 4K7/NC 4K7/NC
B
GPIO17_PANCUR
Q14 Q14
3904/NC 3904/NC
GND
GND
Mofidy for discharge circuit 11/2
Title Title Title
Size Size Size
Date: Date: Date:
2
1
+12V
C162 C162
0.01uF 0.01uF
3 3
GND +5V
D
1 2 1 2
3906 3904
C168 C168
0.01uF 0.01uF
Component Component
top view top view
C
GPIO31/KEYPAD
GPIO4/LED_BLUE
GPIO3/LED_ORANGE
B
PNL_PWR
C190 C190
0.1uF 0.1uF
+ +
GND
A
PROJECT : WDTD PROJECT : WDTD
T T
07. Power/Keypad 07. Power/Keypad 07. Power/Keypad
Document Number Document Number Document Number Rev Rev Rev
L0TB L0TB L0TB
C3A C3A C3A
SCHEMATIC1 SCHEMATIC1 SCHEMATIC1
Friday, November 24, 2006 Friday, November 24, 2006 Friday, November 24, 2006 Sheet Sheet Sheet 6 6 6 of of of 7 7 7
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