Acer B223W Service Manual page 43

CN401
1 CMVCC
2
3 CMVCC
4 CMVCC
5 BKLT-VBRI
6 BKLT-EN
7
8 Volume#
9 Mute
CONN
C405
0.1uF/16V
DGND 1,2,3
TO-252
U702
CMVCC
R402 5.1 OHM 2W 3
INPUT
2
OUTPUT
C411 C403 1
+
ADJ/GND
0.1uF/16V 100uF/25V
AZ1117D-1.8-E1
Add HPD_CTRL to Control USB Power
R401
10K 1/16W 5%
HPD_CTRL 2 BKLT-EN
Volume# 2
C406
Mute 2
NC
VCC3.3
R405
10K 1/16W 5%
R406
BKLT-VBRI
1K 1/16W 5%
VCC1.8
C410 C402
+
100uF/25V
0.1uF/16V
C407
100uF/25V
T P V ( Top Victory Electronics
G3127-A-X-X-1-080222
絬 隔 瓜 絪 腹
Key Component 4.0.POWER
Date Friday , May 09, 2008
VCC3.3 VCC3.3
R403
10K 1/16W 5%
R404
4K7 1/16W 5%
Q403
on_BACKLIGHT 2
2N3904S-RTK/PS
adj_BACKLIGHT 2
CMVCC
R407 NC
CMVCC
D419
3
SM340A
C409
+
0.1uF/16V
Co . , Ltd. ) OEM MODEL
B223W
TPV MODEL
B223W
PCB NAME 715G3127-A
Sheet 4 of
43
FB402
NC
VCC3.3
U701
2
VIN VOUT
C401
AP1117E33LA + C408
100uF/25V
0.1uF/16V
Size
Rev
称爹
5
A
A
<称爹>