Acer X193HQ Service Manual page 43

ESD_5V
CMVCC
D403
5, 6 CMVCC
BAT54C
CN404
1 SM340A
2 D402
3 CMVCC
4 CMVCC
5 BKLT-VBRI R450 NC
6 BKLT-EN NC(R0402)
7 C_PANEL_INDEX
8 Volume
9 Mute
CONN
VCC3.3
R441
1K 1/16W 5%
R442
BKLT-VBRI
adj_BACKLIGHT
100R 1/16W 5%
2008/01/14
BAT99 : If 0.05A,VF=1.0V
BAV70 : If 0.05A,VF=1.0V
ESD_5V 5
It's need to use Low Dropout Regulator.
DSUB_5V
DSUB_5V 5
D401
BAV99
CMVCC1
CMVCC1 5
BKLT-EN
R449
NC
PANEL_ID# 5
C425
Mute 5
NC
VCC3.3
R446
NC
Volume
Q408
2N3904S-RTK/PS
5
VCC3.3 VCC3.3
R437 R439
10K 1/16W 5% 10K 1/16W 5%
Q406
2N3904S-RTK/PS
on_BACKLIGHT
R440
4K7 1/16W 5%
VCC3.3
CMVCC1
R447
10K 1/16W 5%
Volume# 5
R448
4K7 1/16W 5%
T P V ( Top
G2904-1D-2-X-8-080709
絬 隔 瓜 絪 腹
Key Component 05.Power
Wednesday , July 09, 2008
Date
43
Due to LG doen't request PC'99 Function.
D401 R458
LG NC 0Ohm 1/16W
OTHER BAV99
VCC3.3
Q410
KN2907AS
Q409
KN2907AS
5
5 VCTRL
MVCC
FB403 NC
3
VIN
2
VOUT
1
ADJ(GND)
+ C426 C428
100uF25V 0.1uF/16V U404 C422
AP1117D33LA
0.1uF/16V
U404 can use package 232 or 252.
Victory Electronics Co . , Ltd. ) OEM MODEL ACER X193HQ/X183H
TPV MODEL
T8RMM5D82WABAN
PCB NAME 715G2904-1D-2
Sheet 7 of
NC
VCC1.8
VCC1.8 5
C432 C423
+
0.1uF/16V 100uF25V
VCC3.3
VCC3.3 4, 5
+ C427
100uF25V
B
Size
Rev 1c-2
<称爹>
称爹
7