Chapter 7 Schematic Diagram; Main Board - eMachines E191W Service Manual

Schematic Diagram

Main Board

Power
+5V
CN404
D403
1 SM240A
2
3
4
5 BKLT-VBRI
6 BKLT-EN
7 C_PANEL_INDEX
8 Volume
9 Mute
CONN
+5V VCC3.3
R457
10K 1/16W 5%
BKLT-VBRI
R442
100R 1/16W 5%
+5V
R437
10K 1/16W 5%
BKLT-EN
Q406
2N3904S-RTK/PS
C425
NC R440
4K7 1/16W 5%
DSUB_5V
BAT54C
D401
5VCC
Volume# 2
R448
100R 1/16W 5%
+5V
R441 R426
NC NC
Mute
BL_ADJ 2
R424
100R 1/16W 5%
+5V
R425
NC
C_PANEL_INDEX
R443
NC
BL_ON 2
5VCC
+ C426
100UF25V
VCC3.3
R444
10K 1/16W 5%
Mute# 2
VCC3.3
R438
NC
Panel_ID# 2
T P V ( Top
絬 隔 瓜 絪 腹
Key Component 05.Power
Date
U406 U404 ノ
U406 NC/AP1117E33LA
2007/11/15
3 2
VIN VOUT
VCC3.3
3
VIN
2
VOUT
1
ADJ(GND)
C428
0.1uF/16V U404 C422 C427
+
AP1117D33LA
0.1uF/16V 100UF25V
Victory Electronics Co . , Ltd. ) OEM MODEL
e-Machine
G3213-A-X-X-2-080707 TPV MODEL
ACER
PCB NAME 715G3213-A
Monday , July 07, 2008 Sheet 5 of
Chapter 7
Layout
Size B
Rev A
<称爹>
称爹
5
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