eMachines E181H Service Guide - Page 49

Schematic Diagram - volume

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Schematic Diagram Main Board Power DSUB_5V CN404 1 2 3 4 5 6 7 8 9 CONN +5V D403 SM240A BAT54C D401 5VCC BKLT-VBRI BKLT-EN C_PANEL_INDEX Volume Mute R448 100R 1/16W 5% Volume# 2 +5V VCC3.3 R457 10K 1/16W 5% BKLT-VBRI R442 100R 1/16W 5% R441 NC BL_ADJ 2 +5V BKLT-EN C425 NC R437 10K 1/16W 5% Q406 2N3904S-RTK/PS R440 4K7 1/16W 5% BL_ON 2 +5V VCC3.3 Mute R426 NC R444 10K 1/16W 5% R424 100R 1/16W 5% Mute# 2 +5V VCC3.3 R425 NC C_PANEL_INDEX R443 NC R438 NC Panel_ID# 2 U406 3 VIN NC/AP1117E33LA VOUT 2 U406 U404 ノ Layout 2007/11/15 1 VSS 44 5VCC + C426 100UF25V C428 0.1uF/16V VIN VOUT 3 2 1 ADJ(GND) U404 AP1117D33LA VCC3.3 C422 0.1uF/16V + C427 100UF25V Chapter 7 T P V ( Top Victory Electronics Co . , Ltd. ) G3213-A-X-X-2-080707 Key Component Date 05.Power Monday , July 07, 2008 OEM MODEL e-Machine TPV MODEL ACER PCB NAME 715G3213-A Sheet 5 of 5 Size B Rev A 称爹 49

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49
Schematic Diagram
Main Board
Power
R444
10K 1/16W 5%
C422
0.1uF/16V
BL_ON 2
R440
4K7 1/16W 5%
+5V
U406
NC/AP1117E33LA
1
2
3
4
VSS
VOUT
VIN
4
BKLT-EN
+5V
R448
100R 1/16W 5%
D401
BAT54C
5VCC
C_PANEL_INDEX
D403
SM240A
BL_ADJ 2
BKLT-VBRI
Volume
C425
NC
VCC3.3
BKLT-VBRI
R426
NC
R438
NC
Volume# 2
Mute
+5V
BKLT-EN
R441
NC
Q406
2N3904S-RTK/PS
Panel_ID# 2
DSUB_5V
VCC3.3
C428
0.1uF/16V
R443
NC
Mute
ACER
A
e-Machine
B
5
5
Monday, July 07, 2008
715G3213-A
<
称爹
>
05.Power
G3213-A-X-X-2-080707
OEM MODEL
Size
Rev
Date
Sheet
of
TPV MODEL
PCB NAME
称爹
T P V
( Top
Victory
Electronics
Co . ,
Ltd. )
Key Component
絬
隔
瓜
絪
腹
CN404
CONN
1
2
3
4
5
6
7
8
9
R425
NC
U404
AP1117D33LA
1
2
3
ADJ(GND)
VOUT
VIN
R437
10K 1/16W 5%
+
C426
100UF25V
C_PANEL_INDEX
+5V
R442
100R 1/16W 5%
VCC3.3
Mute# 2
R424
100R 1/16W 5%
VCC3.3
R457
10K 1/16W 5%
+5V
5VCC
+
C427
100UF25V
U406 U404
ノ
Layout
2007/11/15
Chapter 7