Acer X233HZ, Service Manual

Page: 50 / 51

50
Key board
GND
R002 2K OHM 1% 1/10W
AUTO
LBADC1
VOL-
(2K)
P
O
W
E
R
MENU
(2K)
(GND)
(1K)
LBADC2
VOL+
0 V
A
U
T
O
LBADC1
R004 2K OHM 1% 1/10W
LBADC2
M
E
N
U
LED_GRN#
LED_RED#
change Net name
MENU--->AUTO
AUTO----MENU
DC_POWERON
1
2
3
4
5
6
CN001
CONN
2007/5/11
1 2
4 3
5
SW006
SW
1 2
4 3
5
SW003
SW
G
1
GND1
GND-EMI
G
1
GND2
GND-EMI
GND
1 2
4 3
5
SW004
SW
1 2
4 3
5
SW001
SW
ECOLOR
Z
D
0
0
5
U
D
Z
S
5
.6
B
1 2
4 3
5
SW002
SW
2007/5/18 2007/5/18 2007/5/18 2007/5/18 2007/5/18
2007/5/18
CONNECTOR
1 2
4 3
5
SW005
SW
C
0
0
6
N
C
V
O
L
+
C005
NC
C002
NC
C
0
0
8
N
C
C003
NC
Z
D
0
0
2
U
D
Z
S
5
.6
B
2007/5/18
C001
NC C004
NC
1.1V
1.1V
0.65V
LED
POWER AUTO MENU VOL- VOL+
C
0
1
0
N
C
Z
D
0
0
1
U
D
Z
S
5
.6
B
CN001
Z
D
0
0
6
U
D
Z
S
5
.6
B
C
0
1
1
N
C
C
0
0
9
N
C
E
C
O
L
O
R
GND
2007/5/18
C
0
0
7
N
C
Z
D
0
0
4
U
D
Z
S
5
.6
B
R005 1K 1/10W 1%
OEM MODEL Size
Rev
Date Sheet of
TPV MODEL
PCB NAME
称 称
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹 ACER A
X173/X173W/X193W/P193W/X223W
B
1 2 Sunday , June 17, 2007
715G2731-B-AC
<
称称
>
02.Key Board
G2731-B-AC-X-1-070617
LED_RED#
c
1
A
1
2
A
2
3
LED001
LED
Z
D
0
0
3
U
D
Z
S
5
.6
B
ECOLOR(GND)
V
O
L
-
GND
0 V
LED_GRN#