Acer 390 Series Service Manual page 191

Notebook computer
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3,19
XD[0..7]
+5V
RP21
KROW8
1
10
KROW6
2
9
KROW7
+5V
KROW4
3
8
KROW5
KROW2
4
7
KROW3
5
6
KROW1
+5V
SRP10K
+5V
1
R282
CN18
10KR3
17
1
18
2
TCLK
2
19
3
20
4
C335
KROW2
21
5
SC47P
KROW4
22
6
KROW6
23
7
KROW8
24
8
KCOL2
25
9
KCOL4
26
10
KCOL6
27
11
KCOL8
28
12
KCOL10
29
13
KCOL12
30
14
KCOL14
31
15
KCOL16
32
16
MOLEX-CONN32B
Touch Pad & Internal Keyboard
+5V
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
C146
1
2
3
4
5
6
7
8
9
1
1
1
1
1
1
SCD1U
0
1
2
3
4
5
4 8
4 7
4 6
4 5
4 4
4 3
4 2
4 1
4 0
3 9
3 8
3 7
3 6
3 5
3 4
P 0
P 0
P 0
P 0
P 0
P 0
P 0
P 0
P 1
P 1
P 1
P 1
P 1
P 1
P 1
P 1
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
KROW8
49
P37
KROW7
50
P36
KROW6
51
P35
KROW5
52
P34
KROW4
53
P33
54
KROW3
P32
KROW2
55
P31
KROW1
56
P30
57
VCC
TDATA
58
P61/CNTR0
P 4
TCLK
59
P60/INT5/OBF2
XD7
60
5 /
DQ7
XD6
61
DQ6
I B
XD5
62
P 5
DQ5
P 5
P 4
P 4
F 0
P 4
P 4
XD4
63
DQ4
3 /
P 5
P 5
XD3
64
2 /
7 /
6 /
# /
4 /
3 /
DQ3
S R
1 /
0 /
S C
I N
I N
O B
O B
I N
D Q
D Q
D Q
W R
R D
C S
D Y
T X
R X
A 0
L K
T 4
T 3
F 1
F 0
T 2
2
1
0
#
#
#
#
D
D
1 0
1 1
1 2
1 3
1 4
1 5
1
2
3
4
5
6
7
8
9
XD2
XD1
I
I
K
S
M
M
I
I
XD0
O
O
B
A
S
S
R
R
W
R
C
2
D
C
Q
Q
#
#
S
A
L
1
1
#
T
K
2
3
IOW#
A
3
IOR#
ROMKBCS#
3
3
SA2
1,8
CLK_SEL0
1,8
CLK_SEL1
4
CRT
TPZ2
TP-1
1
R269
10KR3
2
COVERSW
3
+5V
+5V
C339
1
SCD1U
R290
10KR3
2
TDATA
KROW1
C340
KROW3
SC47P
KROW5
KROW7
KCOL1
KCOL3
KCOL5
KCOL7
KCOL9
KCOL11
KCOL13
KCOL15
K
C
+5V
+5V
O
L
1
6
1
R125
1
10KR3
RY4
3 3
U34
10KR3
2
2
P20 32
HOTKEY#
3
P21 31
HOTKEY1
3
P22 30
P23 29
P24 28
P25 27
CLLED#
CLLED#
22
P26 26
NLLED#
NLLED#
22
P27 25
VSS 24
XOUT 23
XIN 22
R123
CLK7M
8
P40 21
1
2
B_SMB_DATA
P41/INT0 20
RESET# 19
100R3
RSTDRV#
4
CNVSS 18
R103
P42/INT1 17
1
100R3
M38813
1 6
KBDATA
KBDATA
22,23
KBCLK
KBCLK
22,23
IRQ1
3,4
IRQ12
3,4
MSCLK
22,23
MSDATA
22,23
pull-high R at source
20
HDD_LED#
20
CDROM_LED#
1
3
CHGR_DATA
11
3
CHGR_CLK
2
B_SMB_CLK
B_SMB_DATA
4
B_SMB_CLK
8
PWRGOOD
22
PWRGOOD
+5v
+5v
1
R241
47KR3
1 4
DR0#
2
4
14
DR0#
5
+5v
7
U9C
1 4
HDD_LED#
9
8
CDROM_LED#
10
7
SSHCT08
Title
Size Document Number
A3
Date:
CHGR_5VSB
C277
SCD1U
U29A
1 4
2
CHGR_S_DATA
22
7 1 3
SO4066
U29B
1 4
10
CHGR_S_CLK
22
7 1 2
SO4066
U29C
1 4
3
SMB_DATA
22
7 5
SO4066
U29D
1 4
9
SMB_CLK
22
7 6
SO4066
C307
SCD1U
U9B
6
MEDIA_LED#
22
SSHCT08
ACER TAIPEI TAIWAN R.O.C
M38813 & LED & CHARGER SMBUS
390 ACERNOTE LIGHT
REV
96183
SD
August 4, 1997
Sheet
13
of
23

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