Mitac secret confidential document, 6 keyboard (k/b) touch-pad (t/p) test error-2 – MiTAC 8050QMA User Manual
Page 123
122
80
80
50QMA
50QMA
N/B Maintenance
N/B Maintenance
C330
22P
28
29
C326
22P
X2
8MHZ
R328
1M
T_CLK
T_DATA
6
9
L47
130Z/100M
11,12
9,10
TP_CLK
TP_DATA
U709
South Bridge
ICH6-M
+VDD3
71
U13
Keyboard
BIOS
W83L950D
8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error-2
Error message of keyboard or touch-pad failure is shown or any key does not work.
U14
SYSTEM
BIOS
SST49LF004A
P
24
P
11
SERIRQ
69
13~15,17
LAD[0..3]
65~68
J5
+5V
L48
120Z/100MHZ
C537
0.1µ
Touch-Pad
P
24
F2
0.5A/POLYSW
1,2
SW_RIGHT
5,6
7,8
SW_LEFT
R346
10K
R348
10K
+5VS
74
+KBC_CPUCORE
R704
10K
+3VS
LAD[0..3]
P
23
KI[0..7]
KO[0..15]
17~24
1~16
Internal
Keyboard Connector
P
23
J4
55~62
39~54
KBD_US/JP#
25
R146
10K
+3VS
LFRAME#
LFRAME#
23
63
+3VS
7
32,1
C694
0.1µ
8
25,27
R317 4.7K
R315 4.7K
C709
4.7µ
KBD_US/JP#
R168
0
C541
47P
C542
47P
C539
47P
C540
47P
L72
130Z/100M
SW3
1
5
3
2
4
SW4
1
5
3
2
4
+5V
MiTac Secret
Confidential Document