MiTAC E-8590 - Page 171

170
LCD PC E
LCD PC E
-
-
8590 MAINTENANCE
8590 MAINTENANCE
******Reset Circuit Checking(1)******
SW1
R158
1K
+VDD5
R385
20K
C383
0.1U
14
7
1
2
+VDD3
R431
100K
C11
0.1U
14
7
3
4
+VDD3
SB_PWRBTN#
PWRON#
From page 10
+VDD5
PWRBTN#
+VDD5
R378
10K
C371
1U
1
3
2
+CPUCORES
CPUTHRM_TRIP#
GPO31
SIO_THRMALARM#
RSMRST#
PROTECT
D26
RLS4148
Q24
DTC114TKA
Q27
DTC144WK
U22A
74HC14_V
U22B
74HC14_V
D33
BAT54C
R382
1K
R386
6.04K
1
3
2
+VDD5
R393
4.7K
PROTECT
R365
3.48K
R374
6.65K
U22C
74HC14_V
U22D
74HC14_V
CPU_PWRGD
R380
22
SB_PWRGD
SUSB#
Q28
MMBT3904
R387
4.7K
Q25
2N7002
U3
MOBIL_
NORTHWOOD
1
3
U18
VT8235_7
P27
P9
U26A
7474_V
Q
Q
CLK
D
CL
RR
P27
J22
ATXPOWER_OK
PS_ON
8
14
PW_OK
+VDD5
14
7
9
8
+VDD3
+VDD3
14
7
5
6
P3
9
P27
From PAGE 24
8.2 No Display (System Failure)
PWRBTN#
Power Supply
PWRGDNB
To page4