MiTAC E-8590 - Page 168

167
LCD PC E
LCD PC E
-
-
8590 MAINTENANCE
8590 MAINTENANCE
When the power button is pressed, nothing happens ,power indicator does not light up.
+VDD5
+VDD3
+VCC_RTC
BT1
R379
1K
D27
BAT547
C376
1U
JP3
C385
0.1U
C386
150U
C380
0.1U
C374
10U
U25
1117
+VDD5 +VDD2.5
JP2
C385
0.1U
C336
3300U
C302
0.1U
C301
10U
U21
1117
PR26
10K
PR28
10.5K
PU5
RT9173A
+3VS
+1.25V
+5VS
+12VS
+VDD5
PQ12
FDB6035AL
PQ11
ACK431LCSK
PR29
1K
D32
BAT54C
PR30
10K
PC50
0.1U
PR25
10K
PC44
1U
PC45
1U
PC46
0.1U
PC42
1000U
PC43
1000U
PC58
0.1U
+2.5VS
VIN
REFEN
VCNTL
GND
VOUT
1
2
5
4
3
P26
P27
P27
VIN
3
GND
1
VOUT
VIN
GND
VOUT
2
1
2
3
8.1 No Power