Service manual

127
8575
8575
A N/B Maintenance
A N/B Maintenance
8.1 No Power – Battery Discharge
When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up.
G
S
D
2
3
1
6
7
8
5
PU513
SI4835DY
BATT
G
S
D
2
3
1
6
7
8
5
PU512
SI4835DY
BATT1
PR553
100K
R655
1M
PQ508
2N7002
PQ509
DTC144WK
PR551
226K
ADINP
-ADEN
PC579
1000P
PC578
0.01µ
VMAIN
PR564
301K
PL505
120Z/100M
PL504
120Z/100M
PF502
1,2
PC583
0.01µ
PC584
1000P
PC582
0.1µ
PR563
100K
U509
Micro
Controller
H8/F3437
P22
PC19
0.1µ
PR12
20K
+5VAS
PR11
4.99K
+5VA
BAT_V
BAT_T
R672
2.2K
R671
22
BAT_VOLT
BAT_TEMP
2 1
3
C737
0.1µ
C736
0.1µ
D511
BAV70LT1
C707
68P
C710
68P
X503
16MHZ
38
42
3
2
47
-ADEN
+5VA H8_AVREF1
C708
0.1µ
C709
0.1µ
C728
0.1µ
4,9,59 36,37
J14
3
Battery Connector
P23
C731
0.1µ
PR552
33K
Mother Board