Service manual

110
8258I N/B Maintenance
8258I N/B Maintenance
When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up.
8.1 No Power-4
P20
J503 AKJ503
FADPIN
DVMAIN
AKPR504
100K
S
D
2
3
1
6
7
8
5
G
AKPQ501
AO4433
AKPR503
10
35
+FPWR_VDDIN
U513
KBC
W83L951D
P28
AKPJ501
POWER IN
AKPL501
120Z/100M
AKPL502
120Z/100M
AKPD501
BZV55C24
AKPD502
BAV70LT1
I_LIMIT
PD4
BAV70LT1
LEARNING
110
AKPJO501
OPEN-SMT2
Daughter Board
AKPC507
1U
AKPR505
470K
AKPR506
1M
AKPQ502
2N7002
PR22
4.7K
1
2 3
4
AKZJO2
AKZJO3
AKPF501
7A/24V DC
F_GND
AKPC505
0.01U
AKPR501
10
AKPR502
0.01
F_I_LIMIT
F_LEARNING
F_GND
PD5
PDS1040
1
2
PR23
4.7K
+PWR_VDDIN
ADPIN
P29
AKPJ502 PJ502
P20
6
5
4
3
2
1
AKPU501
SC310B
AKPC501
0.01U
R91
0
F_PWRSW#
6
1
4
5
3
AKSW3
2
AKZD3
PWRBTN#
P27
MiTac Secret
Confidential Document