MiTAC 8170 Manual De Usuario
145
8170 N/B MAINTENANCE
POWER IN
J5
PF501
6.5A/32VDC
PL503
120Z/100M
PC505
1U
PC510
0.1U
PD501
RLZ24D
PC509
0.1U
1
2
PR5
470k
PQ1
2N7002
G
S
D
PL502
120Z/100M
PR4
470K
PQ502
SI4835DY
S
D
2
3
1
6
7
8
5
G
S
D
2
3
1
6
7
8
5
G
PQ503
SI4835DY
PR514 .1
PR513 .1
PC19
100U
100U
PR10
10K
10K
PD6
PD5
PD4
PC17
0.1U
0.1U
1
2
3
3
JL2
JL3
PJ1
ALWAYS
ADINP
ADINP_1
ADINP_2
DVMIAN
8
1
2
1
10,12
PJ2
PR6
100K
100K
PR9 47K
3
LEARNING
IN
SENSE
FB
SHUTDN
SENSE
FB
SHUTDN
5VTAP
OUT
ERR-
GND
ERR-
GND
PU7
JS7
8
2
7
2
7
PQ1
S1231DS
S
G
D
PL8
+5VA
ALWAYS
PC24
10U
10U
3
2
1
+5V
PQ2
3
6
1
4
J3
J6
MB
MB
PD2
PD3
U508
H8
F3437
12
LEARNING
3
2
1
Step1 : Connect Adaptor to ( D/D BD ) J5 & O/P “ALWAYS”.
Step2 : “ALWAYS” --> PU7 Generate +5VA.
Step3 : H8 O/P “LEARNING” for Charger Circuitry.
Step4 : For MOSFET “PQ502&PQ503” G=0,D<-->S.
Step5 : O/P “ADINP”& “DVMAIN”.
SW_+5VA
19 SW +5VA
Mother Board
PD7
From H8
PR16
470K
470K
PC26
0.1U
0.1U
P
20
P
19
P
22
P
22
8.1 No Power
(2)
When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up.