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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
PR10
10K
PD6
PD5
PD4
PC17
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
PR9 47K
3
LEARNING
IN
SENSE
FB
SHUTDN
5VTAP
OUT
ERR-
GND
PU7
JS7
8
2
7
PQ1
S1231DS
S
G
D
PL8
+5VA
ALWAYS
PC24
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
PC26
0.1U
P20
P19
P22
P22
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.