ASUS X751LN — Repair Guide


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------------------
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INTEL






AMD






nVIDIA






SIS






VIA






nVIDIA















X
751LN

Re
pair Guide



Aug
/
12
/

20
1
4

Changcai
_
zhou

GTSD


BLOCK DIAGRAM

POWER FLOW




POWE
R ON SEQUENCE


Signal

Measure Point
-
Bottom

6

D5801 +5VSUS_PWRGD
7
51

20
-
1
,PL8003 VC
ORE_CPU

37


6

D58
0
2

+3VSUS_PERGD

683

33330
O_PSON#
641

1

R3067

+3VA_EC

498


20
.
D2
5
01 ALL_SYS_PWRGD
532

5
.
Q5708


+5VSUS_ON
6
77


9

D2
505

ME_AC_PRESENT
7
66

21
.
D0601

CORE_PWRGD
650


3
.

R
3
0
3
5 PCH_SLPSUS#

3
8
9


7

Q3002 ME_SUSPWRDNACK
_EC

368

23
.
SL2540

P
M_SYSPWROK
664

16
.
P
Q5705 SUSC_EC

#
6
68

VA

4
90

17
.
P
Q9109

SUSB_EC#
458


22
.
D2
5
0
2

PM_
PWROK

665

25
.
Q3204

PLT_RST#
554

24
.
R0815

H_CPUPWRGD
455

10
R2
510

P
CH
_SUSACK#
5
8
2

2

Q3203 EC_RST
691


14
.
RN3006

PM_SUSC#
378


15.

RN3006 PM_SUSB#
378

5

Q5766

+3VSUS_ON


5
70

12
.
SL2521

PM_PWRBTN#
5
94


4

R
58
0
1

PM_PWROK
662

PSL810
1

+5V
0

510

PL8
8801

P_CHG_LX_30

51
5

16

PD8300

+
1
.35
V_ON
686

PSL8100 +3VADSW0

487

PSL8401 +1.5V0

351

PSL8
3
01 +
1.3
5V

138

PL8502 +NVDD

22

PL8200 +1.05VSUSO

378

PSL8100

+5VA

550

PR9103 +12VS




Signal Measure Point
-
Top

PU300 +3VSB


13
.
R2
527

SLP_LAN#
382

13
.
SL251
1 SLP_A#

380


8

Q3303
PM_RSMRST#
571


11
.

D6
107

PWR_SW#
_R

667

PSL8503

+3VA

494

Signal Measure Point
-
Top

PU300 +3VSB
13
.
R2
527

SLP_LAN#
382

13
.
SL251
1 SLP_A#

380
8

Q3303
PM_RSMRST#
571

11
.

D6
107

PWR_SW#
_R

667

PSL8503

+3VA

494

Signal

Measure Point
-
Bottom

6

D5801 +5VSUS_PWRGD
7
51

20
-
1
,PL8003 VC
ORE_CPU

37

6

D58
0
2

+3VSUS_PERGD

683

33330
O_PSON#
641
1

R3067

+3VA_EC

498

20
.
D2
5
01 ALL_SYS_PWRGD
532

5
.
Q5708


+5VSUS_ON
6
77

9

D2
505

ME_AC_PRESENT
7
66

21
.
D0601

CORE_PWRGD
650

3
.
R
3
0
3
5 PCH_SLPSUS#

3
8
9
7

Q3002 ME_SUSPWRDNACK
_EC

368

23
.
SL2540

P
M_SYSPWROK
664

16
.
P
Q5705 SUSC_EC

#
6
68

VA
4
90
17
.
P
Q9109

SUSB_EC#
458

22
.
D2
5
0
2

PM_
PWROK

665

25
.
Q3204

PLT_RST#
554

24
.
R0815

H_CPUPWRGD
455

10
R2
510

P
CH
_SUSACK#
5
8
2

2

Q3203 EC_RST
691

14
.
RN3006

PM_SUSC#
378
15.

RN3006 PM_SUSB#
378

5

Q5766

+3VSUS_ON


5
70

12
.
SL2521

PM_PWRBTN#
5
94
4

R
58
0
1

PM_PWROK
662

PSL810
1

+5V
0

510

PL8
8801

P_CHG_LX_30

51
5

16

PD8300

+
1
.35
V_ON
686

PSL8100 +3VADSW0

487

PSL8401 +1.5V0

351

PSL8
3
01 +
1.3
5V

138

PL8502 +NVDD

22

PL8200 +1.05VSUSO

378

PSL8100

+5VA

550

PR9103 +12VS

POWE
R ON SEQUENCE

POWER FLOW
-----------------------------------------------------------------------------------------------------------------------------
------------------
---------------------

INTEL
AMD
nVIDIA
SIS
VIA
nVIDIA
X
751LN

Re
pair Guide

Aug
/
12
/

20
1
4

Changcai
_
zhou
GTSD

BLOCK DIAGRAM


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