MiTAC 7521 PLUS/N User Manual

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7521

7521

Plus / N N/B MAINTENANCE

Plus / N N/B MAINTENANCE

8.3 VGA CONTROLLER FAILURE LCD NO DISPLAY

There is no display or picture abnormal on LCD.

U24

SIS 630S

U2

LVDS

DS90C363MTD

R[2~7]_301

FA6,FA8,FA10
FA7,FA9,FA11

RP31,RP33,RP24
RP32,RP26,RP36

VBHSYNC

VBVSYNC

VBBLANK#

VGCLK

L537

L536

L534

L540

22

23

25

26

TXCLKOUT+

TXCLKOUT-

TXOUT0+

TXOUT0-

TXOUT1+

TXOUT1-

TXOUT2+

TXOUT2-

32

33

40

41

38

39

34

35

27

VBCLK

7

11

16

20

8

12

15

19

1 2 3

5 6 7 8

4

S

G

D

1

2

D

S

G

FPVCC

R5

+5V

+12V

R7

Q3

+3V

Q2

L4

ENABKL_VGA#

SW1

U14

H8

BLADJ 4

45

1

LID_OPEN#

24

+5V

L9

2

3

+5V

R149

Q14

Q15

Q4

+3V

R18

R150

J2

LCD COVER SW

R527

SH5

SH11

SH5

SH20

+3V

J1

SH21

ENABKL_VGA

LCD

SH5

G[2~7]_301

B[2~7]_301