User Guide

ManualsBrandsUniwill ManualsOther340s8

Chapter 5 Troubleshooting Guidelines

340S8 Rev : A Page

30

RAM Switch (U29)

RTL 8201 (U2) Octal Buffer (U25)

U18

W83194BR-63S

VDDREF

1

AGPSEL/REF1

2

FS3/REF0

3

GNDREF

4

X1

5

X2

6

VDDPCI

7

FS1/PCICLK_F

8

FS2/PCICLK1

9

PCICLK2

10

PCICLK3

11

PCICLK4

12

PCICLK5

13

GNDPCI

14

VDDAGP

15

AGPCLK0

16

AGPCLK1

17

GNDAGP

18

GND48

19

FS0/48MHZ

20

MODE/24_48MHZ

21

VDD48

22

SDATA

23

SCLK

24

VDDSDR

25

SDRAM12

26

CPUSTP#/SDRAM11

27

PCISTP#/SDRAM10

28

GNDSDR

29

SDRSTOP#/SDRAM9

30

PD#/SDRAM8

31

GNDSDR

32

SDRAM7

33

SDRAM6

34

VDDSDR

35

SDRAM5

36

SDRAM4

37

SDRAM3

38

GNDSDR

39

SDRAM2

40

SDRAM1

41

SDRAM0

42

VDDSDR

43

GNDCPU

44

CPUCS_C2

45

CPU_C1

46

CPU_C0

47

VDDCPU

48

+3V

+3V

+5V

+3V

SDRAMSEL17

I2CSDA1,5,6

I2CSCL1,5,6

0 ohm

10K

74HCT4066

TSSOP-14P

10K 10K

DTC144EKA

RAM_I2CSDA

RAM_I2CSCL

RAM_I2CSDA

RAM_I2CSCL

B_I2CSDA

A_I2CSCL

A_I2CSDA

B_I2CSCL

R353

10K

R352

10K

U29

74HCT4066

1Y

1

2Y

4

3Y

8

4Y

11

4Z

10

3Z

9

2Z

3

1Z

2

1E

13

2E

5

3E

6

4E

12

VCC

14

GND

7

Q47

DTC144EKA

B

CE

RP44

8P4RX10K

1

2

3

4 5

6

7

8

R368 0

R369 R