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JVC MX-DVA5 Service Manual page 33

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Instructions manual (90 pages)

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Supplemental service manual (22 pages)

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Service manual (85 pages)

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1.Terminal Layout

208 ~ 157

1

156

52

105

53

~ 104

3.Pin Function (1/3)

Symbol

I/O

Pin No.

1

-

Test pin

TEST PINO

2

I/O

System control data I/O (IC301)

HDATA0

3

I/O

System control data I/O (IC301)

HDATA1

4

I/O

System control data I/O (IC301)

HDATA2

5

-

Power supply

E-VDD

6

I/O

System contorl data I/O (IC301)

HDATA3

7

-

Connect to GND

E-VSS

8

I/O

System control data I/O (IC301)

HDATA4

9

I/O

System control data I/O (IC301)

HDATA5

10

I/O

System control data I/O (IC301)

HDATA6

11

I/O

System control data I/O (IC301)

HDATA7

12

-

Power supply

I-VDD

13

I

Reset signal input

RST

14

-

Connect to GND

I-VSS

15

I

Wait control for IC509

WAIT

16

O

Host interrupt output for ATAPI

INT

17

-

Power supply

E-VDD

18

-

Connect to TP540

ARAM-OE

19

-

Connect to GND

E-VSS

20

-

Connect to TP541

ARAM-WE

21

I/O

Non used

ARAM-DATA0

22

I/O

Non used

ARAM-DATA1

23

I/O

Non used

ARAM-DATA2

24

I/O

Non used

ARAM-DATA3

25

I/O

Non used

ARAM-DATA4

2.Block Diagrams

DRAM/

Memory

ROM

Controller

Interface

Host

Host

Interface

Interface

Control Logic

Program

DVD/CD

Stream

Interface

Decoder

Function

Pin No.

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

OSD

Decoder

Subpicture

Decoder

MPEG

Video

Decoder

Dolby Digital

Audio

Decoder

MPEG

Audio

Decoder

Symbol

I/O

Non used

I/O

ARAM-DATA5

Power supply

-

E-VDD

Non used

I/O

ARAM-DATA6

Connect to GND

-

E-VSS

Non used

I/O

ARAM-DATA7

Connect to TP550

-

ARAM-ADDR0

Connect to TP551

-

ARAM-ADDR1

Connect to TP552

-

ARAM-ADDR2

Connect to TP553

-

ARAM-ADDR3

Connect to TP554

-

ARAM-ADDR4

Power supply

-

E-VDD

Connect to TP555

-

ARAM-ADDR5

Connect to GND

-

E-VSS

Connect to TP556

-

ARAM-ADDR6

Power supply

-

I-VDD

Connect to TP557

-

ARAM-ADDR7

Connect to GND

-

I-VSS

Connect to TP558

-

ARAM-ADDR8

Connect to TP559

-

ARAM-ADDR9

Connect to TP560

-

ARAM-ADDR10

Connect to TP561

-

ARAM-ADDR11

Power supply

-

E-VDD

Connect to TP562

-

ARAM-ADDR12

Connect to GND

-

E-VSS

Connect to TP563

-

ARAM-ADDR13

MX-DVA5

Video

Mixer

Video

Interface

Sync

Generator

Audio

Digital Audio

Interface

and

IEC-958

Interface

Function

1-33

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