Sony DPS-V77 service manual LR1F, ED2, ED4, ED7, ED8, ED9, Xoe, Xwe, EAO-3, EA8

Page 21

Pin No.

Pin name

I/O

 

Description

 

 

 

 

 

 

 

45

 

LROF

0

 

 

Test data output. Not used (OPEN)

 

 

 

 

 

 

 

46

 

LR1F

0

 

 

Test data output. Not used (OPEN)

 

 

 

 

 

 

 

47

 

XRST

I

 

System reset input. (Active "L")

 

 

 

 

 

 

 

48

 

EDO

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

49

 

ED16

I/O

 

External RAM data input/output.

50

 

ED1

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

51

 

ED17

I/O

 

External RAM data input/output.

 

 

 

 

 

 

 

52

 

ED2

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

53

 

Voo

-

 

 

Power supply. (+5V)

 

 

 

 

 

 

 

54

 

Vss

-

 

 

Power supply. (GND)

 

 

 

 

 

 

 

55

 

ED18

I/O

 

External RAM data input/output.

 

 

 

 

 

 

 

56

 

ED3

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

57

 

ED19

I/O

 

External RAM data input/output.

 

 

 

 

 

 

 

58

 

ED4

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

59

 

ED20

I/O

 

External RAM data input/output.

60

 

ED5

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

61

 

ED21

I/O

 

External RAM data input/output.

62

 

Vss

-

 

 

Power supply. (GND)

 

 

 

 

 

 

 

63

 

ED6

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

64

 

ED22

I/O

 

External RAM data input/output.

 

 

 

 

 

 

 

65

 

ED7

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

 

 

66

 

ED23

I/O

 

External RAM data input/output.

67

 

ED8

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

68

 

ED24

I/O

 

External RAM data input/output.

 

69

 

ED9

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

70

 

Vss

-

 

 

Power supply. (GND)

 

 

 

 

 

 

 

71

 

ED25

I/O

 

External RAM data input/output.

 

 

 

 

 

 

 

72

 

ED 10

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

73

 

ED26

I/O

 

External RAM data input/output.

 

 

 

 

 

 

 

74

 

ED 11

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

75

 

ED27

I/O

 

External RAM data input/output.

 

 

 

 

 

 

 

76

 

ED12

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

77

 

ED28

I/O

 

External RAM data input/output.

78

 

Voo

-

 

 

Power supply. (+5V)

 

 

 

 

 

 

 

79

 

Vss

-

 

 

Power supply. (GND)

 

 

 

 

 

 

 

80

 

ED 13

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

81

 

ED29

I/O

 

External RAM data input/output.

82

 

ED14

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

83

 

ED30

I/O

 

External RAM data input/output.

 

 

 

 

 

 

 

84

 

ED15

I/O

 

External RAM data input/output. Not used (L level)

 

 

 

 

 

 

 

85

 

ED31

I/O

 

External RAM data input/output.

 

 

 

 

 

 

 

86

 

XOE

0

 

 

External RAM OE output.

 

 

 

 

 

 

 

87

 

Vss

-

 

 

Power supply. (GND)

 

 

 

 

 

 

 

88

 

CAS

0

 

 

External DRAM CAS output.

 

 

 

 

 

 

 

89

 

XWE

0

 

 

External RAM WE output.

 

 

 

 

 

 

 

90

 

RAS

0

 

 

External DRAM CAS/external (P) SRAM CEo

 

 

 

 

 

 

 

91 -

94

EAO-3

0

 

 

External RAM address output.

 

 

 

 

 

 

 

95

 

Vss

-

 

 

Power supply. (GND)

 

 

 

 

 

 

 

96 -

99

EA4-7

0

 

 

External RAM address output.

 

 

 

 

 

 

100

EA8

0

 

 

External RAM address output. Not used (OPEN)

 

 

 

 

 

 

 

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Contents Analog Input SamplingAnalog Output 23 W 120 25 W 230Table of Contents Narnes andiFuractiollsof Parts Names and Functions of PartsMidi in terminal Block and structure Setting the INPUT/OUTPUT levels~~~~,i~p~f~~~.~~~~dll~~~·~~c~~~rnd ~CH2~~~~~~ ~~~J~-- ~~tl@~ Setting the DigitaliN/OUT+,.,.,.\111\ \~ =~--~t-.tt .I~-- ~o ~-~t-..I~-oo~CH2 Choosing the bypass modeRecalling Effects from the Memory CD CD CD + I Enter Cdcdcijcd~att FX rEm FX E3 a·~ ~ ~Convenient Ways to Edit Checking the Structure in Play ModeComparing Effect Parameters Copying Effect ParametersProcessing Effects Edit ~-=Selecting the Active Parameters Protecting User Memory Saving an EffectOrganizing User Memory QYZIEJ G·? ~ ~ JC Press System Press Function a to select Set UpPreparing a Basic Midi Setup Basic Midi Transmit Switch Setup Tx-SwMidi Program Table Setup Table Midi Receive Switch Setup Rx-Sw~CH1 Additional InformationAES/EBU type XLR type Mini DIN rear panel Regarding the optionsSpdif type RCA type Mini DIN terminalEaA~~« Battery PDL Edit a Subject Operation and DisplayInitialize User Memory? Be activated. r Regarding the clock of the digital audio system Regarding the clock source of this unitPin No Pin name Description Explanation of IC TerminalsED2 LR1FED4 ED7Reso PBO PB7GND RxdiXtal ExtalHWR LWR+-C?--1leIIij,,..C=r--f~~rQ!-+-20 ALI 21 V~======JClK ~Q9--+-l IiITIDJIll Main BOARDJCOMPONENT~=O~ JrIll Oea7 C-l1~.j ~.Ol 1leB011NRul ~ MAlN ~UAR~ 1/2 123+hr +--i~ +---~+-+-~ --~,~J Abbreviation eND Canadian AUS . AustralianVce VeeVec 02 01 00 y w sFfi ITTLCD501 1-810-771-11 Display PANEL, Liquid Crystal Section Exploded Views~~~~ #3 \S2 1-570-173-11 SELECTOR, Power Voltage Voltage SelectorBAR, BUS 4P BUS BAR 6PDiode SwitchFuse Holder BUS BAR2SV CS2SElect ImainiSocket IC CXK58257AM-I0LL-T6INPUT, Balanced CHI» OUTPUT, Balanced CHI»Resistor Imaini Glaze ChipRelay TransformerAccessories &PACKING Materials ConnectorCeramic Line Filter9510210-1 1995.9 DPS-V77Subject Correction of Parts List ~ indicates corrected portion960-369-91 Home A&V Products Company
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