Technicolor - Thomson CDP-CX57 User Manual

Page 44

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– 54 –

Pin No.

Pin Name

I/O

Function

49

SQOUT

I

Subcode Q data input from the DSP (IC102)

50

COIN

O

Command serial data output to the RF amplifier (IC101) and DSP (IC102)

51

SCLK

O

Serial data transfer clock signal output to the CD text decoder (IC104) “L” active

52

SRDT

I

Serial data input from the CD text decoder (IC104)

53

NC

O

Not used (open)

54

DRF

I

Focus OK signal input from the RF amplifier (IC101) and DSP (IC102) “L”: NG, “H”: OK

55

WRQ

I

Subcode Q synchronizing signal input from the DSP (IC102) “H” active

56

RMIN

I

Remote control signal input from the remote control receiver (IC902) “L” active

57

TGL

I

Tracking gain control signal input from the DSP (IC102)
Gain becomes low when tracking gain is “H”

58

RWC

O

Command latch output to the RF amplifier (IC101) and DSP (IC102) “L” active

59

SL–

O

Sled feeding signal (internal direction) output to the RF amplifier (IC101) “H” active

60

DQSY

I

Serial data synchronizing signal input from the CD text decoder (IC104) “L” active

61

XMODE

O

Reset signal output to the CD text decoder (IC104) “H”: reset

62

T.SENS1

I

Disc table flag detect sensor (IC51) input terminal

63

T.SENS2

I

Disc table flag detect sensor (IC52) input terminal

64

T.SENS3

I

Disc table home position detect sensor (IC53) input terminal

65

DOWNSW

I

Inputs the loading out switch (S52) detection signal “L” active

66

UPSW

I

Inputs the loading in switch (S51) detection signal “L” active

67

SELECT

I

Not used (fixed at “H”)

68 to 71

D3 to D6

I/O

Two-way data bus with the static RAM (IC502)

72

VDD

Power supply terminal (+5V)

73

NC (VDD)

Not used (connected to power supply (+5V) line)

74

D7

I/O

Two-way data bus with the static RAM (IC502)

75 to 77

D0 to D2

I/O

Two-way data bus with the static RAM (IC502)

78 to 80

A0 to A2

O

Address signal output to the static RAM (IC502)

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