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– 91 –

Pin No.

Pin Name

I/O

Function

41

SENS

I

Internal status (SENSE) input from the CXD2652AR (IC121)

42

SCTX

O

Recording data output enable signal output to the CXD2652AR (IC121) and overwrite head
driver (IC181)    Writing data transmission timing output (Also serves as the magnetic head
on/off output)

43

XINT

O

Not used (pull down)

44

WRPWR

O

Laser power select signal output to the CXD2652AR (IC121) and HF module switch circuit
“L”: playback mode, “H”: recording mode

45

MNT3

I

Spindle servo lock status monitor signal input from the CXD2652AR (IC121)

46

MNT2

I

Busy signal input from the CXD2652AR (IC121)

47

MNT1

I

Track jump detection signal input from the CXD2652AR (IC121)

48

MNT0

I

Focus OK signal input from the CXD2652AR (IC121)
“H” is input when focus is on (“L”: NG)

49

LDON

O

Laser diode on/off control signal output to the automatic power control circuit    “H”: laser on

Laser modulation select signal output to the HF module switch circuit

Playback power: “H”, Stop: “L”,

Recording power:

50

MOD

O

51

LDIN

O

Motor control signal output to the loading motor driver (IC153)    “L” active    *1

52

LDOUT

O

Motor control signal output to the loading motor driver (IC153)    “L” active    *1

53

LD-LOW

O

Loading motor drive voltage control signal output for the loading motor driver (IC153)
“H” active

54

PROTECT

I

Rec-proof claw detect input from the protect detect switch (S683)    “H”: write protect

55

REFLECT

I

Detection input from the disc reflection rate detect switch (S682)
“L”: high reflection rate disc, “H”: low reflection rate disc

56

PACK-IN

I

Detection input from the disc detect switch    Not used (fixed at “H”)

57

PACK-OUT

I

Detection input from the loading-out detect switch (S686)
“L” at a load-out position, others: “H”

58

CHUCK-IN

I

Detection input from the disc chucking-in detect switch (S685)     “L”: chucking

59

LIMIT-IN

I

Detection input from the sled limit-in detect switch (S681)
The optical pick-up is inner position when “L”

60

REC-P

I

Detection input from the recording position detect switch (S688)    “L” active

61

PB-P

I

Detection input from the playback position detect switch (S687)    “L” active

62

+3.3V

—

Power supply terminal (+3.3V)

63

—

I

Not used (fixed at “L”)

64

GND

—

Ground terminal

65 to 78

—

I

Not used (fixed at “L”)

79

SDA

I/O

Two-way data bus with the EEPROM (IC171)

80

SCL

O

Serial clock signal output to the EEPROM (IC171)

2 sec

0.5 sec

*1  Loading motor (M903) control

Mode  

  Terminal

LDIN (pin %¡)

“L”

“H”

“L”

“H”

LDOUT (pin %™)

“H”

“L”

“L”

“H”

LOADING

EJECT

BRAKE

RUN IDLE

– 92 –

Pin No.

Pin Name

I/O

Function

81, 82

—

I

Not used (fixed at “L”)

83

POWER

O

Power on/off control signal output terminal    Not used (pull down)

84 to 90

—

I

Not used (fixed at “L”)

91 to 93

KEY0 to KEY2

I

Key input terminal (A/D input)    Not used (fixed at “H”)

94

—

I

Not used (fixed at “L”)

95

SOURCE

I

Not used (fixed at “L”)

96

AVSS

—

Ground terminal (for A/D converter)

97

—

I

Not used (fixed at “L”)

98

VREF3.3V

I

Reference voltage (+3.3V) input terminal (for A/D converter)

99

+3.3V

—

Power supply terminal (+3.3V) (for analog system )

100

—

I

Not used (fixed at “L”)

– 93 –

• 

Pin No.

Pin Name

I/O

Function

1

VER

I

Destination setting terminal    Not used (open)

2

VER

I

Destination setting terminal    US, Canadian models: fixed at “L”, Other models: open

3

VER

I

Destination setting terminal
US, Canadian, Singapore, Hong Kong models: fixed at “L”, Other models: open

4

VER

I

Destination setting terminal    Not used (open)

5 to 7

NC

O

Not used (open)

8

—

O

Not used (open)

9

IC

—

Connected to ground

10

X2

O

Main system clock output terminal (5 MHz)

11

X1

I

Main system clock input terminal (5 MHz)

12

VDD

—

Power supply terminal (+5V)

13

XT2

O

Sub system clock output terminal (32 kHz)

14

XT1

I

Sub system clock input terminal (32 kHz)

15

RESET

I

System reset signal input from the reset signal generator (IC708)    “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”

16

AU-BUS IN

I

Audio bus signal input terminal

17

AU-BUS OUT

O

Audio bus signal output terminal

18

ENC/A

I

Rotary encoder jog dial pulse input terminal (A phase input)    Not used (fixed at “L”)

19

ENC/B

I

Rotary encoder jog dial pulse input terminal (B phase input)    Not used (fixed at “L”)

20

RDS/CLK

I

RDS serial data transfer clock signal input from the RDS decoder (IC710)
Used for the AEP, UK models

21

RDS/DATA

I

RDS serial data input from the RDS decoder (IC710)
Used for the AEP, UK models

22

SCOR

I

Subcode sync (S0+S1) detection signal input from the CXD2507AQ (IC103)

23

AVDD

—

Power supply terminal (+5V) (for A/D converter)

24

AVREF0

I

Reference voltage (+5V) input terminal (for A/D converter)

25

KEY0

I

Key input terminal (A/D input)    I/

u (power) key input (S903)

26

KEY1

I

Key input terminal (A/D input)    CD 

p, CD ^, CD §, MD p, MD ^, MD §, VOLUME +/

– keys input (S902, 905, 907, 909, 911, 913 to 915)

27

KEY2

I

Key input terminal (A/D input)    FUNCTION, CD/MD 

) + TUNING +, TUNER/BAND, 

CD/MD 

= 0 TUNING –, REC, CD-MD SYNC keys input (S901, 904, 906, 908, 910, 912)

28 to 30

—

O

Not used (open)

31

RTS

O

Master controller busy status monitor output to the MD mechanism controller (IC316)

32

MD-POWER

O

MD system power supply on/off control signal output terminal    Not used (open)

33

AVSS

—

Ground terminal (for A/D converter)

34

POWER-ON

O

System power supply on/off control signal output terminal    “L”: power on, “H”: standby

35

MD-REST

O

Reset signal output to the MD mechanism controller (IC316)    “H”: reset

36

AVREF1

I

Reference voltage (+5V) input terminal (for A/D converter)

37

RXD

I

UART communication data input from the MD mechanism controller (IC316)

38

TXD

O

UART communication data output to the MD mechanism controller (IC316)

39

MD-CLK

O

Serial clock signal output to the MD mechanism controller (IC316)

40

VSS

—

Ground terminal

41

CTS

I

MD mechanism controller busy status monitor input from the MD mechanism controller (IC316)

42

DATA

O

Display serial data output to the FL driver (IC901)

43

CLOCK

O

Display serial data transfer clock signal output to the FL driver (IC901)

44

CS

O

Chip select signal output to the FL driver (IC901)    “L”: data output

µ

– 94 –

Pin No.

Pin Name

I/O

Function

45

RESET

O

Reset signal output to the FL driver (IC901)    “L”: reset

46

SUBQ

I

Subcode Q data input from the CXD2507AQ (IC103)

47

NC

O

Not used (open)

48

SQCLK

O

Subcode Q data reading clock signal output to the CXD2507AQ (IC103)

49

CLOCK

O

Serial data transfer clock signal output to the CXD2507AQ (IC103) and PCM1710U (IC104)

50

DATA

O

Serial data output to the CXD2507AQ (IC103) and PCM1710U (IC104)

51

XLT

O

Serial data latch pulse signal output to the CXD2507AQ (IC103)

52

PRGL (DF-LAT)

O

Serial data latch pulse signal output to the PCM1710U (IC104)

53

SENSE

I

Internal status input from the CXD2507AQ (IC103)

54

ADJ

I

Setting terminal for the CD test mode    “L”: CD test mode    Normally: fixed at “H”

55

IN-SW

I

Detection input from the disc detect switch (S104)    “L”: disc in

56

OUT-SW

I

Detection input from the disc detect  (S104)    “L”: disc out

57

LOAD-OUT

O

Motor control signal output to the CD lid open/close motor driver (IC702)    “L” active    *1

58

LOAD-IN

O

Motor control signal output to the CD lid open/close motor driver (IC702)    “L” active    *1

59

FOCUS-SW

O

Focus gain control signal output to the CXA1782BQ (IC101)    “L”: normal, “H”: down

60

BD-REST

O

Reset signal output to the CXA1782BQ (IC101), BA6297FP (IC102) and CXD2507AQ (IC103)   
“L”: reset

61

CD-POWER

O

CD servo system power supply on/off control signal output terminal    “H”: power on

62

ST-POWER

O

Tuner system power supply on/off control signal output terminal    “H”: power on
Not used (open)

63

D.IN.SELECT

O

Digital input selection signal output terminal    Not used (open)

64 to 66

—

O

Not used (open)

67

LED-MD DISC

O

LED drive signal output of the MD disc slot indicator (D906)    “L”: LED on

68

LED-MD REC

O

LED drive signal output of the REC indicator (D905)    “L”: LED on

69

LED-CD PAUSE

O

LED drive signal output of the CD 

P indicator (D907  amber)    “L”: LED on

70

LED-CD PLAY

O

LED drive signal output of the CD 

( indicator (D907  green)    “L”: LED on

71

VSS

—

Ground terminal

72

LED-MD PAUSE

O

LED drive signal output of the MD 

P indicator (D903  amber)    “L”: LED on

73

LED-MD PLAY

O

LED drive signal output of the MD 

( indicator (D903  green)    “L”: LED on

74

DBFB

O

DBFB on/off control signal output terminal    “L”: DBFB on

75

RECOUT-MUTE

O

Muting on/off control signal output for the TAPE OUT signal    “L”: muting on

76

MUTE

O

Audio muting on/off control signal output terminal

77

ATT/6DB

O

–6 dB attenuator control signal output for the TAPE IN signal    “L”: attenuator on

78

DATA

O

Serial data output to the M62428AFP (IC705)

79

CLOCK

O

Serial data transfer clock signal output to the M62428AFP (IC705)

80

LAT

O

Serial data latch pulse signal output to the M62428AFP (IC705)

81

GND

—

Ground terminal

82

STEREO

I

FM stereo detection signal input from the FM/AM tuner unit    “L”: stereo

83

TUNED

I

Tuning detection signal input from the FM/AM tuner unit    “L”: tuned, “H”; detuned

84

DATA-IN

I

PLL serial data input from the FM/AM tuner unit

85

DATA-OUT

O

PLL serial data output to the FM/AM tuner unit

86

CLOCK

O

PLL serial data transfer clock signal output to the FM/AM tuner unit

*1  CD lid open/close motor (M103) control

Mode  

  Terminal

LOAD-OUT (pin %¶)

“H”

“L”

“H”

“L”

LOAD-IN (pin %•)

“H”

“H”

“L”

“L”

OFF

OPEN

CLOSE

BRAKE