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– 61 –

Pin No.

Pin Name

I/O

Description

91

SRDR

O

Sled servo drive PWM signal (–) output to the BH6511FS (IC152)

92

SFDR

O

Sled servo drive PWM signal (+) output to the BH6511FS (IC152)

93

SPRD

O

Spindle servo drive PWM signal (–) output to the BH6511FS (IC152)

94

SPFD

O

Spindle servo drive PWM signal (+) output to the BH6511FS (IC152)

95

FGIN

I (S)

96

TEST1

I

97

TEST2

I

98

TEST3

I

99

DVSS

—

Ground terminal (digital system)

100

EFMO

O

EFM signal output terminal when recording mode

* I (S) stands for schmitt input, I (A) for analog input, O (3) for 3-state output, and O (A) for analog output in the column I/O.

Input terminal for the test (fixed at “L”)

– 62 –

•

Pin No.

Pin Name

I/O

Description

1, 2

NC

O

Not used (open)

3

C1

O

Monitor output terminal for the test    C1 error rate is output when test mode

4

ADER

O

Monitor output terminal for the test    ADER is output when test mode

5

SQSY

I

Subcode Q sync (SCOR) input from the CXD2656R (IC121)
“L” is input every 13.3 msec    Almost all, “H” is input

6

RMC

I

Remote control signal input from the remote control receiver (IC761)

7

A1 IN

I

Sircs remote control signal input of the CONTROL A1II

8

BYTE

I

External data bus line byte selection signal input    “L”: 16 bit, “H”: 8 bit (fixed at “L”)

9

CNVSS

—

Ground terminal

10

XT-IN

I

Sub system clock input terminal (32.768 kHz)    Not used (open)

11

XT-OUT

O

Sub system clock output terminal (32.768 kHz)    Not used (open)

12

S.RST

I

System reset signal input from the LA5632 (IC431) and RESET switch (S401)    “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”

13

XOUT

O

Main system clock output terminal (10 MHz)

14

GND

—

Ground terminal

15

XIN

I

Main system clock input terminal (10 MHz)

16

+3.3V

—

Power supply terminal (+3.3V)

17

NMI

I

Non-maskable interrupt input terminal (fixed at “H” in this set)

18

DQSY

I

Digital In U-bit CD format subcode Q sync (SCOR) input from the CXD2656R (IC121)
“L” is input every 13.3 msec    Almost all, “H” is input

19

P.DOWN

I

Power down detection signal input terminal    “L”: power down, normally: “H”

20

KEYBOARD CLK

I

Keyboard serial clock signal input terminal

21

KEYBOARD DATA

I

Keyboard serial data input terminal

22

NC

O

Not used (open)

23

XINT

I

Interrupt status input from the CXD2656R (IC121)

24 to 26

NC

O

Not used (open)

27

KEYBOARD CONT

O

Keyboard control signal output terminal    “H”: off

28 to 30

NC

O

Not used (open)

31

SWDT

O

Writing data output to the CXD2656R (IC121) and A/D, D/A converter (IC321)

32

SRDT

I

Reading data input from the CXD2656R (IC121)

33

SCLK

O

Serial clock signal output to the CXD2656R (IC121) and A/D, D/A converter (IC321)

34

FLCS

O

Chip select signal output to the FL/LED driver (IC771)

35

FLDATA

O

Serial data output to the FL/LED driver (IC771)

36

NC

O

Not used (open)

37

FLCLK

O

Serial data transfer clock signal output to the FL/LED driver (IC771)

38, 39

NC

O

Not used (open)

40

ADA LATCH

O

Serial data latch pulse signal output to the A/D, D/A converter (IC321)

41

NC

I

Not used (fixed at “L”)

42

JOG1

I

Jog dial pulse input from the rotary encoder (S713  

≠ AMS ±) (B phase input)

43

JOG0

I

Jog dial pulse input from the rotary encoder (S713  

≠ AMS ±) (A phase input)

44

NC

O

Not used (open)

45

A1 OUT

O

Sircs remote control signal output of the CONTROL A1

ΙΙ

46

NC

I

Not used (fixed at “H”)

47

NC

O

Not used (open)

48

DA RST

O

Reset signal output to the A/D, D/A converter (IC321)    “L”: reset

49

MUTE

O

Audio line muting on/off control signal output terminal    “L”: line muting on

– 63 –

Pin No.

Pin Name

I/O

Description

50

STB

O

Strobe signal output to the power supply circuit    “L”: standby mode, “H”: power on

51

CHACK IN

I

Detection input from the disc chucking-in detect switch     “L”: chucking
Not used (fixed at “H”)

52

NC

O

Not used (open)

53

PACK-OUT

I

Detection input from the loading-out detect switch (S602)
“L” at a load-out position, others: “H”

54

LDIN

O

Motor control signal output to the loading motor driver (IC471)    “L” active    *1

55

LDOUT

O

Motor control signal output to the loading motor driver (IC471)    “L” active    *1

56

LD-LOW

O

Loading motor drive voltage control signal output for the loading motor driver (IC471)
“H” active

57, 58

NC

O

Not used (open)

59

REC-P

I

Detection input from the recording position detect switch (S601)    “L” active

60

PB-P

I

Detection input from the playback position detect switch (S604)    “L” active

61

REC/PB

I

Not used (fixed at “L”)

62

+3.3V

—

Power supply terminal (+3.3V)

63

NC

O

Not used (open)

64

GND

—

Ground terminal

65

SDA

I/O

Two-way data bus with the EEPROM (IC171)

66

MNT3 (SLOCK)

I

Spindle servo lock status monitor signal input from the CXD2656R (IC121)

67

WR-PWR

O

Laser power select signal output to the CXD2656R (IC121) and HF module switch circuit
“L”: playback mode, “H”: recording mode

68

PROTECT

I

Rec-proof claw detect input from the protect detect switch (S102)    “H”: write protect

69

REFLECT

I

Detection input from the disc reflection rate detect switch (S102)
“L”: high reflection rate disc, “H”: low reflection rate disc

70

LDON

O

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

71

SENS

I

Internal status (SENSE) input from the CXD2656R (IC121)

72

MNT1 (SHOCK)

I

Track jump detection signal input from the CXD2656R (IC121)

73

DIG-RST

O

Reset signal output to the CXD2656R (IC121) and BH6511FS (IC152)    “L”: reset

74

MNT2 (XBUSY)

I

Busy signal input from the CXD2656R (IC121)

75

XLATCH

O

Serial data latch pulse signal output to the CXD2656R (IC121)

Laser modulation select signal output to the HF module switch circuit

Stop: “L”, Playback power: “H”,

Recording power:

76

MOD

O

77

LIMIT-IN

I

Detection input from the sled limit-in detect switch (S101)
The optical pick-up is inner position when “L”

78

MNT0 (FOK)

I

Focus OK signal input from the CXD2656R (IC121)
“H” is input when focus is on (“L”: NG)

2 sec

0.5 sec

*1  Loading motor (M103) control

LOADING

EJECT

BRAKE

RUN IDLE

LDIN (pin %¢)

“L”

“H”

“L”

“H”

LDOUT (pin %∞)

“H”

“L”

“L”

“H”

Terminal

Mode

– 64 –

Pin No.

Pin Name

I/O

Description

79

SCL

O

Clock signal output to the EEPROM (IC171)

80

SCTX

O

Recording data output enable signal output to the CXD2656R (IC121) and overwrite head
driver (IC181)    Writing data transmission timing output (Also serves as the magnetic head on/off 
output)

81

CLOCK SET0

I

Destination setting terminal (fixed at “L” in this set)

82

CLOCK SET1

I

Destination setting terminal (fixed at “H” in this set)

83

LED0

O

LED drive signal output terminal    Not used (open)

84

LED1

O

LED drive signal output terminal    Not used (open)

85, 86

NC

O

Not used (open)

87

MODEL SEL0

I

Setting terminal for the model (fixed at “L” in this set)

88

MODEL SEL1

I

Setting terminal for the model (fixed at “L” in this set)

89, 90

NC

O

Not used (open)

91

TIMER

I

TIMER switch (S751) input terminal (A/D input)
“L”: PLAY, “H”: REC (OFF: center voltage)

92

SOURCE

I

INPUT switch (S741) input terminal (A/D input)

93

KEY3

I

Key input terminal (A/D input)    S731 and S732 (TIME, PITCH CONTOROL keys input)

94

KEY2

I

Key input terminal (A/D input)    S721 to S726 (

§ EJECT, PLAY MODE, REPEAT, SCROLL, 

LEVEL/DISPLAY/CHAR, I/

u keys input)

95

KEY1

I

Key input terminal (A/D input) 
S711 to S714 (MENU/NO, YES, PUSH ENTER, CLEAR keys input)

96

AVSS

—

Ground terminal

97

KEY0

I

Key input terminal (A/D input)    S701 to S706 (REC 

r , p, ), 0, P, · keys input)

98

VREF

I

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

99

+3.3V

—

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

100

MONO/ST

I

REC MODE switch (S746) input terminal    “L”: MONO, “H”: STEREO