DOWNLOAD Sony XR-M510 Service Manual ↓ Size: 7.49 MB | Pages: 56 in PDF or view online for FREE

37

38

• 

Pin No.

Pin Name

I/O

Description

1

NC

O

Not used (open)

2

AMSIN

I

Whether a music is present or not from CXA2510AQ (IC401) is detected at auto music sensor
“L”: music is present, “H”: music is not present

3

AMSON

O

Tape auto music sensor control signal output to the CXA2510AQ (IC401)
“L” is output to lower the gain for audio level at FF/REW mode

4

SP LATCH

O

Serial data latch pulse output for spectrum analyzer section to the liquid crystal display drive
controller (IC607)

5

ATT

O

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

6

SYSRST

O

System reset signal output to the liquid crystal display drive controller (IC607) and SONY bus
interface (IC501)    “L”: reset

7

N/R

O

Forward/reverse direction control signal output to the CXA2510AQ (IC401)
“L”: forward direction, “H”: reverse direction

8

VCC

—

Power supply terminal (+5V)

9

NIL

I

Not used (fixed at “L”)

10

E2PSIO

I/O

Two-way data bus for tuner EEPROM with the FM/AM tuner unit (TUX100)

11

E2PCKO

I/O

Two-way bus clock signal for tuner EEPROM with the FM/AM tuner unit (TUX100)

12

FLS SI

I

Flash memory write data input from the liquid crystal display drive controller (IC607)

13

FLS SO

O

Flash memory write data output to the liquid crystal display drive controller (IC607)

14

BUS-ON

O

Bus on/off control signal output to the liquid crystal display drive controller (IC607) and SONY
bus interface (IC501)    “L”: bus on

15

BEEP

O

Beep sound drive signal output terminal

16

TELATT

I

Telephone detection signal input terminal    At input of “H”, the signal is attenuated by –20 dB

17

UNISI

I

Serial data input from the SONY bus interface (IC501)

18

UNISO

O

Serial data output to the SONY bus interface (IC501)

19

UNICKO

O

Serial clock signal output to the liquid crystal display drive controller (IC607) and SONY bus
interface (IC501)

20

IFWIDTH

O

Not used (open)

21, 22

NC

O

Not used (open)

23

MTLOUT

O

METAL on/off control signal output to the CXA2510AQ (IC401)    “H”: METAL on

24

SIRCS

I

Sircs remote control signal input from the remote control receiver (IC900, 903)

25

DSPSI

I

Not used (open)

26

DSPSO

O

Not used (open)

27

DSPCKO

O

Not used (open)

28

DSPPLL

O

Not used (open)

29

DSPMST

O

Not used (open)

30

SHIFT

O

Not used (open)

31

VOLATT

O

Pre amplifier muting on/off control signal output to the electrical volume (IC100)
“L”: muting on

32

TUATT

O

Muting on/off control signal output of the FM/AM tuner signal    “L”: muting on

33

VSS

—

Ground terminal

34

C

—

Connected to coupling capacitor for the power supply

35

DSPLAT

O

Not used (open)

36

DSPRST

O

Not used (open)

37

ANT CUT

O

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

38

DVCC

—

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

39

DVSS

—

Ground terminal (for D/A converter)

39

Pin No.

Pin Name

I/O

Description

40

MREF

O

Front panel open/close motor (M601) speed control signal output to the BA6288FS (IC502)

41

NC

O

Not used (open)

42

AVCC

—

Power supply terminal (+5V) (for analog system)

43

AVRH

I

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

44

AVRL

I

Reference voltage (0V) input terminal (for A/D converter)    Not used (fixed at “L”)

45

AVSS

—

Ground terminal (for analog system)

46

KEYIN0

I

Key input terminal (A/D input) (LSW901 to LSW912, S900)
TA, SOUND, D-BASS, MENU, DISC +,  . m, LIST, > M, ENTER, DISC –, CLOSE,
OPEN, Z keys input

47

KEYIN1

I

Key input terminal (A/D input) (LSW913 to LSW919, LSW921 to LSW925, S902)
6 to 3, SHUF 2, REP 1, AF, +, PTY DSPL, –, OFF, SOURCE, MODE o keys input

48

RCIN0

I

Rotary remote commander key input terminal (A/D input)

49

NC

O

Not used (open)

50

QUALITY

I

Noise level detection signal input at SEEK mode (A/D input)

51

FMAGC

I

FM AGC detection signal input from the FM/AM tuner unit (TUX100) (A/D input)

52

MPTH

I

Multi-path detection signal input from the RDS decoder (IC700) (A/D input)

53

VSM

I

FM and AM signal meter voltage detection input from the FM/AM tuner unit (TUX100)
(A/D input)

54

VCC

—

Power supply terminal (+5V)

55

ST-BY

O

Standby on/off control signal output terminal    “L”: standby mode, “H”: amplifier on

56

NS-MASK

O

Discharge control signal output for the noise detection circuit   “H”: discharge

57

REEL

I

Rotation detect signal input from supply reel sensor and take-up reel sensor on the deck
mechanism

58

OPEN

I

Not used (open)

59

TAPE ON

O

Tape system power supply on/off control signal output terminal    “H”: tape on

60

LMEJ

O

Motor drive signal output to the loading/tape operation motor drive (IC400)    “H” active
(For the eject direction and reverse side operation)    *1

61

LMLOD

O

Motor drive signal output to the loading/tape operation motor drive (IC400)    “H” active
(For the loading direction and forward side operation)    *1

62

CM ON

O

Capstan/reel motor (M901) drive signal output terminal    “H”: motor on

63

VSS

—

Ground terminal

64

POS0

I

65

POS1

I

66

POS2

I

67

POS3

I

68

NC

O

Not used (open)

69

FLASH-W

I

Internal flash memory data write mode detection signal input terminal    “L”: data write mode
Not used (pull up)

70

I2CSIO

I/O

Two-way data I

2

C bus with the FM/AM tuner unit (TUX100), RDS decoder (IC700) and electrical

volume (IC100)

71

I2CCKO

O

I

2

C bus clock signal output to the FM/AM tuner unit (TUX100), RDS decoder (IC700) and

electrical volume (IC100)

72

RCIN1

I

Rotary remote commander shift key input terminal

73

X1A

O

Sub system clock output terminal (32.768 kHz)

74

X0A

I

Sub system clock input terminal (32.768 kHz)

75

DAVN

I

Data transmit completed detection signal input from the RDS decoder (IC700)    “H” active

76

CDON-IN

I

CD/MD on/off control signal input terminal (fixed at “L” in this set)

Tape position (EJECT/FF/REW/REV/
FWD mode) detect input from the tape
operation switch on the deck mechanism

POS0: “L”: EJECT mode, “H”: others mode
POS1: “L”: FF and FWD mode, “H”: others mode
POS2: “L”: REW mode, “H”: others mode
POS3: “L”: REV and EJECT mode, “H”: others mode

40

Pin No.

Pin Name

I/O

Description

77

BU-IN

I

Battery detection signal input from the SONY bus interface (IC501) and battery detect circuit
“L” is input at low voltage

78

NC

O

Not used (open)

79

KEYACK

I

Input of acknowledge signal for the key entry    Acknowledge signal is input to accept function
and eject keys in the power off status    On at input of “H”

80

AD ON

O

A/D converter power control signal output terminal
When the KEYACK (pin ul) that controls reference voltage power for key A/D conversion input
is active, “L” is output from this terminal to enable the input

81

ACCIN

I

Accessory detection signal input terminal    “L”: accessory on

82

FLS PWON

O

Power on/off control signal output of the illumination LED and liquid crystal display driver
(IC901, 902)    “H”: power on

83

PW-ON

O

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

84

TESTIN

I

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

85

RAMBU

I

Internal RAM reset detection signal input from the RN5VD33AA (IC603)
Input terminal to check that RAM data are not destroyed due to low voltage
This checking is made within 100 msec after reset

86

HSTX

I

Hardware standby input terminal    “L”: hardware standby mode    Reset signal input in this set

87

MD2

I

Setting terminal for the CPU operational mode (fixed at “L” in this set)

88

MD1

I

Setting terminal for the CPU operational mode (fixed at “H” in this set)

89

MD0

I

Setting terminal for the CPU operational mode (fixed at “H” in this set)

90

RST

I

System reset signal input from the reset signal generator (IC602) and reset switch (S901, 902)
“L”: reset    “L” is input for several 100 msec after power on, then it changes to “H”

91

VSS

—

Ground terminal

92

X0

I

Main system clock input terminal (3.68 MHz)

93

X1

O

Main system clock output terminal (3.68 MHz)

94

VCC

—

Power supply terminal (+5V)

95

ILLIN

I

Auto dimmer control illumination line detection signal input terminal
“L” is input at dimmer detection

96

I-DET

I

Detection signal input from the motor overload detection circuit for the front panel open/close
motor (M601)
“L” is input when the motor current exceeds the specified value

97

MOT–

O

Front panel open/close motor (M601) drive signal (in panel close direction) output to the
BA6288FS (IC502)     “H” active   *2

98

MOT+

O

Front panel open/close motor (M601) drive signal (in panel open direction) output to the
BA6288FS (IC502)     “H” active   *2

99

CLOSE SW

I

Front panel open/close detect switch input terminal    “L” is input when the front panel is closed

100

OPEN SW

I

Front panel open/close detect switch input terminal    “L” is input when the front panel is opened

101 to 103

NC

I

Not used (fixed at “H”)

104, 105

DSTSEL1,

DSTSEL2

I

Destination setting terminal (A/D input)   *3

106

BOOT

O

Serial data output to the liquid crystal display drive controller (IC607)

107

DSP GAIN

O

Not used (open)

108

DSP ON

O

Power supply on/off control signal output terminal    “H”: DSP on    Not used (open)

109

NC

O

Not used (open)

110

EMPH-IN

I

Emphasis control signal input terminal    Not used (fixed at “L”)

111

PACK SW

I

Cassette in/out detect switch (S901)    “L”: cassette in

112

4V SEL

I

Input terminal of whether line driver is mounted or not is detected
“H”: line driver is not mounted

113

P SEL

I

Power select input terminal    Not used (fixed at “L”)