Sony 4-216-840-0 Stb, Chack, Ldin, Ld-Low, Rec-P, Rec/Pb, Sda, Wr-Pwr, Reflect, Scl, Sctx, LED0

Page 35

Pin No.

 

Pin Name

I/O

 

 

 

 

 

 

 

 

 

Description

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50

 

STB

O

Relay drive signal output for the power on/off “L”: standby mode, “H”: relay 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 (IC441)

“L” active

*1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

55

 

LDOUT

O

Motor control signal output to the loading motor driver (IC441)

“L” active

*1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

56

 

LD-LOW

O

Loading motor drive voltage control signal output for the loading motor driver (IC441)

 

“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

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 CXD2654R (IC121)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

67

 

WR-PWR

O

Laser power select signal output to the CXD2654R (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 CXD2654R (IC121)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

MNT1 (SHOCK)

I

Track jump detection signal input from the CXD2654R (IC121)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

73

 

DIG-RST

O

Reset signal output to the CXD2654R (IC121) and BH6511FS (IC152) “L”: reset

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

74

MNT2 (XBUSY)

I

Busy signal input from the CXD2654R (IC121)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

75

 

XLATCH

O

Serial data latch pulse signal output to the CXD2654R (IC121)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Laser modulation select signal output to the HF module switch circuit

 

 

 

 

 

 

 

 

Playback power: “H”, Stop: “L”,

 

 

 

 

 

 

 

 

 

 

 

Recording power:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.5 sec

 

 

76

 

MOD

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 sec

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 CXD2654R (IC121)

 

 

 

“H” is input when focus is on (“L”: NG)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*1 Loading motor (M103) control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mode

LOADING

EJECT

 

 

BRAKE

 

RUN IDLE

 

 

 

Terminal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LDIN (pin %¢)

 

“L”

 

“H”

 

“L”

 

“H”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LDOUT (pin %°)

 

“H”

 

“L”

 

“L”

 

“H”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 CXD2654R (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

 

 

(US and Canadian models: fixed at “L”, AEP, UK and E models: fixed at “H”)

 

 

 

 

 

 

 

 

 

 

 

 

 

82

CLOCK SET1

I

Destination setting terminal

 

 

(US and Canadian models: fixed at “H”, AEP, UK and E models: fixed at “L”)

 

 

 

 

 

 

 

 

 

 

 

 

83

 

LED0

O

LED drive signal output of the r REC indicator (D741)

“L”: LED on

84

 

LED1

O

LED drive signal output of the á indicator (D742) “L”: LED on

85

OPT SEL0

O

Not used (open)

 

 

 

 

 

 

 

 

 

 

86

OPT SEL1

O

Not used (open)

 

 

 

 

 

 

 

 

 

87

MODEL SEL0

I

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

 

 

 

 

 

 

 

 

88

MODEL SEL1

I

Setting terminal for the model (Not used (open))

 

 

 

 

 

 

 

 

 

89

 

REC

O

Not used (open)

 

 

 

 

 

 

 

 

 

90

BEEP SW

I

BEEP switch input terminal “L”: beep off, “H”: beep on

Not used

 

 

 

 

 

 

 

91

 

NC

O

Not used (open)

 

 

 

 

 

 

 

92

 

SOURCE

I

INPUT switch (S731) input terminal (A/D input) “L”: digital input, “H”: analog input

 

 

 

 

 

 

 

93

 

KEY3

I

Key input terminal (A/D input)

Not used (fixed at “H”)

 

 

 

 

 

 

 

 

94

 

KEY2

I

Key input terminal (A/D input)

S721 to S726 (EJECT ¤, PLAY MODE, REPEAT, SCROLL,

 

LEVEL/DISPLAY/CHAR, I/ukeys 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 (r REC, p, ), 0, P, á 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

Recording mode switch input terminal “L”: mono, “H”: stereo Not used (open)

 

 

 

 

 

 

 

 

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Page 34 Page 36
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Page 34 Page 36
Contents MDM-5A SpecificationsMDS-JE520 SELF-DIAGNOSIS Function Items of Error History Mode Items and Contents Section Servicing Notes Table of ContentsDiagrams Varning Flexible Circuit Board RepairingIOP JIG for Checking BD Board WaveformRecord Precedure Criteria for Determination Measure if unsatisfactory Checks Prior to Parts Replacement and AdjustmentsPrecedure Retry Cause Display ModeHexadecimal nBinary Conversion Table Section General Front Panel Section Section DisassemblyCover Mechanism Deck Section MDM-5A Main BoardBase Unit MBU-5A, BD Board Slider CAMSW BOARD, Loading Motor M103 Exiting the Test Mode Section Test ModePrecautions for USE of Test Mode Setting the Test ModeDisplay Contents Mark Group Selecting the Test ModeOUT Operating the Continuous Playback ModeNon-Volatile Memory Mode EEP Mode MIDFunctions of Other Buttons Test Mode DisplaysMeanings of Other Displays Parts Replacement and Adjustment Section Electrical AdjustmentsLaser power meter Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK-UP KMS-260A Precautions for AdjustmentsTraverse Check Temperature Compensation Offset CheckLaser Power Check Check Prior to RepairsSelf-Recording/playback Check Play Checking MO Error Rate CheckCD Error Rate Check Focus Bias CheckRecording and Displaying the IOP Information Initial Setting of Adjustment ValueTemperature Compensation Offset Adjustment Laser Power AdjustmentTraverse Adjustment ING CONTINUOUSLY-RECORDED Disc Focus Bias AdjustmentMO Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment CD Auto Gain Control Output Level AdjustmentAdjustment Location IC PIN Function Description Section DiagramsSens MNT2 XbusyXlat SrdtAsyi XrasXWE AsyoSprd FS4Srdr SfdrRST AderByte CnvssLD-LOW STBChack LdinREC Analog REC Digital Block Diagram MD Servo Section∙ Signal Path Play Analog OUTREC Analog Block Diagram Main SectionCND Circuit Boards LocationSemiconductor Location MDS-M100 65 for Waveforms. See page 51 for IC Block Diagram Schematic Diagram BD Board 2/2 SeePrinted Wiring Board SW Board Schematic Diagram SW BoardIC152 BH6511FS-E2 IC121 CXD2654RMain Board IC301 ΜDA1341TS/N2 IC406 M62016L IC421 M5293LMDS-M100 Semiconductor Location Schematic Diagram Main Board 1/2 See page 65 for Waveform MDS-M100 Ref. No Location D741 D742 IC761 Q741 Q742 Q767 MDS-M100 Cover Section SectionExploded Views AEP, SP Chassis Section221 A-4680-409-A Holder Complete Assy Mechanism Section MDM-5A201 206 204 205 209 4-988-466-11 Spring ELECTROSTATIC, LeafBase Unit Section MBU-5A AC Select BD Section Electrical Parts ListTransistor FMW1 Short SwitchIC/TRANSISTOR CXA2523ARCeramic ConnectorMain Except US, CND InductorCarbon Main Panel Panel SW Trans Sony Corporation
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