Sony MDS-JE630 Stb, Chack, Ldin, Ld-Low, Rec-P, Rec/Pb, Sda, Wr-Pwr, Reflect, Dig-Rst

Page 51

 

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:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 CXD2656R (IC121)

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*1 Loading motor (M103) control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Terminal

 

Mode

 

LOADING

EJECT

 

BRAKE

 

RUN IDLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LDIN (pin )

 

 

“L”

 

“H”

 

“L”

 

“H”

 

 

 

 

 

LDOUT (pin )

 

 

“H”

 

“L”

 

“L”

 

“H”

 

 

 

– 63 –

Image 51
Contents MBU-5D SpecificationsMDS-JE520 MDM-5DSELF-DIAGNOSIS Function Items of Error History Mode Items and Contents Table of Contents DiagramsSection Servicing Notes Flexible Circuit Board Repairing IOP JIG for Checking BD Board WaveformRecord Procedure Criteria for Determination Measure if unsatisfactory Checks Prior to Parts Replacement and AdjustmentsProcedure Retry Cause Display ModeHexadecimal nBinary Conversion Table Section General Location of ControlsFront Panel Rear Panel Page Section Disassembly CaseFront Panel Section Mechanism Deck Section MDM-5D Main BoardBase Unit MBU-5D, BD Board Slider CAMSW BOARD, Loading Motor M103 Releasing 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 Check 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 Focus Bias Adjustment MO Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment CD Auto Gain Control Output Level AdjustmentAdjustment Location MDS-JE630 Section DiagramsBlock Diagram Servo Section ∙ Signal PathREC Analog Block Diagram Main SectionPlay Analog OUT Circuit Boards Location Printed Wiring Board BD Board See page 36 for Circuit Boards LocationSemiconductor Location MDS-JE630 43 for Waveforms. See page 56 for IC Block Diagrams Schematic Diagram BD Board 2/2 SeeMain Board Schematic Diagram SW BoardPrinted Wiring Board SW Board Waveforms BD Board36 for Circuit Boards Location Semiconductor Location Printed Wiring Board Main Board SeeSchematic Diagram Main Board 1/2 See page 43 for Waveforms Line with mark !are critical for safety Ref. No Location D757 IC761 IC771 Q757 Q781 Q782 Schematic Diagram Panel Section See page 43 for Waveform IC Block Diagrams BD Board IC101 IC121 CXD2656RIC152 BH6511FS-E2 Main Board IC310 M5293L IC431 LA5632 IC321 AK4524IC471 LB1641 IC PIN Function Description Xrst XlatSrdt SensAsyi XrasXWE AsyoSpfd SrdrSfdr SprdRST AderByte CnvssLD-LOW STBChack LdinClock SET1 SCLSctx Clock SET012 A-4724-696-A Main BOARD, Complete Section Exploded ViewsChassis Section 17 #167 A-4724-697-A KEY SW BOARD, Complete 65 A-4724-698-A Display BOARD, Complete209 4-988-466-21 Spring ELECTROSTATIC, Leaf Mechanism Section216 207 203 222 223 225 202 201 226 206 204Base Unit Section MBU-5D Section Electrical Parts List Display Display HP KEY KEY SW KEY SW Main GP1F38R Digital in OPT2 Ground PlateTC74HCU04AP GP1F38R Digital in OPT1Line Filter Ferrite Bead InductorMain Power SW SW Accessories & Packing Materials CORD, Connection AudioMANUAL, Instruction ENGLISH, French
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Manual 61 pages 6.43 Kb

MDS-JE630 specifications

The Sony MDS-JE630 is a compact and versatile MiniDisc recorder that was launched in the late 1990s, showcasing Sony's commitment to portable digital audio technology. Renowned for its superior sound quality, the MDS-JE630 is an exceptional choice for audiophiles and professionals alike, offering a user-friendly interface and a range of advanced features.

One of the main highlights of the MDS-JE630 is its MDLP (MiniDisc Long Play) technology, which allows for extended recording time without sacrificing audio quality. This feature enables users to record up to 148 minutes of stereo sound on a single MiniDisc, making it an invaluable tool for those requiring longer recording sessions, such as musicians or radio broadcasters.

The MDS-JE630 is equipped with ATRAC (Adaptive Transform Acoustic Coding) compression algorithms, ensuring that audio files retain high fidelity even when compressed. The device features a 20-bit digital-to-analog converter, providing remarkable sound clarity and depth. Users can expect crisp highs and robust lows, making every listening experience engaging and immersive.

Ease of use is another hallmark of the MDS-JE630. The front panel includes an intuitive layout, featuring a large LCD display that clearly shows current track information, time elapsed, and other playback indicators. Additionally, the unit offers various playback modes such as normal, repeat, and shuffle, allowing users to customize their listening experience.

The recording process on the MDS-JE630 is seamless, thanks to its one-touch recording feature. Users can easily initiate recordings from connected sources, including CD players or turntables, via the device's multiple inputs, such as line-in and optical digital inputs. This adaptability makes it a versatile component for any audio setup, whether for home studios or live performances.

Moreover, the MDS-JE630 incorporates a variety of editing functions, including track arranging, dividing, and merging, providing users with the ability to create perfectly curated audio collections. The device also supports a wide range of MiniDisc formats, ensuring compatibility with existing media.

In conclusion, the Sony MDS-JE630 stands out as a premier MiniDisc recorder, offering a blend of advanced technology, user-friendly design, and high-quality playback. Its innovative features and commitment to sound quality have made it a popular choice for music professionals and enthusiasts, solidifying its reputation as a reliable audio recording solution for years to come.