Sony MDS-PC2 Pb-P, Rec/Pb, Sda, MNT3 Slock, Wr Pwr, Protect, Reflect, Ldon, NMT1 Shock, Dig-Rst

Page 52

Pin No.

 

 

Pin Name

I/O

 

Function

 

 

 

 

 

 

60

 

PB-P

I

Detection signal input from the playback position detection switch

 

 

 

 

 

 

 

61

 

REC/PB

O

Not used Write: “H”

 

 

 

 

 

 

 

 

62

 

+3.3V

—

+3.3V power supply

 

 

 

 

 

 

 

 

63

 

NC

O

Not used (Fixed at “L”)

 

 

 

 

 

 

 

 

64

 

GND

—

Ground

 

 

 

 

 

 

 

65

 

SDA

I/O

Data signal input/output pin with the backup memory

 

 

 

 

 

 

66

 

MNT3 (SLOCK)

I

In the state of spindle servo lock from the CXD2564R

 

 

 

 

 

 

 

67

 

WR PWR

O

Write power ON/OFF output

 

 

 

 

 

 

 

68

 

PROTECT

I

Recording-protection claw detection input from the protection detection switch

 

Protect: “H”

 

 

 

 

 

 

 

 

 

 

 

 

 

69

 

REFLECT

I

Disk reflection rate detection input from the reflect detection switch

 

Disk with low reflection rate: “H”

 

 

 

 

 

 

 

 

 

 

 

 

70

 

LDON

O

Laser ON/OFF control output

“H”: Laser ON

 

 

 

 

 

 

71

 

SENS

I

Internal status (SENSE) input from the CXD2654R

 

 

 

 

 

 

72

 

NMT1 (SHOCK)

I

Track jump signal input from the CXD2654R

 

 

 

 

 

 

73

 

DIG-RST

O

Digital rest signal output to the CXD2654R and motor driver Reset: “L”

 

 

 

 

 

 

74

 

MNT2 (XBUSY)

I

In the state of executive command from the CXD2654R

 

 

 

 

 

 

75

 

XLATCH

O

Latch signal output to the serial bus

 

 

 

 

 

 

76

 

MOD

O

Laser modulation switching signal output

77

 

LIMIT-IN

I

Detection input from the limit switch

 

Sled limit-In: “L”

 

 

 

 

 

 

 

 

 

 

 

 

 

78

 

MNT0 (FOK)

I

Focus OK signal input from the CXD26504R

 

“H” is input when focus is on

 

 

 

 

 

 

 

 

 

 

 

 

 

79

 

SCL

O

Clock signal output to the backup memory

 

 

 

 

 

 

80

 

SCTX

O

Writing data transmission timing output to the CXD2654R

 

Shared with the magnetic head ON/OFF output

 

 

 

 

 

 

 

 

 

 

 

 

81

 

CLKSET0

I

Clock destination select pin

US, Canadian: “L”, Except US, Canadian :“H”

 

 

 

 

 

 

 

82

 

CLKSET1

I

Clock destination select pin

US, Canadian: “H”, Except US, Canadian :“L”

 

 

 

 

 

 

 

83

 

LED0

O

 

 

 

 

 

 

 

 

 

84

 

LED1

O

 

 

 

 

 

 

 

 

 

85

 

OPT DEL

O

Not used

 

86

 

OPT SEL

O

 

 

 

 

 

 

 

 

 

 

 

87

 

MODE SEL 0

I

 

 

 

 

 

 

 

 

 

88

 

MODE SEL 1

O

 

 

89

 

 

 

O

 

 

 

REC

 

 

90

 

BEEP SW

O

Beep switch

 

 

 

 

 

 

 

 

91

 

NC

I

 

 

 

 

 

 

 

 

 

92

 

NC

I

Not used

 

 

 

 

 

 

 

93

 

KEY 3

I

 

 

 

 

 

 

 

 

 

 

 

94

 

KEY 2

I

 

 

 

 

 

 

 

 

 

95

 

KEY 1

I

Key input pin (A/D input)

 

 

 

 

 

 

 

 

96

 

AVSS

—

Ground (Analog)

 

 

 

 

 

 

 

 

97

 

KEY0

I

Key input pin (A/D input)

 

 

 

 

 

 

 

98

 

VREF

—

A/D reference voltage (Fixed at “H”)

 

 

 

 

 

 

99

 

+3.3V

—

+3.3V power supply

 

 

 

 

 

 

100

 

MONO/ST

I

Monaural, stereo change input Monaural: “L”

 

 

 

 

 

 

 

52

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Contents Specifications MDM-5AInput SELF-DIAGNOSIS FunctionProgram Items of Error History Mode Items and Contents Flexible Circuit Board Repairing Parts NoTable of Contents DisassemblyDiagrams Exploded ViewsSection Servicing Note JIG for Checking BD Board WaveformIOP TEORecord Precedure Criteria for Determination Measure if unsatisfactory Checks Prior to Parts Replacement and AdjustmentsREC/PLAY Fluorescent Display Tube ALL Lighting and KEY Check Mode Forced ResetPower Board Component Side Retry Cause Display Mode Higher Bits Lower Bits HexaCause of Retry Occurring conditions Bit BinaryHigher Bits Lower Bits Hexa Details Bit When BinaryHexadecimal Binary Section General Front PanelCase and Front Panel Section DisassemblyMD Mechanism Slider CAM Base Unit MBU-5A and BD BoardSW Board and Loading Motor M103 Section Test Mode Precautions for USE of Test ModeSetting the Test Mode Exiting the Test ModeSelecting the Test Mode GroupOperating the Continuous Playback Mode Non-Volatile Memory Mode EEP ModeMID OUTTest Mode Displays Functions of Other ButtonsMeanings of Other Displays Section Electrical Adjustments Parts Replacement and AdjustmentPrecautions for Checking Laser Diode Emissinon Precautions for USE of Optical PICK- UP KMS-260APrecautions for Adjustments Creating Continuously Recorded DiscTemperature Compensation Offset Check Laser Power CheckChecks Prior to Repairs Specified ValuePlay Checking MO Error Rate Check CD Error Rate CheckFocus Bias Check EjectInitial Setting of Adjustment Value Temperature Compensation Offset AdjutmentLaser Power Adjustment Recording and Displaying the IOP InformationTraverse Adjustment Focus Bias Adjustment 6EJECTError Rate Check Auto Gain Control Output Level AdjustmentCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points BD Board Side BSection Diagrams Circuit Boards LocationBlock Diagram BD Section MDS-PC2PB Digital out REC DigitalMain Section LD-LOVOWaveforms Panel SectionPrinted Wiring Board BD Section See page 30 for Circuit Boards LocationSchematic Diagram BD 1/2 Section Schematic Diagram BD 2/2 Section Schematic Diagram Main 1/2 Section Panel Schematic Diagram Main 2/2 SectionBoard Power Printed Wiring Board Main SectionBD Board Panel Schematic Diagram Panel Section Printed Wiring Board Panel Section Main BoardSchematic Diagram Power Section Printed Wiring Board Power Section Main Board BD BoardPrinted Wiring Board BD Switch Section Schematic Diagram BD Switch Section IC Block DiagramBD section IC101 CXA2523AR IC121 CXD2654R IC152 BH6511FS-E2Main section IC301 UDA1341TS/N2 IC441 LB1830MIC101 RF Amplifier CXA2523AR BD board IC PIN FunctionsPin No Pin Name Function MNT0 FOK MNT1 ShckMNT2 Xbusy MNT3 SlocMvci AsyoAsyi AvddTfdr FfdrFrdr FS4IC501 System Control M30620MC-406FP Main board OPT SEL Mode SEL PB-PREC/PB SDASection Exploded Views CORD, Power UKCabinet Section Mechanism Section MDM-5A Insulator F509 4-988-466-21 Spring ELECTROSTATIC, Leaf 526 A-4680-417-A Holder Complete AssyHEAD, Over Light Base Unit Section MBU-5AMotor ASSY, Sled Back UP Section Electrical Parts List Main CONNECTOR, FFC 15P ElectGround Terminal Ferrite BeadPLUG, Connector 6P PIN, Connector 2PMain Panel VibratorPanel Power Power SW 928-916-11

MDS-PC2 specifications

The Sony MDS-PC2 is a compact yet powerful digital MiniDisc recorder that was designed to bring studio-quality recording capabilities to the consumer level. Launched in the late 1990s, this device was particularly notable for its versatility and advanced audio technologies, making it a favorite among audiophiles and home studio enthusiasts alike.

One of the standout features of the MDS-PC2 is its ability to record and playback audio with exceptional clarity. It utilizes the MiniDisc format, which employs a magneto-optical technology that allows for higher-quality recordings compared to traditional cassette formats. The MDS-PC2 supports various audio bit rates, including standard Stereo at 292 kbps and long play modes, which double the recording time at the cost of some audio fidelity. This flexibility allows users to tailor their recording settings to their specific needs.

The MDS-PC2 features an intuitive interface, including an easy-to-read LCD display that shows vital information about the track, such as its name, length, and remaining recording time. The device is equipped with multiple input options, including optical and analog connections, facilitating seamless integration into any audio setup. The built-in digital signal processor (DSP) enhances the recording quality by minimizing background noise and distortion, providing a clean and crisp listening experience.

Another notable characteristic is the MDS-PC2's editing capabilities. Users can easily create custom playlists, erase tracks, and rearrange audio sequences with a few simple commands. The unit also supports fade-in and fade-out functionalities, allowing for smooth transitions between tracks. The flexibility in editing makes it a potent tool for podcasters, musicians, and anyone looking to produce high-quality audio content.

Portability is another key aspect of the Sony MDS-PC2. Its lightweight design and durable build make it easy to transport, catering to users who are frequently on the move. Battery operation options provide additional convenience for those who wish to use the recorder away from a power source.

In summary, the Sony MDS-PC2 combines innovative technology with user-friendly features, making it an excellent choice for anyone seeking an efficient and high-quality MiniDisc recorder. Its capability to produce superior audio recordings, coupled with its adaptability and portability, has solidified its place as an essential tool for audio recording and playback in various settings.
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