Sony MDS-PC2 service manual IC121 CXD2654R, IC152 BH6511FS-E2

Page 45

 

IC121 CXD2654R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EFMO

DVSS

TEST3

TEST2

TEST1

TEST0

SPFD

SPRD

 

 

 

 

SFDR

SRDR

FS4

FRDR

FFDR

DVDD

TFDR

TRDR

LDDR

APCREF

DTRF

CKRF

XLRF

F0CNT

ADFG

APC

DCHG

 

 

 

 

100

99

98

97

96

95

94

93

 

 

 

 

92

91

90

89

88

87

86

85

84

83

82

81

80

79

78

77

76

 

 

 

 

 

 

 

 

 

 

SPINDLE

 

 

 

 

 

 

 

 

PWM

 

 

 

 

AUTO SEQUENCER

 

 

 

 

 

 

 

MNT0

1

 

 

 

 

 

 

SERVO

 

 

 

 

 

 

 

GENERATOR

 

 

 

 

 

 

 

 

75

TE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

74 SE

MNT1

2

MONITOR

 

EACH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

73

AVSS

MNT2

3

CONTROL

 

BLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MNT3

4

 

 

 

 

 

 

ADIP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72

ADRB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

71

ADRT

 

 

 

 

 

 

 

DEMODULATOR/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

70

AVDD

SWDT

5

 

 

 

 

 

 

DECODER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

69

ADIO

SCLK

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XLAT

7

CPU I/F

 

EACH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

68

VC

SRDT

8

 

 

 

 

BLOCK

 

 

 

 

 

 

 

 

 

SERVO

 

 

 

A/D

 

 

 

 

 

 

 

67

AUX1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DSP

 

 

CONVERTER

 

 

 

 

 

 

SENS

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANALOG

66 FE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XRST

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MUX

 

65

ABCD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

APC

 

 

 

 

 

 

 

 

 

 

 

 

64

BOTM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SQSY

11

SUBCODE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

63

PEAK

DQSY

12

PROCESSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RECP

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

62

CLTV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

61

FILO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PLL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

FILI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EFM/ACIRC ENCODER/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DECODER

 

 

 

59

PCO

XINT

14

 

 

 

 

 

 

 

 

 

 

 

SHOCK RESISTANT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MEMORY CONTROLLER

 

 

 

 

 

 

 

 

 

 

 

TX

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

58

AVSS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OSCI

16

 

CLOCK

 

 

EACH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OSCO

17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GENERATOR

 

BLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XTSL

18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

57

RFI

 

 

 

 

 

 

 

 

 

DIGITAL

 

SAMPLING

 

 

 

 

 

 

 

 

COMP

 

DIN0

19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

56

BIAS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUDIO

 

 

RATE

 

 

 

 

 

 

 

 

 

 

 

 

 

DIN1

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

55

AVDD

 

 

 

 

 

 

 

 

 

I/F

 

 

CONVERTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

54

ASYI

DOUT

21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

53

ASYO

DATAI

22

 

 

 

 

 

 

 

 

 

 

 

 

ATRAC

 

 

 

 

 

 

 

 

 

DRAM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LRCKI

23

 

 

 

 

 

 

 

 

 

 

 

ENCODER/DECODER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XBCKI

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADDT

25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

52

MVCI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADDRESS/DATA BUS A00 - A11, D0 - D3

 

 

 

 

 

 

51

D3

 

26

27

28

29

30

 

 

 

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

 

 

 

 

 

DADT

LRCK

XBCK

FS256

DVDD

 

 

 

A03

A02

A01

A00

A10

A04

A05

A06

A07

A08

A11

DVSS

XOE

XCAS

A09

XRAS

XWE

D1

D0

D2

 

 

 

 

 

IC152 BH6511FS-E2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAPA–

CAPA+

IN2R

IN2F

VM2

OUT2F

PGND2

OUT2R

VM12

OUT1R

PGND1

OUT1F

VM1

IN1F

IN1R

VDD

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

 

 

INTERFACE

 

AMP

 

AMP

 

AMP

 

 

AMP

INTERFACE

VDD

CHARGE

 

PREDRIVE

 

 

 

 

 

 

 

PREDRIVE

 

 

PUMP.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OSC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PREDRIVE

 

 

 

 

 

 

 

PREDRIVE

 

 

 

 

INTERFACE

 

AMP

 

AMP

 

AMP

 

 

AMP

INTERFACE

PSB

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

GND

VG

IN4R

IN4F

VM4

OUT4F

PGND4

OUT4R

VM34

OUT3R

PGND3

OUT3F

VM3

IN3F

IN3R

PSB

45

Image 45
Contents MDM-5A SpecificationsSELF-DIAGNOSIS Function InputProgram Items of Error History Mode Items and Contents Parts No Flexible Circuit Board RepairingDisassembly Table of ContentsDiagrams Exploded ViewsJIG for Checking BD Board Waveform Section Servicing NoteIOP TEORecord Precedure Checks Prior to Parts Replacement and Adjustments Criteria for Determination Measure if unsatisfactoryREC/PLAY Forced Reset Fluorescent Display Tube ALL Lighting and KEY Check ModePower Board Component Side Higher Bits Lower Bits Hexa Retry Cause Display ModeCause of Retry Occurring conditions Bit BinaryBit When Binary Higher Bits Lower Bits Hexa DetailsHexadecimal Binary Front Panel Section GeneralSection Disassembly Case and Front PanelMD Mechanism Base Unit MBU-5A and BD Board Slider CAMSW Board and Loading Motor M103 Precautions for USE of Test Mode Section Test ModeSetting the Test Mode Exiting the Test ModeGroup Selecting the Test ModeNon-Volatile Memory Mode EEP Mode Operating the Continuous Playback ModeMID OUTFunctions of Other Buttons Test Mode DisplaysMeanings of Other Displays Parts Replacement and Adjustment Section Electrical AdjustmentsPrecautions for USE of Optical PICK- UP KMS-260A Precautions for Checking Laser Diode EmissinonPrecautions for Adjustments Creating Continuously Recorded DiscLaser Power Check Temperature Compensation Offset CheckChecks Prior to Repairs Specified ValueCD Error Rate Check Play Checking MO Error Rate CheckFocus Bias Check EjectTemperature Compensation Offset Adjutment Initial Setting of Adjustment ValueLaser Power Adjustment Recording and Displaying the IOP InformationTraverse Adjustment 6EJECT Focus Bias AdjustmentAuto Gain Control Output Level Adjustment Error Rate CheckCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentBD Board Side B Adjusting Points and Connecting PointsCircuit Boards Location Section DiagramsMDS-PC2 Block Diagram BD SectionPB Digital out REC DigitalLD-LOVO Main SectionPanel Section WaveformsSee page 30 for Circuit Boards Location Printed Wiring Board BD SectionSchematic Diagram BD 1/2 Section Schematic Diagram BD 2/2 Section Schematic Diagram Main 1/2 Section Schematic Diagram Main 2/2 Section PanelBoard Printed Wiring Board Main Section PowerBD Board Panel Schematic Diagram Panel Section Main Board Printed Wiring Board Panel SectionSchematic Diagram Power Section Main Board BD Board Printed Wiring Board Power SectionSchematic Diagram BD Switch Section IC Block Diagram Printed Wiring Board BD Switch SectionBD section IC101 CXA2523AR IC152 BH6511FS-E2 IC121 CXD2654RIC441 LB1830M Main section IC301 UDA1341TS/N2IC PIN Functions IC101 RF Amplifier CXA2523AR BD boardPin No Pin Name Function MNT1 Shck MNT0 FOKMNT2 Xbusy MNT3 SlocAsyo MvciAsyi AvddFfdr TfdrFrdr FS4IC501 System Control M30620MC-406FP Main board PB-P OPT SEL Mode SELREC/PB SDACORD, Power UK Section Exploded ViewsCabinet Section Insulator F Mechanism Section MDM-5A509 4-988-466-21 Spring ELECTROSTATIC, Leaf 526 A-4680-417-A Holder Complete AssyBase Unit Section MBU-5A HEAD, Over LightMotor ASSY, Sled Back UP Section Electrical Parts List Main Elect CONNECTOR, FFC 15PGround Terminal Ferrite BeadPIN, Connector 2P PLUG, Connector 6PMain 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.