Sony 4-216-840-0 service manual Block Diagram Main Section, REC Analog

Page 37

MDS-M100

6-3. BLOCK DIAGRAM – MAIN Section –

A/D, D/A CONVERTER

IC301

∙ SIGNAL PATH

J101

: PLAY (ANALOG OUT)

A

ADDT

DATAO

DIGITAL MIXER,

A/D

0dB/6dB

VINL1

2

L

LINE

: REC (ANALOG IN)

18

VINR1

DECIMATION

CONVERTER

SWITCH

4

R

(ANALOG) IN

FILTER

BLOCK

(Page 38)

DIGITAL

VOUTL

LINE AMP

LOW-PASS

INTERFACE

26

L

FILTER

DADT, BCK,

IC381 (1/2)

DSP FEATURE,

D/A

IC386 (1/2)

LRCK

DADT

DATAI

NOISE

LINE

B

BCK

19

BCK

INTERPOLATION

SHAPER

CONVERTER

(ANALOG) OUT

(Page 38)

16

FILTER

BLOCK

VOUTR

LINE AMP

LOW-PASS

24

R

LRCK

WS

FILTER

17

IC381 (2/2)

IC386 (2/2)

PEAK DET

L3-BUS INTERFACE

MUTING

CLOCK

SYSCLK

12

OSC

Q191, 291

L3MODE

GENERATOR

IC351

L3DATA

L3CLK

22.5792MHz

MUTING

X351

15 14 13

CONTROL SWITCH

Q390

C

512FS

(Page 38)

D390

REMOTE CONTROL

EEPROM

RECEIVER

SDA

IC171

IC781

SCL

D391

5

6

65

79

30 28 47

6

49

15

XIN

SDA

SCL

L3-DATA

L3-CLOCK

L3-MODE

SYSTEM CONTROLLER

RMC

MUTE

UNREG +12V

X513

IC501 (2/2)

LOADING MOTOR

10MHz

+5V

DRIVER (IC441) B+

13

XOUT

SOURCE

MD MECHANISM

FLDATA

FLCLK

FLCS

LED0 LED1

JOG0

JOG1

KEY0 – KEY2

P.DOWN S.RST STB

DECK SECTION B+

35 37 34

83 84

43

42

97, 95, 94

92

19 12 50

+3.3V

+3.3V

+5V

RECT

MD MECHANISM

REGULATOR

REGULATOR

DECK SECTION,

D411, 412

T901

IC192

IC411

DIGITAL IN CIRCUIT B+

D742

POWER

1

3

TRANSFORMER

á

63 62 61

A

B

ANALOG

UNREG +6V

RECT

DAT

CLK

CS

ROTARY

LINE OUT

UNREG –6V

D461, 462,

LED DRIVE

CIRCUIT

D466, 467

ENCODER

Q742

S731

C769, R769

OSCI

INPUT

59

GND

SW

–32V

FL/LED DRIVER

ANALOG

–32V

RECT

OSC

4

REGULATOR

IC761

5

(FL DRIVER (IC761) B–)

D421

LED DRIVE

IC421

58

OSCO

DIGITAL

Q741

S713

G13

RST

AC F-1

P1

=AMS +

AC

S1 – S35

G1 – G12

D741

AC F-2

rREC

PUSH ENTER

(TO FL771)

1

5 – 39

40 – 51

52

60

Q751

SEG35–

G12–

Q767

RY901

RELAY DRIVE

LED DRIVE

FL DRIVE

Q911

SEG1

G1

S701 – 706, 711, 712,

T910

G13

S714, 721 – 726

POWER

(EXCEPT Singapore)

TRANSFORMER

D751

FLUORESCENT INDICATOR TUBE

+3.3V

RECT

I/u

FL771

SYS +3.3V

REGULATOR

D401 – 404

IC401

D409

D406

AC IN

05

BACK UP +3.3V

D431

D432

VOLTAGE

D408

BT406

SELECTOR

LITHIUM

S951

RESET SIGNAL

BATTERY

(Singapore)

GENERATOR

D433

IC406

POWER DOWN

DETECT

IC601 (2/2)

– 39 –

– 40 –

Image 37

Contents MDS-JE520 SpecificationsMDM-5A SELF-DIAGNOSIS Function Items of Error History Mode Items and Contents Diagrams Table of ContentsSection Servicing Notes 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 Cover Section DisassemblyFront Panel Section Mechanism Deck Section MDM-5A Main BoardBase Unit MBU-5A, BD Board Slider CAMSW BOARD, Loading Motor M103 Precautions for USE of Test Mode Section Test ModeSetting the Test Mode Exiting the Test ModeDisplay Contents Mark Group 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 EmissionPrecautions for Adjustments Laser power meterLaser Power Check Temperature Compensation Offset CheckCheck Prior to Repairs Traverse CheckCD Error Rate Check Play Checking MO Error Rate CheckFocus Bias Check Self-Recording/playback CheckTemperature Compensation Offset Adjustment Initial Setting of Adjustment ValueLaser Power Adjustment Recording and Displaying the IOP InformationTraverse Adjustment ING CONTINUOUSLY-RECORDED Disc Focus Bias AdjustmentAuto Gain Control Output Level Adjustment Error Rate CheckCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjustment Location IC PIN Function Description Section DiagramsXlat MNT2 XbusySrdt SensXWE XrasAsyo AsyiSrdr FS4Sfdr SprdByte AderCnvss RSTChack STBLdin LD-LOW∙ Signal Path Block Diagram MD Servo SectionPlay Analog OUT REC Analog REC DigitalREC 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 BoardMain Board IC301 ΜDA1341TS/N2 IC121 CXD2654RIC406 M62016L IC421 M5293L IC152 BH6511FS-E2MDS-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 Exploded Views SectionCover Section AEP, SP Chassis Section201 206 204 205 Mechanism Section MDM-5A209 4-988-466-11 Spring ELECTROSTATIC, Leaf 221 A-4680-409-A Holder Complete AssyBase Unit Section MBU-5A AC Select BD Section Electrical Parts ListIC/TRANSISTOR Short SwitchCXA2523AR Transistor FMW1Main ConnectorCeramic Carbon InductorExcept US, CND Main Panel Panel SW Trans Sony Corporation