Ref. No Location D741 D742 IC761 Q741 Q742 Q767 | Sony 4-216-840-0

MDS-M100

6-14. PRINTED WIRING BOARDS – PANEL/PANEL 2 Boards – See• page 41 for Circuit Boards Location.

(Page 55)

•Semiconductor Location

Ref. No.	Location

D741	B-1
D742	A-1
IC761	B-7
Q741	B-1
Q742	B-1
Q767	C-5

– 61 –

– 62 –

Image 48

Sony 4-216-840-0 service manual Ref. No Location D741 D742 IC761 Q741 Q742 Q767

Contents

Specifications MDS-JE520MDM-5A SELF-DIAGNOSIS Function Items of Error History Mode Items and Contents Table of Contents DiagramsSection Servicing Notes Flexible Circuit Board Repairing Varning JIG for Checking BD Board Waveform IOP Record Precedure Checks Prior to Parts Replacement and Adjustments Criteria for Determination Measure if unsatisfactory Retry Cause Display Mode Precedure Hexadecimal nBinary Conversion Table Section General Section Disassembly CoverFront Panel Section Main Board Mechanism Deck Section MDM-5A Slider CAM Base Unit MBU-5A, BD Board SW BOARD, Loading Motor M103 Section Test Mode Precautions for USE of Test ModeSetting the Test Mode Exiting the Test Mode Selecting the Test Mode Display Contents Mark Group Operating the Continuous Playback Mode Non-Volatile Memory Mode EEP ModeMID OUT Test Mode Displays Functions of Other Buttons Meanings of Other Displays Section Electrical Adjustments Parts Replacement and Adjustment Precautions for Checking Laser Diode Emission Precautions for USE of Optical PICK-UP KMS-260APrecautions for Adjustments Laser power meter Temperature Compensation Offset Check Laser Power CheckCheck Prior to Repairs Traverse Check Play Checking MO Error Rate Check CD Error Rate CheckFocus Bias Check Self-Recording/playback Check Initial Setting of Adjustment Value Temperature Compensation Offset AdjustmentLaser Power Adjustment Recording and Displaying the IOP Information Traverse Adjustment Focus Bias Adjustment ING CONTINUOUSLY-RECORDED Disc Error Rate Check Auto Gain Control Output Level AdjustmentCD Auto Gain Control Output Level Adjustment MO Auto Gain Control Output Level Adjustment Adjustment Location Section Diagrams IC PIN Function Description MNT2 Xbusy XlatSrdt Sens Xras XWEAsyo Asyi FS4 SrdrSfdr Sprd Ader ByteCnvss RST STB ChackLdin LD-LOW Block Diagram MD Servo Section ∙ Signal PathPlay Analog OUT REC Analog REC Digital Block Diagram Main Section REC Analog Circuit Boards Location CND Semiconductor Location MDS-M100 Schematic Diagram BD Board 2/2 See 65 for Waveforms. See page 51 for IC Block Diagram Schematic Diagram SW Board Printed Wiring Board SW Board IC121 CXD2654R Main Board IC301 ΜDA1341TS/N2IC406 M62016L IC421 M5293L IC152 BH6511FS-E2 MDS-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 Section Exploded ViewsCover Section Chassis Section AEP, SP Mechanism Section MDM-5A 201 206 204 205209 4-988-466-11 Spring ELECTROSTATIC, Leaf 221 A-4680-409-A Holder Complete Assy Base Unit Section MBU-5A Section Electrical Parts List AC Select BD Short Switch IC/TRANSISTORCXA2523AR Transistor FMW1 Connector MainCeramic Inductor CarbonExcept US, CND Main Panel Panel SW Trans Sony Corporation