MD Mechanism Deck MDM-7B4M, MD Digital Board | Sony HCD-C5 instruction

3-18. MD MECHANISM DECK (MDM-7B4M), MD DIGITAL BOARD

7 two screws (+BVTT 3 x 5)

4 shield (MD2)

8 MD DIGITAL board

2 two screws

(+BVTT 3 x 5)

1 four screws (+BVTT 3 x 5)

3 ground
wire	9 shield (MD1)

Slant the shield (MD1), shield (MD2) and the MD DIGITAL board in the direction of the arrow and remove the two 2 screws (+BVTT 3 x 5).

qa four insulators

qs screw (+BTN 1.7 x 3)

qd ground wire

3-19. HOLDER ASSY

3 holder assy

1tension spring (holder)

2 hook

HCD-C5

q; four screws, step

5wire (flat type)

(17 core) (CN703)

6wire (flat type)

(27 core) (CN702)

qf MD mechanism deck (MDM-7B4M)

21

Image 21

Sony HCD-C5 service manual MD Mechanism Deck MDM-7B4M, MD Digital Board, Holder Assy

Contents

TT Base Assy SpecificationsOPTIMA-720L1E MDM-7B4M SELF-DIAGNOSIS Function HCD-C5 Electrical Adjustments Table of ContentsDiagrams Exploded Views Electrical Parts List HCD-C5 Section Servicing Note Flexible Circuit Board Repairing Service Position of the MD Mechanism Deck Service Position of the CD Mechanism Deck IOP JIG for Checking BD MD Board Waveform Parts Identification Section General Parts Identification Remote control SET Bottom PLATE, Case HCD-C5 Section Disassembly Panel Board Bottom PLATE, Case CN1 CD Mechanism Deck TN-CCD1001Z, BD CD Board Connector Board Front Bracket SECTION, Loading Motor Assy M902 SW Board Rear Damper Bracket Feed Motor Assy M903 Optical PICK-UP OPTIMA-720L1E Base Section Jack BOARD, HP BOARD, Rear Cover Spindle Motor Assy M904 Tuner PACK, D. C. FAN M901 Ucom BOARD, AMP Power Board Connector CN105 Audio BOARD, Power BOARD, Power Transformer T900 Holder Assy MD Mechanism Deck MDM-7B4M, MD Digital Board Loading Motor M703, Spindle Motor M701, Sled Motor M702 BD MD Board OP-SUB Section Over Write Head HCD-C5 Section Test Mode Setting the Test Mode Precautions for USE of Test ModeReleasing the Test Mode MD Seciton Basic Operations of the Test Mode Selecting the Test ModeENTER/YES R Operating the Continuous Playback Mode Functions of Other Buttons Automatic SELF-DIAGNOSIS FunctionInformation When Memory NG is Displayed Record ProcedureDisplay Precedure Retry Cause Display Mode in MD Checks Prior to Parts Replacement and Adjustments in MDCriteria for Determination Measure if unsatisfactory Precedure Reading the Retry Cause Display Reading the DisplayExample Details Bit When Binary Section Electrical Adjustments HCD-C5 CD SectionRF Level Check Parts Replacement and Adjustment Check before replacementMD Section YES Adjustment flow Precautions for USE of Optical PICK-UP KMS-260B/260E Precautions for Checking Laser Diode EmissionPrecautions for Adjustments Laser power meter Temperature Compensation Offset Check Using the Continuously Recorded DiscLaser Power Check Checks Prior to Repairs Auto Check Other ChecksTraverse Check Focus Bias Check Play CheckSelf-Recording/playback Check Temperature Compensation Offset Adjustment Initial Setting of Adjustment ValueLaser Power Adjustment Recording and Displaying the IOP Information Traverse Adjustment Method of identifying the optical pick-up KMS-260B/260EIop NV Save Read power traverse adjustment Error Rate Check Focus Bias AdjustmentCD Error Rate Check MO Error Rate Check CD Auto Gain Control Output Level Adjustment Auto Gain Control Output Level AdjustmentMO Auto Gain Control Output Level Adjustment Adjustment and checking Loacation Circuit Boards Location Section Diagrams HCD-C5Waveforms AUS OPTIMA-720L1E Block Diagram CD Servo Section APC Block Diagram MD Servo Section Tape MD-L Block Diagram Main Section Semiconductor Location IC B/D Location Side B Location Side a IC B/D 153 IC201 10K 1/16W Semiconductor Location Printed Wiring Board Ucom Board Digital Optical Input Speaker IC302 D301 1SS355TE IC602 HCD-C5 IC901 Schematic Diagram Power Section IC Block Diagrams IC101 CXD3068Q BD CD Board IC103 CXA2581N-T4 BD CD BoardIC102 BA5982FP-E2 BD CD Board IC141 BH6519FS-E2 BD MD Board IC201 ∝ DA1360TS MD Digital Board Rtcb Vddd PREEM0 NC NC TEST2 Selstatic TEST1 Reset Bcko Vddd CVssd Vssd C L3DATA IC601 M66004M8FP-200D Panel Board IC101 IC PIN Function Description Sens SrdtXrst Sqsy Asyi AsyoAvdd Bias Spfd TEST1TEST2 TEST3 Dvss IC701 DA-RESET ResetPLAY-SW REC-SW IC501 Help SPK-RELAYBvdd Bvss Overall Section Section Exploded Views Front Panel Section 102 104 111 103 112 114 105 101 106 107 108 Chassis110 113 156 157 151 158 155 154152 155 A-4725-732-A MD Digital BOARD, Complete CD Mechanism Deck Section TN-CCD1001Z CD Mechanism Deck Secti Front Bracket Section TN-CCD1001Z CD Mechanism Deck Section Base Section TN-CCD1001Z CD Mechanism Deck Section Chassis Section TN-CCD1001Z MD Mechanism Deck MDM-7B4M 760 762 763 764 759 761758 761 757 756 751 753754 755 752 AMP Audio Section Electrical Parts List BD CD Audio HCD-C5 HCD-C5 BD CD CONNECTOR, FFC 29PDiode UDZ-TE-17-3.9B Ferrite Bead Ferrite BD CD HCD-C5 BD MD HCD-C5 BD MD MD Digital BD MD Connector Jack HCD-C5 Ferrite Bead / Conductor HCD-C5 MD Digital PanelFerrite 0UH Inductor Panel Power Power Ucom CONNECTOR, Round Type 6P CONNECTOR, FFC 16PConnector DIN 8P PIN, Connector 4P Diode R225 216-841-11 Switch Detection Limit Wire Flat Type 19 CoreTRANSFORMER, Power AEP,UK,AUS Hardware List HCD-C5 Revision History