Sony hcd-sd1 service manual Position for Servicing the CD Mechanism Deck

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POSITION FOR SERVICING THE CD MECHANISM DECK

1Remove the four screws securing the upper cover, and remove the upper cover.

2Remove the loading panel. (Refer to SECTION 3 DISASSEM- BLY.)

3Remove the four screws Asecuring the MAIN board, five screws

Bof the rear panel, and flat cables (CN701, CN702), and re- move the MAIN board.

4 Remove the two screws D securing the SUB-TRANS board,	D
and remove the SUB-TRANS board.
5 Remove the two screws F securing the REG board.

6Remove the three screws G securing the CDM cover, and re- move the CDM cover.

7Remove the two screws H securing the CDM, move the CDM backwards by about 5 mm horizontally, and then lift upwards.

8Rotate the CDM in the counterclockwise direction by about 30˚

to remove.

9Return the MAIN and SUB-TRANS boards to their original positions.

F

G

SUB-TRANS board

B

B

MAIN board

CDM cover

Flat type wire (CN701) A

A

Flat type wire (CN702)

H

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Contents Specifications HCD-SD1Flexible Circuit Board Repairing Specification LabelDiagrams Table of ContentsDisassembly Exploded ViewsOpening the Disc Tray When Power is OFF Attaching the Glass AssemblySection Servicing Note Move the SUB-TRANS board and Connector board Position for Servicing the CD Mechanism Deck Section General Front Panel Location of Parts and ControlsSection Disassembly Loading PanelGlass Assy Front Panel Main Board and Tuner UnitCD Mechanism Deck Back PanelDisc Table Optical PICK-UPInitializing Forced Reset Section Service ModeSled Servo Mode Checking the Sub-ClockSection Test Mode Aging ModeSequence of Aging Mode CD Section Section Electrical AdjustmentsFocus Bias Adjustment Curve CheckBalance 1 Track Jump Check Without remote commander Focus/Tracking Gain Adjustment RV102, RV103Adjustment Location Section Diagrams Circuit Boards LocationBlock Diagrams BD Section HCD-SD1Main Section Defb SW Mute SpeakerWaveforms BD Section For schematic diagramsFor printed wiring boards Indication of transistorSchematic Diagram BD Section See page 22 for Waveforms See page 51 for IC Block DiagramsPrinted Wiring Board BD Section Semiconductor LocationSchematic Diagram Main 1/2 Section Schematic Diagram Main 2/2 Section Printed Wiring Board Main Section Schematic Diagram SUB Section Printed Wiring Board SUB SectionSchematic Diagram Panel Section Printed Wiring Board Panel Section Schematic Diagram AMP Section Printed Wiring Board AMP Section SemiconductorSchematic Diagram Connector Section Loading Motor Schematic Diagram REG Section Printed Wiring Board REG Section IC102 BA6397FP IC Block DiagramsBD section IC101 CXA1782BQ IC103 CXD2507AQIC104 PCM1710U-R Main Section IC351 LB1641IC791 P82B715TD.118 IC PIN Functions IC701 System Control ∝PD780018AYGF-015-3BA Main BoardLoad Section Exploded Views Front Panel SectionChassis Section 6465UK,HKMechanism Deck Section CDM13B-5BD19 217Base Unit Section BU-5BD19 254 252 251 256 257 258AMP Section Electrical Parts List ResistorsConnector CHEMI-CONCHEMI-CON Connector Loading S292Main SOCKET, Connector NON-ZIF11P Main Panel Panel PANEL-SW REG REG SUB-TRANS Trans HCD-SD1 Trans Volume Miscellaneous