Sony hcd-sd1 service manual Printed Wiring Board REG Section

Page 33

HCD-SD1

7-17. PRINTED WIRING BOARD – REG SECTION –

• See page 16 for Circuit Boards Location.

AC

OUTLET

MDS-SD1

ONLY

UNSWITCHED

200W MAX

NOT REPLACEABLE:

BUILT IN TRANSFORMER

(Page 32)

(Page 32)

(Page 42)

(Page 34)

• Semiconductor

Location

Ref. No.	Location

D921	A-4
D922	A-4
D941	A-4
D942	A-4
D943	A-4
D944	A-4
D945	B-2
D946	B-1
D952	B-1
IC921	B-3
IC922	B-3
Q941	B-2
Q942	C-2
Q943	C-2
Q951	A-1
Q952	B-1

– 49 –

– 50 –

Image 33

Contents HCD-SD1 SpecificationsSpecification Label Flexible Circuit Board RepairingDisassembly Table of ContentsDiagrams 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 Front Panel Location of Parts and Controls Section GeneralSection Disassembly Loading PanelGlass Assy Main Board and Tuner Unit Front PanelBack Panel CD Mechanism DeckOptical PICK-UP Disc TableSled Servo Mode Section Service ModeInitializing Forced Reset Checking the Sub-ClockSection Test Mode Aging ModeSequence of Aging Mode Focus Bias Adjustment Section Electrical AdjustmentsCD Section Curve CheckBalance 1 Track Jump Check Without remote commander Focus/Tracking Gain Adjustment RV102, RV103Adjustment Location Circuit Boards Location Section DiagramsHCD-SD1 Block Diagrams BD SectionDefb SW Mute Speaker Main SectionFor printed wiring boards For schematic diagramsWaveforms BD Section Indication of transistorSee page 22 for Waveforms See page 51 for IC Block Diagrams Schematic Diagram BD SectionSemiconductor Location Printed Wiring Board BD SectionSchematic Diagram Main 1/2 Section Schematic Diagram Main 2/2 Section Printed Wiring Board Main Section Printed Wiring Board SUB Section Schematic Diagram SUB SectionSchematic Diagram Panel Section Printed Wiring Board Panel Section Schematic Diagram AMP Section Semiconductor Printed Wiring Board AMP SectionSchematic Diagram Connector Section Loading Motor Schematic Diagram REG Section Printed Wiring Board REG Section BD section IC101 CXA1782BQ IC Block DiagramsIC102 BA6397FP IC103 CXD2507AQIC104 PCM1710U-R Main Section IC351 LB1641IC791 P82B715TD.118 IC701 System Control ∝PD780018AYGF-015-3BA Main Board IC PIN FunctionsLoad Front Panel Section Section Exploded Views6465UK,HK Chassis Section217 Mechanism Deck Section CDM13B-5BD19254 252 251 256 257 258 Base Unit Section BU-5BD19Resistors AMP Section Electrical Parts ListCHEMI-CON ConnectorS292 CHEMI-CON Connector LoadingMain SOCKET, Connector NON-ZIF11P Main Panel Panel PANEL-SW REG REG SUB-TRANS Trans Miscellaneous HCD-SD1 Trans Volume