Sony hcd-sd1 service manual IC104 PCM1710U-R, Main Section IC351 LB1641, IC791 P82B715TD.118

Page 35

IC104 PCM1710U-R

LRCIN 1

DIN 2

BCKIN 3

CLKO 4

XTI 5

XTO 6

DGND 7

VDD 8

INPUT

INTERFACE

DIGITAL

MODE

FILTER

CONTROL

TIMING

CONTROL

NOISE

SHAPER

28ML/DSD

27MC/DM2

26MD/DM1

25MUTE

24MODE

23CKSL

22DGND

21VDD

VCC2R 9

GND2R 10

EXT1R 11

EXT2R 12

VOUTR 13

GND1 14

5-LEVEL DAC

RIGHT

LOW-PASS FILTER

RIGHT

3-STAGE AMP

RIGHT

5-LEVEL DAC

LEFT

LOW-PASS FILTER

LEFT

3-STAGE AMP

LEFT

20VCC2L

19GND2L

18EXT1L

17EXT2L

16VOUTL

15VCC1

– MAIN Section –

IC351

LB1641

T.S.D

O.C.P

MOTOR

MOTOR

DRIVE

DRIVE

FWD/REV/STOP

CONTROL LOGIC

1

2

3

4

5

6

7

8

9

10

GND

MOTOR DRIVE

NOISE

FILTER

CLAMP

FWD.IN

REV.IN

VCC 1

VCC 2

NOISE FILTER

MOTOR

DRIVE

IC791

P82B715TD.118

VCC

NC

NC

8

1

5

SDA

6

BUFFER

7

LDA

SCL

3

BUFFER

2

LCL

4

GND

– 53 –

Image 35

Contents HCD-SD1 SpecificationsSpecification Label Flexible Circuit Board RepairingExploded Views Table of ContentsDisassembly DiagramsSection Servicing Note Opening the Disc Tray When Power is OFFAttaching the Glass Assembly Move the SUB-TRANS board and Connector board Position for Servicing the CD Mechanism Deck Front Panel Location of Parts and Controls Section GeneralGlass Assy Section DisassemblyLoading Panel Main Board and Tuner Unit Front PanelBack Panel CD Mechanism DeckOptical PICK-UP Disc TableChecking the Sub-Clock Section Service ModeSled Servo Mode Initializing Forced ResetSequence of Aging Mode Section Test ModeAging Mode Curve Check Section Electrical AdjustmentsFocus Bias Adjustment CD SectionAdjustment Location Balance 1 Track Jump Check Without remote commanderFocus/Tracking Gain Adjustment RV102, RV103 Circuit Boards Location Section DiagramsHCD-SD1 Block Diagrams BD SectionDefb SW Mute Speaker Main SectionIndication of transistor For schematic diagramsFor printed wiring boards Waveforms BD SectionSee 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 IC103 CXD2507AQ IC Block DiagramsBD section IC101 CXA1782BQ IC102 BA6397FPIC791 P82B715TD.118 IC104 PCM1710U-RMain Section IC351 LB1641 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