Sony HCD-C5 service manual Block Diagram CD Servo Section, OPTIMA-720L1E

Page 46

HCD-C5

6-2. BLOCK DIAGRAM – CD SERVO SECTION –

• Signal Path

: CD (DIGITAL)

:DIGITAL IN (OPTICAL)

IC221

IC222

SELECTOR

DIGITAL

DIGITAL

5

OPTICAL

OPTICAL

6

+5V

INPUT

IN

4

1

3

9

DIN, OPTO

MD

8

A

Q102

2

10

SERVO

SWITCH

SECTION

13

(Page 47)

OPTICAL PICK-UP

IC101

11

BLOCK

12

IC103

DIGITAL SERVO,

OPTIMA-720L1E

DIGITAL SIGNAL PROCESSOR

OPTO

RF AMP

9 1/2VCC

27

VC

RFC

26

8

VCC

+5V

25

VFC

D OUT 64

VA

4

7

B

RFAC

15

50

RFAC

VB

6

6

A

RFDCO

28

43

RFDC

VC

2

8

C

FE

16

39

FE

IC501(1/2)

9

D

MASTER CONTROL

VE

TE

18

41

TE

3

10

E

40

SE

VF

7

11

F

CTRL1(1-2)

Q101

XTSL

69

18

CTRL1

10

LD

LD

1

LD

SW

12

DATA

DRIVE

VCC

DATA

4

7

CXD-DATA

CLK

CLOK

6

8

CXD-CLK

GND

FEI

17

XLT

5

RV101

19

XLAT

5

11

CXD-XLT

TE_BAL

RFDCI

29

SQSO

76

SQSO

15 SUBQ

MD

26

SSTP

1

2

PD

SENS

VR

SENS

7

14 SENSE

S5

SCLK

IC102

SCLK

8

17

SCLK

LIMIT

MOTOR/COIL DRIVER

IN

SQCK 77

SCOR

F+

14

VO1(+)

OPIN1(+)

2

SWITCH

FFDR

SCOR

15

95

SCOR

FOCUS

33

XRST

XRST

2

29

BDRST

COIL

F-

13

VO1(-)

OPIN1(-)

3

34

FRDR

XTAI 71

TR+

12

VO2(+)

OPIN2(+)

5

31

TFDR

X201

S1 (Disc IN/8cm Disc Detect)

TRACKING

XTAO 72

33.8688MHz

30

SW1

COIL

TR-

11

VO2(-)

OPIN(2-)

6

32

TRDR

S2 (12cm Disc/12cm Disc Eject End Detect)

SW2

31

M903

SD+

15

VO4(+)

OPIN4(+)

27

29

SFDR

S3 (Disc Existence, Chacking, Releasing Detect)

M

SW3

FEED

32

IC1102

MOTOR

SD-

16

VO4(-)

OPIN4(-)

26

30 SRDR

LOADING MOTOR DRIVER

S4 (8cm Disc Eject End Detect)

SW4

SP+

18 VO3(-)

OPIN3(-)

23

25

MDP

33

LODPOS

27

7

FIN

OUT1

4

M904

M

M

SPINDLE

LODNEG 26

9

OUT2

2

MOTOR

SP-

17

VO3(+)

LDON

RIN

13

LDON

PWM1

12

PWM1

PWM2

19

PWM2

Q103,D101

PWM3

20

PWM3

+3.3V

+3.3V

REG

M902

(LOADING)

+5V

46 46

Image 46

Contents OPTIMA-720L1E SpecificationsTT Base Assy MDM-7B4MHCD-C5 SELF-DIAGNOSIS FunctionDiagrams Table of ContentsElectrical Adjustments Exploded Views Electrical Parts ListFlexible Circuit Board Repairing HCD-C5 Section Servicing NoteService Position of the CD Mechanism Deck Service Position of the MD Mechanism DeckJIG for Checking BD MD Board Waveform IOPSection General Parts IdentificationRemote control Parts IdentificationHCD-C5 Section Disassembly SET Bottom PLATE, CaseBottom PLATE, Case Panel BoardCD Mechanism Deck TN-CCD1001Z, BD CD Board CN1Connector Board Front Bracket SECTION, Loading Motor Assy M902 SW Board Feed Motor Assy M903 Rear Damper BracketOptical PICK-UP OPTIMA-720L1E Base Section Spindle Motor Assy M904 Jack BOARD, HP BOARD, Rear CoverUcom BOARD, AMP Power Board Tuner PACK, D. C. FAN M901Audio BOARD, Power BOARD, Power Transformer T900 Connector CN105MD Mechanism Deck MDM-7B4M, MD Digital Board Holder AssyBD MD Board Loading Motor M703, Spindle Motor M701, Sled Motor M702Over Write Head OP-SUB SectionHCD-C5 Section Test Mode Releasing the Test Mode Precautions for USE of Test ModeSetting the Test Mode MD SecitonSelecting the Test Mode Basic Operations of the Test ModeENTER/YES R Operating the Continuous Playback Mode Automatic SELF-DIAGNOSIS Function Functions of Other ButtonsInformation Record Procedure When Memory NG is DisplayedDisplay Precedure Criteria for Determination Measure if unsatisfactory Checks Prior to Parts Replacement and Adjustments in MDRetry Cause Display Mode in MD PrecedureReading the Display Reading the Retry Cause DisplayExample Bit When Binary DetailsCD Section Section Electrical Adjustments HCD-C5RF Level Check Check before replacement Parts Replacement and AdjustmentMD Section Adjustment flow YESPrecautions for Adjustments Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK-UP KMS-260B/260E Laser power meterLaser Power Check Using the Continuously Recorded DiscTemperature Compensation Offset Check Checks Prior to RepairsOther Checks Auto CheckTraverse Check Play Check Focus Bias CheckSelf-Recording/playback Check Laser Power Adjustment Initial Setting of Adjustment ValueTemperature Compensation Offset Adjustment Recording and Displaying the IOP InformationMethod of identifying the optical pick-up KMS-260B/260E Traverse AdjustmentIop NV Save Read power traverse adjustment CD Error Rate Check Focus Bias Adjustment Error Rate Check MO Error Rate CheckMO Auto Gain Control Output Level Adjustment Auto Gain Control Output Level AdjustmentCD Auto Gain Control Output Level Adjustment Adjustment and checking LoacationWaveforms Section Diagrams HCD-C5Circuit Boards Location AUSBlock Diagram CD Servo Section OPTIMA-720L1EBlock Diagram MD Servo Section APCBlock Diagram Main Section Tape MD-LLocation SemiconductorIC B/D Location Side a Location Side BIC B/D 153 IC201 10K 1/16W Printed Wiring Board Ucom Board Semiconductor LocationDigital Optical Input Speaker IC302 D301 1SS355TE IC602 HCD-C5 IC901 Schematic Diagram Power Section IC101 CXD3068Q BD CD Board IC103 CXA2581N-T4 BD CD Board IC Block DiagramsIC102 BA5982FP-E2 BD CD Board IC201 ∝ DA1360TS MD Digital Board IC141 BH6519FS-E2 BD MD BoardVssd Selstatic TEST1 Reset Bcko Vddd CRtcb Vddd PREEM0 NC NC TEST2 Vssd C L3DATAIC601 M66004M8FP-200D Panel Board IC PIN Function Description IC101Xrst SrdtSens SqsyAvdd AsyoAsyi BiasTEST1 SpfdTEST2 TEST3 Dvss IC701 PLAY-SW ResetDA-RESET REC-SWIC501 Bvdd SPK-RELAYHelp BvssSection Exploded Views Overall SectionFront Panel Section 110 Chassis102 104 111 103 112 114 105 101 106 107 108 113152 155 154156 157 151 158 155 A-4725-732-A MD Digital BOARD, CompleteCD 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 758 761 757 756 751 761760 762 763 764 759 753754 755 752AMP Audio Section Electrical Parts List Audio HCD-C5 BD CDDiode UDZ-TE-17-3.9B Ferrite Bead CONNECTOR, FFC 29PHCD-C5 BD CD FerriteBD CD HCD-C5 BD MD HCD-C5 BD MD BD MD Connector Jack HCD-C5 MD DigitalFerrite 0UH HCD-C5 MD Digital PanelFerrite Bead / Conductor InductorPanel Power Power Ucom Connector DIN 8P CONNECTOR, FFC 16PCONNECTOR, Round Type 6P PIN, Connector 4P DiodeR225 216-841-11 TRANSFORMER, Power AEP,UK,AUS Wire Flat Type 19 CoreSwitch Detection Limit Hardware ListHCD-C5 Revision History