Sony MDS-SD1 service manual Test Mode Displays

Page 22

4-7. TEST MODE DISPLAYS

Each time the DISPLAY button is pressed, the display changes in the following order.

1. Mode display

Displays “TEMP ADJUST”, “CPLAYMODE”, etc.

2. Error rate display

Displays the error rate in the following way.

C1 = AD =

C1 = Indicates the C1 error.

AD = Indicates ADER.

3. Address display

The address is displayed as follows. (MO:recordable disc, CD:playback only disc) Pressing the CLEAR button switches between the group display and bit display.

h = s = (MO pit and CD)

h = a = (MO groove) h = Indicates the header address.

s = Indicates the SUBQ address. a = Indicates the ADIP address.

Note: “–” is displayed when servo is not imposed.

4.Auto gain display (Not used in servicing)

The auto gain is displayed as follows.

AG = / []

5.Detrack check display (Not used in servicing)

The detrack is displayed as follows. ADR =

Mode display

Error rate display

Address display

Auto gain display (Not used in servicing)

Detrack check display (Not used in servicing)

IVR display (Not used in servicing)

6.IVR display (Not used in servicing)

The IVR is displayed as follows.

[

][

][]

MEANINGS OF OTHER DISPLAYS

Display

¢

P

SYNC

LEVEL-SYNC

OVER

REPEAT

1

TRACK

DISC

DATE

MONO

	Contents

When Lit		When Off
During continuous playback (CLV: ON)		STOP (CLV: OFF)
Tracking servo OFF		Tracking servo ON
CLV low speed mode		CLV normal mode
ABCD adjustment completed
Tracking offset cancel ON		Tracking offset cancel OFF
Tracking auto gain OK
Focus auto gain OK
Pit		Groove
High reflection		Low reflection
CLV-S		CLV-A
CLV LOCK		CLV UNLOCK

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Image 22

Contents MDM-5A SpecificationsMDS-JE520 MBU-5ASELF-DIAGNOSIS Function Items of Error History Mode Items and Contents Specification Label Flexible Circuit Board RepairingParts No Diagrams Table of ContentsDisassembly Exploded ViewsSection Servicing Note JIG for Checking BD Board WaveformRecord Precedure Checks Prior to Parts Replacement and Adjustments Criteria for Determination Measure if unsatisfactoryForced Reset Main Board Component SideCleaning of Objective Lens of Optical Pickup Fluorescent Indicator Tube and Mechanism DeckAttaching the Glass Assembly Fluorescent Indicator TUBE, LED Complete Lighting CheckServicing Position Cause of Retry Occurring conditions Retry Cause Display ModeHigher Bits Lower Bits Hexa BinaryHigher Bits Lower Bits Hexa Details Bit When BinaryHexadecimal Binary Section General Front Panel Location of Parts and ControlsGlass Assy Section DisassemblyFront Panel Slider CAM Base Unit and BD BoardSW Board and Loading Motor M103 Setting the Test Mode Section Test ModePrecautions for USE of Test Mode Exiting the Test ModeSelecting the Test Mode GroupNon-Volatile Memory Mode EEP Mode Operating the Continuous Playback ModeFunctions of Other Buttons Test Mode Displays Section Electrical Adjustments Parts Replacement and AdjustmentPrecautions for Adjustments Precautions for Checking Laser Diode EmissinonPrecautions for USE of Optical PICK- UP KMS-260A Creating Continuously Recorded DiscChecks Prior to Repairs Temperature Compensation Offset CheckLaser Power Check Specified ValueFocus Bias Check Play Checking MO Error Rate CheckCD Error Rate Check Self-Recording/playback CheckLaser Power Adjustment Initial Setting of Adjustment ValueTemperature Compensation Offset Adjutment Recording and Displaying the IOP InformationTraverse Adjustment Focus Bias Adjustment CD Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Section Diagrams Circuit Boards LocationPB Digital out Block Diagrams BD SectionMDS-SD1 REC DigitalPBDigital out Main SectionRECDigital Waveforms For schematic diagramsFor printed wiring boards Display SectionPrinted Wiring Board BD Section Semiconductor LocationSchematic Diagram BD 1/2 Section Schematic Diagram BD 2/2 Section Schematic Diagram Main 1/2 Section Schematic Diagram Main 2/2 Section Printed Wiring Board Main Section Schematic Diagram Panel Section Printed Wiring Board Panel Section Schematic Diagram Connector Section Printed Wiring Board Connector Section System Control To HCD-SD1MDS-SD1 IC Block Diagrams BD Section IC101Main Section IC201 UDA1341TS/N2 IC152 BH6511FS-E2IC301 LB1641 IC822 M62016FP-E1 Connector Section IC774 P82B715TD.118IC851 M5293L IC101 CXA2523AR RF Amplifier BD Board IC PIN FunctionsPin No Pin Name Function IC701 M30610MC-A01FP System Control ∝CON Main Board CHAK-IN Section Exploded Views Case and Back Panel SectionPanel SW Board FL901 1-517-804-11 Indicator TUBE, FluorescentFront Panel Section 67 A-4724-619-A Panel BOARD, CompleteInsulator F Mechanism Deck Section MDM-5A209 4-988-466-21 Spring ELECTROSTATIC, Leaf HEAD, Over Light Base Unit Section MBU-5AMotor ASSY, Sled Section Electrical Parts List Connector Connector Encoder Main Main FILTER, Line InductorLine Filter FeritePanel Panel SW MANUAL, Instruction CHINESESP,HK Hardware List Accessories & Packing Materials FILTER, Clamp Ferrite CoreMANUAL, Instruction English Screw +BSony Corporation