Sony MDS-PC3 Section Test Mode, Precautions for USE of Test Mode, Setting the Test Mode

Page 19

SECTION 4

TEST MODE

*Note:

As this unit has only a few buttons, one button is assigned with several functions in the test mode.”

Press the z button, AMS knob to switch the functions.

Each time the z button is pressed, the display switches in the follwing order, “PGM” t “blank” t “PGM” t –.

Rotate the

AMS

knob and the display switches in the following order, “blank” t “TOC” t “EDIT” t “TOC EDIT” t

 

[

]t [TOC ]t [ EDIT]t [TOC EDIT]t “blank” t –.

For simplicity, operations of

z

button will not be discribed here.

Example)

x/Z : Lights-out “PGM” and press the x/Z button.

x/Z “PGM” : Display “PGM” and press the x/Z button.

The functions of each button change with the display.

Bottons and Corresponding Functions

 

 

 

 

 

“PGM” Lights-out

 

 

 

 

 

 

 

 

 

“PGM”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Buttons

 

 

 

LCD displayed

 

 

 

 

 

 

 

 

displayed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Nothing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

displayed

TOC

EDIT

TOC EDIT

 

 

 

TOC

 

 

EDIT

 

 

TOC EDIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

@/1

@/1

ENTER

REPEAT

PLAY

CLEAR

 

FF

 

PLAY

 

 

DISPLAY

 

 

(YES)

 

 

MODE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MENU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

x/Z

EJECT

(EDIT)/

STOP

REC

 

FR

 

SCROLL

 

 

TIME

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-1. PRECAUTIONS FOR USE OF TEST MODE

As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc is stopped before setting and removing it.

4-1-1. Recording laser emission mode and operating buttons

Continuous recording mode (CREC 1MODE) (C35)

Laser power check mode (LDPWR CHECK) (C13)

Laser power adjustment mode (LDPWR ADJUS) (C04)

Iop check (Iop Compare) (C27)

Iop value nonvolatile writing (Iop NV Save) (C06)

Traverse (MO) check (EF MO CHECK) (C14)

Traverse (MO) adjustment (EF MO ADJUS) (C07)

When pressing the z button.

4-2. SETTING THE TEST MODE

The following are two methods of entering the test mode.

While pressing the AMS knob and x/Z button, connect the power plug to an outlet, and release the AMS knob and x/Z When the test mode is set, “[Check]” will be displayed. Rotating the AMS knob switches between the following three groups;

··· y Check y Service y Develop y ···.

NOTE: Do not use the test mode in the [Develop] group. If used, the unit may not operate normally.

If the [Develop] group is set accidentally, press the x/Z button immediately to exit the [Develop] group.

button.

4-3. EXITING THE TEST MODE

Press the x/Z button, remove the power plug to the outlet.

4-4. BASIC OPERATIONS OF THE TEST MODE

All operations are performed using the AMS knob, @/1 button, and

The functions of these buttons are as follows.

x/Z button.

 

Function name

Function

 

 

 

&/1 button

Cancel or move to top hierarchy

 

 

 

x/Z button

Set

 

 

 

 

AMS

 

Left or Right

Select

 

 

 

knob

 

Push u

Set submenu

 

 

 

 

 

 

19

Image 19
Contents MDS-PC3 SpecificationsTOC t Edit t TOC Edit t blank t SELF-DIAGNOSIS FunctionItems of Error History Mode Items and Contents Table of Error Codes Table of ContentsDisassembly DiagramsFlexible Circuit Board Repairing Section Service NotesLead free soldering JIG for Checking BD Board Waveform Record Precedure Forced Reset Checks Prior to Parts Replacement and AdjustmentsMain Board Component Side Bit Binary Retry Cause Display ModeHexadecimal t Binary Conversion Table General Section Remote Parts DescriptionUsing the Display Hooking Up MD Mechanism Deck MDM-7A Section DisassemblyOver Light Head HR901, BD MD Board Main BoardLoading Motor Assy M103 Holder AssyOptical PICK-UP MD KMS-260B/JIN Sled Motor Assy M102, SliderSpindle Motor Assy M101 Exiting the Test Mode Section Test ModePrecautions for USE of Test Mode Setting the Test ModeDisplay Details Mark Group Selecting the Test ModeOperating the Continuous Playback Mode Functions of Other Buttons Test Mode DisplaysMode display Error rate displayAutomatic SELF-DIAGNOSIS Function Meanings of Other DisplaysInformation Parts Replacement and Adjustment Section Electrical AdjustmentsCheck before replacement Adjustment flow Precautions for USE of Optical PICK- UP KMS-260B Precautions for Checking Laser Diode EmissionPrecautions for Adjustments Checks Prior to Repairs Using the Continuously Recorded DiscOther Checks Auto CheckCD Error Rate Check Play Check MO Error Rate CheckTemperature Compensation Offset Adjutment Initial Setting of Adjustment ValueLaser Power Adjustment Iop NV Save Traverse AdjustmentFocus Bias Adjustment MO Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment CD Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Diagrams MDS-PC3 Block Diagrams BD SectionSclk Cclk Main SectionSemiconductor Printed Wiring Board BD SectionPIN Function MDS-PC3 Printed Wiring Board Main Section PIN Functon MDS-PC3 Printed Wiring Board Panel Section Schematic Diagram Panel Section See page 35 for Waveforms IC101 CXA2523AR BD Board IC Block DiagramsLB1830M-S-TE-L Main Board BH3541F-E2 Main Board IC101 CXA2523AR RF Amplifier BD Board IC PIN FunctionsMNT0 FOK Mvci IC300 M30805SGP Main Board Shck MNT1 Chassis Section Section Exploded Views319 302 320 317 304 308 303 305 306 301 318 307 Mechanism MDM-7A351 MechanismRemarks Ref. No Description Section Electrical Parts ListMetal Chip Main PIN, Connector 2P Diode Main Panel KEY REFLECT/PROTECT SW MDS-PC3 Panel