Sony Singapore model, Hong Kong model, 4-216-349-5 service manual Selecting the Test Mode, Group

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4-5. SELECTING THE TEST MODE

There are 24 types of test modes as shown below. The groups can be switched by rotating the AMS knob. After selecting the group to be used, press the YES button. After setting a certain group, rotating the AMS knob switches between these modes.

Refer to “Group” in the table for details selected.

All items used for servicing can be treated using group S. So be carefully not to enter other groups by mistake.

Display	Contents	Mark			Group (*)

TEMP CHECK	Temperature compensation offset check			C		S

LDPWR CHECK	Laser power check			C		S

EF MO CHECK	Traverse (MO) check			C		S

EF CD CHECK	Traverse (CD) check			C		S

FBIAS CHECK	Focus bias check			C		S

S curve CHECK	S letter check	(X)		C

VERIFY MODE	Non-volatile memory check	(X)		C

DETRK CHECK	Detrack check	(X)		C

TEMP ADJUST	Temperature compensation offset adjustment				A	S

LDPWR ADJUST	Laser power adjustment				A	S

EF MO ADJUST	Traverse (MO) adjustment				A	S

EF CD ADJUST	Traverse (CD) adjustment				A	S

FBIAS ADJUST	Focus bias adjustment				A	S

EEP MODE	Non-volatile memory control	(X) (!)					D

Impossible	No function	(X)					D

ERR DP MODE	Error history display, clear					S

ADJ CLEAR	Initialization of non-volatile memory of adjustment value				A	S

AG Set (MO)	Auto gain output level adjustment (MO)				A	S

AG Set (CD)	Auto gain output level adjustment (CD)				A	S

Iop Read	IOP data display			C		S

Iop Write	IOP data write				A	S

S40 @@.@@	Microprocessing version display			C		S

CPLAY MODE	Continuous play mode			C	A	S	D

CREC MODE	Continuous recording mode			C	A	S	D

		Group (*)
		C: Check			A: Adjust
		S: Service			D: Develop

• For details of each adjustment mode, refer to “5. Electrical Adjustments”.

For details of “ERR DP MODE”, refer to “Self-Diagnosis Function” on page 2.

•If a different mode has been selected by mistake, press the MENU/NO button to exit that mode.

•Modes with (X) in the Mark column are not used for servicing and therefore are not described in detail. If these modes are set accidentally, press the MENU/NO button to exit the mode immediately. Be especially careful not to set the modes with (!) as they will overwrite the non-volatile memory and reset it, and as a result, the unit will not operate normally.

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Contents MDS-JE330 SpecificationsSELF-DIAGNOSIS Function Items of Error History Mode Items and Contents Varnig Flexible Circuit Board RepairingExploded Views Table of ContentsDisassembly DiagramsTEO Section Servicing NoteJIG for Checking BD Board Waveform IOPRecord Precedure REC/PLAY Checks Prior to Parts Replacement and AdjustmentsForced Reset Criteria for Determination Measure if unsatisfactoryBit Binary Retry Cause Display ModeBit When Binary Higher Bits Lower Bits Hexa DetailsHexadecimal Binary Section General Location of Parts and ControlsFront Panel Section Disassembly Case and Front Panel Slider CAM SW Board and Loading Motor M103 Base Unit MBU-5A and BD BoardExiting the Test Mode Section Test ModePrecautions for USE of Test Mode Setting the Test ModeGroup Selecting the Test ModeOUT Operating the Continuous Playback ModeNon-Volatile Memory Mode EEP Mode MIDFunctions of Other Buttons Test Mode DisplaysMeanings of Other Displays Parts Replacement and Adjustment Section Electrical AdjustmentsCreating Continuously Recorded Disc Precautions for Checking Laser Diode EmissinonPrecautions for USE of Optical PICK- UP KMS-260A Precautions for AdjustmentsSpecified Value Temperature Compensation Offset CheckLaser Power Check Checks Prior to RepairsSelf-Recording/playback Check Play Checking MO Error Rate CheckCD Error Rate Check Focus Bias CheckRecording and Displaying the IOP Information Initial Setting of Adjustment ValueTemperature Compensation Offset Adjutment Laser Power AdjustmentTraverse Adjustment Focus 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 Circuit Boards Location Section DiagramsMDS-JE330 Block Diagrams BD SectionLD-LOVO Main SectionDisplay Section For schematic diagramsFor printed wiring boards WaveformsSemiconductor Location Printed Wiring Board BD SectionSchematic 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 Printed Wiring Board Panel Section Schematic Diagram Panel Section Schematic Diagram BD Switch Section IC Block Diagrams Printed Wiring Board BD Switch SectionBD Section IC101 IC152 BH6511FS-E2 IC121 CXD2654RMain section IC301 UDA1341TS/N2 IC381 M5218AL IC441 LB1641IC406 M62016L IC PIN Functions IC101 RF Amplifier CXA2523AR BD boardPin No Pin Name Function MNT3 Sloc MNT0 FOKMNT1 Shck MNT2 XbusyAvdd MvciAsyo AsyiFS4 TfdrFfdr FrdrIC501 System Control M30620MC-400FP Main board SDA OPT DEL OPT SEL Mode SELPB-P REC/PBCase and Back Panel Section Section Exploded Views6162 Front Panel Section225 226 206 205 Mechanism Section MDM-5A251 252 Base Unit Section MBU-5AResistors Section Electrical Parts ListDisplay Display KEY SW Main PIN, Connector 7P Inductor Vibrator MDS-JE330 Main SW VOL SEL