Sony NEW, MDM-7A Meanings of Other Displays, Automatic SELF-DIAGNOSIS Function, Information

Page 19

4-8. MEANINGS OF OTHER DISPLAYS

Display

 

Contents

 

 

 

When Lit

 

When Off

 

 

 

 

 

 

G

Servo ON

 

Servo OFF

 

 

 

 

X

Tracking servo OFF

 

Tracking servo ON

 

 

 

 

REC

Recording mode ON

 

Recording mode OFF

 

 

 

 

SYNC

CLV low speed mode

 

CLV normal mode

 

 

 

 

L.SYNC

ABCD adjustment completed

 

 

 

 

 

 

OVER

Tracking offset cancel ON

 

Tracking offset cancel OFF

 

 

 

 

B/1

Tracking auto gain OK

 

 

 

 

 

 

A-/REP

Focus auto gain OK

 

 

 

 

 

 

TRACK/(LP) 4/Calendar frame

Pit

 

Groove

 

 

 

 

DISC/LP2

High reflection

 

Low reflection

 

 

 

 

SLEEP/SHUF

CLV S

 

CLV A

 

 

 

 

MONO

CLV LOCK

 

CLV UNLOCK

 

 

 

 

4-9. AUTOMATIC SELF-DIAGNOSIS FUNCTION

This test mode performs CREC and CPLAY automatically for mainly checking the characteristics of the optical pick-up. To perform this test mode, the laser power must first be checked.

Perform AUTO CHECK after the laser power check and Iop check.

Procedure

1.Press the YES button. If “LDPWR ” is displayed, it means that the laser power check has not been performed. In this case, perform the laser power check and Iop compare, and then repeat from step 1.

2.If a disc is in the mechanical deck, it will be ejected forcibly.

“DISC IN” will be displayed in this case. Load a test disc (MDW-74/GA-1) which can be recorded.

3.If a disk is loaded at step 2, the check will start automatically.

4.When “XX CHECK” is displayed, the item corresponding to XX will be performed.

When “06 CHECK” completes, the disc loaded at step 2 will be ejected. “DISC IN” will be displayed. Load the check disc (MD) TDYS-1.

5.When the disc is loaded in step 4, the check will automatically be resumed from “07 CHECK”.

6.After completing to test item 12, check OK or NG will be displayed. If all items are OK, “CHECK ALL OK” will be displayed. If any item is NG, it will be displayed as “NG:xxxx”.

When “CHECK ALL OK” is displayed, it means that the optical pick-up is normal. Check the operations of the other spindle motor, thread motor, etc.

When displayed as “NG:xxxx”, it means that the optical pick-up is faulty. In this case, replace the optical pick-up.

4-10. INFORMATION

Display the software version.

Procedure

1.If displayed as “INFORMATION”, press the YES button.

2.The software version will be displayed.

3.Press the MENW/NO button to end this mode.

4-11. WHEN MEMORY NG IS DISPLAYED

If the nonvolatile memory data is abnormal, “E001”/”MEMORY NG” will be displayed so that the MD deck does not continue operations. In this case, set the test mode promptly and perform the following procedure.

Procedure

1.Set the test mode. (Refer to 4-2.)

2.Normally a message for selecting the test mode will be displayed. However if the nonvolatile memory is abnormal, the following will be displayed. “INIT EEP?”

3.Press the STOP button and EJECT button together.

4.Rotate the AMS knob and select MDM-7A.

5.Press the AMS knob. If the nonvolatile memory is successfully overwritten, the normal test mode will be set and a message to select the test mode will be displayed.

19

Page 18 Page 20
Image 19
Page 18 Page 20
Contents Inputs SpecificationsOutputs General Where purchased Power requirementsSupplied accessories SELF-DIAGNOSIS FunctionItems of Error History Mode Items and Contents Exploded Views Table of ContentsDisassembly DiagramsLeakage Section Service NotesSafety CHECK-OUT Flexible Circuit Board RepairingIOP JIG for Checking BD Board WaveformRecord Precedure Forced Reset Checks Prior to Parts Replacement and AdjustmentsMain Board Component Side Bit Binary Retry Cause Display ModeHigher Bits Lower Bits Hexa Details Bit When BinaryHexadecimal Binary Section General Front Panel Section Section DisassemblyPT BOARD, VOL-SEL Board Main BoardBD Board Mechanism Deck Section MDM-7AExiting the Test Mode Section Test ModePrecautions for USE of Test Mode Setting the Test ModeDisplay Details Mark Group Selecting the Test ModeMENU/NO Operating the Continuous Playback ModeMID OUTFunctions of Other Buttons Test Mode DisplaysMode display Error rate displayInformation When Memory NG is DisplayedMeanings of Other Displays Automatic SELF-DIAGNOSIS FunctionParts Replacement and Adjustment Section Electrical AdjustmentsCheck before replacement YES Adjustment flowPrecautions for USE of Optical PICK- UP KMS-260B Precautions for Checking Laser Diode EmissionPrecautions for Adjustments Checks Prior to Repairs Using the Continuously Recorded DiscTraverse Waveform Auto CheckOther Checks Traverse CheckSelf-Recording/playback Check Play Check MO Error Rate CheckCD Error Rate Check Focus Bias CheckTemperature Compensation Offset Adjutment Initial Setting of Adjustment ValueLaser Power Adjustment Iop NV Save Traverse AdjustmentYES Focus Bias AdjustmentMO 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 DiagramsFor schematic diagrams For printed wiring boardsMDS-JE440 Block Diagrams BD SectionSclk Cclk Control Generator OSC Main SectionMain Board BD BoardDisplay Board Semiconductor Printed Wiring Board BD SectionPIN PIN Function Printed Wiring Board Main Section Side a Printed Wiring Board Main Section Side B PIN MDS-JE440 Schematic Diagram Main /3 See page 47 for IC Block Diagrams Printed Wiring Board Power Section Printed Wiring Board Display Section Schematic Diagram Display Section See page 34 for Waveforms IC101 CXA2523AR BD Board IC Block DiagramsIC400 LA5643 Main Board Pin No Pin Name Function IC PIN FunctionsMNT3 Sloc MNT0 FOKMNT1 Shck MNT2 XbusyAvdd MvciAsyo AsyiFS4 TfdrFfdr FrdrIC1 M30805SGP System Control Main Board HLDA/ALE Chassis Section Section Exploded ViewsNot supplied FL771 202 220 201 213 215 216 205 218 207 Mechanism MDM-7A259 Description Remarks Ref. No Section Electrical Parts ListIC TC7WU04FUTE12R Display KEY-SW SWITCH, Keyboard MENU/NOCN1 MainDiode MA8047-TX Vibrator Main VOL-SELSony Corporation

KMS-2608/J1N, MDM-7A, NEW specifications

Sony has long been a leader in the realm of electronic innovation, and the introduction of the NEW MDM-7A and KMS-2608/J1N models further solidifies this position. These devices are a testament to Sony's commitment to delivering cutting-edge technology that enhances user experience across various applications.

The MDM-7A, a multi-channel digital mixer, offers advanced audio processing capabilities, ideal for both studio and live sound environments. One of its standout features is its high-resolution 24-bit audio processing, which ensures crystal-clear sound reproduction and fidelity. The MDM-7A supports a wide range of audio formats, making it compatible with various production environments. Moreover, its intuitive user interface facilitates easy navigation and control over numerous audio channels while maintaining flexibility for complex setups.

On the other hand, the KMS-2608/J1N is a multichannel audio management system designed for more extensive sound setups. One of its primary features is the smart signal routing capability, which allows users to manage audio signals efficiently across different outputs. This is especially beneficial in large-scale events or installations where sound management can become challenging. With support for both analog and digital audio inputs, the KMS-2608/J1N caters to a variety of equipment, ensuring seamless integration with existing systems.

In terms of connectivity, both devices are equipped with multiple input and output options, including XLR and TRS connectors, along with digital interfaces such as AES/EBU and S/PDIF. This flexibility allows users to customize their audio setups according to specific needs and preferences.

Another defining characteristic of the MDM-7A and KMS-2608/J1N is their durability and reliability. Built with robust materials and designed for extensive use, these devices are engineered to withstand the rigors of professional use, making them a smart investment for audio professionals.

In conclusion, the Sony MDM-7A and KMS-2608/J1N embody the future of audio technology, combining superior sound performance with user-friendly features. These models are not only designed to meet current industry standards but are also forward-thinking, making them suitable for a wide array of applications, from studio recordings to live events. As Sony continues to innovate, these devices are sure to play a significant role in shaping the audio landscape for years to come.
Top Page Image Contents