Sony MDM-7A, NEW Functions of Other Buttons, Test Mode Displays, Mode display, Error rate display

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4-6. FUNCTIONS OF OTHER BUTTONS

Function

Contents

 

 

G

Sets continuous playback when pressed in the STOP state. When pressed during continuous

 

playback, the tracking servo turns ON/OFF.

 

 

x

Stops continuous playback and continuous recording.

 

 

M

The sled moves to the outer circumference only when this is pressed.

 

 

m

The sled moves to the inner circumference only when this is pressed.

 

 

REC MODE

Switches between the pit and groove modes when pressed.

 

 

PLAY MODE

Switches the spindle servo mode (CLV S y CLV A).

 

 

LEVEL/DISPLAY/CHAR

Switches the displayed contents each time the button is pressed.

 

 

A

Ejects the disc.

 

 

REPEAT

Exits the test mode.

 

 

4-7. TEST MODE DISPLAYS

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

When CPLAY and CREC are started, the display will forcibly be switched to the error rate display as the initial mode.

1. Mode display

Displays “TEMP ADJUST”, “CPLAY1MODE”, 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) If the LEVEL/DISPLAY/CHAR button is pressed after pressing the

PROGRAM button, the display switches from groove to pit or vice versa.

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 the address cannnot be read.

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)

C1 error and Jitter display

(Not used in servicing)

AD error and Jitter display

(Not used in servicing)

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Contents Specifications InputsOutputs SELF-DIAGNOSIS Function Where purchased Power requirementsSupplied accessories GeneralItems of Error History Mode Items and Contents Diagrams Table of ContentsDisassembly Exploded ViewsFlexible Circuit Board Repairing Section Service NotesSafety CHECK-OUT LeakageJIG for Checking BD Board Waveform IOPRecord Precedure Checks Prior to Parts Replacement and Adjustments Forced ResetMain Board Component Side Retry Cause Display Mode Bit BinaryBit When Binary Higher Bits Lower Bits Hexa DetailsHexadecimal Binary Section General Section Disassembly Front Panel SectionMain Board PT BOARD, VOL-SEL BoardMechanism Deck Section MDM-7A BD BoardSetting the Test Mode Section Test ModePrecautions for USE of Test Mode Exiting the Test ModeSelecting the Test Mode Display Details Mark GroupOUT Operating the Continuous Playback ModeMID MENU/NOError rate display Test Mode DisplaysMode display Functions of Other ButtonsAutomatic SELF-DIAGNOSIS Function When Memory NG is DisplayedMeanings of Other Displays InformationSection Electrical Adjustments Parts Replacement and AdjustmentCheck before replacement Adjustment flow YESPrecautions for Checking Laser Diode Emission Precautions for USE of Optical PICK- UP KMS-260BPrecautions for Adjustments Using the Continuously Recorded Disc Checks Prior to RepairsTraverse Check Auto CheckOther Checks Traverse WaveformFocus Bias Check Play Check MO Error Rate CheckCD Error Rate Check Self-Recording/playback CheckInitial Setting of Adjustment Value Temperature Compensation Offset AdjutmentLaser Power Adjustment Traverse Adjustment Iop NV SaveFocus Bias Adjustment YESCD 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 For printed wiring boards Section DiagramsFor schematic diagrams Circuit Boards LocationBlock Diagrams BD Section MDS-JE440Main Section Sclk Cclk Control Generator OSCBD Board Main BoardDisplay Board Printed Wiring Board BD Section SemiconductorPIN 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 IC Block Diagrams IC101 CXA2523AR BD BoardIC400 LA5643 Main Board IC PIN Functions Pin No Pin Name FunctionMNT2 Xbusy MNT0 FOKMNT1 Shck MNT3 SlocAsyi MvciAsyo AvddFrdr TfdrFfdr FS4IC1 M30805SGP System Control Main Board HLDA/ALE Section Exploded Views Chassis SectionNot supplied FL771 Mechanism MDM-7A 202 220 201 213 215 216 205 218 207259 Section Electrical Parts List Description Remarks Ref. NoIC TC7WU04FUTE12R SWITCH, Keyboard MENU/NO Display KEY-SWMain CN1Diode MA8047-TX Main VOL-SEL VibratorSony 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.
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