Sharp MDMX-30 Service manual

MD-MX30H

SERVICE MANUAL

No.S5924MDMX30H

MD-MX30H

MD-MX30H MD Compact Component System consisting of MD-MX30H(main unit) and CPMX30H(speaker system).

• In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified should be used.

• Note for users in UK

Recording and playback of any material may require consent which SHARP is unable to give. Please refer particularly to the provisions of Copyright Act 1956, the Dramatic and Musical Prefomers Protection Act 1956, the Preformers Protection Acts 1963 and 1972 and to any subsequent statutory enactments and orders.

CONTENTS

Page

SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2

IMPORTANT SERVICE NOTES (FOR U.K. ONLY) ...........................................................................................................3

SPECIFICATIONS ............................................................................................................................................................. 3

NAMES OF PARTS ........................................................................................................................................................... 4

OPERATION MANUAL .......................................................................................................................................................6

DISASSEMBLY.................................................................................................................................................................. 8

REMOVING AND REINSTALLING THE MAIN PARTS................................................................................................... 10

TEST MODE .................................................................................................................................................................... 13

ADJUSTMENT ................................................................................................................................................................. 18

EEPROM WRITING PROCEDURE ..................................................................................................................................26

EXPLANATION OF ERROR DISPLAY.............................................................................................................................28

RDS OPERATION ............................................................................................................................................................29

NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 31

TYPE OF TRANSISTOR AND LED ................................................................................................................................. 31

BLOCK DIAGRAM ........................................................................................................................................................... 32

SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD............................................................................................. 40

WAVEFORMS OF CD CIRCUIT...................................................................................................................................... 59

WAVEFORMS OF MD CIRCUIT ..................................................................................................................................... 60

TROUBLESHOOTING (CD SECTION) ........................................................................................................................... 62

TROUBLESHOOTING (MD SECTION) ............................................................................................................................66

FUNCTION TABLE OF IC................................................................................................................................................ 70

REPLACEMENT PARTS LIST/EXPLODED VIEW/PACKING OF THE SET (FOR U.K.)

SHARP CORPORATION

– 1 –

This document has been published to be used for after sales service only. The contents are subject to change without notice.

MD-MX30H

SAFETY PRECAUTION FOR SERVICE MANUAL

WARNINGS (CD)

THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER OUTPUT IS LESS THAN CLASS 1 BUT THE LASER COMPONENT IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT FOR CLASS 1. THEREFORE IT IS IMPORTANT THAT THE FOLLOWING PRECAUTIONS ARE OBSERVED DURING SERVICING TO PROTECT YOUR EYES AGAINST EXPOSURE TO THE LASER BEAM.

1-WHEN THE CABINET IS REMOVED, THE POWER IS TURNED

ON WITHOUT A COMPACT DISC IN POSITION AND THE PICKUP IS ON THE OUTER EDGE THE LASER WILL LIGHT FOR SEVERAL SECONDS TO DETECT A DISC. DO NOT LOOK INTO THE PICKUP LENS.

2-THE LASER POWER OUTPUT OF THE PICKUP UNIT AND

REPLACEMENT SERVICE PARTS ARE ALL FACTORY PRESET BEFORE SHIPMENT. DO NOT ATTEMPT TO RE-ADJUST THE LASER PICKUP UNIT DURING REPLACEMENT OR SERVICING.

3-UNDER NO CIRCUMSTANCES STARE INTO THE PICKUP LENS

AT ANY TIME.

4-CAUTION-USE OF CONTROLS OR ADJUSTMENTS, OR

PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

WARNINGS (MD)

The AEL (ACCESSIBLE EMISSION LEVEL) of the laser power output is less than class 1 but the laser component is capable of emitting radiation exceeding the limit for class 1. Therefore it is important that the following precautions are observer during servicing to protect your eyes against exposure to the laser beam.

1) When the unit case cover is removed and LOADING SW (SW

1956) is turned on and then PLAY SW (SW 1954 mechanism PWB) is turned on in a few second.

The laser will light for several second to detect a disk.

2) The laser power output of the pickup unit and replacement service parts are all factory pre-set before shipment.

Do not attempt to re-adjust the laser pickup unit during replacement

or servicing.

3) Under no circumstances stare into the pickup lens at any time.

4) If laser optical unit becomes faulty, replace the complete laser optical unit.

5) CAUTION-USE of controls or adjustments, or performance of procedures other than those specified herein may result in hazardous radiation exposure.

CAUTION - INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED AVOID EXPOSURE TO BEAM .

VARNING - OSYNLIG LASERSTR LNING N R DENNA DEL R …PPNAD OCH SP RRAR R URKOPPLADE. STR LEN R FARLIG.

ADVARSEL - USYNLIG LASERSTR LING N R DEKSEL PNES OG SIKKERHEDSL S BRYTES. UNNG EKSPONERING FOR STR LEN.

VARO! AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA N KYM T…N LASERS TEILYLLE. L KATSO S TEESEN.

VARNING - OSYNLIG LASERSTR LING N R DENNA DEL R …PPNAD OCH SP RREN R URKOPPLAD. BETRAKTA EJ STR LEN.

ADVARSEL - USYNLIG LASERSTR LING VED BNING N R SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION. UNDG UDSETTELSE FOR STR LING.

CAUTION-INVISIBLE LASER RADIATION WHEN OPEN. DO NOT STARE INTO BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS.

LASER KLASSE 1 LUOKAN 1 LASERLAITE KLASS 1 LASERAPPARAT

VARNING-OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD. STIRRA EJ IN I STRALEN OCH BETRAKTA EJ STRALEN MED OPTISKA INSTRUMENT.

ADVERSEL-USYNLIG LASERSTRALING VED ABNING. SE IKKE IND I STRALEN-HELLER IKKE MED OPTISKE INSTRUMENTER.

VARO! AVATTAESSA OLET ALTTIINA NAKYMATON LASERSATEILYLLE. ALA TUIJOTA SATEESEEN ALAKA KATSO SITA OPTISEN LAITTEEN LAPI.

VARNING-OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD. STIRRA EJ IN I STRALEN OCH BETRAKTA EJ STRALEN GENOM OPTISKT INSTRUMENT.

ADVERSEL-USYNLIG LASERSTRALING NAR DEKSEL APNES. STIRR IKKE INN I STRALEN ELLER SE DIREKTE MED OPTISKE INSTRUMENTER.

VAROITUS! LAITTEEN KÄYTTÄMINEN MUULLA KUIN TÄSSÄ KÄYTTÖOHJEESSA MAI NI TULLA TAVALLA SAATTAA ALTI STAA KÄYTTÄJÄN TURVALLI SUUSLUOKAN 1 YLITTÄVÄLLE NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE.

VARNING - OM APPARATEN ANVÄNDS PÅ ANNAT SÄTT ÄN I DENNA BRUKSANVI SNI NG SPECI FI CERAS. KAN ANVÄNDAREN UTSÄTTAS FÖR OSYNLIG LASERSTRÅLNING, SOM ÖVERSKRIDER GRÄNSEN FÖR LASERKLASS 1.

VARO ! Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymättömälle lasersäteilylle. Älä katso säteeseen. VARNING! Osynlig laserstralning när denna del är öppnad och spärren är urkopplad. Betrakta ej strälen.

Precaution to be taken when replacing and servicing the

Magnetic Head

Optical Pickup

laser pickup. The following precautions must be observed during servicing to protect your eyesvagainst exposure to the laser. Warning of possible eye damage when repairing: If the AC power plug is connected when the inner cover of the unit is removed, the laser will light up during focus access (about 1 second) (Fig. 2-1). During this operation, the laser will leak from the opening between the magnetic head and cartridge holder (Fig. 2-2). In order to protect your eyes, you must not look at the laser during repair. Before repairing, be sure to disconnect the AC power plug.

Figure 2-1

Magnetic Head

Laser Beam

Cartridge Holder

Mechanism Chassis

– 2 –

Optical PickupSpindle Motor

Figure 2-2

Screw

FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL.

IMPORTANT SERVICE NOTES (FOR U.K. ONLY)

Before returning the unit to the customer after completion of a repair or adjustment it is necessary for the following withstand voltage test to be applied to ensure the unit is safe for the customer to use. Setting of Withstanding Voltage Tester and set.

Set name

Set value Withstanding Voltage Tester Test voltage

4,240 VPEAK

3,000 VRMS Set time Set current (Cutoff current)

6 secs

4 mA Unit Judgment OK: The “GOOD” lamp lights. NG: The “NG” lamp lights and the buzzor sounds.

SPECIFICATIONS

WITHSTANDING

VOLTAGE TESTER

OUT

SHORT-CIRCUIT AC POWER SUPPLY CORD

Figure 3-3

PROBE

UNIT

CONNECT THE PROBE TO GND OF CHASSIS SCREW

MD-MX30H

● General Power source: AC 230 V, 50 Hz Power

consumption: 70 W

Dimensions: Width; 215 mm (8-1/2")

Height; 162 mm (6-7/16") Depth; 344 mm (13-9/16")

Weight: 4.7 kg (10.4 lbs.)

● Amplifier section Output power: RMS; 50 W (25 W+25 W) (DIN 45 324)

MPO; 96 W (48W+48W) (DIN 45 324)

Output terminals: Speaker; 6 ohms

Headphones; 16 - 50 ohms (recommended 32 ohms)

Input terminals: Auxiliary; 500 mV/47 k ohms

● MiniDisc recorder section Type: MiniDisc recorder Signal readout: Non-contact, 3-beam semiconductor laser pickup Rotation speed: 400 - 900 rpm CLV, Approx Error correction: ACIRC (Advanced Cross Interleave Reed-

Solomon Code)

Quantization: 20-bit linear (A/D converter) Coding: ATRAC (Adaptive Transform Acoustic Coding) Sampling

frequency: 44.1 kHz

Recording

method: Magnetic modulation

overwrite method

Frequency

response: 20 - 20,000 Hz

D/A converter: 1-bit D/A converter Wow and flutter: Unmeasurable

(less than 0.001% W. peak)

Signal/noise ratio: 95 dB (1 kHz) Dynamic range: 90 dB (1 kHz) Audio channel: Stereo; 2 channels

Monaural; 1 channel (playback only) (long-time recording mode)

● Compact disc player section Type: Drawer type compact disc player Signal readout: Non-contact, 3-beam semiconductor laser pickup Rotation speed: 200 - 500 rpm CLV, Approx. Error correction: CIRC (Cross Interleave Reed-Solomon Code) Quantization: 16-bit linear Frequency

response: 20 - 20,000 Hz D/A converter: 1-bit D/A converter Signal/noise ratio: 95 dB (1 kHz) Dynamic range: 90 dB (1 kHz) Wow and flutter: Unmeasurable

(less than 0.001% W. peak)

● Tuner section Frequency range: FM; 87.5 - 108.0 MHz

AM; 522 - 1,620 kHz

Sensitivity: FM; 2.5 µV (75 ohms unbalanced)

AM; 650 µV/m

● Speaker section Type: 2-way speaker system

[12cm (4-3/4") woofer and 2cm (3/4") tweeter]

Maximum input

power: 50 W Rated input

power: 25 W Impedance: 6 ohms Dimensions: Width; 160 mm (6-5/16")

Height; 280 mm (11-1/16") Depth; 233.5 mm (9-1/4")

Weight: 3.2 kg (7.1 lbs.)/each

Specifications for this model are subject to change without prior notice.

– 3 –

MD-MX30H

NAMES OF PARTS

Front panel

1. On/Stand-by Button

2. Timer Stand-by Indicator

3. Name/TOC Edit Button

4. Timer/Delete Button

5. Tuning Down/Review Button

6. MD Stop Button

7. MD Play/Pause Button

8. Tuning Up/Cue Button

9. Display (Demo) Button

10. MD Compartment

11. MD Eject Button

12. Jog Dial

13. Memory/Enter Button

14. CD Compartment

15. Record Button

16. CD

17. CD

18. CD Open/Close Button

19. CD Stop Button

20. CD Play/Pause Button

21. Headphone Socket

22. Surround Button

23. Preset Equalizer Button

24. Extra Bass Button

25. Tuner (Band) Button

26. Auxiliary Button

27. Volume Control

28. Volume Select Button

29. Programme Type/Traffic Information Search Button

30. EON Button

31. Auto Station Programme Memory Button

32. Display Mode Button

33. Station Selector Button

MD Normal Speed

Edit Button

MD High Speed

Edit Button

234 56781

910 131211

2423

29 30 32

16 17 18 1920

262221 28

Rear panel

1. AM Loop Aerial Socket

2. Auxiliary Input Sockets

3. Speaker Terminals

4. FM 75 Ohms Aerial Socket

5. AC Input Socket

Speaker section

1. Tweeter

2. Woofer

3. Bass Reflex Duct

4. Speaker Terminals

– 4 –

Display window

1. FM Stereo Indicator

2. FM Stereo Mode Indicator

3. Track Edit Indicator

4. Play/Pause Indicator

5. Repeat Indicator

6. TOC Indicator

7. Level Meters

8. CD Indicator

9. High Speed Edit Indicator

10. MD Indicator

11. Record Indicator

12. RDS Indicator

13. Radio Text Indicator

14. Traffic Programme Indicator

15. Traffic Announcement Indicator

16. Dynamic PTY Indicator

17. EON Indicator

18. Programme Type Indicator

19. Traffic Information Indicator

20. Sleep Indicator

21. Disc Indicator

22. Track Indicator

23. Memory Indicator

24. Random Play Indicator

25. Total Time Indicator

26. Remaining Time Indicator

27. Character Information Display

28. AM/PM Indicator

29. Timer Record/Timer Play Indicator

30. Surround Indicator

31. Extra Bass Indicator

MD-MX30H

2 3 4 56 7 8 9

11011 20 21

22 23 24 25

26 27 2829 30 31

12 13 14

15 16

17 18 19

Remote contorol

1. Remote Control Transmitter LED

2. Programme Type/Traffic Information Search Button

3. Station Selector Button

4. Surround Button

5. Preset Equalizer Button

6. Clock Button

7. Sleep Button

8. Memory/Enter Button

9. MD Stop Button

10. MD Play/Pause Button

11. MD Track Down/Review Button

12. MD Track Up/Cue Button

13. Track Edit Button

14. Record Button

15. On/Stand-by Button

16. Dimmer Button

17. Tuner Preset Up/Down Buttons

18. Extra Bass Button

19. V olume Select Button

20. Display Button

21. Clear Button

22. Play Mode Button

23. Time Button

24. CD Play/Pause Button

25. CD Stop Button

26. CD Track Up/Cue Button

27. CD Track Down/Review Button

28. Tuner (Band) Button

29. Auxiliary Button

30. V olume Buttons

10 11 12

14 15

2 3

4 5

6 7 8

17 18 19

20 21 22 23 24 25 26

27 28

29 30

– 5 –

MD-MX30H

SETTING THE CLOCK

Adjust the hour by turning the jog dial.

● When the jog dial is turned one click clockwise,

the time will increase by 1 hour. When it is turned

one click anti-clockwise, the time will decrease

by 1 hour. Keep turning the jog dial to change

the time continuously.

● When the 12-hour display is selected, "AM" will

change to "PM" automatically.

Press the MEMORY/ENTER button.

Adjust the minutes by turning the jog dial.

● When the jog dial is turned one click clockwise,

the time will increase by 1 minute. When it is

turned one click anti-clockwise, the time will

decrease by 1 minute. Keep turning the jog dial

to change the time continuously.

● The hour setting will not advance even if min-

utes advance from "59" to "00".

Press the MEMORY/ENTER button.

● The clock starts operating from "0" second.

(Seconds are not displayed.)

To see the time display:

Press the CLOCK button.

● The time display will appear for about 5 seconds

even in the stand-by mode.

Note:

● The "CLOCK" will appear at the push of the

CLOCK button when the AC power supply is re-

stored after a power failure occurs or after the

AC power lead is disconnected.

If this happens, follow the procedure below to

change the clock time.

To change the clock time:

Press the CLOCK button.

Within 5 seconds, press the MEMORY/ENTER

button.3Perform steps 6 - 9 above.

To change the time display mode:

Reset the microcomputer.

Perform steps 2 - 9 above.

MEMORY/

ENTER

Jog dial

● In this example, the clock is set for the 24-hour

(0:00) system.

Press the ON/STAND-BY button to turn the

power on.

Press the CLOCK button.

Within 5 seconds, press the MEMORY/ENTER

button.

Turn the jog dial to select the time display mode.

"0:00" →The 24-hour display will appear.

→(0:00 - 23:59)

"12:00 AM" →The 12-hour display will appear.

→(AM or PM 12:00 - 11:59)

"0:00 AM" →The 12-hour display will appear.

→(AM or PM 0:00 - 11:59)

● Note that this can only be set when the unit is

first installed or it has been reset.

Press the MEMORY/ENTER button.

ON/STAND-BY

CLOCK

RESETTING THE MICROCOMPUTER

If this product is subjected to strong external inter-

ference (mechanical shock, excessive static elec-

tricity, abnormal supply voltage due to lightning, etc.)

or if it is operated incorrectly, it may malfunction or

the display may not function correctly. If such a prob-

lem occurs, do the following:

Press the ON/STAND-BY button to enter the

stand-by mode.

Press the ON/STAND-BY button whilst holding

down the SURROUND button and the

TIMER/DELETE button.

● "ALL CLEAR" will appear.

Caution:

● The operation explained above will erase all data

stored in memory including clock and timer

settings, and tuner, MiniDisc and CD presets.

1,2

■ If a problem occurs

If this unit functions abnormally during operation, first check the following items. If the unit continues to function

abnormally, or if an abnormality appears other than listed below, set this unit to the stand-by mode and discon-

nect the AC power plug, then consult your SHARP dealer or service personnel.

TROUBLESHOOTING

General

Possible cause

● Did a power failure occur?

● Is the volume level is set to "0"?

● Are the headphones connected?

●

Are the speaker wires disconnected?

● When a radio or TV which uses an

indoor aerial is placed near the unit,

the picture on the TV screen may be

distorted or the radio may not func-

tion properly.

Remedy

● Try setting it again.

● Set this unit to the stand-by

mode and then turn it back on.

Then, retry the operation.

● Increase the volume level.

● Disconnect the headphones.

● Connect the wires securely.

● It is recommended that you use

an external aerial.

Symptom

● The clock is wrong.

● When a button is pressed, the unit

does not respond.

● No sound is heard.

● Radios make unusual noise or the

picture on the TV screen is dis-

torted.

OPERATION MANUAL

– 6 –

MD-MX30H

(Continued)

Symptom

● A recording cannot be made.

● Even though a disc has been

loaded, "NO DISC" or "CAN'T

READ" is displayed.

● Playback sounds are skipped.

Possible cause

● Is the MiniDisc protected against

accidental erasure?

● Did you try to make recording on a

playback-only MiniDisc?

● Can you see the "DISC FULL" or

"TOC FULL" message in the dis-

play?

● The disc is very dirty.

● Is the unit located near excessive

vibrations?

● Has condensation formed inside the

unit?

Remedy

● Slide the accidental erase pre-

vention tab back to its original

position.

● Replace it with a recordable

disc.

● Put in another recordable disc

with recording space on it.

● Clean the disc.

● Place the unit on a firm, level

surface free from vibration.

● Remove the disc and leave the

power turned on. The unit

should function properly in

about 1 hour.

MiniDisc recording and playback

Symptom

● Radios make unusual noise con-

secutively.

● The preset channel cannot be re-

called.

Possible cause

● The unit is placed near the TV or

computer.

● The aerial direction is not placed

properly.

● Did you erase the programmed sta-

tion?

Remedy

● When the unit receives a radio

broadcast near a TV set, a com-

puter or a word-processor, it may

pick up noise. If this happens,

move the unit from the place

where the noise is picked up.

● Correct the aerial direction.

● Preset the channel again.

● Redo programming.

Radio reception

Symptom

● The remote control does not func-

tion or does not operate properly.

● The power cannot be turned on

from the remote control.

Possible cause

● The batteries (polarity) are not in-

serted properly.

● The batteries inside the remote con-

trol are dead.

● The remote control is operated from

an incorrect distance or angle.

● Is the AC power lead plugged in?

Remedy

● Insert properly.

● Replace the batteries.

● Operate it within a range of 0.2

m (8") to 6 m (20') and within an

angle of 15 ° to either side of

centre.

● Connect the AC power lead.

Remote control

CD Playback

Possible cause

● The disc is loaded up-side down.

● The disc is very dirty.

● The disc which does not satisfy the

standards.

● Is the unit located near excessive

vibrations?

● Has condensation formed inside the

unit?

Remedy

● Load the disc with the correct

side up.

● Clean the disc.

● Load the correct disc.

● Place the unit on a firm, level

surface free from vibration.

● Remove the disc and leave the

power turned on. The unit

should function properly in

about 1 hour.

Symptom

● Even though a disc has been

loaded, "NO DISC" is displayed.

● Playback stops in the middle of a

track, or playback is not performed

properly.

● Playback sounds are skipped.

When an error message is displayed, proceed as follows:

ERROR MESSAGES

Error messages

BLANK MD

CAN'T COPY

CAN'T READ

( :Number or

symbol)

CAN'T EDIT

CAN'T REC

CAN'T WRITE

DISC FULL

E-CD 20

E. OVER

EDIT OVER

Er-MD

( :Number or

symbol)

NAME FULL

NO DISC

NOT AUDIO

PLAY MD

PROTECTED

TEMP OVER

TOC FORM

(

:Number or

symbol)

TOC FULL

TOC FULL 1

? DISC

Remedy

● Replace it with another disc.

● Replace the CD.

● Replace it with another disc.

● Erase the disc and try recording again.

● Change the stop position of the track

and then try editing it.

● Re-record or replace the MiniDisc.

● Set this unit to the stand-by mode and

try to write the TOC again. (Remove

any source of shock or vibration whilst

writing.)

● Replace the disc with another record-

able disc.

● Set this unit to the stand-by mode and

turn the power on again.

● Decrease the number of tracks.

● Replace it with a disc that has enough

time to record.

● Set this unit to the stand-by mode and

turn the power on again.

● Shorten the disc or track name.

● Load a MiniDisc.

● Reload the MiniDisc.

● Load a CD.

● Reload the CD.

● Select another track.

● Replace the disc.

● Replace it with another recordable

disc.

● Move the write protection tab back to

its original position.

● Set this unit to the stand-by mode and

wait for a while.

● Replace it with another disc.

● Erase the disc and try recording again.

● Replace it with another recordable

disc.

● Replace it with another recordable

disc.

● Erase the needless characters.

● Replace it with another disc.

Meaning

● Nothing is recorded.

(Neither music nor disc name is re-

corded.)

● Y ou tried to record from a copy prohib-

ited CD.

● The disc is damaged.

● TOC information cannot be read.

● MiniDisc not specified.

● A track cannot be edited.

● Recording cannot be performed cor-

rectly due to vibration or shock in the

unit.

● The T OC information could not be cre-

ated properly due to a mechanical

shock or to scratches on the disc.

● The disc is out of recording space.

● The CD tray is not working properly.

● You chose 21 or more tracks for track

editing.

● There is no space to make CD editing

on the disc.

● A MiniDisc is not working properly.

● The number of characters for the disc

name or track name exceeds 40.

● A MiniDisc has not been loaded.

● The MiniDisc data cannot be read.

● A CD has not been loaded.

● The CD data cannot be read.

● The data recorded on this disc is not

audio data.

● You tried to record on a playback-only

disc.

● The disc is write protected.

● The temperature is too high.

● TOC information recorded on the MD

does not match the MiniDisc specifi-

cations or it cannot be read.

● There is no space left for recording

track numbers.

● There is no space left for recording

character information.

● The data contains an error.

● MiniDisc not specified.

– 7 –

MD-MX30H

RV59

DISASSEMBLY

Caution on Disassembly

The disassembling the machine or assembling it after repair, observe the following instructions to ensure safety and keep its performance.

1. Unload the compact disc, and mini-disc, cassette tape from machine.

2. Be sure to unplug the power cable before starting disassembly of the machine.

3. When disassembling each section, remove the nylon band or wire arrangement. After servicing the unit, be sure to rearrange the leads where they were before disassembling.

If a screw of improper length is fit to the MD mechanism.

(A screw fit the part to the mechanism chassis of MD section), it may contact the optical pickup, impeding normal operation. Hence, due care must be taken.

4. While repairing, pay utmost attention to static electricity on ICs.

MAIN UNIT

STEP REMOVAL

1 Top Cabinet 1. Screw ................ (A1) x7 8-2

2 Side Panel

(Right,Left)

3 Rear Panel 1. Socket ............... (C1) x1 8-3

4 Main PWB 1. Screw ................ (D1) x9 9-1

(Note 1) 2. Flat Cable.......... (D2) x4

5 Tuner PWB 1. Screw ................ (E1) x4 9-1

6 Power PWBx2 1. Socket ............... (F1) x1 9-2

7 MD/CD Holder 1. Screw ................ (G1) x8 9-3

8 Front Panel 1. Screw ................ (H1) x4 9-4

9 Volume PWB 1. Knob .................. (J1) x1 9-5

10 Display PWB 1. Knob.................. (K1) x1 9-5

11 CD Servo PWB 1. Socket ............... (L1) x5 9-6

(Note 1) 2. Lug .................... (L2) x1

12 MD Holder 1. Screw ................ (M1) x3 9-6

(MD Unit) 2. Screw ................ (M2) x4

13 CD Mechanism 1. Screw ................ (N1) x3 9-7

14 MD Mechanism 1. Screw ................ (P1) x8 10-1

(Note 1) 2. Lug .................... (P2) x3

PROCEDURE

FIGURE

1. Screw ................ (B1) x8 8-2

2. Screw ................ (C2) x5

3. Socket ............... (D3) x3

2. Screw ................ (F2) x9

2. Flat Cable.......... (G2) x1

2. Screw ................ (J2) x3

3.Nut...................... (J3) x1

2. Nut ..................... (K2) x1

3. Screw ................ (K3) x8

3. Screw ................ (L3) x3

3. Screw ................ (P3) x1

4. Socket ............... (P1) x2

Notes for servicing

• This model is equipped with a fan. If you remove the fan to service the unit, it enters the protection mode and the power cannot be turned on by pressing the POWER button. In suc-h a case, follow the procedure below. (Refer to Fig.8-1.)

1. Check whether a resistor (RV 66,39ohm,1/2W) is inserted.If

not, connect it (39ohm,1/2W).

2. Connect the patterns circled with a dotted line by soldering.

• Desolder to reassemble the unit after repairing. If you fail

to desolder, the power turns off soon because the unit enters the protection mode when the fan rotates at a high speed (high power).

• These steps are unnecessary to service the unit with the

RV17

fan connected.

CV56

345

BCE

RV19

RV21

CV15

RV20

RV53

DV03

QV51

DV05

DV06

RV09

CV13

RV11

RV07

CV09

CNPV01 21

RV15

CV53

RV05

RV50

LUGV01

CHASSIS

GND

CV59

CV07

3 2

CV05

RV51

RV03

CV62

RV66

SV02

11 - G,H PLAY PWB

(B1) x2 ø3 x12mm

Side Panel(R)

(A1) x3 ø3 x12mm

MAIN PWB-A1

CNSV01

Figure 8-1

MAIN UNIT

(A1) x2 ø3 x12mm

(B1) x2 ø3 x12mm

Figure 8-2

RD 1 2

MV01

FAN MOTOR

Cabinet

Side Panel(L)

RV01

CV01

QV54

C E

CV58

BIV01

CV61

(A1) x2 ø3 x12mm

(B1) x2 ø3 x12mm

RV60

Note 1:

After removing the connector for the optical pickup from the connector wrap the conductive aluminium foil around the front end of connector so as to protect the optical pickup from electrostatic damage.

(C2) x5

(C1) x1

ø3 x10mm

Rear Panel

Figure 8-3

– 8 –

MD-MX30H

MAIN PWB

(D2) x2

(D2) x1

DISPLAY PWB

(D3) x1

(E1) x2 ø3 x10mm

(D2) x1

(E1) x2 ø3 x10mm

Figure 9-1

(F2) x2 ø3 x10mm

(D1) x4 ø3 x10mm

TUNER PWB

(D1) x1 ø2.6 x10mm

Lug

(D1) x2 ø3 x10mm

HOLDER PWB

(D3) x1

(F2) x4 ø4 x8mm

(D3) x1

(D1) x1 ø3 x10mm

DISPLAY PWB

VOLUME PWB

Volume Holder

(J2) x3 ø3 x12mm

(M1) x1

(M2) x2 ø3 x6mm

ø2.6 x10mm

(J3) x1

Washer

Figure 9-5

(K2) x1

Washer

(K3) x8 ø2.6 x10mm

(L2) x1

(K1) x1

(J1) x1

(F2) x1 ø3 x10mm

(G2) x1

HOLDER PWB

POWER PWB

Figure 9-2

(G1) x1 ø3 x10mm

CD SERVO PWB

Figure 9-3

(F2) x2 ø3 x10mm

(G1) x4 ø3 x10mm

(G1) x1 ø3 x10mm

Front Panel

(F1) x1

(G1) x2 ø3 x10mm

MD/CD Holder

MD Holder

CD Roading Chassis

(L1) x1

Figure 9-6

(M1) x2 ø2.6 x10mm

(M2) x2 ø3 x6mm

MD UNIT

(L1) x2

CD SERVO PWB

(N1)x3 ø2.6 x10mm

(L3) x3 ø3 x10mm

(L1) x2

Figure 9-4

(H1) x3 ø3 x10mm

Lug

(H1) x1 ø3 x10mm

CD Mechanism

Figure 9-7

– 9 –

MD-MX30H

(P1)x1

ø2x 3mm

Shield Case,Top

(P1)x1

ø2x 3mm

SPEAKER

STEP REMOVAL

1 Net Frame 1. Net ..................... (A1) x1 10-2

Woofer 2. Screw ................ (A2) x4 10-3

Tweeter 3. Screw ................ (A3) x6

PROCEDURE

FIGURE

Shield Case,Side

Pull

Optical pickup Flexible PWB (Note 1)

MD MECHANISM

(P2)x2

Pull

(P3)x1

MD MAIN PWB

(P4)x1

(P1)x1

ø2x 3mm

(P1)x1

ø2x 3mm

(P2)x1

(P4)x1

(P1)x2

ø1.7x 3mm

(P1)x1

ø2x 3mm

(A3) x4 ø4 x20mm

(A1) x1

Figure 10-2

Tweeter

Cusion Seet

(A3) x2 ø4 x10mm

(P1)x1

(Note 1) After removing the flexible PWB for optical pickup from the connector wrap the front end of flexible PWB in conductive aluminum foil so as to protect the optical pickup from being damaged electrostatically.

ø2x 2mm

Shield Case,Bottom

Figure 10-1

REMOVING AND REINSTALLING THE MAIN PARTS

MD MECHANISM SECTION

For details about the procedure to remove the MD mechanism from the main unit, refer to the Disassembly Procedure, Steps 1-4,12 and 14 in the main unit and also the MD section. (Referring to p.8-10)

Caution:

After pulling out the optical pickup connector, wrap the end of the connector in conductive aluminium foil to prevent the optical pickup from being destroyed by static electricity.

How to remove the magnetic head (See Fig. 10-4)

1. Remove the screws (A1) x 1 pc.

(A2) x4 ø4 x20mm

Magnetic Head

MD Mechanism

Woofer

Figure 10-3

(A1)x1

ø1.7x 5mm

Caution:

Take utmost care so that the magnetic head is not damaged when it is mounted.

Figure 10-4

– 10 –

How to remove the MD loading PWB/loadeing

(B3)x2 ø1.7x 3mm

(B1)x1 ø1.7x 6mm

(B2)x2

(B2)x1

Loading Motor

Loading Motor PWB

motor (See Fig. 11-1)

1. Remove the screw (B1) x 1 pc.

2. Remove the Hoock (B2) x 3 pcs., and remove the MD Loading PWB.

3. Remove the screw (B3) x 2 pcs., and remove the Loading motor.

How to remove the sled motor/optical pickup (See Fig. 11-2)

1. Remove the screws (C1) x 3 pcs., and remove the sled motor.

2. Remove the optical pickup.

Optical Pickup

MD-MX30H

Figure 11-1

(C1)x1 ø1.4x 5mm

(C1)x2 ø1.4x 4.5mm

Washer

Caution:

How to remove the spindle motor (See Fig. 11-3)

1. Remove the screws (D1) x 3 pcs., and remove the spindle

Caution:

Be careful so that the gear is not damaged. (The damaged gear emits noise during searching.)

motor.

Be careful so that the gear is not damaged. (The damaged gear emits noise during searching.)

(D1)x3

ø1.4x 3mm

Sled Motor

Mechanism Switch PWB

Figure 11-2

Spindle Motor

Figure 11-3

– 11 –

MD-MX30H CD MECHANISM SECTION

For details about the procedure to remove the CD mechanism from the main unit, refer to Disassembly Procedure, Steps 14 ,7 and 11-13 in the main unit and also the CD section. (p.8,9).

How to remove the optical pickup (See Fig. 12-1.)

1. Remove the screws (A1)x 2 pcs., to remove shaft (A2)x 1 pc.

2. Remove the stop washer (A3)x 1 pc., to remove the gear (A4)x 1 pc.

3. Remove the optical pickup.

Note:

After disconnecting the optical pickup connector wrap the front end of connector in conductive aluminium foil to prevent damage to the optical pickup by static electricity.

How to remove the CD loading motor (See Fig. 12-2.)

1. Remove the belt (B1)x 1 pc.

2. Remove the screws (B2)x 2 pcs.,and remove the Loading

motor.

Optical Pickup

Shaft

( A2 ) x1

( A1 ) x2

ø2.6 x 6 mm

CD Mechanism

Stop Washer

( A3 ) x1

Gear

( A4 ) x1

Figure 12-1

(B2) x 2 ø2 x 4mm

How to remove the disc tray (See Fig. 12-3/4 .)

1. Rotate the disc tray gear in the direction of the arrow (1). Pull

out the disc tray as shown by the arrow (2).

2. Press the right and left claws as shown by the arrow (3) to

remove the disc tray.

CD Unit

Belt

(B1) x 1

CD Roading Motor

Figure 12-2

Disc Tray Gear

Figure 12-3

claws

– 12 –

Figure 12-4

TEST MODE

Press specified buttons simultaneously to enter the following test modes.

System section

TEST 1: Factory setting (version number and destination) TEST 2: Soft reset

MD section

TEST 3: MD test 1 (adjustment, test, etc.)

CD section

TEST 4: CD test

Tuner section

TEST 5: Tuner test frequency preset TEST 6: Tuner preset clear

Entering the test mode

While holding down the following 2 buttons, press the ON/STAND-BY button to enter each test mode.

MD-MX30H

Level meter

"Center Bar"

–

– Flashing Flashing

–

Setting the unit to default. Reinitializing the unit. Setting MD microcomputer to test mode Testing CD mechanism, hard Presetting test frequency

Clearing all preset settings

Table 13-1 Test mode entry

[SURROUND] [SURROUND] [SURROUND] [X-BASS] [TUNER]

[TUNER]

[ENTER] [DELETE] [MD-PLAY] [>>] [MD-PLAY]

[MD-STOP]

TEST1 TEST2 TEST3 TEST4 TEST5

TEST6

Name Description Button1 Button2

Factory setting Soft reset MD test 1 CD test Tuner test Frequency preset Tuner preset clear

System section

TEST 1 Factory setting test mode

Object: Putting the unit in default state. Function: Checking existence of CD and MD and reinitializing all functions. Operation: The unit performs CD initial operation and checks existence of CD.

If a CD exists, "CD OPEN" appears and tray opens in CD mode then the unit enters the normal power-on state.

Ejecting MD While disc existence check, program version and preset destination appear according to the display.

When disc existence check is completed, the unit reinitializes all settings and displays "FINISH" according to the display and prohibits every button input including power supply operation.

Leaving the test mode

The unit returns to normal operation by connecting and disconnecting the power supply cord.

Item

Version and destination display

CD presence

Setting end

Destination is displayed by its name.

Type Remarks

Sub-display

Operation

Function

12345678:910

CD OPEN

FINISH

Table 13-2 Character display

***

Character display

Number

– 13 –

Sub-display

MD-MX30H

TEST 2 Soft reset

Object: Reinitializing the unit. Function: Reinitializing all functions. Operation: "ALL CLEAR" appears and the unit reinitializes all functions and then turns power on.

Leaving the test mode

After reinitializing by soft reset, the unit enters the normal power-on state.

Item

Reset operation display

Type Remarks

Sub-display

Operation

12345678:910

ALCLLERA

Table 14-1 Character display

Character display

Sub-display

MD section

TEST 3 MD test 1

Object: Setting the MD unit to test mode. Function: Setting the MD microcomputer to test mode, sending test commands which correspond to the button entry, and

displaying indication data from the microcomputer.

Operation: Power turns on and the mode is switched to MD by entering the test mode. The test mode setting command is sent to the MD microcomputer to enter the test mode. Button entries not in theTable 15 (page 15) are ignored. 10 characters data received from the MD microcomputer are displayed. EJECT and LOADING are operated normally.

Disc can be loaded or unloaded forcibly by VOLUME up and down operations while MD microcomputer version is displayed in disc chucking and while EJECT is displayed.

Leaving the test mode

Pressing the ON/STAND-BY button turns the power off normally.

No auto adjustment mode setting

While in this test mode, pressing the MEMORY/ENTER button switches the unit to the no auto adjustment operation mode as follows.

The unit enters the no auto adjustment operation mode after the above. As normal operation, every button input is valid. While this setting, "Center bar" should flash. The unit is in the test mode continuously.

Note:

In no auto adjustment operation mode, the mode is canceled by pressing the ON/STAND-BY button. When power turns on again, normal power-on operation is performed.

– 14 –

MD-MX30H

Button to press

[UP]

[DOWN]

[VOLUME UP]

VOLUME DOWN

[

[MEMORY/ENTER]

]

Main unit

Remote control

Press Function

Once[ON/STAND-BY]

Once[EQUALIZER]

Once[X-BASS]

Once[CD-PLAY]

Once[CD-STOP]

Once Continuously

– –

Once[DISPLAY]

–

Power on and off. Turns the power off when POWER ON and on when POWER OFF.

Sending test mode menus. To servo adjustment mode. (Menus concerning adjustment and EEPROM.)

Sending test mode menus. To recording mode. (Menus concerning continuous playback and continuous recording.)

Sending test mode menus. To other modes. (INNER mode menu, JUMP SELECT menu, etc.)

Sending menus backward in each mode. (Valid in each test mode.)

Menu selection and execution.Once[MD-PLAY] Stopping each test item and returning to the previous selection menu.Once[MD-STOP]

1) Sled motor moving outward (FWD) and continuation.

2) JUMP.

3) Address value UP. Others

1) Slide motor moving inward (REV) and continuation.

2) JUMP.

3) Address value DOWN. Others

1) Forcibly disc unloading.

2) Adjustment value + 1.

1) Forcibly disc loading.

2) Adjustment value - 1.

1) Laser switching at "EJECT".

2) Display switching when continuous playback. Others

To the no auto adjustment operation mode.Once Normal loading.LOADING SW

Normal eject.Once[EJECT]

Table 15 Button entry table

Display in the MD test mode 1

"Center Bar" of the level meter flashes during this mode. Lower-case characters appear according to the 10-letter data from the MD microcomputer.

When an MD disc is already loaded: "_AUT_YOBI_" appears. The entry to this mode becomes steady when the indication appears as the AUTO YOBI mode Figure 15-1

"_AUTO_YOBI_" indication when entering MD test mode

Figure 15-1

– 15 –

MD-MX30H

When an MD is not loaded: "_EJECT_" appears. Indication appears as shown in Figure 16-1 when a disc is not loaded. When a disc is loaded, the MD microcomputer enters the AUTO YOBI mode. The received character data will be displayed

as Figure 15-1 (page 15).

"_EJECT_" indication when entering the MD test mode

Figure 16-1

Indication when moving to the normal power-off mode in the no auto adjustment mode. When the MEMORY/ENTER button is pressed in this mode, the unit leaves this test mode and becomes normal power-on

state in the no auto adjustment mode.(This mode is used for technical consideration, not for service.) After displaying "POWER ON", "MD DISC" (Figure 16-2) appears then the normal power-on indication appears.

"MD DISC" display

CD section

TEST 4 CD test mode

When focus is not correct in step 3 or when entering other error correction modes, the unit cannot move to the next step. When the unit enters error correction mode, press the ON/ STAND-BY button to stop the test mode or the CD-STOP button to return to step 1. Other operations are prohibited.

Press the ON/STAND-BY button in each step to cancel the test mode and return to the normal POWER OFF.

Figure 16-2

CD-Stop

CD test mode flow chart

Entry

Step1 Slide

Memory CD-Play

Step2 Laser output

Memory

Step3 Focus search

Memory

Step4 CLV

Memory

Step5 Manual playback

CD-Play

– 16 –

Step7 Overall test

Table 16

MD-MX30H

12345678910

87.5MHz 108.0MHz 90.0MHz 106.0MHz 98.0MHz 522kHz 1620kHz 603kHz 1404kHz 990kHz

Tuner section

Pressing the specified buttons performs the following 3 test operations. The operations are performed when POWER ON. When they are completed, the unit enters the normal power-on operation state.

TEST 5 Tuner test frequency preset

Object: Presetting the test frequency for factory test. Function: Presetting bands and frequencies shown in the Table 17 to each preset number according to the destination

default.

Operation: The bands and frequencies shown in the table are preset by entering test mode and power turns on in the

following state.

Function: Tuner Band: FM monaural Tuning mode: Preset call tuning Call preset number: Frequency of preset number 1 Each band last preset channel: Refer to Table 17 X-BASS: OFF Preset equalizer: FLAT Surround: OFF

Others are set to the previous power-off setting (the last state).

Leaving the test mode

When frequency is preset in the specified state, the unit turns on normally and returns to the normal operation state.

Table 17 TEST_TuSet preset frequency table

All FM bands are preset to FM monaural.

TEST 6 Tuner preset clear test

Object: Clearing all presetttings.

This function is opened to the users in the operation manual. Function: Canceling all presettings. Operation: "PRESET CL" appears by entering test mode. All tuner preset memories are cleared. Last preset information,

etc. for each band are also returned to initial state and all presettings are cleared. The unit changes the last

settings of the following items and enters the normal power-on state.

Function: Tuner Band: FM-Stereo Frequency: Minimum receiving frequency

Others are set to the previous power-off setting (the last state).

Leaving the test mode

Clearing presets are completed and POWER ON in the specified state. Then, the unit returns to the normal operation state.

Preset clear display

Figure 17-1

– 17 –

MD-MX30H

ADJUSTMENT

TUNER SECTION

fL: Low-range frequency fH: High-range frequency fC: Center-range frequency

• AM adjustment and confirmation

AM signal oscillator Frequency 400 Hz, 30%, AM modulation

Adjusting item

Adjusting object

IF Adjust the indication of Set IF waveform

T351 set to 1,620 kHz.

Frequency cover fL: T306 (522 kHz) fL: 1.3 ± 0.1 V (VT line voltage of Adjust the indication fH: 8.5 ± 1.3 V TP301) of set to 522 kHz. (Only confirmation)

fH: (1,620 kHz)

Tracking fC: T302 (990 kHz) Set the output of

• FM mute level adjustment

FM signal oscillator Frequency 1 kHz, 40 kHz dev.

Frequency Adjusting

98 MHz 26 dB(EMF) VR351 Input: SO301A

AM signal oscillator

Adjusting

method

AM Loop Antenna

object

IF:Speaker Terminal Freqency cover:TP301

UNIT

Figure 18-1 AM IF/Frequency Cover

SO301A

FM signal oscillator

Speaker Terminal

UNIT

Adjusting

method

450 kHz to maximum.

speaker terminal to maximum.

Adjusting object

Output: Speaker Terminal

Electronic voltmeter

GND

Electronic voltmeter

• Setting the Test Mode

While holding down the TUNER(BAND) button and the MD PLAY button, press the ON/STAND-BY button. Frequencies are rewritten in memory as shown in table 18. Call them using the JOG DIAL for tuner circuit adjustment and check. Note that once you reinitialize the settings, the frequencies recorded by users will be changed.

Preset No. Frequency

Preset No.

P01 87.5 MHz P06 522 kHz P02 108.0 MHz P07 1,620 kHz P03 90.0 MHz P08 603 kHz P04 106.0 MHz P09 1,404 kHz P05 98.0 MHz P10 990 kHz

Frequency

Table 18

TUNER PWB-A3

IC303

13 14

CF352

6 5 4 3 2 1

FE301

VR351

T351

AM IF

FM MUTE LEVEL

TP301

12 13 14 15 16 17 18 19 20 21 22

IC302

11 10 9 8 7 6 5 4 3 2 1

OSC.AM

AM ANT.

T306

T302

19 20 21 22 23 24

CF302

CF301

Figure 18-2 FM Mute Level

• Erasing the registered broadcast station

When the power is off, press and hold the TUNER(BAND) button and the MD STOP button, and then press the ON/

CNP301

AM ANTENNA

SO301A

FM ANTENNA

75Ω

Figure 18-3 ADJUSTMENT POINT

STAND-BY button. All the registered stations are erased.

CD SECTION

• Adjustment

Since this CD system incorporates the automatic adjustment functions, readjustment is not needed when replacing the pickup. Therefore, PWBs and pickups can be combined freely. Each time a disc is changed, automatic adjustment is performed. Therefore, playback of each disc can be performed under optimum conditions.

– 18 –

MD SECTION

Enter the test mode, adjust or set as shown in the following table according to the repair operations.

MD-MX30H

Execution item

Repair operations

PICK replacement

HEAD replacement MECHANISM

replacement MAIN PWB

assembly replacement MD microcomputer

replacement MD LSI replacement

RF IC replacement EEPROM IC

replacement

number to and

required

basic setting

TEMP

Checking

EEPROM

setting

EEPROM_SET

1 2

Writing the

EEPROM

setting

TEST-CANCEL

2 3

1 1

2 2

3 3

indicate the order of inplementation.

AUTO-YOBI

adjustment

AUTO–YOBI AUTO–ADJ AUTO–FAB

AUTO-

adjustment

4 5

AUTO-FAB adjustment

5 6 2

4 4

5 5

6 6

Writing the

EEPROM

setting

TEST-CANCEL

TEST-PLAY

4 7 7

Operation check

TEST-REC

7 8 4 5 8 8

8 9 5 6 9 9

" – " is an item that you don't have to execute.

The EEPROM writing result is shown at the end of the test mode OK_EEPROM: "SET" and "YOBI COMPLETE" were written normally

WR_EEPROM:

Although "SET" was written normally, it was not written in the "YOBI COMPLETE" state.

Peform "AUTO-YOBI" adjustment. After making a normal adjustment, write the preliminary adjustment into the EEPROM.

NG_EEPROM: "SET" could not be written.

Check the connection between the MD microcomputer and the EEPROM.

1. Preparation for adjustment Test disc

Type Test disc

1 High reflection disc TGYS1 (SONY) [for Playback] RRCDT0101AFZZ 2 Low reflection disc Recording minidisc ––––––––––––

3 Head Adjusting transparent RRCDT0103AFZZ 4 Low reflection disc Pre-adjustment disc [TEAC Test MD] 88GMMD-318

Extension Cable (See Fig. 23)

Type

1 Extension PWB for servicing RUNTK0532AFZZ 2 Extension Connector (2 Pin) QCNWK0129AFZZ 3 Extension Cable (6 Pin) QCNWK0130AFZZ 4 Extension Cable (5 Pin) QCNWK0109AFZZ 5 Extension Cable (28 Pin) QCNWK0108AFZZ

SONY 80 minutes disc is recommended.(example:PRISM 80)

Part No.

– 19 –

MD-MX30H

2. Test Mode

Test mode setting method

1. While holding down the MD PLAY and SURROUND buttons simultaneously, press the ON/STAND-BY button. (State A is changed to state B .)

2. Insert the playback-only disc 1 (high reflection disc) or the recordable disc 2 (low reflection disc). (State is changed to C.) If "R/

P WHICH?" appears, the mechanism and the PWB can be mismatched. Check whether the combination of the playing/recording PWB and mechanism are appropriate. If "R/P WHICH?" still appears, eject the disc and check as follows.

Check items

Pin 3 of IC1401

DC0.2V DC1.5V

DC1.8V Below DC1.5V –NG

Result Probable cause and remedy

To check 2NG–

Microcomputer may have recognized the PWB as for playback-only. Perform check 1.

Check end NG

– Perform check 2. Microcomputer may have recognized the PWB

as for playback-only. Perform check 1.

MD TEST

Step Mode

Playback power output

[ppw]

Recording power output

[rpw] Cannot enter

[rpw] mode

Check 1: Check the pin 100 line of IC1401 for defective soldering. Check the pin 93 line of IC1401 for short-circuit and defective

soldering (Also check the SW PWB).

Check 2: Check the pin 3 line of IC1401 for defective soldering and short-circuit with other patterns. Check that the pickup laser

is not broken.

A tsm 1A

e : TEST MODE represents version of MD microcomputer.

STOP state

B EJECT

(When the MD STOP button is pressed in the C state, the indication A is

C AUT YOBI

restored. To restore

C again, press the EQUALIZER button.)

Entering the specific mode

Whenever the EQUALIZER button is pressed, the mode is changed.

AUTO YOBI

(AUTO adjustment) (AUTO adjustment) (FAB adjustment) (RESULT

EEPROM_SET MAN FAB

(EEPROM setting) (MANUAL FAB adjustment) (MANUAL adjustment) (MANUAL adjustment)

AUTO AJST

RST YOBIAUT FAB

YOBI)

RESULT

MNU YOBI MNU AJST

Cancel of test mode

To restore the usual state once reset. *Before pressing the MEMORY/ENTER button, be sure to perform the AUTO preliminary adjustment and the AUTO adjustment. Make sure that they return a "COMPLETE" result. *When the data of EEPROM was changed or the preliminary adjustment was performed again, be sure to press the MEMORY/ ENTER button to write data in the EEPROM. (Data is written in the EEPROM by pressing the MEMORY/ENTER button.) *When changing the EEPROM settings, write them into the EEPROM and then enter the test mode again. Perform the AUTO preliminary adjustment and the AUTO adjustment. Then, write those into the EEPROM.

• Test Mode

1. EJECT mode • TEMP setting (of EEPROM setting)

• CONTROL setting (of EEPROM setting)

• Setting of laser power (record/playback power)

2. AUTO pre-adjustment mode • Automatic pre-adjustment is performed.

3. AUTO adjustment mode • Automatic adjustment is performed. (After adjustment the grating adjustment mode is set.)

• RESULT sub-mode • Therefore do not set this mode since it is not necessary for the service.

• RESULT mode (final adjustment)

• MANUAL pre-adjustment mode

• MANUAL adjustment mode

• MANUAL FAB adjustment mode

4. EEPROM setting mode • Various coefficients of digital servo are changed manually.

5. TEST-PLAY mode • Continuous playback from the specified address is performed.

• C1 error rate measurement, ADIP error rate measurement.

6. TEST-REC mode • Continuous recording from the specified address is performed.

7. INNER mode • The position where the INNER switch is turned on is measured.

– 20 –

MD-MX30H

1. EJECT mode

Step No.

Step 1 Test mode EJECT state [ _ _ E J E C T _ _ _ ] Step 2 Press the DISPLAY button. Playback power output state [ p p w _ _ _ _ _ _ _ ] Step 3 Press the DISPLAY button. Rec power output state [ r p w _ _ _ _ _ _ _ ] Step 4 Press the DISPLAY button. Therefore do not set this mode since it is not necessary [ x p w _ _ _ _ _ _ _ ]

Step 5 Press the X-BASS button. TEMP setting of EEPROM setting Step 6 Press the CD PLAY button. CONTROL setting of EEPROM setting

Confirmation of pickup laser power

It is possible to confirm in the record/playback mode with the aid of laser power meter. However, since the laser power meter measurement is characterized with dispersion, obtained data are used only for confirmation. Reference data (at room temperature 25°C) Playback: 0.72±0.1 mW Record: 5.5±0.5 mW Note: Never see directly the laser light. Otherwise your eyes are injured.

2. AUTO pre-adjustment mode (Low reflection disc only)

With the pre-adjustment disc (MMD-318)

Step No. Setting Method Display

Step 1 Test mode STOP state [ t s m 1 A e ] Step 2 Step 3 Press the MD PLAY button. • During automatic adjustment changes as follows. [ : _ _ _ _ _ _ ]

Step 4 Grating adjustment, [ _ C O M P L E T E _ ]

Step 5 Adjustment value output [ C a n ' t _ A D J . ]

Press once the EQUALIZER button.

End of adjustment If adjustment is OK, Step 4.

adjustment value output Press once the MD STOP button.

Press once the MD STOP button.

Setting Method

Remarks Display

for the service.

Remarks

AUTO pre-adjustment menu [ _ A U T _ Y O B I _ ]

HAo→ • • • • • • • • • →LAO

If adjustment is NG, Step 5.

STEP 2 AUTO pre-adjustment menu

• : Adjustment name

3. AUTO adjustment mode

Step No. Setting Method Remarks Display

Step 1 Test mode STOP state The AUTO preliminary adjustment should have been completed. [ t s m 1 A e ] Step 2 Step 3

Step 4 Adjustment value output For grating adjustment [ _ C O M P L E T E _ ]

Step 5 Continuous playback (pit section) Confirmation of CI error [ s c ]

Step 6 Press the DISPLAY button. Conformation of ADIP error [ a a ]

Step 7 Adjustment value output [ C a n ' t _ A D J . ]

Press the EQUALIZER button two times. Press the MD PLAY button.

End of adjustment If adjustment is OK, Step 4.

Press the MD PLAY button. STEP 5 Press the

Continuous playback (groove section)

Press the

MD STOP

button. STEP 2 AUTO adjustment

button. STEP 2 AUTO adjustment menu

AUTO adjustment menu [ A U T O _ A J S T _ ] The slide moves to the innermost periphery, and automatic [ : _ _ _ _ _ _ ]

adjustment is started.

• In case of high reflection disc changes as follows. PEG→HAG

• In case of low reflection disc changes as follows. PEG→LAG→GCG→GEG→LAG

If adjustment is NG, Step 7.

[ a c ]

• : Adjustment name, : Measurement value, : Address

– 21 –

MD-MX30H

4. AUTO FAB adjustment mode

Step No.

Step 1 Test mode STOP state The AUTO preliminary adjustment should have been completed. [ t s m 1 A e ] Step 2 Step 3 Step 4 Adjustment value output STEP 2 AUTO adjustment [ _ _ ]

• , , : Measurement value

5. EEPROM setting mode

A) Focus setting

Step No.

Step 1 Test mode STOP state [ t s m 1 A e ] Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 12 Step 13

Press the EQUALIZER button nine times. Press the MD PLAY button. Press the MD PLAY button. Press the Press the Press the Press the Press the Press the Press the Press the Press the

• : Setting value

B) Spin setting

Step No. Setting Method

Step 1 Test mode STOP state [ t s m 1 A e ] Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 12 Step 13 Step 14

• : Setting value

Setting Method

Press the EQUALIZER button three times. Press the MD PLAY button.

Press the

Press the EQUALIZER button nine times. Press the MD PLAY button. Press the Press the MD PLAY button. Press Press the Press the Press the Press the Press the Press the Press the Press the

MD STOP

Setting Method

EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER

EQUALIZER

the

EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER

button.

button. button. button. button. button. button. button. button. button.

button.

tton. button. button. button. button. button. button. button. button.

AUTO adjustment menu [ _ A U T _ F A B _ _ ] The slide moves to the innermost periphery, and automatic [F A B _ ]

[ E E P R O M_ S E T ] [ _ _ F o c u s _ _ _ ] [F G _ _ _ _ _ _ ] [F F 1 _ _ _ _ _ ] [F F 2 _ _ _ _ _ ] [F Z H L E V _ _ ] [F O K L E V n _ ] [F O K L E V f _ ] [F O K L P F n _ ] [F O K L P F f _ ] [W A I T f _ _ _ ] [D S C J G _ _ _ ]

[ E E P R O M_ S E T ] [ _ _ F o c u s _ _ _ ] [ _ S p i n d l e _ _ ] [S P G _ _ _ _ _ ] [S P G _ i n _ _ ] [S P G _ m i d _ ] [S P G _ o u t _ ] [S P 1 _ _ _ _ _ ] [S P 2 _ _ _ _ _ ] [S P 3 _ _ _ _ _ ] [S P 4 _ _ _ _ _ ] [S P 5 _ _ _ _ _ ] [S P D L M _ _ ]

Remarks Display

Display

C) Tracking setting

Step No.

Step 1 Test mode STOP state [ t s m 1 A e ] Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9

Setting Method

Press the EQUALIZER button nine times. Press the MD PLAY button. Press the

EQUALIZER Press the MD PLAY button. Press the Press the Press the Press the

EQUALIZER EQUALIZER EQUALIZER EQUALIZER

button two times.

button. button. button. button.

[ E E P R O M_ S E T ] [ _ _ F o c u s _ _ _ ] [ _ T r a c k i n g _ ] [T G _ _ _ _ _ _ ] [T F 1 _ _ _ _ _ ] [T F 2 _ _ _ _ _ ] [S V C N T 4 _ _ ] [T R B L V o _ _ ]

Display

– 22 –

C) Tracking setting

Step No. Setting Method

Step 10 Step 11 Step 12 Step 13 Step 14 Step 15 Step 16 Step 17 Step 18 Step 19 Step 20 Step 21

Press he Press the Press the Press the Press the Press the Press the Press the Press the Press the Press the Press the

EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER

button. button. button. button. button. button. button. button. button. button. button. button.

Display

[[T R B L V t _ _ ] [T R K L V o _ _ ] [T R K L V t _ _ ] [T D P W o _ _ _ ] [T D P W t _ _ _ ] [S L C T o _ _ _ ] [S L C T t _ _ _ ] [S L C T m _ _ _ ] [T C R S C 1 P _ ] [C O T L V p _ _ ] [C O T L V r _ _ ] [S L B K m _ _ _ ]

• : Setting value

D) Sled setting

Step No.

Step 1 Test mode STOP state [ t s m 1 A e ] Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11

Press the EQUALIZER button nine times. Press the MD PLAY button. Press the EQUALIZER button three times. Press the MD PLAY button. Press the Press the Press the Press the Press the Press the

Setting Method

EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER

button. button. button. button. button. button.

Display

[ E E P R O M_ S E T ] [ _ _ F o c u s _ _ _ ] [ _ _ _ S l e d _ _ _ ] [S L G _ _ _ _ _ ] [S L 2 _ _ _ _ _ ] [S L D L I M _ _ ] [S L D L E V _ _ ] [S L K L V k _ _ ] [S L K L V t _ _ ] [S L K L V m _ _ ]

• : Setting value

MD-MX30H

E) TEMP setting

Step No.

Step 1 EJECT state [ _ _ E J E C T _ _ _ ] Step 2 Press the X-BASS button. [ T E M P_ _ ]

Setting Method

Display

• : Setting value, : Measurement value

F) CONTROL setting

Step No.

Step 1 Test mode STOP state [ t s m 1 A e ] Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 12 Step 13 Step 14 Step 15 Step 16

Press the EQUALIZER button nine times. Press the MD PLAY button. Press the EQUALIZER button five times. Press the MD PLAY button. Press the Press the Press the Press the Press the Press the Press the Press the Press the Press the Press the

Setting Method

EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER

button. button. button. button. button. button. button. button. button. button. button.

Display

[ E E P R O M_ S E T ] [ _ _ F o c u s _ _ _ ] [ _ C o n t r o l _ _ ] [C O N T R L 1 _ ] [C O N T R L 2 _ ] [S P K L E V m _ ] [A D J T T M _ _ ] [H D E Q A D _ _ ] [L D E Q A D _ _ ] [G D E Q A D _ _ ] [H D E Q B D _ _ ] [L D E Q B D _ _ ] [G D E Q B D _ _ ] [H A L S G _ _ _ ] [L A L S G _ _ _ ]

– 23 –

MD-MX30H

Step No.

Step 17 Step 18 Step 19 Step 20

Setting Method

Press the Press the Press the Press the

EQUALIZER EQUALIZER EQUALIZER EQUALIZER

button. button. button. button.

Display

[G A L S G _ _ _ ] [H A L S O F S _ ] [L A L S O F S _ ] [G A L S O F S _ ]

• : Setting value

G) ADJUST setting

Step No. Setting Method

Step 1 Test mode STOP state [ t s m 1 A e ] Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 12

Press the EQUALIZER button nine times. Press the MD PLAY button. Press the EQUALIZER button six times. Press the MD PLAY button. Press the Press the Press the Press the Press the Press the Press the

EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER EQUALIZER

button. button. button. button. button. button. button.

Display

[ E E P R O M_ S E T ] [ _ _ F o c u s _ _ _ ] [A D J S E T _ _ _ _ ] [C O K _ _ _ _ _ ] [F A T _ _ _ _ _ ] [T A T _ _ _ _ _ ] [C A T _ _ _ _ _ ] [F A B _ _ _ _ _ ] [S T R _ _ _ _ _ ] [S F S _ _ _ _ _ ] [S T C _ _ _ _ _ ]

• : Setting value

6. TEST-PLAY mode

(For confirmation of the playback ability at the named address.)

Step No. Setting Method

Step 1 Test mode STOP state The AUTO preliminary adjustment should have been completed. [ t s m 1 A e ] Step 2 Press the X-BASS button. TEST-PLAY menu [ T E S T _ P L A Y _ ] Step 3 Press once the DISPLAY button. ADDRESS setting (Target address initial value is indicated) [ A D R E S _ 0 0 3 2 ]

Press once the MD PLAY button.

Step 4 Continuous playback (pit section) (Address + C1 error indication) [s c ]

Continuous playback (groove section)

Step 5 Press once the DISPLAY button. (Address + ADIP error indication) [a a ]

Continuous playback (groove section)

Step 6

• Whenever the X-BASS button is pressed in the address setting mode, the address changes as follows. 0 0 3 2 → 0 3 C 0 → 0 7 0 0 → 0 8 A 0 → 0 0 5 0 → 0 0 3 2 →

Press once the MD STOP button

(Address + C1 error indication) [a c ]

. TEST-PLAY menu [ T E S T _ P L A Y _ ]

Remarks

…………

Display

7. TEST-REC mode

With recording mini disk (For confirmation of the playback ability at the named address.)

Step No. Setting Method Remarks Display

Step 1 Test mode STOP state The AUTO preliminary adjustment should have been completed. [ t s m 1 A e ] Step 2 Press twice the X-BASS button. TEST-REC menu [ T E S T _ R E C _ _ ] Step 3 Press once the DISPLAY button. ADDERS setting (indication of address initial value) [ a 0 0 3 2 _ p w ] Step 4 Step 5

• Whenever the X-BASS button is pressed in the address setting mode, the address changes as follows. 0 0 3 2 → 0 3 C 0 → 0 7 0 0 → 0 8 A 0 → 0 0 5 0 → 0 0 3 2 →

Press once the MDPLAY button. Press once the MDSTOP button.

Continuous recording [ a _ p w ] TEST-REC menu [ T E S T _ R E C _ _ ]

…………

8. INNER mode

Step No.

Step 1 Test mode STOP state [ t s m 1 A e ] Step 2 Press the CD PLAY button. INNER menu [ _ _ I N N E R _ _ ] Step 3

Step 4

•

Press once the MD PLAY button.

Press once the MD STOP button.

: Address

Setting Method

Remarks Display

INNER switch position measurement [s c ] (SUBQ address and C1 error are also indicated.)

INNER menu [ _ _ I N N E R _ _ ]

– 24 –

MD-MX30H

Lead-in switch position measurement mode

Insert the high reflection test disk TGYS1. Note: Adjust the lead-in switch position within the range of FF85 FFD2.

1. Measure the lead-in switch position. Loosen the screw (A1) x 1 pc. which fixes the mechanism switch PWB.

2. When the lead-in switch is located FF85 or less, tighten the screw while pressing the PWB in the direction of the arrow A. When FFD2 or more, to direction B. Measure the lead-in switch position again. After position adjustment is completed, fix the PWB with the screw (A1) x 1 pc.(shown in Figure 25-1)

Magnetic head mounting position check

Check the mounting position whenever the magnetic head and the

•

optical pickup are replaced.

• Move the optical pickup to the center to adjust the position easily.

1. Set the adjusting transparent disc 3.

2. Press down the magnetic head up shift arm by hand to raise the magnetic head.

3. View the set from above to check whether the magnetic head aligns with the optical pickup objective lens.

4. Check that the magnetic head moves up and down smoothly.

(shown in Figure 25-2)

(A1) X1

Figure 25-1

Magnetic head

Tangential direction

Objective lens

Radiai

Head up- shift arm

Rotating the loading motor forcibly

The loading motor can be rotated forcibly by rotating the VOLUME UP/DOWN knob while STOP or EJECT in the test mode appears on the display.

Mechanism Adjustment

1. Optical pickup grating inspecting method

4Pin of IC1201

GND (TP1202)

6Pin of IC1201

EOUT (TP1129)

9Pin of IC1201

FOUT (TP1130)

100K

470p

100K

OSILLOSCOPE

GND CH1 CH2

LISSAJOUS'S WAVEFORM

Less than a:b = 4:1

Figure 25-3 Optical Pickup Grating Deviation

Measuring Method

After auto adjustment (COMPLETE appears) in the test mode (auto) using the high reflection MD disc TGYS1, adjust the Lissajou's waveform (x-y) of EOUT to FOUT.

1. Slightly loosen the 3 screws of the spindle motor, adjust while observing the Lissajou's waveform.

2. After adjustment, tighten screws 1, 2, and 3 in numerical order. (See Fig. 25-4.)

Figure 25-2

adjusting hole

Check the Lissajou's waveform, shifting the mounting position with a screwdriver (to be fitted into the disc motor adjusting hole).

– 25 –

Figure 25-4

MD-MX30H

EEPROM WRITING PROCEDURE

EEPROM (IC1402) writing procedure

1. Method for setting the reference temperature value

(This setting should be performed quickly at a room temperature, between 21°C and 29°C when the PWB is not hot.)

(1) When replacing the EEPROM, wait until it has cooled down. (2) Connect the main unit using the single MD main PWB. (3) Enter the test mode as shown on page 20.

"EJECT"

(4) Press the NORMAL button.

"TEMP "

:Measured temperature, : Temperature setting

(5) Find the temperature correction value for the current ambient

temperature on the following table. Adjust the temperature correction value using the VOLUME knob.

Ambient temperature correction

+ 21.0 °C ~ + 23.2 °C -1 H + 23.3 °C ~ + 26.8 °C ± 0 H + 26.9 °C ~ + 29.0 °C +1 H

An example: When ambient temperature is 22°C and measured

temperature is 7AH Temperature setting = 7A H - 01 H

= 79 H * When the measured temperature fluctuates between two values, take lower one (if temperature fluctuates between 7AH and 79H, take 79H).

(6) Press the MEMORY/ENTER button and write the temperature

setting into the EEPROM.

EEPROM DATA LIST (Version : 01) Focus setting

Item indication Setting

F G D A H F F 1 7 0 H F F 2 E 0 H F Z H L E V E D H F O K L E V n 0 8 H F O K L E V f 0 8 H F O K L P F n 0 0 H F O K L P F f 8 8 H W A I T f 0 1 H D S C J G 1 4 H

Spin setting

Item indication Setting

S P G 2 0 H S P G — i n B 8 H S P G — m i d 9 0 H S P G — o u t 7 0 H S P 1 1 0 H S P 2 9 3 H S P 3 E D H S P 4 E E H S P 5 2 0 H S P D L I M 7 F H

2. Method for making settings other than the reference temperature

(1) Install the MD main PWB in the mechanism, and connect it to

the main unit.

(2) Enter the test mode as shown on page 20, and insert a disc.

"AUT YOBI"

(3) Press the EQALIZER button eight times.

"EEPROM SET"

(4) Set the value according to the EEPROM DATA LIST using the

VOLUME knob.

(5) Press the MEMORY/ENTER button, and the settings will be

written into the EEPROM.

(6) Enter the test mode again, perform an "AUTO YOBI sdjustment",

and write the results into the EEPROM.

Tracking setting

Item indication Setting

T G 6 B H T F 1 6 B H T F 2 E 0 H S V C N T 4 0 0 H T R B L V o 5 0 H T R B L V t 5 4 H T R K L V o 5 0 H T R K L V t 2 E H T D P W o 8 9 H T D P W t 1 A H S L C T o 0 0 H S L C T t 4 0 H S L C T m 5 3 H T C R S C I P 1 6 H C O T L V P 0 A H C O T L V r 1 C H S L B K m 0 8 H

– 26 –

MD-MX30H

Sled setting

Item indication Setting

S L G 3 B H S L 2 2 D H S L D L I M 7 F H S L D L E V 1 2 H S L K L V k 5 5 H S L K L V t 2 E H S L K L V m 5 5 H

ADJUST setting

Item indication Setting

C O K A 0 H F A T C 0 H T A T 3 E H C A T 2 0 H F A B 6 4 H S T R 0 A H S F S 0 D H S T C 0 D H

The FAB value changes after the FAB adjustment.

Control setting

Item indication Setting

C O N T R L 1 8 0 H C O N T R L 2 0 1 H S P K L E V m 2 6 H A D J T T M 1 4 H H D E Q A D 9 2 H L D E Q A D 8 F H G D E Q A D 8 D H M D E Q B C 8 C H L D E Q B C 8 F H G D E Q B C 8 D H H A L S G 1 1 H L A L S G 1 1 H G A L S G 1 1 H H A L S O F S F C H L A L S O F S 0 0 H G A L S O F S 0 0 H

From Optical Pickup Unit

From Magnetic Head

Extension PWB for service (RUNTK0532AFZZ) Fit the extension PWB for service to the mechanism

2Pin extension connector QCNWK0129AFZZ

From mechanism switch PWB

28Pin extension flat cable QCNWK0108AFZZ

MD MAIN PWB

6Pin extension flat cable QCNWK0130AFZZ

5Pin extension flat cable QCNWK0109AFZZ

Figure 27

– 27 –

MD-MX30H

MD error messages

EXPLANATION OF ERROR DISPLAY

Error message 'BLANK MD' 'Can't COPY' 'Can't EDIT' 'Can't REC'

'Can'tREAD*'

'DISC FULL' 'Er-MD80' 'Er-MD**'

'NAME FULL' 'NO DISC' 'NOT AUDIO' 'PLAY MD' 'PROTECTED'

'TEMP OVER' 'Can'tREAD*'

'TOC FULL' 'TOC FULL*' 'Er-MD41' 'NO SIGNAL' 'Can'tREAD*'

TOC FORM **

'Can'tWRITE' '? DISC' 'Can'tSTAMP' 'Tr.Protect'

Description Remarks No track is recorded on the disc Digital recording from a copy prohibited source Editing impossible Sound memory overflow while recording Impossible continuous SD writing Focus lead in time-over

Track search time-over

No free area available on the disc EEPROM readout check sum error Loading mechanism operation error

Characters exceeds limit (40) No MD is loaded Played track is not audio, Recording or editing on a playback-only MD Recording or editing on a recording protected MD (recordable) Detected ambient high temperature Cannot complete P-TOC information reading

No space available for recording or editing No space available for name information input Error in UTOC writing test Cannot synchronize signals while digital input recording Cannot complete U-TOC information reading

Error data disc is detected

Cannot complete UTOC writing normally Loaded MD is not for audio TNO number difference for name stamp function Editing track is in write protected mode

*: Details f: FOCUS ERR r: READ ERR s:

SEARCH TIME OVER

w: SD WRITE TIME OVER

**: Operation state (Error code) 1*:

Recording head fall

2*:

Recording head rise f*:EJECT It is written in the operation manual to ask for repairs if error occurs continuously.

Appears when no sound is detected

*: Details a:

SERVO ADJUSTMENT ERR f: FOCUS ERR s:

SEARCH TIME OVER

r: READ ERR

*: Sector number **: Error number

*: Details u: UTOC READ ERR *: Details L*: LOOP a_: ADDRESS ERR t_: FTNO>LTNO

CD error messages

Error message

`E-CD**

`E-CD**`

`NO DISC` `NO DISC`

Pick mechanism error

Tray error

Focus error IL time-over

Description Remarks

00: PICK MECHANISM ERRS 01:

PU-IN SW DETECTION NG 20: TRAY ERRS 21:

– 28 –

RDS (Radio Data System) OPERATION

RDS for new models MD-MX30H

We would like to inform and introduce “New RDS” built in MD-MX30H.

Programme Type/Traffic Information Search Button

Summary of New RDS

PTY Languages and CT & Date function are added to the current models.

RDS operation mode Operation

ASPM ASPM (Test mode) PTY(English) Display/Select/Search PTY(Languages) (Display/Select/Search)

EON

PTY

English Languages

AF PS

PTY(English)

DISPLAY

PTY(8 Languages) RT

CT STATION SELECT RADIO TEXT PTYI CT & DATE

Newly added

MD-MX30H

Station Selector Button

Display Mode Button

Auto Station Programme Memory Button

EON Button

RDS Feature and Operation for MD-MX30H

Relation between RDS feature and operation mode is summarized as follows.

1. RDS Function

Newly changed

New New

PTY

EON-Ti

EON-PTY

EON-AF

TP TA RT

PTYI

ECC

ASPM STATION (NAME/SELECT) PTY DISPLAY/ PTY SELECT/SEARCH (including PTY Languages)

EON-Ti/PTY (SELECT) (including PTY Languages) IND. IND. RADIO TEXT IND. Dynamic PTY indicator PTY Languages CT & DATE

– 29 –

MD-MX30H

2. DISPLA Y and Control buttons

(1)

Lights up when RDS station is received.

(2)

Lights up when RDS station with RT data is received. NEW

(3)

Lights up when TP data is received.

(4)

Lights up when TA data is received.

(5)

Lights up when Dynamic PTY station is received.

(6)

Lights up when RDS with EON data station is received.

(7)

PTY lights up during EON-PTY stand-by mode, and blinks while receiving ON station.

(8)

Ti lights up during EON-Ti stand-by mode, and blinks while receiving ON station.

10 characters can be displayed according to EBU E1 Table.

4 kinds of combination

(1) (2) (3) (4) (5) (6) (7) (8)

STATION NAME

PTY Languages(NEW)

PTY English

RADIO TEXT

CT & Date(NEW)

Frequency

PTY TI PRE SET

ASPM DISPLAY MODE PTY TI

(main unit,buttons)

SET EON

Stand-by

(remocon,buttons)

JOG

PTY TI

SELECT

EON-TI/PTY

SELECT(32kind)

STATION

NAME SELECT

EON

uesd for

EON set Confirmation stand-by item Cancel(ON TN) EON clear cancel

STATION

uesd for

selecting station name

and direct receiving

– 30 –

+ 70 hidden pages