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25

• The cold reset clears all data including preset data stored in the

RAM to initial conditions. Execute this mode when returning
the set to the customer.

Procedure:
1. Press three buttons 

[   ]

, 

[DISPLAY]

, and 

[DVD TOP MENU]

simultaneously.

2. The fluorescent indicator tube becomes blank instantaneously,

and the set is reset.

• A step of AM channels can be changed over between 9 kHz and

10 kHz.

Procedure:
1. Press the 

[I/   ]

 button to turn the power on.

2. Select the function “TUNER”, and press

 [TUNER/BAND]

  but-

ton to select the BAND “AM”.

3. Press the 

[I/   ]

 button to turn the set OFF.

4. Press

M

 + and 

[I/   ]

 buttons simultaneously, and the display

of fluorescent indicator tube changes to “AM 9 K Step” or “AM
10 K Step”, and thus the channel step is changed over.

• Select either VIDEO or MD of the external function input.
Procedure:
1. Press the 

[I/   ]

 button to turn the power on.

2. Hold down 

[MD $VIDEO%]

 button then press 

[I/   ]

 button, and

release  

[I/   ]

 button first in order not in switch off the set imme-

diately.
The another function of the previous function is selected, the
input level is also changed and displayed “MD” or “VIDEO”.

• This mode is used to check the software version, FL tube, LED,

keyboard and VACS.

Procedure:
1. Press three buttons  

[   ]

, 

[DISPLAY]

, and 

[DVD MENU]

 simul-

taneously.

2. LEDs and fluorescent indicator tube are all turned on.
3. When you want to enter the software version display mode,

press 

[DVD TOP MENU]

 . The model number and destination

are displayed.

4. Each time 

[DVD TOP MENU]

 is pressed, the display changes

stating from MC version, GC version, DP version, DVD ver-
sion, CDDM, CDMA, CDMB, BDA, BDB, ST version, TA
version, TM version, TC version, in this order, and returns to
the model number and destination display.

5. When 

[CD SYNC HI-DUB]

 is pressed while the version num-

bers are being displayed except model number and desti-
nation, year, month and day of the software creation ap-
pear. When 

[CD SYNC HI-DUB]

 is pressed again, the display

returns to the software version display. When 

[DVD TOP

MENU]

 is pressed while year, month and day of the software

creation are being displayed, the year, month and day of cre-
ation of the software versions are displayed in the same order
of version display.

6. Press 

[DVD MENU]

 button, and the key check mode is acti-

vated.

7. In the key check mode, the fluorescent indicator tube displays

“KXX V0 C  T”. Each time a button is pressed, “K” value
decreases.
However, once a button is pressed, it is no longer taken into
account.
“V” value increases like 1, 2, 3...if rotating 

[VOLUME]

 knob

in the clockwise, or it decreases like 0, 9, 8...if rotating in the
counterclockwise.
Each time the “CD DOOR LOCK DETECT” or “CD DOOR

x

1

1

1

1

1

1

OPEN/CLOSE DETECT” switch is turned on, “C” value in-
creases.
Each time the “CASSETTE LID OPEN/CLOSE DETECT”
switch is pressed, “T” value increases.

8. Also when 

[CD SYNC HI-DUB]

 is pressed after lighting of all

LEDs and fluorecsent indicator tube, value of VACS appears.

9. To exit from this mode, press three buttons in the same man-

ner as step 1, or disconnect the power cord.

• This mode is used to check operations of the respective sections

of Amplifier, Tuner, and Tape.

Procedure:
1. Press the 

[I/   ]

 button to turn the power on.

2. Press the three buttons of 

[   ]

, 

[DISPLAY]

 and 

[CD SYNC HI-

DUB]

 simultaneously.

3. The segments blinks on the fluorescent indicator tube as bel-

low. The input function is changed to GAME.

Procedure:
1. To release this mode, press the 

[I/   ]

 button.

2. The cold reset is enforced at the same time.

Input , DIGITAL
EQ

, FLAT

Mode , MUSIC
VACS , OFF

Volume check:
1. When the 

[VOLUME]

 knob is turned clockwise even slightly,

the sound volume increases to its maximum and a message
“VOLUME MAX” appears for two seconds, then the display
returns to the original display.

2. When the 

[VOLUME]

  knob is tuned counterclockwise even

slightly, the sound volume decreases to its minimum and a
message “VOLUME MIN” appears for two seconds, then the
display returns to the original display.

Tuner Function

1. In the test mode, the default-preset channel is called even when

the TUNER is selected and an attempt is made to call the pre-
set channel that has been stored in memory. (It means that the
memory is cleared)

2. The minimum, center and maximum frequency of each band

is set then.

x

x

1

DIGITAL

EFFECT

Blink

1

26

Procedure:
1. Enter the MC Test Mode.
2. Load tapes in both tape decks A and B.
3. Press the REC button to start recording.
4. Pressing the

– 

m

or

M

 +

buttons during recording returns

the tape to the recording start position and stops it at this posi-
tion.

5. Pressing the “High Speed Dubbing” key while playing back

the tape of deck B switches the playback speed between “Nor-
mal Speed” and “High Speed”.

When the playback direction of the tape is set to other than “ONY WAY”,
the restriction on the number of times playback which can be repeated
will be cleared.

1. Enter the MC Test Mode and press the 

[TAPE A/B]

 button to

set the TAPE function.

2. Insert a test tape AMS-110A or AMS-120 to deck A.
3. Press the 

[KARAOKE PON]

 key on the remote controller  to

enter the AMS test mode.

4. After a tape is rewound first, the FF AMS is checked, and the

mechanism is shut off after detecting the AMS signal the AMS
signal twice.

5. Then the REW AMS is checked and the mechanism is shut off

after detecting the AMS signal twice.

6. When the check is complete, a message of either OK or NG

appears.

• This mode moves the optical pick-up to the position durable to

vibration. Use this mode when returning the set to the customer
after repair.

Procedure:
1. Press the 

[I/   ]

 button to turn the power on.

2. Press  three  buttons

x

, 

[CD SYNC HI-DUB]

 and 

[DVD]

simultaneously.

3. After the “STANDBY” display blinks, a message “LOCK” is

displayed on the fluorescent indicator tube, and the CD ship
mode is set.

• This mode moves the optical pick-up to the position durable to

vibration. Use this mode when returning the set to the customer
after repair.

Procedure:
1. Press the 

[I/   ]

 button to turn the power on.

2. Press the 

[DVD]

 and 

[I/   ]

 buttons simultaneously.

3. After the “STANDBY” display blinks, a message “LOCK” is

displayed on the fluorescent indicator tube, and the CD ship
mode is set.

• This mode is used to switch on or off the VACS (Variable At-

tenuation Control System).

Procedure:
1. Press two buttons of 

>

and 

[B    ]

 for more  than 1 second

simultaneously.

2. When VACS is switch on, it displays “VACS OFF”.

When VACS is switch off, it displays “VACS O”.

1

1

1

Z

1

Number of repeat for CD playback is 5 times when the repeat
mode is “REPEAT”. This mode enables CD to repeat playback for
limitless times.
Procedure:
1. Press the 

[I/   ]

 button to turn the power on, and press the 

[DVD]

button to select the function “DVD”.

2. Press two buttons of

>

and 

[CD SYNC HI-DUB]

 for more

than 1 second simultaneously to enter the CD repeat 5 limit off
mode.

3. To release this mode, operate the cold reset. (Refer to the “MC

COLD RESET”)

Procedure:
1. Press the 

[I/   ]

 button to turn the power on.

2. Press the 

[DVD]

 button to select the function “DVD”.

3. Press two buttons of

Z

(DVD) and 

[DVD TOP MENU]

 simul-

taneously for five seconds.

4. The message “LOCKED” is displayed and the tray is locked.

(Even if exiting from this mode, the tray is still locked)

5. To exit from this mode, press two buttons of

Z

(DVD) and

[DVD TOP MENU]

 simultaneously for five seconds again.

6. The message “UNLOCKED” is displayed and the tray is un-

locked.

1

27

The Test Mode allows you to make diagnosis and adjustment eas-
ily using the remote commander and monitor TV. The instructions,
diagnostic results, etc. are given on the on-screen display (OSD).

Use the following test disc on test mode.
TDV-520CSO (DVD-SL): PART No. J-2501-236-A
LUV-P01 (CD):

PART No. 4-999-032-01

TDV-540C (DVD-DL):

PART No. J-2501-235-A

Do not use existing test disc for DVD.

1. Press the 

[I/   ]

 button to turn the power on.

2. Select the function “DVD”.
3. Press the 

[I/   ]

 button to turn the power off.

4. Press two buttons of

>

and 

[DVD TOP MENU]

  for more

than 1 second simultaneously.

5. It displays “SERVICE IN”  on the fluorescent indicator tube,

and displays the Test Mode Menu on the monitor screen as
follows. (At the bottom of the menu screen, the model name
and revision number are displayed)

Test Mode Menu

0. Syscon Diagnosis

1. Drive Auto Adjustment

2. Drive Manual Operation

3. Mecha Aging

4. Emergency History

5. Mecha Error History

6. Version Information

7. Video Level Adjustment

Exit: POWER Key

Model    :DHC-FLxx

Revision :x.xx

6.

To execute each function, select the desired menu and press its
number on the remote commander (RM-SFL7).

7.

To release from test mode, press the

I

/

1

button and turn the

power off.

The same contents as board detail check by serial interface can be
checked from the remote commander operation.
On the Test Mode Menu screen, press 

[10/0]

 key on the remote

commander, and the following Check Menu will be displayed.

### Syscon Diagnosis ###

Check Menu

0. Quit

1. All

2. Version

3. EEPROM

4. GPIO

5. SD Bus

6. Video

7. Audio

Quit the Syscon Diagnosis and return to the Test Mode Menu.

This menu checks all diagnostic items continuously. Normally, all
items are checked successively one after another automatically un-
less an error is found, but at a certain item that requires judgment
through a visual check to the result, the following screen is dis-
played for the key entry.

• Example display

### Syscon Diagnosis ###

Diag All Check

No.2 Version

2-3. ROM Check Sum

Check Sum = 2320

Press NEXT Key to Continue

Press PREV Key to Repeat

For the ROM Check, the check sum calculated by the Syscon is
output, and therefore you must compare it with the specified value
for confirmation.
Following the message, press the 

[NEXT        ]

 button to go to the

next item, or press the 

[PREV       ]

 button to repeat the same

operation again.
To quit the diagnosis and return to Check Menu screen, press the

[RETURN]

 key on the remote commander to display Check Menu.

• Error occurred

If an error occurred, the diagnosis is suspended and error is dis-
played.
Press the 

[RETURN]

  key on the remote commander to quit the

diagnosis, or press the 

[PREV       ]

 button to repeat the same

check where an error occurred, or press the 

[NEXT        ]

 button to

continue the check from the item next to faulty item.

Selecting 2 and subsequent items calls the submenu screen of each
item. And selecting 2 and subsequent items executes respective
menus and outputs the results.
For the contents of each submenu, see “Check Items List” as below.

0-2.

Version

0-2-1. All
0-2-2. Revision
0-2-3. ROM Check Sum
0-2-4. Model Type
0-2-5. Region

0-3.

EEPROM Check

0-3-1. Sampling Check
0-3-2. Detail Check

0-4.

GP I/O Check

0-5.

SD Bus Check

0-6.

Video Check

0-7.

Audio Check

>

.

>

.

1

1

28

0-2-2. Revision

The revision number of ROM (IC205 (TYPE A) or IC204
(TYPE B)) that the program for the DVD system processor
(IC206) is stored.
(4 digits hexadecimal number)

0-2-3. ROM Check Sum

The revision number of ROM (IC205 (TYPE A) or IC204
(TYPE B)) that the program for the DVD system processor
(IC206) is stored.

0-2-4. Model Type

Model name is displayed.

0-2-5. Region

Model destination code is displayed. (2 digits number)

0-3-1. Sampling Check

EEPROM check at every 64 words.
It compares read data with write data of each address. When
there are discrepancies between two data, it displays error.

0-3-2. Detail Check

EEPROM check at every 1 word.
It compares read data with write data of each address. When
there are discrepancies between two data, it displays error.

Pull up/down setting check of the DVD system processor (IC206)
pin 150, 151 and 154 (for clock setting port).

SD bus data check between DVD decoder (IC701) and MPEG
DECODER (IC206).

Output the color bars for video level adjustment.

Output the test signal (1kHz sine wave) for 2 CH test.

On the Test Mode Menu screen, press the 

[1]

 key on the remote

commander, and the Adjustment Menu will be displayed.

## Drive Auto Adjustment ##

Adjustment Menu

 0. ALL

 1. DVD-SL

 2. CD

 3. DVD-DL

Exit: RETURN

Normally, 

[10/0]

 is selected to adjust DVD (single layer), CD and

DVD (dual layer) in this order. But, individual items can be ad-
justed for the case where adjustment is suspended due to an error.
In this mode, the adjustment can be made easily through the op-
eration following the message displayed on the screen.
The disc used for adjustment must be the one specified for adjust-
ment.

Press the 

[10/0]

 key on the remote commander, and the servo set

data in EEPROM will be initialized. Then, 1. DVD-SL disc, 2. CD
disc and 3. DVD-DL disc are adjusted in this order.
Each time one disc was adjusted, it is ejected. Replace it with the
specified disc following the message. You can finish the adjust-
ment by pressing the 

[RETURN]

 button on the remote commander.

During adjustment of each disc, the measurement for disc type judg-
ment is made. As automatic adjustment does not judge the disc
type unlike conventional models, take care not to insert wrong type
discs. Also, do not give a shock during adjustment.

Press the [1] key on the remote commander and insert a DVD single
layer disc following the message. Then the adjustment will be made
through the steps, then adjusted values will be written to the
EEPROM.

Press the 

[2]

 key on the remote commander and insert a CD disc

following the message. Then the adjustment will be made through
the steps, then adjusted values will be written to the EEPROM.

Press the 

[3]

 key on the remote commander and insert a DVD dual

layer disc following the message. Then the adjustment will be made
through the steps, then adjusted values will be written to the
EEPROM.