HCD-FLX5D and FLX7D are the
amplifier, DVD player, tape deck and tuner section in DHC-FLX5D and FLX7D.
DVD Mechanism Type:
CDM53N-DVBU14, Base Unit Name: DVBU14, Optical Traverse Unit Name: DBU-1
Continuous RMS power
output (reference)
Front speaker: 120 + 120 watts
(8 ohms at 1 kHz, 10% THD)
Sub woofer: 240 watts (8 ohms at 100 Hz, 10% THD)
DIN power output at stereo
mode (rated) 45 + 45 watts (8 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
Front speaker: 60 + 60 watts (8 ohms at 1 kHz, 10% THD)
Centre speaker: 60 watts (16 ohms at 1 kHz, 10% THD)
Rear speaker: 60 + 60 watts (8 ohms at 1 kHz, 10% THD)
Sub woofer: 100 watts (8 ohms at 100 Hz, 10% THD)
RELEASING THE DISC TRAY LOCK
The
disc tray lock function for the antitheft of an demonstration disc in the store
is equipped.
Releasing Procedure
Press
two buttons of Up (DVD) and [Stop] simultaneously for five seconds. The message
“UNLOCKED” is displayed and the tray is unlocked.
Note: When “LOCKED” is
displayed, the tray lock is not released by turning power on/off with the
[Power] button.
NOTE OF REPLACING THE MB BOARD
When
replacing the MB board, since the adjustment value is not set up correctly,
“Drive Auto Adjustment” can’t be performed.
In this case, initialize Memory in the following procedures.
Procedure:
1. Set the test mode.
2. Press the [2] key of the remote commander, and set the “DRIVE MANUAL
OPERATION”.
3. Press the [6] key of the remote commander, and set the “2-6, Memory Check”.
4. Press the [CLEAR] key of the remote commander, and initialize Memory.
DVD MECHANISM DECK SERVICE POSITION
In
checking the DVD mechanism deck section (CDM53N-DVBU14), prepare extension jig
(Part No. J-2501-103-A: 1.00 mm Pitch, 29 cores, Length 300 mm).
DSP/GC/MB/MC/REGULATOR AND VIDEO BOARDS SERVICE POSITION
IC501 SERVICE POSITION
Setting the clock
1 Turn on the system.
2 Press CLOCK/TIMER SET on the remote.
3 Press |<< or >>|repeatedly to set the hour.
4 Press ENTER on the remote.
5 Press |<<or >>|repeatedly to set the minutes
6 Press ENTER on the remote.
To adjust the clock
1 Press
CLOCK/TIMER SET on the remote.
2 Press |<< or |>>
repeatedly to select “CLOCK SET?”, then
press ENTER on the remote.
3 Do the same procedures as step
3 to 6 above.
Note
The
clock settings are canceled when you disconnect the power cord or if a power
failure occurs.
Cold reset
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 [Stop ], [DISPLAY], and [GROOVE] simultaneously.
2. The fluorescent indicator tube becomes blank instantaneously, and the set is
reset.
[TUNER STEP CHANGE]
(Except
FLX5D: Saudi Arabia/FLX7D: Saudi Arabia models)
A step of AM channels can be changed over between 9 kHz and 10 kHz.
Procedure
1.
Press the [Power] button to turn the power on.
2. Select the function “TUNER”, and press [TUNER/BAND] button to select the
BAND “AM”.
3. Press the [Power] button to turn the set OFF.
4. Press >>+ and [Power] 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.
[FUNCTION CHANGE MODE]
Select
either VIDEO or MD of the external function input.
Procedure:
1. Press the [Power] button to turn the power on.
2. Hold down [VIDEO (SAT)] button then press [Power] button, and release
[Power] button first in order not in switch off the set immediately.
The another function of the previous function is selected, the input level is
also changed and displayed “SAT” or “VIDEO”.
GC TEST MODE]
This
mode is used to check the software version, FL tube, LED, keyboard and VACS.
Procedure:
1. Press three buttons [Stop], [DISPLAY], and [EFFECT] simultaneously.
2. LEDs and fluorescent indicator tube are all turned on.
3. When you want to enter the software version display mode, press [GROOVE] .
The model number and destination are displayed.
4. Each time [GROOVE] is pressed, the display changes stating from MC version,
GC version, DP version, DVD version, CDDM, CDMA, CDMB, BDA, BDB, ST version, TA
version, TM version, TC version, in this order.
5. When [CD SYNC HI-DUB] is pressed while the version numbers are being
displayed except model number and destination, year, month and day of the
software creation appear. When [CD SYNC HI-DUB] is pressed again, the display returns
to the software version display. When [GROOVE] is pressed while year, month and
day of the software creation are being displayed, the year, month and day of
creation of the software versions are displayed in the same order of version display.
6. Press [EFFECT] button, and the key check mode is activated.
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 counter clockwise.
Each time the “CD DOOR LOCK DETECT” or “CD DOOR OPEN/CLOSE DETECT” switch is
turned on, “C” value increases.
Each time the “CASSETTE LID OPEN/CLOSE DETECT” switch is pressed, “T” value
increases.
8. Also when [GROOVE] 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 manner as step 1, or
disconnect the power cord.
MC TEST MODE]
This
mode is used to check operations of the respective sections
of Amplifier, Tuner, and Tape.
1. Entering the MC Test Mode
Procedure:
1. Press the [Power] button to turn the power on.
2. Press the three buttons of [Stop], [DISPLAY] and [CD SYNC HIDUB]
simultaneously.
3. The segments blinks on the fluorescent indicator tube as bellow.
Releasing the MC Test Mode
Procedure:
1.
To release this mode, press the [Power] button.
2. The cold reset is enforced at the same time.
3. Check of Amplifier
Initial settings:
Input , DIGITAL
EQ , FLAT
Mode , MUSIC
VACS , OFF
Output channel setting:
Each
time the [EFFECT] button is pressed, output channels switch as following order.
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 turned counter clockwise 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 preset 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.
Tape Recording Test
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 (- <<)or (>>+) buttons during recording returns
the tape to the recording start position and stops it at this position.
5. Pressing the “High Speed Dubbing” key while playing back the tape of deck B
switches the playback speed between “Normal Speed” and “High Speed”.
Note:
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.
AMS Test Mode
Procedure:
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 >>| button 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.
ALC MODE
Procedure:
1.
Enter the MC Test Mode and press the [REC PAUSE/START] button 2 times to
recording start.
2. While pressing the |<< button, ALC is on. (normaly, ALC is off in
recording state.)
[DVD SHIP MODE (MEMORY CLEAR) ]
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 [Power] button to turn the power on.
2. Press three buttons Stop[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.
[DVD SHIP MODE (NO MEMORY CLEAR) ]
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 [Power] button to turn the power on.
2. Press the [DVD] and [Power] 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.
[VACS ON/OFF MODE]
This
mode is used to switch on or off the VACS (Variable Attenuation Control
System).
Procedure:
1. Press two buttons of >>|
and [A Up] 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”.
CD REPEAT 5 LIMIT OFF MODE]
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 [Power] 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”)
[DISC TRAY LOCK]
Procedure:
1.
Press the [Power] button to turn the power on.
2. Press the [DVD] button to select the function “DVD”.
3. Press two buttons of UP (DVD) and Stop simultaneously 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 UP (DVD) and Stop
simultaneously for five seconds again.
6. The message “UNLOCKED” is displayed and the tray is unlocked.
DVD Test Mode
The Test Mode allows you
to make diagnosis and adjustment easily using the remote commander and monitor
TV. The instructions, diagnostic results, etc. are given on the on-screen
display (OSD)
[TEST
DISC LIST]
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
Note: Do not use existing test
disc for DVD.
STARTING DVD TEST MODE]
1.
Press the [Power] button to turn the power on.
2. Select the function “DVD”.
3. Press the [Power] button to turn the power off.
4. While pressing the Stop button, press the UP (DVD) button and turn the [VOLUME] knob in the
clock wise.
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)
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 Power button and turn the power off.
Quit
Quit
the Syscon Diagnosis and return to the Test Mode Menu.
All
(All items continuous check)
This
menu checks all diagnostic items continuously. Normally, all
items are checked successively one after another automatically unless an error
is found, but at a certain item that requires judgment through a visual check
to the result, the following screen is displayed for the key entry.
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 displayed.
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.
General
Description of Checking Method
Selecting
2 and subsequent items calls the submenu screen of each item. And selecting 2
and subsequent items executes respectivemenus and outputs the results.
For the contents of each submenu, see “Check Items List” as below.
Check
Items List:
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
0-4. GP I/O Check
0-5. SD Bus Check
0-6. Video Check
0-7. Audio Check
Version
Revision
The revision number of ROM (IC204) that the program for the DVD system
processor (IC206) is stored.
(4 digits hexadecimal number)
ROM Check Sum
The revision number of ROM (IC204) that the program for the DVD system processor
(IC206) is stored.
Model Type
Model name is displayed. (DHC-FL5D or DHC-FL7D)
Region
Model destination code is displayed. (2 digits number)
EEPROM Check
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.
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.
0-4. GP I/O Check
Pull up/down setting check of the DVD system processor (IC206) pin 150,
151 and 154 (for clock setting port).
0-5. SD Bus Check
SD bus data check between DVD decoder (IC701) and MPEG DECODER (IC206).
0-6. Video Check
Output the color bars for video level adjustment.
0-7. Audio Check
Output the test signal (1kHz sine wave) for 2 CH test.
DRIVE AUTO ADJUSTMENT
On
the Test Mode Menu screen, press the [1] key on the remote commander, and the
Adjustment Menu will be displayed.
Normally, [10/0] is
selected to adjust DVD (single layer), CD and
DVD (dual layer) in this order. But, individual items can be adjusted for the
case where adjustment is suspended due to an error.
In this mode, the adjustment can be made easily through the operation following
the message displayed on the screen.
The disc used for adjustment must be the one specified for adjustment.
1-0. ALL
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 adjustment by pressing
the [RETURN] button on the remote commander.
Note: During adjustment of each
disc, the measurement for disc type judgment 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.
1-1. DVD-SL (single layer)
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.
1-2. CD
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.
1-3. DVD-DL (dual layer)
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.
Schematics and more details by the next post
No comments:
Post a Comment