DOWNLOAD Sony DHC-FLX9W / HCD-FLX9W Service Manual ↓ Size: 12.54 MB | Pages: 127 in PDF or view online for FREE

Model
DHC-FLX9W HCD-FLX9W
Pages
127
Size
12.54 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
dhc-flx9w-hcd-flx9w.pdf
Date

Sony DHC-FLX9W / HCD-FLX9W Service Manual ▷ View online

25
HCD-DFLX9W
[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
I/
1
button to turn the power on.
2. Press the [DVD] and
I/
1
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
 
Z
 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
I
/1
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
I
/1
button to turn the power on.
2. Press the [DVD] button to select the function “DVD”.
3. Press two buttons of
Z
(DVD) and
x
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
Z
(DVD)
and
x
simultaneously for five seconds again.
6. The message “UNLOCKED” is displayed and the tray is
unlocked.
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 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 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.
4. 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
− 
m
or
M
 + 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.
5. 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.
6. 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
I/
1
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.
26
HCD-DFLX9W
[DVD  TEST  MODE  GENERAL  DESCRIPTION]
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
I
/1
button to turn the power on.
2. Select the function “DVD”.
3. Press the
I
/1
button to turn the power off.
4. While pressing the x button, press the
Z
(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)
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 xx
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.
[OPERATING  DVD  TEST  MODE]
0. SYSCON  DIAGNOSIS
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
0-0. Quit
Quit the Syscon Diagnosis and return to the Test Mode Menu.
0-1. 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.
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 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 respective
menus 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
27
HCD-DFLX9W
0-2. Version
0-2-2. Revision
The revision number of ROM (IC204) 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 (IC204) that the program for
the DVD system processor (IC206) is stored.
0-2-4. Model Type
Model name is displayed. (DHC-FL9W)
0-2-5. Region
Model destination code is displayed. (2 digits number)
0-3. EEPROM Check
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.
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.
1. DRIVE  AUTO  ADJUSTMENT
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 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.
28
HCD-DFLX9W
2-1. Disc Type
Disc Type
Disc Type Select
 1. Disc Type Auto Check
 2. Set Disc Type DVD
 3. Set Disc Type CD
 4. Set Disc Type Hybrid
Exit: RETURN
2-1-1. Disc Type Auto Check
1) Press the [1] key on the remote commander to display the Disc
Type Auto Check screen.
2) Insert a disc and press the [ENTER]  key on the remote
commander.
3) It judges the type of inserted disc automatically and displays
the disc type and so on as below.
Disc Type Auto Check
 Disc Type xx
 Layer
xx
 Mirr Time xx
 Mirr Count
xx
 FZC Count xx
 PI Reference
xx
 PI Peak
xx
 ENTER.Execute
Exit: RETURN
Disc Type
: CD, DVD or Hybrid (SACD)
Layer
: SINGLE, DUAL or HYBRID
Mirr Time
: Mirror  time of between disc surface and record
surface when disc type judgment. (hexadecimal
number)
Mirr Count : The number of times which mirror counts between
disc surface and record surface when disc type
judging.
FZC Count : The number of times which focus zero cross points
of each layer when lens down.
PI Reference : The average of PI reference voltage. (hexadecimal
number)
PI Peak
: PI peak level voltage. It performs only when disc
type judgment is successful. (hexadecimal number)
2-1-2. Disc Type DVD
It sets up so that it may judge as a disc type of specification of the
disc with which the set was inserted.
[1]: DVD single layer disc (12 cm)
[2]: DVD dual layer disc (0 layer, 12 cm)
[3]: DVD dual layer disc (1 layer, 12 cm)
[4]: DVD-RW disc (12 cm)
[5]: DVD single layer disc (8 cm)
[6]: DVD dual layer disc (0 layer, 8 cm)
[7]: DVD dual layer disc (1 layer, 8 cm)
[8]: DVD-RW disc (8 cm)
2. DRIVE  MANUAL  OPERATION
Note:
This mode is used for design, and not used in service fundamentally.
On the Test Mode Menu screen, press the [2] key on the remote
commander, and the Operation Menu will be displayed. For the
manual operation, each servo on/off control and adjustment can be
executed manually.
## Drive Manual Operation ##
Operation Menu
 1. Disc Type
 2. Servo Control
 3. Track/Layer Jump
 4. Non EEPROM Write Adjust
 5. EEPROM Write Adjust
 6. Memory Check
 7. Disc Check Memory
 8. Error Rate Display
 9. SACD Water Mark
Exit: RETURN
In using the manual operation menu, take care of the following
points. These commands do not provide protection, thus requiring
correct operation. The sector address or time code field is displayed
when a disc is loaded.
Note:
1.
Set correctly the disc type to be used on the Disc Type screen.
2.
In case of an alarm, exit the manual operation menu immediately
to stop the servo operation, and press the
I
/1
button to turn the
power off.
Basic operation:
(controllable from front panel or remote commander)
[POWER]
: Power OFF (release the Test Mode)
 
Z
: Stop and eject/Loading
[RETURN]
: Return to Operation Menu or Test Mode
Menu
 
PREV
 
.
 ,  
NEXT
 
>
: Transition between sub modes of menu
[1] to [9], [10/0]
: Selection of menu items
Cursor  o / O
: Increase/Decrease in manually adjusted
value
Page of 127
Display

Click on the first or last page to see other DHC-FLX9W / HCD-FLX9W service manuals if exist.