Sony DAV-LF1 / HCD-LF1 Service Manual ▷ View online
25
HCD-LF1
DVD SECTION
[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).
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):
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 exiting test disc for DVD.
[STARTING TEST MODE]
1. Press the TEST MODE key (S301) inside the product or the
RETURN O “R” button.
2. The message “DVD Service” is displayed.
3. Press the ENTER “R” button while the message “DVD
3. Press the ENTER “R” button while the message “DVD
Service” is being displayed. The message “DVD Service On”
is displayed.
is displayed.
4. Press the ENTER “R” button while the message “DVD
Service On” is being displayed. After a while, the message
“SERVICE IN” is displayed, 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)
“SERVICE IN” is displayed, 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)
5. To execute each function, select the desired menu and press
its number on the remote commander.
6. To release from test mode, press the ?/1 button and turn the
power off.
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 :DAV-LF1
Revision :x.xx
[OPERATING 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 0 “R” key on the remote
commander, and the following Check Menu will be displayed.
checked from the remote commander operation.
On the Test Mode Menu screen, press 0 “R” 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
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.
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
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 [ ] button to go to the next
item, or press the [ ] button to repeat the same operation again.
To quit the diagnosis and return to Check Menu screen, press the
RETURN
output, and therefore you must compare it with the specified value
for confirmation.
Following the message, press the [ ] button to go to the next
item, or press the [ ] button to repeat the same operation again.
To quit the diagnosis and return to Check Menu screen, press the
RETURN
O
“R” key on the remote commander to display Check
Menu.
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.
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.
> “R”
.“R”
### Syscon Diagnosis ###
Diag All Check
No.2 Version
2-2. Version
ROM Revision = X.XX
Press NEXT Key to Continue
Press PREV Key to Repeat
26
HCD-LF1
1. DRIVE AUTO ADJUSTMENT
On the Test Mode Menu screen, press the 1 “R” key on the remote
commander, and the Adjustment Menu will be displayed.
commander, and the Adjustment Menu will be displayed.
Normally, 0 “R” 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.
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 0 “R” 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 O “R” button on the remote com-
mander.
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 O “R” button on the remote com-
mander.
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.
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 “R” key on the remote commander and insert a DVD
single layer disc following the message. Then the adjustment will
be made through the steps below, then adjusted values will be written
to the EEPROM.
single layer disc following the message. Then the adjustment will
be made through the steps below, then adjusted values will be written
to the EEPROM.
DVD Single Layer Disc Adjustment Steps:
1.
Sled tilt reset
2.
Disc check memory SL
3.
Wait 300 msec
4.
Set disc type SL
5.
LD on
6.
Spindle start
7.
Wait 1 sec
8.
Focus servo on 0
9.
Auto track offset adjust
10. CLVA on
11. Wait 500 msec
12. Tracking on
13. Wait 1 sec
14. Sled on
15. Check CLV on
16. Auto LFO adjust
17. Auto focus offset adjust
18. Auto tilt position adjust
19. Auto focus gain adjust
20. Auto focus offset adjust
11. Wait 500 msec
12. Tracking on
13. Wait 1 sec
14. Sled on
15. Check CLV on
16. Auto LFO adjust
17. Auto focus offset adjust
18. Auto tilt position adjust
19. Auto focus gain adjust
20. Auto focus offset adjust
## Drive Auto Adjustment ##
Adjustment Menu
0. ALL
1. DVD-SL
2. CD
3. DVD-DL
Exit: RETURN
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
0-2-2. 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
0-3-2. Detail Check
0-4. GP I/O Check
0-5. SD Bus Check
0-6. Video Check
0-5. SD Bus Check
0-6. Video Check
0-2. Version
0-2-2.
Revision
The revision number of ROM (IC206) that the program
for the DVD system processor (IC207) is stored.
The revision number of ROM (IC206) that the program
for the DVD system processor (IC207) is stored.
0-2-3.
ROM Check Sum
The check sum of ROM (IC206) that the program for the
DVD system processor (IC207) is stored.
(4 digits hexadecimal number)
The check sum of ROM (IC206) that the program for the
DVD system processor (IC207) is stored.
(4 digits hexadecimal number)
0-2-4.
Model Type
Model name is displayed. (DAV-LF1)
0-2-5.
Region
Model destination code is displayed. (2 digits number)
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.
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.
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 (IC207)
pin 150, 151 and 154 (for clock setting port).
pin 150, 151 and 154 (for clock setting port).
0-5. SD Bus Check
SD bus data check between DVD decoder (IC701) and D-RAM
(IC706).
(IC706).
0-6. Video Check
Output the color bars for video level adjustment.
27
HCD-LF1
21.
EQ boost adjust
22.
Auto loop filter offset adjust
23.
Auto track gain adjust
Search Check
24. 32 track jump forward
25. 32 track jump reverse
26. 500 track jump forward
27. 500 track jump reverse
25. 32 track jump reverse
26. 500 track jump forward
27. 500 track jump reverse
28. All servo stop
29. EEP copy loop filter offset
29. EEP copy loop filter offset
1-2. CD
Press the 2 “R” key on the remote commander and insert a CD disc
following the message. Then the adjustment will be made through
the steps below, then adjusted values will be written to the EEPROM.
following the message. Then the adjustment will be made through
the steps below, then adjusted values will be written to the EEPROM.
CD Adjustment Steps
1.
Sled tilt rest
2.
Disc check memory CD
3.
Wait 500 msec
4.
Set disc type CD
5.
LD on
6.
Spindle start
7.
Wait 500 msec
8.
Focus servo on 0
9.
Auto track offset adjust
10. CLVA on
11. Wait 500 msec
12. Tracking on
13. (TC display start)
14. Wait 1 sec
15. Jitter display start
16. Sled ON
17. Check CLV on
18. Auto loop filter offset adjust
19. Auto focus offset adjust
20. Auto focus gain adjust
21. Auto focus offset adjust
22. EQ boost adjust
23. Auto LFO Adjust
24. Auto track gain adjust
Search Check
11. Wait 500 msec
12. Tracking on
13. (TC display start)
14. Wait 1 sec
15. Jitter display start
16. Sled ON
17. Check CLV on
18. Auto loop filter offset adjust
19. Auto focus offset adjust
20. Auto focus gain adjust
21. Auto focus offset adjust
22. EQ boost adjust
23. Auto LFO Adjust
24. Auto track gain adjust
Search Check
25. 32Tj forward
26. 32Tj reverse
27. 500Tj forward
28. 500Tj reverse
26. 32Tj reverse
27. 500Tj forward
28. 500Tj reverse
29. All servo stop
1-3. DVD-DL (dual layer)
Press the 3 “R” key on the remote commander and insert a DVD
dual layer disc following the message. Then the adjustment will be
made through the steps below, then adjusted values will be written
to the EEPROM.
dual layer disc following the message. Then the adjustment will be
made through the steps below, then adjusted values will be written
to the EEPROM.
DVD Dual Layer Disc Adjustment Steps:
1.
Sled tilt reset
2.
Disc check memory DL
3.
Wait 500 msec
4.
Set disc type DL
5.
LD on
6.
Spindle start
7.
Wait 1 sec
Layer 1 Adjust
8.
Focus servo on 0
9.
Auto track offset adjust
10. CLVA on
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 “R” 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.
commander, and the Operation Menu will be displayed. For the
manual operation, each servo on/off control and adjustment can be
executed manually.
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.
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.
## 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
11.
Wait 500 msec
12.
Tracking on
13.
Wait 500 msec
14.
Sled on
15.
Check CLV lock
16.
Auto loop filter offset adjust, Auto focus adjust
17.
Auto focus gain adjust
18.
Auto focus offset adjust
19.
EQ boost adjust
20.
Auto loop filter offset adjust
21.
Auto Track Gain Adjust
Search Check
22. 32 track jump forward
23. 32 track jump reverse
24. 500 track jump forward
25. 500 track jump reverse
23. 32 track jump reverse
24. 500 track jump forward
25. 500 track jump reverse
Layer 0 Adjust
26. Focus jump (L1
t L0)
27. Auto track offset adjust L0
28. CLVA on
29. Wait 500 msec
30. Tracking on
31. Wait 500 msec
32. Sled on
33. Check CLV lock
34. Auto focus filter offset adjust
35. Auto Focus Adjust
36. Auto focus gain adjust
37. Auto focus offset adjust
38. EQ boost adjust
39. Auto Loop Filter Offset
40. Auto track gain adjust
Search Check
28. CLVA on
29. Wait 500 msec
30. Tracking on
31. Wait 500 msec
32. Sled on
33. Check CLV lock
34. Auto focus filter offset adjust
35. Auto Focus Adjust
36. Auto focus gain adjust
37. Auto focus offset adjust
38. EQ boost adjust
39. Auto Loop Filter Offset
40. Auto track gain adjust
Search Check
41. 32 track jump forward
42. 32 track jump reverse
43. 500 track jump forward
44. 500 track jump reverse
42. 32 track jump reverse
43. 500 track jump forward
44. 500 track jump reverse
Layer Jump Check
45. Layer jump (L0
t L1)
46. Layer jump (L1
t L0)
47. All servo stop
28
HCD-LF1
FZC Count
: The number of times which focus zero cross points
of each layer when lens down.
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)
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.
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]: 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)
2-1-3. Disc Type CD
It sets up so that it may judge as a disc type of specification of the
disc with which the set was inserted.
disc with which the set was inserted.
[1]: CD disc (normal speed, 12 cm)
[2]: CD disc (double speed, 12 cm)
[3]: CD disc (normal speed, 8 cm)
[4]: CD disc (double speed, 8 cm)
[5]: CD-RW disc (normal speed, 12 cm)
[6]: CD-RW disc (double speed, 12 cm)
[7]: CD-RW disc (normal speed, 8 cm)
[8]: CD-RW disc (double speed, 8 cm)
[2]: CD disc (double speed, 12 cm)
[3]: CD disc (normal speed, 8 cm)
[4]: CD disc (double speed, 8 cm)
[5]: CD-RW disc (normal speed, 12 cm)
[6]: CD-RW disc (double speed, 12 cm)
[7]: CD-RW disc (normal speed, 8 cm)
[8]: CD-RW disc (double speed, 8 cm)
2-1-4. Disc Type Hybrid
It sets up so that it may judge as a disc type of specification of the
disc with which the set was inserted.
disc with which the set was inserted.
[1]: SACD Hybrid disc (SACD layer, 12 cm)
[2]: SACD Hybrid disc (CD layer, normal speed, 12 cm)
[3]: SACD Hybrid disc (CD layer, double speed, 12 cm)
[4]: SACD Hybrid disc (SACD layer, 8 cm)
[5]: SACD Hybrid disc (CD layer, normal speed, 8 cm)
[6]: SACD Hybrid disc (CD layer, double speed, 8 cm)
[2]: SACD Hybrid disc (CD layer, normal speed, 12 cm)
[3]: SACD Hybrid disc (CD layer, double speed, 12 cm)
[4]: SACD Hybrid disc (SACD layer, 8 cm)
[5]: SACD Hybrid disc (CD layer, normal speed, 8 cm)
[6]: SACD Hybrid disc (CD layer, double speed, 8 cm)
2-2. Servo Control
Note:
Be sure to perform the disc type setup before performing this item.
On this screen, the servo on/off control necessary for replay is
executed. Normally, turn on each servo from 1 sequentially and
when CLVA is turned on, the usual trace mode becomes active. In
the trace mode, DVD sector address or CD time code is displayed.
This is not displayed where the spindle is not locked.
The spindle could run overriding the control if the spindle system is
faulty or RF is not present. In such a case, do not operate CLVA.
executed. Normally, turn on each servo from 1 sequentially and
when CLVA is turned on, the usual trace mode becomes active. In
the trace mode, DVD sector address or CD time code is displayed.
This is not displayed where the spindle is not locked.
The spindle could run overriding the control if the spindle system is
faulty or RF is not present. In such a case, do not operate CLVA.
Servo Control
1.LD
off R.Sled FWD
2.Focus
off L.Sled REV
3.SPDL
off U.Sled Reset
4.CLVA
off D.Sled Limit
5.Trk.
off
6.Sled
off
7.Fcs.Srch
off
8.Fcs.OppL
off
0.All Servo Off
Exit: RETURN
Note:
1. Set correctly the disc type to be used on the Disc
Type screen.
2.
Type screen.
2.
In case of an alarm, immediately touch the
x
button
to stop the servo operation, and press the
+/1
button to turn the power off.
Basic operation:
(controllable from front panel or remote commander)
+/1
+/1
: Power OFF (release the Test Mode)
x
: Servo stop
A
: Stop and eject/Loading
RETURN O “R”
: Return to Operation Menu or Test
Mode Menu
Mode Menu
.
“R” ,
>
“ R”
: Transition between sub modes of
menu
menu
1 “R” to 9 “R” , 0 “R”
: Selection of menu items
Cursor
V “R” / v “R”
: Increase/Decrease in manually
adjusted value
adjusted value
2-1. Disc Type
2-1-1. Disc Type Auto Check
1) Press the 1 “R” key on the remote commander to display the
Disc Type Auto Check screen.
2) Insert a disc and press the ENTER “R” 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
: 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)
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.
disc surface and record surface when disc type
judging.
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
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
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