DOWNLOAD Sony DVP-NS955V Service Manual ↓ Size: 6.5 MB | Pages: 98 in PDF or view online for FREE

Model
DVP-NS955V
Pages
98
Size
6.5 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD
File
dvp-ns955v.pdf
Date

Sony DVP-NS955V Service Manual ▷ View online

5-6
DVP-NS955V
Pin No.
Pin name
Type Function
248
CRTPLP
Analog Output
Defect level filter capacitor connecting
249
RFGND
Ground
Ground pin for RF digital circuitry
250
CEQP
Analog Output
EQ offset loop capacitance
251
CEQN
Analog Output
EQ offset loop capacitance
252
OSP
Analog Output
RF  Offset cancellation capacitor connecting
253
OSN
Analog Output
RF  Offset cancellation capacitor connecting
254
RFGC
Analog Output
RF AGC loop capacitor conecting for DVD-ROM
255
IREF
Analog Input
Current reference input
256
AVDD3
Power
3.3V power pin for analog circuirtry
5-6E
6-1
DVP-NS955V
6-4.
MIRROR TIME ADJUSTMENT
To enter Mirror Time Adjustment, press 5 on the remote
commander. The screen will appear as below.
Mirr time Adjust Menu
1. CD MIRR time Check:
2. DVD MIRR time Check:
3. Threshold:
4. Save to EEPROM
5. Default set MIRR time
[Open] Tray open [Close] Tray close
-
 Return to previous menu
There are five main commands in the Mirr time Adjust menu as
shown in the figure above. The functions of each command are
described in the following page.
1. CD Mirr time Check
This command checks the Mirror time value for CD disc.
2. DVD Mirr time Check
This command checks the Mirror time value for DVD disc.
3. Threshold
This command displays the threshold value between CD and DVD
mirror time.
4. Save to EEPROM
This command saves an adjusted mirror time value to the EEPROM.
5. Default set MIRR time
This command will set CD and DVD mirror time to firmware default
value.
[Open] / [Close]
Pressing the [Open] / [Close] button controls the tray for disc change
during mirror time adjustment.
- Return to previous menu
Press - button to return to previous menu.
6-4-1.
EXECUTING MIRROR TIME ADJUSTMENT
In order to execute mirror time adjustment, the following standard
procedures must be followed.
(1)
In standby mode, press 
[TOP MENU]
[CLEAR]
,
[POWER]
 to enter Remocon Diagnosis Mode.
(2)
Select “2. Drive Manual Operation”.
Remocon Diagnosis Menu
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History Check
4. Version information
5. Video Level Adjustment
Model
:  DPX-xxxx_xx
IF-con
: Ver. x.xxx (xxxx)
Syscon
: Ver. x.xxx
6-1. GENERAL DESCRIPTION
The Mirror Time and IOP measurement allows you to make
diagnosis and adjustment simply by using the remote commander
and monitor TV. The instructions, diagnosis results, etc. are given
on the on screen display (OSD).
The Mirror Time and IOP measurement is required is such events
where servicing a DVD-Player includes changing the Base Unit
(BU). For each new BU to be used with a certain MB-117 board,
Mirror Time and IOP measurement need to be carried out.
6-2.
STARTING TEST MODE
Press the 
[TOP MENU]
[CLEAR]
[POWER]
 keys on the remote
commander in this order with the DVD player in standby mode.
The Test Mode starts, then the menu shown below will be
displayed on the TV screen.
Remocon Diagnosis Menu
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History
4. Version Information
5. Video Level Adjustment
Model Name : DPX-xxxx_xx
IF-con
: Ver. x.xxx (xxxx)
Syscon
: Ver. x.xxx
The menu above is the Remocon Diagnosis Menu screen which
consists of six main function. At the bottom of the menu screen,
the model name and IF-con version. To enter Mirror Time
Adjustment menu, press button 2 on the remote commander to
enter Drive Manual Operation menu. To exit from the Test Mode,
press the power button on the remote commander.
6-3.
DRIVE MANUAL OPERATION
The Drive Manual Operation menu consists of five main
function. By pressing 2 on the remote commander in the
Remocon Diagnosis Menu, the screen will appear as below.
Drive Manual Operation
1. Servo Control
2. Track/Layer Jump
3. Manual Adjustment
4. Tray Aging Mode
5. Mirr Time Adjust
0. Return to Top Menu
SECTION  6
TEST  MODE
6-2
DVP-NS955V
(3)
Select “5. MIRR time Adjust”.
Drive Manual Operation
1. Servo Control
2. Track/Layer Jump
3. Manual Adjustment
4. Tray Aging Mode
5. MIRR time Adjust
0. Return to Top Menu
(4)
Select “5. Default set MIRR time”.
MIRR time adjustment Menu
1. CD MIRR time Check:
2. DVD MIRR time Check:
3. Threshold:
4. Save to EEPROM:
5. Default set MIRR time:
[Open] Tray open [Close] Tray close
-
 Return to previous menu
(5)
Select “3. Threshold”.
(6)
Confirm the number. If it is 75, go to next step. If it is any
other value, return to step 4.
MIRR time adjustment Menu
1. CD MIRR time Check:
2. DVD MIRR time Check:
3. Threshold: 75
4. Save to EEPROM:
5. Default set MIRR time:
[Open] Tray open [Close] Tray close
-
 Return to previous menu
(7)
Push “Open/Close” key to eject tray.
(8)
Insert Test Disc HLX-504 into tray.
(9)
Push “Open/Close” key to close tray.
(10)
Push “2. DVD MIRR time Check”.
(11)
Wait for HEX number to display.
(12)
Confirm the number, if XX is 28 ~ 70, proceed with next
step. If no, return to 8.
MIRR time adjustment Menu
1. CD MIRR time Check:
2. DVD MIRR time Check:  xx  xx
3. Thereshold:
4. Save to EEPROM:
5. Default set MIRR time:
[Open] Tray open [Close] Tray close
-
 Return to previous menu
(13)
Push “4. Save to EEPROM”.
(14)
Confirm the same values are displayed. If it is not same,
return to step 7.
MIRR time adjustment Menu
1. CD MIRR time Check:
2. DVD MIRR time Check:  XX XX
3. Threshold:
4. Save to EEPROM:
5. Default set MIRR time:
[Open] Tray open [Close] Tray close
-
 Return to previous menu
(15)
Push “Open/Close” key to eject tray.
(16)
Take out HLX-504 and insert Test Disc YEDS-18 into
tray.
(17)
Push “Open/Close” key to close tray.
(18)
Push “1. CD MIRR time check”.
(19)
Wait for HEX number to display.
(20)
Confirm the number, if YY is 5A ~ E8, proceed with next
step. If no, return to 15.
MIRR time adjustment Menu
1. CD MIRR time Check:  yy  YY
2. DVD MIRR time Check:  XX  XX
3. Threshold:
4. Save to EEPROM:
5. Default set MIRR time:
[Open] Tray open [Close] Tray close
-
 Return to previous menu
(21)
Push “4. Save to EEPROM”.
(22)
Confirm the same values are displayed. If it is not the
same, return to step 15.
MIRR time adjustment Menu
1. CD MIRR time check:  YY  YY
2. DVD MIRR time check:  XX  XX
3. Threshold:
4. Save to EEPROM:
5. Default set MIRR time:
[Open] Tray open [Close] Tray close
-
 Return to previous menu
(23)
Push “Open/Close” key to eject tray.
(24)
Remove Test Disc YEDS-18 from tray.
(25)
Push “Open/Close” key to close tray.
(26)
Press “0” to return to the Drive Manual Operation menu.
(27)
Press “0” to return to the Remocon Diagnosis Menu.
(28)
Press power button to switch OFF set.
6-3
DVP-NS955V
6-5.
EXECUTING IOP MEASUREMENT
In order to execute mirror time adjustment, the following standard
procedures must be followed.
(1)
In standby mode, press 
[TOP MENU]
[CLEAR]
,
[POWER]
 to enter Remocon Diagnosis Mode.
Remocon Diagnosis Menu
0. External Chip Check
1. Servo Parameter Check
2. Drive Manual Operation
3. Emergency History Check
4. Version information
5. Video Level Adjustment
Model
: DPX-1790_UC2
IF-con  Ver
: 1.000 (5B84)
Syscon  Ver : 1.81
(2)
Select “2. Drive Manual Operation” by pressing the 2
key on the remote commander. The screen will appear as
below.
Drive Manual Operation
1. Servo Control
2. Track/Layer Jump
3. Manual Adjustment
4. Tray Aging Mode
5. MIRR time adjust
0. Return to top Menu
(3)
Select “3. Manual Adjustment” by pressing the 3 key on
the remote commander. The screen will appear as below.
Manual Adjust
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eg boost Adjust:
6. Iop:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
?  ?  Change Value
[RETURN] Return to previous menu
(4)
Select Iop by pressing 6 key on the remote commander.
(5)
Wait until a hexadecimal number appear.
Manual Adjust
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq Boost Adjust:
6. Iop. ED:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
Change Value
-
 Return to previous menu
(6)
Convert data from hexadecimal to decimal using conver-
sion table.
(9)
Press [RETURN] to return back to previous menu.
(10)
Press - to return to Top Menu and power OFF the DVD
Player.
6-6.
EMERGENCY HISTORY CHECK
Information of Emergency History.
(1)
In stanby mode, press 
[TOP MENU]
[CLEAR]
[POWER]
to enter Remocon Diagnosis Mode.
(2)
Select “3. Emergency History”.
Emg. History Check
Laser Hours
CD
999h
59min
DVD
999h
59min
1. 01 05 04 04
00 92 46 00
00 00 00 00
00 00 23 45
2. 02 02 01 01
00 A9 4B 00
00 00 00 00
00 00 23 45
[Next] Next Page [Prev] Prev Page
(3)
Laser Hours
DVD Laser ON time. (Total ON time)
CD Laser ON time. (Total ON time)
(4)
Emergency History
The history information from last “1” to “10” can be
scrolled with [NEXT] key or [PREV] key.
(5)
Error code
Example of Error code
1. 01 05 04 04
00 92 46 00
00 00 00 00
00 00 23 45
Page of 98
Display

Click on the first or last page to see other DVP-NS955V service manuals if exist.