Panasonic DVD-S29GCS / DVD-S29GCU / DVD-S29GN / DVD-S29PLA / DVD-S29PL / DVD-S29EE / DVD-S29GCA / DVD-S29GC / DVD-S29GD / DVD-S29PX Service Manual ▷ View online
8.6. Sales demonstration lock function
This function prevents discs from being lost when the unit is used for sales demonstrations by disabling the disc eject function.
"LOC" is displayed on the unit, and ordinary operation is disabled.
"LOC" is displayed on the unit, and ordinary operation is disabled.
8.6.1. Setting
The sales demonstration lock is set by simultaneously pressing STOP button on the player and POWER button on the remote
control unit for 1 second or longer.
control unit for 1 second or longer.
8.6.2. Cancellation
The lock can be cancelled by the same procedure as used in setting. ("UNLOC" is displayed on cancellation. Disconnecting the
power cable from power outlet does not cancel the lock.)
power cable from power outlet does not cancel the lock.)
8.7. Handling After Completing Repairs
Use the following procedure after completing repairs.
8.7.1. Method
Confirm that the power is turned on:
1. Press the "OPEN/CLOSE" button to close the tray.
2. Press the "POWER" button to turn off the power.
3. Disconnect the power plug from the outlet.
8.7.2. Precautions
Do not disconnect the power plug from the outlet with the tray still open, then close the tray manually.
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DVD-S29GCS / DVD-S29GCU / DVD-S29GN / DVD-S29PLA / DVD-S29PL / DVD-S29EE / DVD-S29GCA / DVD-S29GC / DVD-S29GD / DVD-S29PX
9 Service Precautions
9.1. Recovery after the dvd player is repaired
·
When FROM or module P.C.B. is replaced, carry out the recovery processing to optimize the drive.
Playback the recovery disk to process the recovery automatically.
·
Recovery disc [Product number: RFKZD03R005] (RFKZD03R004 can not be recovered as a partial item.
So use the new recovery disc, RFKZD03R005.)
·
Performing recovery
1. Load the recovery disc RFKZD03R005 on to the player and run it.
2. Recovery is performed automatically. When it is finished, a message appears on the screen.
3. Remove the recovery disc.
4. Turn off the power.
Note:
This unit requires no initialization process carried out after the traditional DVD players were repaired.
When the recovery measures are taken, the customer setting will return to the factory setting as same as the procedure
described in item of "Initialization" in 8.5. is carried out. Write down the contents of the setting before recovery processing,and
reset the player.
described in item of "Initialization" in 8.5. is carried out. Write down the contents of the setting before recovery processing,and
reset the player.
9.2. Firmware version-up of the DVD player
·
The firmware of the DVD player may be renewed to improve the quality including operationability and playerbility to the
substandard discs.processing to optimize the drive.
substandard discs.processing to optimize the drive.
The recovery disc has also firmware version-up.
·
After version-up, recovery processing is executed automatically.
·
Part number of the recovery disc for version-up will be noticed when it is supplied.
·
Updating firmware
1. Load the recovery disc that is supplied to the player and run it.
2. Firmware version of the player is automatically checked. Appropriate message appears whenever necessary.
3. Using remote controller´s cursor key, select whether version updating is to be done or not. (Selection of Yes/No)
4. a. If Yes is selected, version updating is performed.
b. If No is selected, only recovery is performed.
5. a. When updating is finished, remove the disc according to the message appearing on the screen.
b. Remove the disc according to the message appearing on the screen.
6. Turn off the power.
Note:
If the AC power supply is shut out during version-up due to a power failure, the version-up is improperly carried out.
In such a case, replace the FROM and carry out the version-up again.
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DVD-S29GCS / DVD-S29GCU / DVD-S29GN / DVD-S29PLA / DVD-S29PL / DVD-S29EE / DVD-S29GCA / DVD-S29GC / DVD-S29GD / DVD-S29PX
10 ADJUSTMENT PROCEDURES
10.1. Service Tools and Equipment
Application
Name
Number
Tilt adjustment
DVD test disc
DVDT-S15 or DVDT-S01
TORX screw driver (T6)
Available
on
sales
route.
(T6)
or
RFKZ0185
Inspection
Extension cable (module P.C.B. to mother P.C.B.)
VUC8026
Extension cable (module P.C.B. to mother P.C.B.)
RFKZ0106
Others
Hanarl
VFK1784
Grease
RFKXPG641
Drysurf
RFKXGUD24
Confirmation
CD test disc
PVCD-K06 or any other commercially
available disc
available disc
VCD test disc
PVCD-K06 or any other commercially
available disc
available disc
Recovery disc
RFKZD03R005
10.2. Important points in adjustment
10.2.1. Important points in optical adjustment
·
Before starting optical adjustment, be sure to take anti-static measures.
·
Optical pickup tilt adjustment is needed after replacement of the following components.
1. Optical pickup unit
2. Spindle motor unit
3. Optical pickup peripheral parts (such as rail)
Notes
Adjustment is generally unnecessary after replacing other parts of the traverse unit. However, make adjustment if there is a
noticeable degradation in picture quality. Optical adjustments cannot be made inside the optical pickup. Adjustment isgenerally
unnecessary after replacing the traverse unit.
noticeable degradation in picture quality. Optical adjustments cannot be made inside the optical pickup. Adjustment isgenerally
unnecessary after replacing the traverse unit.
10.2.2. Important points in electrical adjustment
·
Follow the adjustment procedures described in this Manual.
10.3. Storing and Handling Test Discs
·
Surface precision is vital for DVD test discs. Be sure to store and handle them carefully.
1. Do not place discs directly onto the workbench, etc., after use.
2. Handle discs carefully in order to maintain their flatness. Place them into their case after use and store them vertically. Store
discs in a cool place where they are not exposed to direct sunlight or air from air conditioners.
3. Accurate adjustment will not be possible if the disc is warped when placed on a surface made of glass, etc. If this happens, use
a new test disc to make optical adjustments.
4. If adjustment is done using a warped disc, the adjustment will be incorrect and some discs will not be playable.
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DVD-S29GCS / DVD-S29GCU / DVD-S29GN / DVD-S29PLA / DVD-S29PL / DVD-S29EE / DVD-S29GCA / DVD-S29GC / DVD-S29GD / DVD-S29PX
10.4.1.1. Adjustment procedure
1. While pressing PAUSE and OPEN/CLOSE buttons on the
main unit, press "5" on the remote control unit.
2. Confirm that "J_xxx/yyy_zz" is shown on the front display.
For your information:
"yyy" and "zz" shown to the right have nothing to do with
the jitter value. "yyy" is the error counter, while "zz" is
the focus drive value.
the jitter value. "yyy" is the error counter, while "zz" is
the focus drive value.
Note:
Jitter value appears on the front display.
3. Play test disc T30 (central periphery).
4. Adjust tangential adjustment screw so that the jitter value is
minimized.
5. Play test disc T30 (central periphery).
6. Adjust tilt adjustment screw 1 so that the jitter value is
minimized.
7. Play test disc T30 (central periphery).
8. Adjust tilt adjustment screw 2 so that the jitter value is
minimized.
9. Repeat adjusting tilt adjustment screws 1 and 2 alternately
until the jitter value is minimized.
10. Finally please reproduce T01 (inner periphery) and T43
(outer periphery) and check the jitter value. (Please
readjust, when the jitter value is extremely different.)
readjust, when the jitter value is extremely different.)
10.4.1.2. Important points
1. Make tangential adjustment first, and then make tilt
adjustment.
2. Repeat adjusting two or three times to find the optimum
point.
3. Finish the procedure with tilt adjustment.
Jitter value depends on the model:
1.
1.
If the jitter value changes like B, the optimum point is easy to
find.
find.
2.
If the jitter value changes like A, set the optimum point near the
middle.
middle.
Note:
When FFC has covered the adjustment screw, please insert
a screwdriver, evading FFC(s).
a screwdriver, evading FFC(s).
10.4.1.3. Check after adjustment
Play test disc or any other disc to make sure there is no picture
degradation in the inner, middle and outer peripheries, and no
audio skipping. After adjustment is finished, lock each
adjustment screw in position using screw lock.
degradation in the inner, middle and outer peripheries, and no
audio skipping. After adjustment is finished, lock each
adjustment screw in position using screw lock.
10.4. Optical adjustment
10.4.1. Optical pickup tilt adjustment
Measurement point
Adjustment point
Mode
Disc
Tangential adjustment screw
Tilt adjustment screw
Tilt adjustment screw
T01 (inner periphery) play
T30 (central periphery) play
T43 (outer periphery) play
T30 (central periphery) play
T43 (outer periphery) play
DVDR-S15 or DVDT-S01
Measuring equipment
Adjustment value
None (Main unit display for servicing is used.)
Adjust to the minimum jitter value.
28
DVD-S29GCS / DVD-S29GCU / DVD-S29GN / DVD-S29PLA / DVD-S29PL / DVD-S29EE / DVD-S29GCA / DVD-S29GC / DVD-S29GD / DVD-S29PX
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