Panasonic Plasma Television TX-P42X50E – how to enter service mode, LED
blinking codes, self check mode, sustain voltage adjustment, White
Balance adjustment
White balance adjustment
1. Enter the Service mode.
2. Receive the Analog-RF (except for no signal) or set CVBS/YUV/HDMI (no signal is available).
3. Select [WB-ADJ] by using [1] and [2] key in the remote controller.
4. Check that the colour balance and the viewing mode is the values written in table1 and 2.
5. [INNER PATTERN] is displayed by using [5] key by using [5] key in the remote controller.
6. Select [G-CUTOFF] by using the [3] and [4] key in the remote controller, and set the value to [80] by using the volume [+] and [-] key.
Also, [B-CUTOFF] and [R-CUTOFF] set to [80]
7. Set [G-DRIVE] value to the initial data (ex. D0).
8. Set the color analyzer and adjust color point to the values written in table1 by using [B DRIVE] and [R-DRIVE]
9. Increase RGB-DRIVE value so that the maximum drive value of one of R-DRIVE or G DRIVE or B-DRIVE should become [FF]
([ALL-DRIVE] set to [FF].)
Sustain
voltage adjustment
Vsus
selection
Caution:
When Plasma panel or A-board is replaced, Vsus should be set to LOW or HIGH.
Procedure
1. Go into main item [VSUS] in Service Mode. LOW or HIGH will be displayed.
2. Press [OK] button to go to TEST stage.
White pattern without On-Screen Display will be displayed during TEST and CONF stage. Press [5] button to display the On-Screen Display.
3. Press [VOL (-)] button to set to LOW.
4. In LOW setting
a. If no several dead pixel is visible remarkably in white pattern, press [3] button to go to CONF stage.
b. If the several dead pixels are visible remarkably in white pattern, Set to HIGH by press [VOL (+)] button. Press [3] button to go to CONF stage if the symptom is improved.
5. Press [OK] button in CONF stage to store LOW or HIGH.
6. Exit Service Mode by pressing [Power] button.
Note
Do not overwrite because data is written in Peaks-EEPROM after executing adjustment of V-SUS Voltage.
Caution:
When Plasma panel or A-board is replaced, Vsus should be set to LOW or HIGH.
Procedure
1. Go into main item [VSUS] in Service Mode. LOW or HIGH will be displayed.
2. Press [OK] button to go to TEST stage.
White pattern without On-Screen Display will be displayed during TEST and CONF stage. Press [5] button to display the On-Screen Display.
3. Press [VOL (-)] button to set to LOW.
4. In LOW setting
a. If no several dead pixel is visible remarkably in white pattern, press [3] button to go to CONF stage.
b. If the several dead pixels are visible remarkably in white pattern, Set to HIGH by press [VOL (+)] button. Press [3] button to go to CONF stage if the symptom is improved.
5. Press [OK] button in CONF stage to store LOW or HIGH.
6. Exit Service Mode by pressing [Power] button.
Note
Do not overwrite because data is written in Peaks-EEPROM after executing adjustment of V-SUS Voltage.
Power LED Blinking timing chart
Information of LED Flashing timing chart.
When an abnormality
has occurred the unit, the protection circuit operates and reset to the
standby mode. At this time, the defective block can be identified by
the number of blinks of the Power LED on the front panel of the unit.
Blinking
Times
|
Contents
|
Check
point
|
1
|
Panel
information SOS
PD Start SOS |
-
|
3
|
P+3.3V
SOS
|
A-Board
|
4
|
Power
SOS
|
PSS-Board
|
5
|
P+5V
SOS
|
A-Board
|
6
|
Driver
SOS1
(SN/PSS Energy recovery circuit) (A-SN FPC DET) |
SN-Board
PSS-Board A-SN FPC |
7
|
Driver
SOS2
(SN Connector DET) (SN Scan and Logic IC) |
SN-Board
|
8
|
Driver
SOS3
(PSS FPC DET) |
PSS-Board
PSS FPC |
9
|
Discharge
Control SOS
|
A-Board
|
10
|
SUB
5V SENSE SOS
SUB 3.3V SENSE SOS Tuner power SOS BE SOS |
A-Board
SN-Board PSS-Board |
12
|
Sound
SOS
|
A-Board
Speaker |
13
|
Emergency
SOS
|
A-Board
|
Check
of the IIC bus lines
Self-check indication only
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control for more than 3 seconds.
Self-check indication and forced to factory shipment setting:
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote control for more than 3 seconds.
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control for more than 3 seconds.
Self-check indication and forced to factory shipment setting:
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote control for more than 3 seconds.
Screen
display and Check Point
Confirm the parts if NG was displayed.
Confirm the parts if NG was displayed.
Exit
Disconnect the AC cord from wall outlet or switch off the power with [ Power ] button on the main unit.
Disconnect the AC cord from wall outlet or switch off the power with [ Power ] button on the main unit.
Data
Copy by SD Card
Purpose
(a) Board replacement (Copy the data when exchanging A-board):
When exchanging A-board, the data in original A-board can be copied to SD card and then copy to new A-board.
Purpose
(a) Board replacement (Copy the data when exchanging A-board):
When exchanging A-board, the data in original A-board can be copied to SD card and then copy to new A-board.
(b)
Hotel (Copy the data when installing a number of units in hotel or any
facility):
When installing a number of units in hotel or any facility, the data in master TV can be copied to SD card and then copy to other TVs.
When installing a number of units in hotel or any facility, the data in master TV can be copied to SD card and then copy to other TVs.
Preparation
Make pwd file as startup file for (a) or (b) in a empty SD card.
1. Insert a empty SD card to your PC.
2. Right-click a blank area in a SD card window, point to New, and then click text document. A new file is created by default (New Text Document.txt).
3. Right-click the new text document that you just created and select rename, and then change the name and extension of the file to the following file name for (a) or (b) and press ENTER.
File name
(a) For Board replacement : boardreplace.pwd
(b) For Hotel : hotel.pwd
Note
Make only one file to prevent the operation error.
No any other file should not be in SD card.
Make pwd file as startup file for (a) or (b) in a empty SD card.
1. Insert a empty SD card to your PC.
2. Right-click a blank area in a SD card window, point to New, and then click text document. A new file is created by default (New Text Document.txt).
3. Right-click the new text document that you just created and select rename, and then change the name and extension of the file to the following file name for (a) or (b) and press ENTER.
File name
(a) For Board replacement : boardreplace.pwd
(b) For Hotel : hotel.pwd
Note
Make only one file to prevent the operation error.
No any other file should not be in SD card.
Data
copy from SD Card to TV set
1. Turn on the TV set.
2. Insert SD card with Data to SD slot.
On-screen Display will be appeared according to the Data folder automatically.
3. Input a following password for (a) or (b) by using remote control.
(a) For Board replacement : 2771
(b) For Hotel : 4851
Data will be copied from SD card to TV set.
4. After the completion of copying to SD card, remove SD card from TV set.
(a) For Board replacement : Data will be deleted after copying (Limited one copy).
(b) For Hotel : Data will not be deleted and can be used for other TVs.
5. Turn off the TV set.
Note
1. Depending on the failure of boards, function of Data copy for board replacement does not work.
2. This function can be effective among the same model numbers.
1. Turn on the TV set.
2. Insert SD card with Data to SD slot.
On-screen Display will be appeared according to the Data folder automatically.
3. Input a following password for (a) or (b) by using remote control.
(a) For Board replacement : 2771
(b) For Hotel : 4851
Data will be copied from SD card to TV set.
4. After the completion of copying to SD card, remove SD card from TV set.
(a) For Board replacement : Data will be deleted after copying (Limited one copy).
(b) For Hotel : Data will not be deleted and can be used for other TVs.
5. Turn off the TV set.
Note
1. Depending on the failure of boards, function of Data copy for board replacement does not work.
2. This function can be effective among the same model numbers.
Data
copy from TV set to SD Card
1. Turn on the TV set.
2. Insert SD card with a startup file (pwd file) to SD slot.
On-screen Display will be appeared according to the startup file automatically.
3. Input a following password for (a) or (b) by using remote control.
(a) For Board replacement: 2770
(b) For Hotel : 4850
Data will be copied from TV set to SD card.
It takes around 2 to 6 minutes maximum for copying.
4. After the completion of copying to SD card, remove SD card from TV set.
5. Turn off the TV set.
Note:
Following new folder will be created in SD card for data from TV set.
(a) For Board replacement : user_setup
(b) For Hotel : hotel
1. Turn on the TV set.
2. Insert SD card with a startup file (pwd file) to SD slot.
On-screen Display will be appeared according to the startup file automatically.
3. Input a following password for (a) or (b) by using remote control.
(a) For Board replacement: 2770
(b) For Hotel : 4850
Data will be copied from TV set to SD card.
It takes around 2 to 6 minutes maximum for copying.
4. After the completion of copying to SD card, remove SD card from TV set.
5. Turn off the TV set.
Note:
Following new folder will be created in SD card for data from TV set.
(a) For Board replacement : user_setup
(b) For Hotel : hotel
Hotel mode
To restrict a function for hotels.
2. Access command to the Hotel mode setup menu
In order to display the Hotel mode setup menu:
While pressing [VOLUME (-)] button of the main unit, press [AV] button of the remote control three times within 2 seconds.
Then, the Hotel mode setup menu is displayed.
3. To exit the Hotel mode setup menu Disconnect AC power cord from wall outlet.
Service Mode
After exchange parts, check and adjust the contents of adjustment mode.
While pressing [VOLUME ( - )] button of the main unit, press [0] button of the remote control three times within 2 seconds.
Key command
[1] button...Main items Selection in forward direction
[2] button...Main items Selection in reverse direction
[3] button...Sub items Selection in forward direction
[4] button...Sub items Selection in reverse direction
[RED] button...All Sub items Selection in reverse direction
[GREEN] button...All Sub items Selection in forward direction
[VOL] button...Value of sub items change in forward direction ( + ), in reverse direction ( - )
How to exit
Switch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control.
Contents
of adjustment mode
* Value is shown as a hexadecimal number.
* Preset value differs depending on models.
* After entering the adjustment mode, take note of the value in each item before starting adjustment.
* Value is shown as a hexadecimal number.
* Preset value differs depending on models.
* After entering the adjustment mode, take note of the value in each item before starting adjustment.
Option
- Mirror
Picture can be reversed left and right or up and down.
00 : Default (Normal picture is displayed)
01 : Picture is reversed left and right.
02 : Picture is reversed up and down.
Picture can be reversed left and right or up and down.
00 : Default (Normal picture is displayed)
01 : Picture is reversed left and right.
02 : Picture is reversed up and down.
If
the defective symptom (e.g. Vertical bar or Horizontal bar) is moved by
selection of this mirror, the possible cause is in A-board.
Service tool mode
How to access
1. Select [SRV-TOOL] in Service Mode.
2. Press [OK] button on the remote control.
Display of SOS History
SOS History (Number of LED blinking) indication.
From left side; Last SOS, before Last, three occurrence before, 2nd occurrence after shipment, 1st occurrence after shipment.
This indication will be cleared by [Self-check indication and forced to factory shipment setting]
POWER ON Time, On/Off
Note : To display TIME/COUNT menu, highlight position, then press MUTE for 3 sec.
Time : Cumulative power on time, indicated hour : minute by decimal
On/Off : Number of On/Off switching by decimal
Note : This indication will not be cleared by either of the self-checks or any other command.
Exit
1. Disconnect the AC cord from wall outlet or switch off the power with [ Power ] button on the main unit.
DRV Check - USBHDD Check
1. Select [DRV Check - USBHDD Check] in Service Mode.