PANASONIC TX-28MD4 - TX-25MD4 - TX-21MD4 - EURO-4 CHASSIS – SERVICE MODE – ADJUSTMENTS
* Set the Bass to maximum position, set the Treble to minimum
position, press the F button followed by the volume down button on the customer
controls at the front of the TV and at the same time press the "INDEX" button on the
remote control, this will place the TV into the Service Mode.
* Press the RED / GREEN buttons to step up / down
through the functions.
* Press the YELLOW / BLUE buttons to alter the function
values.
* Press the STR button
after each adjustment has been made to store the required values.
* To exit the Service Mode, press the "N" button.
[This TV also has the option of using a Memory Pack which enables
you to copy the preset TV channels into the Memory Pack and then download them
onto this or any other EURO-4 TV set.]
TV to Memory Pack process
1 Plug the memory pack into the AV1 21 pin terminal at the back of the TV and switch the TV on.
2 Go into Service Mode as explained above. The screen will show : Program External>>TV.
1 Plug the memory pack into the AV1 21 pin terminal at the back of the TV and switch the TV on.
2 Go into Service Mode as explained above. The screen will show : Program External>>TV.
3 Press the BLUE button
on the remote control. The screen will
show : Program TV>>External.
4 Press the STR button
on the TV. The screen will show : Please Wait.
5 All the tuning information stored inside the TV will now be
transferred to the Memory Pack. This process will take 2-3 minutes to complete
and when finished the screen will show : Complete.
Memory Pack to TV process
* Plug the memory pack into the AV1 21 pin terminal at the back of
the TV and switch the TV on.
* Go into Service Mode as explained above. The screen will show : Program External>>TV.
* Go into Service Mode as explained above. The screen will show : Program External>>TV.
* Press the STR button
on the TV. The screen will show : Please Wait
All the tuning information stored inside the Memory Pack will now
be transferred to the TV. This process will take 2-3 minutes to complete and
when finished the screen will show : Complete.
The tuning information from the Memory Pack has now been copied
into the TV.
* To exit from the Service Mode press the "N" button.
* The process has now been completed and the Memory Pack can now be removed.
* To exit from the Service Mode press the "N" button.
* The process has now been completed and the Memory Pack can now be removed.
If an error occurs while using the Memory Pack the TV will detect
this and the screen will show : Error;
{If this happens then press the "N" button and repeat the process that was being used.
If the errors continue to occur then check the connectors between the TV and
the memory pack and check the 9V battery inside the memory pack.}
SELF CHECK
Self-check is used to automatically check the bus lines and
hexadecimal code of the TV set. To get into the Self-Check mode press the down (-/v) button on the customer controls
at the front of the set, at the same time pressing the STATUS button on the remote control, and the screen will show:
[If the CCU ports have been checked and found to be incorrect or
not located then " - - " will appear in place of "O.K.".]
ADJUSTMENT PROCEDURE
Additional information for Self-Check
feature
(Information in brackets {} refers to the TX-21MD4)
FACTORY SETTINGS
To return customer settings to factory settings and clear owner ID of all information input by the customer, enter Self-Check mode. Press the down (-/v) button on the customer controls at the front of the TV set, at the same time pressing the STATUS button on the remote control. To exit Self Check, switch off the TV set at the power button.
Self Check is also used to automatically check the bus lines and hexadecimal code of the TV set. If the CCU ports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.". For more in-depth TV diagnostics use the LUCI interface as listed below.
Service Aids
To aid in the service of our current chassis there are a number of Service Aids which have been made available.
(Information in brackets {} refers to the TX-21MD4)
FACTORY SETTINGS
To return customer settings to factory settings and clear owner ID of all information input by the customer, enter Self-Check mode. Press the down (-/v) button on the customer controls at the front of the TV set, at the same time pressing the STATUS button on the remote control. To exit Self Check, switch off the TV set at the power button.
Self Check is also used to automatically check the bus lines and hexadecimal code of the TV set. If the CCU ports have been checked and found to be incorrect or not located then " - - " will appear in place of "O.K.". For more in-depth TV diagnostics use the LUCI interface as listed below.
Service Aids
To aid in the service of our current chassis there are a number of Service Aids which have been made available.
• LUCI interface kit (Linked Utility Computer Interface) Part number: TZS6EZ002.
This contains interface and cables for connecting TV service connector and a PC as well as diagnostic software. As new models are introduced upgrade software will become available.
• VICI (Visual Interactive Computer Information): These C.D.’s contain multimedia documentation providing quick access to service information. Part No. TZS7EZ006 & TZS7EZ005
• TASMIN (Technically Advanced System for Multimedia Interactive Notes). As well as providing a first step towards more interactive training this product also achieves quick access to Technical Information.
NOTE: Self Check should only be
used when refurbishing the TV set and not during normal repair work.
SMPS SCHEMATIC
CLICK ON THE PICTURES TO MAGNIFY
Universal Remote Control Set-up codes to check with Panasonic Brand Televisions.[CRT, LCD & Plasma types]
0016 0032 0033 0049 0054 0075
0099 0101 0104 0107 0110 0119 0143 0151 0152 0161 0166 0207 0249 0304 0305 0306
0396 0420 0461 0611 0631 0633 0692
