PANASONIC TC-17LA1 , TC-20LA1 SERVICE MODE
PANASONIC TC-17LA1 , TC-20LA1
SERVICE MODE
Self-check function
When phenomena like "the power fails from time to time" or "the video/audio fails from time to time" can not be confirmed at the time of servicing, the self-check function can be used to confirm the occurrence and to limit the scope for the defective circuits.Also, when "the power fails from time to time", display on the screen can be used to confirm the occurrence and to limit the scope for the defective circuits. Any programmed channels, channels caption data and some other user defined settings will be erased and return to factory setting.
SERVICE MODE
Access
Produce TV reception screen and, while pressing [VOLUME-] button on the main unit, press [SLEEP] button on the remote controller unit simultaneously.
When phenomena like "the power fails from time to time" or "the video/audio fails from time to time" can not be confirmed at the time of servicing, the self-check function can be used to confirm the occurrence and to limit the scope for the defective circuits.Also, when "the power fails from time to time", display on the screen can be used to confirm the occurrence and to limit the scope for the defective circuits. Any programmed channels, channels caption data and some other user defined settings will be erased and return to factory setting.
SERVICE MODE
Access
Produce TV reception screen and, while pressing [VOLUME-] button on the main unit, press [SLEEP] button on the remote controller unit simultaneously.
Exit
When one of the buttons for channel selection etc. is pressed, the display returns to the normal screen.
When one of the buttons for channel selection etc. is pressed, the display returns to the normal screen.
How to enter into adjustment mode
While pressing [VOLUME-] button of the main unit, press [RECALL] button of the remote control transmitter three times in a row (within 2 seconds).
Adjustment method.....Use the remote control.
“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
Cancellation
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.
While pressing [VOLUME-] button of the main unit, press [RECALL] button of the remote control transmitter three times in a row (within 2 seconds).
Adjustment method.....Use the remote control.
“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
Cancellation
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.
Flicker Adjustment
1. Enter the adjustment mode and select the " FLICKR".
2. Adjust the Flicker Adjustment until the flicker displayed on the screen is minimum.
Note:
Adjustment shall be done after it is made to overrun value of adjustment once as shown figure.
1. Enter the adjustment mode and select the " FLICKR".
2. Adjust the Flicker Adjustment until the flicker displayed on the screen is minimum.
Note:
Adjustment shall be done after it is made to overrun value of adjustment once as shown figure.
