Panasonic PT47WX34J - 47" PROJECTION TV, Руководство по обслуживанию

Страница: 174 / 225

TXFQD04ESER1 for 56” is available through Matsushita/Panasonic Services
19. Service Mode (electronic controls)
This receiver has electronic technology using the IC bus concept. It performs as a control function
and it replaces many mechanical controls. Instead of adjusting mechanical controls individually, many
of the control functions are now performedby using “on screen display menu”. (The service
adjustment mode.)
NOTE:
It is suggested that the technician reads all the way through and understand the following procedure
for entering/exiting the service adjustment mode; then proceed with the instructions working with the
receiver. When becoming familiarwith the procedure, the flow chart for service mode may be used as
a quick guide.
19.1. Quick entry to service mode:
When minor adjustments need to be done to the electronic controls, the method for entering the
service mode without removal of the cabinet back is as follows, using the remote control:
1. Select SET-UP icon and select CABLE mode.
2. Select TIMER icon and set SLEEP time for 30 Min.
3. Press “ACTION” then VOL up to exit menus.
4. Tune to the Channel 124.
5. Adjust VOLUME to minimum (0).
6. Press VOL (decrease) on receiver. Red “CHK” appears in upper
corner.
To toggle between aging and service modes:
While the “CHK” is displayed on the left top corner of the CRT, pressing “ACTION” and “VOL” UP on
the TV simultaneously will toggle between the modes. Red “CHK” for servicemode and yellow “CHK”
for aging.
71