Serviceman mode (Electronic Controls)
This Plasma Display television uses the I²C Bus circuitry to control functions and
replace many mechanical controls. Instead of adjusting mechanical controls
individually, many of the control functions are now performed by using “On
Screen Display Menu”. (The
Serviceman Adjustment Mode
.)
Note:
It is suggested that the technician reads all the way through and
understand the following procedure for Entering/Exiting the
Serviceman
Adjustment Mode
.
Entry to Serviceman Mode:
When minor adjustments need to be done to the electronic controls, the method
of entering the serviceman mode 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” twice to exit menus.
4. Tune to Channel 124.
5. Adjust VOLUME to minimum (0).
6. Press VOL down
on the receiver.
Red “CHK” appears in the upper left
corner of the screen.
7. Select an active station.
Note:
If more than 30 minutes are needed after the receiver is in the
SERVICEMAN mode, setting the TIMER back to NO can disable the Sleep
Timer.
Caution:
Prolonged display of patterns
WILL
cause an after image retention into
the panel.
The Plasma Display receiver is now in Serviceman Mode.
•
Press Power on the Remote
Control to display the
Serviceman Adjustment Menu.
•
Press Power again on the
Remote Control to exit the
Serviceman Adjustment Menu.
Figure 39
57
Summary of Contents for TH37PA20U - 37" SDTV PLASMA DISPLAY
Page 2: ...2 ...
Page 6: ...6 ...
Page 25: ...SC Board Explanation Figure 12 25 ...
Page 29: ...Figure 16 29 ...
Page 56: ...Test Point locations Figure 38 56 ...
Page 60: ...I2 C Menu Structure The values indicated in this flowchart are sampled data Figure 41 60 ...
