Adjustment - Hitachi P50T01E Service Manual

5. Adjustment

Activating Adjustment Mode
Use the remote controller with the set turned on to activate adjustment mode.
Press the Programme Select button "1", "GREEN" and "YELLOW" colour button at the same time and hold for
more than 3 seconds.
The set displays adjustment mode.
Changing data and Selecting Adjustment code
When the set is in adjustment mode, the cursor
used as adjustment keys.
, buttons are used for selecting adjustment code.
, buttons are used for changing data values.
OK button is used for confirming data.
After finishing adjustments press, the RETURN button. Adjustment mode is released and the set
returns to normal condition.
Memory Initialise operation
NOTE: The execution of this function returns the adjustment codes to preset values, therefore, adjust-
ment data will be lost.
When performing MEMORY INITIALISE, the following items are not initialised.
• WHITE/BALANCE ADJUSTMENT DATA
• SUB CONTRAST ADJUSTMENT DATA
• CLANP OFFSET ADJUSTMENT DATA
However, the following items are initialised.
• OTHER ADJUSTMENT DATA
• FACTORY RESET ITEM
Procedure
(1) Enter Adjustment Mode.
(2) Select MEMORY INIT.
(3) Activate MEMORY INIT by pressing cursor "Right" button for more than 3 seconds.
(4) As for the whole Memory Initialise, the cyan screen becomes a green screen.
It becomes a red screen in the case of abnormality.
Checking accumulated time of panel.
Mentioned in the menu of the last item.
Factory Reset
After all of adjustments of the main chassis are finished, perform a FACTORY RESET.
Procedure
(1) Enter Adjustment Mode.
(2) Select FACT RESET.
(3) Activate FACT RESET by pressing cursor Right button for more than 3 seconds.
The unit is set to factory settings.
When flicker is present set contrast mode of picture menu to Normal and set Black enhancement
to off.
Caution: After upgrading software of the main microcomputer, display a teletext screen
and confirm whether a screen position is right.
If an indication point is unusual, adjust using the following method:
Procedure
(1) Enter Adjustment Mode.
(2) Select DEVICE.
(3) When indication is replaced, input a device number into DEVICE and press OK or [
Next, input an item number into ITEM and press OK or [
Lastly, change data by pressing [ ] or [ ] into DATA and press OK.
Continue input for the next DEVICE, then push [ ] after the DATA input.
Perform the above for the following items:
(If you make a mistake entering the input number, push RETURN to go to the previous step.)
DEVICE
9
16
P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
ITEM DATA
107 f8
4 b
, , , and OK buttons of the remote control may be
].
9
].