1-16 (No.YA492)
SECTION 4
ADJUSTMENT
4.1
ADJUSTMENT PREPARATION
(1)
The adjustment using the REMOTE CONTROL UNIT is
made on the basis of the initial setting values. The
setting values which adjust the screen to the optimum
condition can be different from the initial setting
values.
(2) Make sure that connection is correctly made AC to AC
power source.
(3) Turn on the power of the TV and measuring instruments for
warming up for at least 30 minutes before starting
adjustments.
(4) If the receive or input signal is not specified, use the most
appropriate signal for adjustment.
(5) Never touch the parts (such as variable resistors,
transformers and condensers) not shown in the adjustment
items of this service adjustment.
4.2
PRESET SETTING BEFORE ADJUSTMENTS
Unless otherwise specified in the adjustment items, preset the
following functions with the REMOTE CONTROL UNIT.
4.3
MEASURING INSTRUMENT AND FIXTURES
• Signal generator (Pattern generator)[PAL]
• Remote control unit
4.4
ADJUSTMENT ITEMS
VIDEO CIRCUIT
• WHITE BALANCE (HIGH LIGHT) adjustment
4.5
BASIC OPERATION OF SERVICE MODE
4.5.1 SERVICE MODE SELECT KEY LOCATION
4.5.2 HOW TO ENTER THE SERVICE MODE
(1) Press
[INFORMATION]
key and
[MUTING]
key on the
remote control unit simultaneously to enter the SERVICE
MODE SCREEN. (Fig.1)
Fig.1
NOTE:
• As self check feature is not used in this TV,
"2.SELF_CHECK"
and
"4.OPTION"
cannot be selected
(screen display only).
• Before entering the SERVICE MODE, confirm that the
setting of VCR/TV/DVD switch is at the
"TV"
side. If the
switches have not been properly set, you cannot enter the
SERVICE MODE.”
4.5.3 HOW TO EXIT THE SERVICE MODE
Press the
[MENU]
key to exit the Service mode.
4.5.4 CHANGE AND MEMORY OF SETTING VALUE
SELECTION OF SETTING ITEM
•
[FUNCTION
/
]
key.
For scrolling up / down the setting items.
CHANGE OF SETTING VALUE (DATA)
•
[FUNCTION
/
]
key.
For scrolling up / down the setting values.
MEMORY OF SETTING VALUE (DATA)
Changed setting value is memorized by pressing
[MUTING]
key.
4.5.5 ADJUSTMENT MODE
This mode is used to adjust the VIDEO CIRCUIT.
4.5.5.1
HOW TO ENTER THE ADJUSTMENT MODE
When the SERVICE MENU SCREEN of SERVICE MODE is
displayed, press
[1]
key to enter the ADJUSTMENT MODE
(Fig.2).
NOTE:
• When a number key other than the
[1]
key is pressed in the
SERVICE MODE SCREEN, the other relevant screen may
be displayed.
This is not used in the adjustment procedure. Press the
[MENU]
key to return to the SERVICE MODE SCREEN.
Setting item
Settings position
PICTURE MODE
STANDARD
PICTURE adjustments
Centre
COLOUR TEMP.
NORMAL
FUNCTION
/
NUMBER
MUTING
INFORMATION
FUNCTION
/
MENU
VCR/TV/DVD
switch
SERVICE MODE SCREEN
Not used
(Display only)
SERVICE MENU
SERVICE MENU
1.ADJUST
1.ADJUST
2.SELF_CHECK
2.SELF_CHECK
3.I2C STOP
3.I2C STOP
4.OPTION
4.OPTION
