Adjustment - JVC LT-42R10BU/PP Service Manual

4.1 ADJUSTMENT PREPARATION
(1) This TV is adjusted by using REMOTE CONTROL UNIT.
(2) 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.
(3) Make sure that connection is correctly made AC to AC power source.
(4) Turn on the power of the TV and measuring instruments for warming up for at least 30 minutes before starting adjustments.
(5) If the receive or input signal is not specified, use the most appropriate signal for adjustment.
(6) 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.
Setting item
PICTURE MODE
PICTURE adjustments
COLOUR TEMP.
Colour Management
Picture Management
Smart Picture
Dynamic Backlight
Eco Sensor
4.3 MEASURING INSTRUMENT AND FIXTURES
• Signal generator (Pattern generator)[PAL]
• Remote control unit
4.4 ADJUSTMENT ITEMS
VIDEO CIRCUIT
• COLOUR DECODER adjustment
• WHITE BALANCE (HIGH LIGHT) adjustment
4.5 BASIC OPERATION OF SERVICE MODE
4.5.1 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.
SERVICE MODE SCREEN
Service Menu
1.Adjust
2.Self Check
3.I2C Stop
NOT USED
NOTE:
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."
1-16 (No.YA682<Rev.001>)
SECTION 4
ADJUSTMENT
Settings position
STANDARD
Centre
NORMAL
Off
Off
Off
Off
Off
Refer to SECTION 5
4.5.2 HOW TO EXIT THE SERVICE MODE
Press the [MENU] key to exit the Service mode.
4.5.3 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 [OK] key.
4.5.4 SERVICE MODE SELECT KEY LOCATION
MUTING
INFORMATION
FUNCTION
/
OK
FUNCTION
/