There are 2 ways of adjusting this TV : One is with the REMOTE CONTROL UNIT and the other is the conventional method using adjustment parts and components.
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.
Make sure that connection is correctly made AC to AC power source.
Turn on the power of the TV and measuring instruments for warning up for at least 30 minutes before starting adjustments.
If the receive or input signal is not specified, use the most appropriate signal for adjustment.
Never touch the parts (such as variable resistors, transformers and condensers) not shown in the adjustment items of this service adjustment.
Preparation for adjustment. Unless otherwise specified in the adjustment items, preset the following functions with the REMOTE CONTROL UNIT.
MEASURING INSTRUMENT AND FIXTURES
• DC voltmeter (or digital voltmeter)
• Oscilloscope
• Signal generator (Pattern generator)
[NTSC / 525i / 525p / 750p / 1125i / DIGITAL]
• TV audio multiplex signal generator
• Remote control unit
ADJUSTMENT ITEMS
VIDEO CIRCUIT
• COMPONENT INPUT BLACK LEVEL adjustment
• COMPONENT INPUT A-D CONVERTER GAIN adjustment
• COMPONENT INPUT A-D CONVERTER OFFSET adjustment
• COMPOSITE INPUT BLACK LEVEL adjustment
• COMPOSITE INPUT A-D CONVERTER OFFSET adjustment
• SUB-SCREEN BLACK LEVEL adjustment
• SUB-SCREEN A-D CONVERTER GAIN adjustment
• WHITE BALANCE (HIGHLIGHT) adjustment
JVC LT-26WX84 TV Service Menu
Photo credit : inisdesign.com
JVC LT-26WX84 TV Service Menu
HOW TO ENTER THE JVC LT-26WX84 SERVICE MODE
NOTE:
Ensure that the cursor (arrow) of the User Menu screen is pointing at Picture Control.
Before entering the SERVICE MODE, confirm that the setting of TV / CATV switch of the REMOTE CONTROL UNIT is at the "TV" side and the setting of VCR / DVD switch is at the "VCR"
side. If the switches have not been properly set, you cannot enter the SERVICE MODE.
Set to 0 minutes using the [SLEEP TIMER] key.
Press the [VIDEO STATUS] key and [DISPLAY] key simultaneously, then enter the SERVICE MODE mode.
When the Main Menu is displayed, press any key of the [0]
to [9] key to enter the corresponding menu mode.
Press any of the [0] to [9] keys before the SERVICE MODE mode disappears.
Select the service item using the [ CH + ] / [ CH - ] key.
Set the value using the [ VOL + ] / [ VOL - ] key.
Press the [MUTING] key to save the value.
HOW TO EXIT THE JVC LT-26WX84 SERVICE MODE
Press the [ BACK ] key to exit the Service mode.
Universal Remote - Service Mode - TV Factory menu codes
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JVC LT-26WX84 TV Service Menu (All TV Service Menu Code)
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JVC LT-26WX84 TV Service Menu, JVC LT-26WX84 ADJUSTMENT PREPARATION
There are 2 ways of adjusting this TV : One is with the REMOTE CONTROL UNIT and the other is the conventional method using adjustment parts and components. Written on June 25, 2016