JVC LCD LT series TV Service menu

JVC LCD LT-37DS6BJ TV Service mode

This JVC LCD service mode can use to for

JVC LCD LT-37DS6BJ/P

JVC LCD LT-37DS6FJ

JVC LCD LT-37M60BU, LT-37M60BU/P

JVC LCD LT-37M60ZU, LT-37M60ZU/P

JVC LCD LT-37S60BU

JVC LCD LT-37S60BU/P

1.1 JVC LCD LT-37DS6BJ TV Service mode  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.
1.2 PRESET SETTING BEFORE ADJUSTMENTS
Unless otherwise specified in the adjustment items, preset the following functions with the REMOTE CONTROL UNIT.
1.3 MEASURING INSTRUMENT AND FIXTURES
• Oscilloscope
• Signal generator (Pattern generator)
[PAL / 625i / 625p / 1125i(50Hz)]
• Remote control unit
1.4 JVC LCD LT-37DS6BJ TV Service mode  ADJUSTMENT ITEMS
VIDEO CIRCUIT
• 625i A-D OFFSET adjustment
• 1125i(50Hz) BRIGHTNESS adjustment
• 1125i(50Hz) A-D OFFSET adjustment
• SUB SCREEN A-D OFFSET adjustment
• WHITE BALANCE (HIGH LIGHT) adjustment
1.5 BASIC OPERATION OF SERVICE MODE
1.5.1 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.
(2) In the SERVICE MENU, press the [1] key to display ADJUSTMENT MODE SCREEN.

JVC LCD LT-37DS6BJ TV Service menu

Photo credit : www.uujcu.com

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.
• 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.