How to enter the factory mode, adjustments – JVC LT-26DB9BD, LT-26DA9BJ LCD TVs
JVC
LT-26DA9BU, LT-26DB9BD, LT-26DA9BJ, LT-26DA9BN, LT-26DC9BH, LT-26ED91U
INTEGRATED Digital terrestrial/satellite lCD television
Avoid
placing the unit under direct sunlight over a prolonged period of time. This
may cause the optical filter to deteriorate in quality and COLOUR.
This
TV can receive both DVB-T (Digital terrestrial broadcasting: DA9/DB9/EP9U
only), DVB-S(Digital satellite broadcasting: DB9 only), DVB-C(Digital cable
broadcasting: DH9 only) and Analogue terrestrial broadcasting.
PIXEL
FAULT
There
are three pixel faults - bright fault , dark fault and flicker fault.
BRIGHT
FAULT
In this pixel fault, a cell that should not light originally is lighting on and off.
For checking this pixel fault, input ALL BLACK SCREEN and find out the cell that is lighting on and off.DARK FAULT
In this pixel fault, a cell that should light originally is not lighting or lighting with the brightness twice as brighter as originally lighting.
For checking this pixel fault, input 100% of each R/G/B colour and find out the cell that is not lighting.FLICKER FAULT
In the pixel fault, a cell that should light originally or not light originally is flashing on and off.
For checking this pixel fault, input ALL BLACK SCREEN signal or 100% of each RGB colour and find out the cell that is flashing on and off.
In this pixel fault, a cell that should not light originally is lighting on and off.
For checking this pixel fault, input ALL BLACK SCREEN and find out the cell that is lighting on and off.DARK FAULT
In this pixel fault, a cell that should light originally is not lighting or lighting with the brightness twice as brighter as originally lighting.
For checking this pixel fault, input 100% of each R/G/B colour and find out the cell that is not lighting.FLICKER FAULT
In the pixel fault, a cell that should light originally or not light originally is flashing on and off.
For checking this pixel fault, input ALL BLACK SCREEN signal or 100% of each RGB colour and find out the cell that is flashing on and off.
MEMORY
IC REPLACEMENT PROCEDURE
This
model uses the memory IC.
This memory IC stores data for proper operation of the video and drive circuits.
When replacing, be sure to use an IC containing this (initial value) data.
This memory IC stores data for proper operation of the video and drive circuits.
When replacing, be sure to use an IC containing this (initial value) data.
Power
off
1. Switch off the power and disconnect the power plug from the AC outlet.
2. Replace the memory IC
Be sure to use the memory IC written with the initial setting values.
3. Power on
Connect the power plug to the AC outlet and switch on the power.
4. Receiving channel setting
Refer to the OPERATING INSTRUCTIONS and set the receive channels (Channels Preset) as described.
5. User setting
Check the user setting items according to the given in page later. Where these do not agree, refer to the OPERATING INSTRUCTIONS and set the items as described.
6. FACTORY MODE setting
Verify what to set in the FACTORY MODE, and set whatever is necessary.
1. Switch off the power and disconnect the power plug from the AC outlet.
2. Replace the memory IC
Be sure to use the memory IC written with the initial setting values.
3. Power on
Connect the power plug to the AC outlet and switch on the power.
4. Receiving channel setting
Refer to the OPERATING INSTRUCTIONS and set the receive channels (Channels Preset) as described.
5. User setting
Check the user setting items according to the given in page later. Where these do not agree, refer to the OPERATING INSTRUCTIONS and set the items as described.
6. FACTORY MODE setting
Verify what to set in the FACTORY MODE, and set whatever is necessary.
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.
(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.
Unless
otherwise specified in the adjustment items, preset the following functions
with the REMOTE CONTROL UNIT.
VIDEO
CIRCUIT: WHITE BALANCE adjustment.
Press
[INFORMATION] key and [MUTING] key on the remote control unit simultaneously to
enter the FACTORY MODE SCREEN-1.
Press [►] key on the remote control unit simultaneously to enter the FACTORY
MODE SCREEN-2.
Press
the [OK] key to exit the factory mode.
FUNCTION
▲/▼ key.
For
scrolling up / down the setting items, FUNCTION ◄/► key.
CHANGE
OF SETTING VALUE (DATA): FUNCTION ◄/► key.
For scrolling up / down the setting values.
MEMORY OF SETTING VALUE (DATA)
The setting value will be stored automatically when release the REMOTE CONTROL UNIT keys.
For scrolling up / down the setting values.
MEMORY OF SETTING VALUE (DATA)
The setting value will be stored automatically when release the REMOTE CONTROL UNIT keys.
