APEX - GB43HD09_GB51HD09_GB55HD09W_GB65HD09W _ SERVICE MODE _ SELF CHECK

TO ENTER SERVICE MODE

• Decrease the Volume to [0], by pressing Volume (-) button on the remote control.
• Press "Menu" on the front panel of the TV, while Pressing and Holding "Mute" button on the remote control.
• The letter "S" will be displayed on the upper left corner of the screen indicating that the TV is in Service Mode.

FUNCTION OF SERVICE MODE

MCU controls the operation of ICs via, IIC bus.  In the service mode, items are adjusted by the remote control.

• Press "PIP CH+" repeatedly to scan through the following menus.
• Press 'CH + / -  to select an item, and press "Vol + / Vol -"  button to adjsut.

There is no need to adjust this menu, since it has been adjusted in its optimum state at the factory.  

Any adjustment to this menu may cause the projection TV to work improperly.  Do these adjustments, only when it is necessary.

Menu - 1

Menu - 2

Menu - 3

Menu - 4

Menu - 5

The values in Menu - 2 to Menu - 5 are averages of definite values at factory.  Only adjust the values that are allowed to adjust, and do not change those are not allowed to do so.  

SELF CHECK

• Self check is used to check ICs and function modules of the projection TV.
• Press "PIP CH+" to display the following menu when in service mode.

"Error" instead of "OK" displays when something is wrong  with ICs.