- Press MUTE button once on Remote Control.
- Press MUTE button again to keep pressing.
- While pressing the MUTE button, press MENU button on TV set.
DISPLAYING THE ADJUSTMENT MENU
Press MENU button on TV.
KEY FUNCTION IN SERVICE MODE
- A single horizontal line ON/OFF: TV (ANT)/VIDEO button (on TV)
- Test signal selection : TV (ANT)/VIDEO button (on Remote)
- Selection of the adjustment items : Channel ▲/▼ (on TV or Remote)
- Change of the data value : Volume ▲/▼ (on TV or Remote)
- Adjustment menu mode ON/OFF : MENU button (on TV)
- Initialization of the memory (QA02) : RECALL+Channel button on TV ▲
- Initialization of the self diagnostic data: RECALL+Channel button on TV ▲
“GCUT”selection : 2 button
“BCUT”selection : 3 button
“CNTX”selection : 4 button
“COLC”selection : 5 button
“TNTC”selection : 6 button
Test audio signal ON/OFF (1kHz) : 8 button
Self diagnostic display ON/OFF : 9 button.
SELECTING THE ADJUSTING ITEMS
Every pressing of CHANNEL ▲button in the service mode
changes the adjustment items in the order of table. (▼button for reverse order)
ADJUSTING THE DATA
Pressing of VOLUME▲/▼ button will change the value of data
in the range from 00H to FFH. The variable range depends on the adjusting item.
EXIT FROM SERVICE MODE
Pressing POWER button to turn off the TV once.
INITIALIZATION OF MEMORY DATA OF QA02
After replacing QA02, the following initialization is
required.
- Enter the service mode, then select any register item.
- Press and hold the RECALL button on the Remote, then press the CHANNEL sbutton on the TV. The initialization of QA02 has been completed.
- Check the picture carefully. If necessary, adjust any adjustment item above.
- Perform “Programming Channel Memory” on the owner’s manual.
TEST SIGNAL SELECTION
Every pressing of TV/VIDEO button on the Remote Control in
the Service mode, changes the built-in test patterns on screen in the following
order.
Press “8” button while any built-in test pattern to on the
screen to output the 1 kHz sound. Press the button again to cut off the sound.
Note: If the video cable is connected to the VIDEO1 INPUT
jack, the built-in pattern signals are not displayed.
[The signals marked with [gray] are not usable to display in the Test signal
for some model.]
CLICK ON THE PICTURES TO ZOOM
SELF DIAGNOSTIC FUNCTION
Press “9”button on Remote Control during display of
adjustment menu in the service mode. The
diagnosis will begin to check if interface among IC’s are executed properly.
During diagnosis, the
following displays are shown.
The item marked with [GRAY] is not usable to display in the
SELF DIAGNOSTIC FUNCTION for some model.
DESIGN MODE
Select the Service mode.
- While pressing RECALL button on Remote and press MENU button on TV.
- Press MENU button on TV.
- When QA02 is initialized, items “OPT0”and “OPT1”of DESIGN MODE are set to the data of the representative model of this chassis family. Therefore, because ON-SCREEN specification remains in the state of the representative of model. This model is required to reset the data of items “OPT0”and “OPT1”
SELECTING THE ADJUSTING ITEMS
Every pressing of CHANNEL ▼ button in the design mode
changes the adjustment items. (▲button for reverse order)
ADJUSTING THE DATA
Pressing of VOLUME ▲/▼ button will change the value
of data.
ADJUSTING ITEMS AND DATA IN SERVICE MODE
ADJUSTING ITEMS AND DATA IN DESIGN MODE
