Key Function in the Service Mode
The following key entry during display of adjustment menu provides special functions.
Selecting the Adjusting Item
Every pressing of CH button in the service mode changes the adjustment items in the
order of table below. ( button for reverse order)
CAUTION: Never try to perform initialization unless you have changed the
memory IC.
Test signal selection
button (on remote control)
Selection of the adjustment items
CH (on TV or remote control)
Change of the data value
Volume +/- (on TV or remote control)
Adjustment menu mode ON/OFF MENU button (on TV)
Initialization of the memory (QA02)
CALL + CH button on TV
Reset the count of operating
protect circuit to "00"
CALL + CH button on TV
Turn off I2C bus communication
CALL + Volume + button on TV
"RCUT" selection 1 button
"GCUT" selection 2 button
"BCUT" selection 3 button
"CNTX" selection 4 button
"COLC" selection 5 button
"UVTT" selection 6 button
Automatic A/D Adjustment
(PC, Component, Composite (PAL, NTSC))
7 button
Self diagnostic display ON/OFF 9 button
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