Toshiba 42AV554D, Service Manual

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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 MENU UP button in the service mode changes the adjustment items in
the order of table below. (MENU DOWN button for reverse order)
SETTING & ADJUSTING DATA
[ SERVICE MODE ]
ADJUSTING ITEMS AND DATA IN THE SERVICE MODE:
Note:
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 MENU (on remote control)
Change of the data value
Volume +/- (on TV)
or MENU RIGHT/LEFT (on remote control)
Adjustment menu mode ON/OFF MENU button (on TV)
Initialization of the memory (IC152) CALL + CH button on TV
Automatic A/D Adjustment
(Component, Composite (PAL, NTSC), RGB)
7 button
Self diagnostic display ON/OFF 9 button