XOCECO LC-42R27, Service Manual

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3
2. The alignment flow chart (see below figure)
3. The unit adjustment
Enter factory menu method: press the SOURCE → 2 → 5 → 8 → 0 buttons one by one on the remote
control to factory menu. Press the MENU button to select item. Press the DSP button to exit the
factory menu.
Production of main board and analog board on the line.
Connect to central signal source; check if various
TV functions (station skipping, modulate quantity
control etc), check if the output of earphone and
speaker are normal.
Combined test for general assembly
Input AV/S signal and HDTV signal; check various
functions under AV/S terminal
Check accessories and then packing
Input VGA signal and check if display is normal in
the state of PC and various functions (analog
quantity control, line/field center etc.)
Check DDC, HDCP KEY and FLASH
Check CPU board and analog board
Input HDMI singal and check if display is normal in
the state of HDMI and various functions (sound
and analog quantity control).
Preset ex-factory