XOCECO LC27K6, Руководство по обслуживанию

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3
Instructions on adjusting and testing
PM5518(Video signal generator),K-7253(VGA signal generator),CA210(White balancer
2.1. Adjustment and calibration flow process
For adjustment and calibration flow process diagram, see figure 1
Figure 1
2.2 Adjustment and calibration of complete set
Connect different CPU board and analog board according to connection diagram 203-L27K60-01JL.
Put power supply on, see if the display is normal.
Method to enter factory menu: Continuously push “VOL+” “Mute” and “Video” keys to enter the
factory menu; select different items of adjustment and calibration, when the first line of each adjustment
item is in high brightness; push the “ENTER” key to select different adjustment item; push “ENTER” key
after the mode is selected with VGA input and select three color temperatures 6500K,9300K,12000K;
push “MENU” to quit the factory menu.
Check CPU and analog board
Combined test for general assembly
Preset before outgoing from factory
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
Input AV/S, HDTV signal and check various
functions under terminals
Input VGA signal (one format) and check if display is
normal in the state of PC and various functions (analog
quantity control, line/field center etc.)
Check accessories and then packing
Figure 1 Flow process of Adjustment and calibration