4
Figure 1. Adjustment and calibration procedure
B CUT and B DRV is fixed as 128. Adjust R G CUT,to make second degree of the color
coordinate as 270 283. Adjust R G DRV to set seventh degree of the color coordinate to 270
283. Adjust R G CUT and R G DRV again and again, until both of the two gray degrees are at
270 and 283.
2.4 Connect decoder board and push button board with the monitor board verified to be normal
(LC-30K9/LC40K9 power is as per connection diagram 203-L30K90-01JL whereas LC-22K9 is as
per 203-L22K90-01JL). After power on, observe if the display is normal.
Method to enter factory menu:
Continuously push key of “VOL+” “Mute”, “Video” to enter factory
menu. When the first line of each and every adjusting item is in the highest brightness push
Check if FLASH is written
Production of the main board and decoders on the line
Check Monitor board
Check decoders in media board
General assembly and combined calibration
Connect central signal source, check TV
functions (station skipping, analog quantity
control etc) . Check if the output of speaker
is normal
Input AV/S and HDTV signal and check
following functions of the terminals
Input VGA signal (one format), check if
display is normal under the PC status, and
functions (analog control), central of line and
field etc.
Check accessories, then packing
Summary of Contents for LC22K9
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