4
3. Flash writing programs
Flash write N5, N9, N13, N24
Flash write W24CXX.EXE to N13, N24 with self-made flash write tool on the line.
Note: software upgrade of N5 from socket X51
software upgrade of N9 from USB interface
software upgrade of N13, N24 from HDMI and VGA interface separately
Adjustment of main board and high frequency board
a) Connect the main board and high frequency board according the wiring diagram. Connect X402
(on main board) with IR board and insert the plug of power supply assy into X707, now the
indicator light of IR board is red.
b) Press POWER button on the remote control set, now the indicator light of IR board is blue.
c) Check if picture and sound are normal of all the channels, if STEREO/SAP can be identified
correctly. Check AV-OUT function: the picture and sound of AV-OUT should be the picture and
sound of the current channel at TV/AV1/S/AV2; the sound from AV-OUT should be the sound of
the current channel at the other signal source, while the picture don’t need to check.
4. Unit adjustment
4.1 Adjustment of unit connection
Turn on the TV and check if it is normal: display LOGO about 8 seconds later, display picture about
12 seconds later.
4.2 Aging
a) Turn on the TV, select TV channel without signal input.
b) Aging for an hour in the aging room.
4.3 ACD calibration and White balance adjustment (use CA210, VG849 generator)
Method of entering factory menu: enter “INPUT” menu, then press”2 5 8 0” one by one.
Note: Coordinate of cold color temperature 9300K is (X=283, Y=299), coordinate of warm color
temperature 6500K is (X=311, Y=329).
YPbPr channel (YPbPr1 or YPbPr2)
a) Input SMPTE COLOR BAR signal of 480P (TIMING:976, PATTERN:984)
b) Set brightness to 50; contrast to 50
c) Enter factory menu and perform “Calibration”
VGA channel
a) Input 16-level gray scale signal of the mode 800*600 @60 (TIMING:885, PATTERN:920)
b) Set brightness to 50; contrast to 50
c) Enter factory menu and perform “Calibration”
d) Select “color temperature” of “COOL”
e) Enter “color temperature setting” menu
f) Fix GREEN GAIN at 128, adjust RED GAIN, BLUE GAIN to set the
color coordinates
of
fourteenth level to (X=283, Y=299).
g) Set the
color coordinates
of warm color temperature (WARM) to (X=311, Y=329) using the
same method.
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