6
e. Enter the color temperature setup menu.
f. Adjust the RED OFFSET, GREEN OFFSET, BLUE OFFSET, until the third level color coordinate
(284, 299).
g. Adjust the RED GAIN, GREEN GAIN, BLUE GAIN, until the seventh level color coordinate (284,
299).
h. Repeat the f and g step, until the third and the seventh level color coordinate (284, 299).
i. Color temperature to cool.
j. Adjust the RED OFFSET, GREEN OFFSET, BLUE OFFSET, until the third level color coordinate
(270, 283).
k. Adjust the RED GAIN, GREEN GAIN, BLUE GAIN, until the seventh level color coordinate (270,
283).
l. Repeat the j and k step, until the third and the seventh level color coordinate (270, 283).
4 Performance check
4.1 TV terminal
Input the center signal source to RF terminal, enter searching menu
→
auto search, check if the
leak channel, half-auto search channel, fine tune, earphone and speaker are normal. Check the AV
OUT.
4.2 AV1/S/AV2 input terminals
Input AV1/S/AV2 signal source, check the picture and sound.
4.3 VGA terminal
Input the VGA signal (K7253 signal generator), separate input VGA format signal of table 1, check
the picture and sound
Table1 PC display format signal
No. Resolution
H-frequency(kHz)
V-frequency(Hz)
pixel clock pulse
frequency(MHz)
remark
1
720 x 400
31.47
70.08
25.17
DOS
2
640 x 480
31.50
60.00
25.18
DOS
3
640 x 480
37.90
72.00 31.50 Mac.(SOG)
4
640 x 480
37.50
75.00
31.50
VESA
5
640 x 480
43.30
85.00
36.00
VESA
6
800 x 600
35.16
56.25
36.00
VESA
7
800 x 600
37.90
60.00
40.00
VESA
8
800 x 600
46.90
75.00
49.50
VESA
9
800 x 600
48.08
72.19
50.00
VESA
10
832 x 624
49.00
74.00
57.27
Mac.(H+V)
11
1024 x 768
48.40
60.00
65.00
VESA
12
1024 x 768
56.50
70.00
75.00
VESA
13
1024 x 768
60.00
75.00
78.75
VESA
14
1280 x 1024
64.00
60
108.00
SXGA
15
1280 x 1024
80.00
75
135.00
SXGA
16
1600 x 1200
75.00
60
162.00
UXGA
4.4 YPbPr terminal
Input the YPbPr signal source (K7253 signal generator), separate input format signal in table of
