XOCECO LC-27FB18, Service Manual

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5
2 31.469 59.94 HDTV 480p
3 44.955 59.94 HDTV 720p
4 33.716 59.94 HDTV 1080i
4.4 VGA terminal
Input VGA signal (VG-849 signal generator), separate input VGA format signal of table 2 and check
if the picture and sound are normal. If the image is deflection of the H-field, select manual correction
of Advanced Video Menu.
4.5 HDMI terminal
HDMI signal format receives the three high-definition signals: 480I, 480P, 720P/60Hz, 1080I/60Hz,
except for the table 2 signal. Check if the image (contain HDCP ON and OFF) and sound are
normal.
Table 2 VGA signal format
No Resolution H-frequency(kHz) V-frenquency(Hz)
Point clock pulse
frenquency(MHz)
Remark
1 720 X 400 31.469 70.086 28.322 IBM
2 640 X 480 31.469 59.94 25.175 IBM
3 640 X 480 37.861 72.809 31.5 VESA
4 640 X 480 37.5 75 31.5 VESA
5 640 X 480 43.269 85.008 36 VESA
6 800 X 600 35.156 56.25 36 VESA
7 800 X 600 37.879 60.317 40 VESA
8 800 X 600 48.077 72.188 50 VESA
9 800 X 600 46.875 75 49.5 VESA
10 800 X 600 53.674 85.061 56.25 VESA
11 1024 X 768 48.363 60.004 65 VESA
12 1024 X 768 56.476 70.069 75 VESA
13 1024 X 768 60.023 75.029 78.75 VESA
5 Ex-factory setting of user menu
1) Select TV channel, volume: 25
2) Video menu, Picture Mode: Nature, Aspect Ratio: Wide
3) Video menu, Advanced Video Menu:
Noise Reduction——Spatial: On
Noise Reduction——Speckle: Off
Noise Reduction——Temporal: On
Sharpness: 0
Tine: 50
Color Temperature: Cool
Skin Tome: White
Auto Contrast Enhancement: Off
Black Bar Detection: Off
3D Y/C: On
4) Audio menu, Sound Mode: News, Balance: 31, Earphone Vo1:31