Sanyo LCD-19XR9DA(C), Руководство по обслуживанию

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5
Functions checkup
5.1 TV functions
Input central signal to RF port, enter into menu “
CHANNEL
” first, then search channels
automatically, check if there is any omitted channel, check if the output of speakers and the picture
are normal.
5.2 AV port
Input signal to AV port respectively, check if the picture and the sound are normal.
5.3 YPbPr/YCbCr port
Table 3 YUV signal formats
No.
Definition H. - fre.
（
kHz
）
V. – fre.
（
Hz
）
Dot pulse fre.
（
MHz
）
Note
1 720×480 15.734/15.75 59.94/60 13.5/13.514 480i(NTSC,NTSC4.43,PAL60,PAL-M)
2 720×576 15.625 50 13.5 576i (PAL, PAL-N, SECAM)
3 720×480 31.469/31.5 59.94/60 27/27.027 480p
4 720×576 31.25 50 27 576p
5 1280×720 37.5 50 74.25 720p (50p)
6 1280×720 44.955/45 59.94/60 74.176/74.25 720p (59.94p/60p)
7 1920×1080 28.125 50 74.25 1080i (50i)
8 1920×1080 33.75 59.94/60 74.176/74.25 1080i (59.94i/60i)
9 1920×1080 26.973 23.976 74.176 1080p (23.97p)
10 1920×1080 27 24 74.25 1080p (24p)
11 1920×1080 28.125 25 74.25 1080p (25p)
12 1920×1080 33.716 29.97 74.176 1080p (29.97p)
13 1920×1080 33.75 30 74.25 1080p (30p)
14 1920×1080 56.25 50 148.5 1080p (50p)
15 1920×1080 67.432/67.5 59.94/60 148.35/148.5 1080p (59.94p/60p)
5.4 VGA port
Input signal from VG848 signal generator to VGA port with VGA signal format listed in Table 4
respectively, check if the display and the sound are normal; if there is any H/V offset, enter into main
menu and select items “
Picture->Screen->Auto Adjusting
” to make calibration automatically.
Table 4 VGA signal formats
No.
Definition H. - fre.
（
kHz
）
V. – fre.
（
Hz
）
Dot pulse fre.
（
MHz
）
Note
1 640×480 31.469 59.94 25.175 IBM
2 720×400 31.469 70.086 28.322 IBM
3 640×480 37.861 72.809 31.5 VESA
4 640×480 37.5 75 31.5 VESA
5 800×600 35.156 56.25 36 VESA
6 800×600 37.879 60.317 40 VESA
7 800×600 48.077 72.188 50 VESA
8 800×600 46.875 75 49.5 VESA
9 1024×768 48.363 60.004 65 VESA
10 1024×768 56.476 70.069 75 VESA
11 1024×768 60.023 75.029 78.75 VESA