Sanyo LCD-40R40HD Service Manual page 11

5 Performance check
5.1 TV port
Connect RF port to central signal source, first enter into channel menu, then auto search
programs, check if there is any omitted program ,output of speakers and picture are normal
5.2 AV/S-Video port
Input AV/S signal to corresponding terminal respectively, check if picture and sound are normal.
5.3 YPbPr/YCbCr port
Input YUV signal from signal general VG848 with YUV format listed as Table 8, check if picture
and sound are normal.
NO. Definition
1 720×480i@59.94/60 Hz
2 720×480p@59.94/60 Hz
3 1280×720p@59.94/60 Hz
4 1920×1080i@59.94/60 Hz
5 1920×1080p@23.98/24 Hz
6 1920×1080p@59.94/60 Hz
5.4 VGA port
Input VGA signal from signal general VG848 with VGA format listed as Table 9, check if picture
and sound are normal, if not, enter into menu to do auto-calibration.
NO. Definition
1 720×400@70 Hz
2 640×480@60 Hz
3 800×600@60 Hz
4 1024×768@60 Hz
1280×1024@60 Hz
5
1360×768@60 Hz
6
1920×1080@60 Hz
7
5.5 HDMI port
Input HDMIsignal from signal general VG849 with VGA format listed as Table 8&9 , check if
picture and sound are normal
5.6 USB port
Inset U disk, check if JPEG picture and MP3 music are displayed normally
5.7 AV OUT port
Check if picture and sound of AV OUT are normal
5.8 Check other functions
Check if sleeping time, picture/sound mode, OSD, still picture/mute and
microcrystalline-magical-picture, etc., are normal.
Table 8 YUV signal format
H. Fre.
kHz
15.734
31.469
44.96
33.75
27.00
67.50
Table 9 VGA signal format
H. Fre. V. Fre.
kHz
31.47 70.08
31.50 60.00
37.90 60.00
48.40 60.00
63.98 60.02
47.71 60.01
67.16 59.96
V. Fre.
Hz
59.94/60
59.94/60
59.94/60
59.94
23.98/24
59.94/60
Dot-pulse Fre.
Hz MHz
28.32
25.18
40.00
65.00
108.00
85.50
173.00
Dot-pulse Fre.
MHz
13.5 480i(59.94/60p)
27.00 480p(59.94/60p)
74.18 720p(59.94/60p)
74.25 1080i(59.94/60i)
74.25 1080p(23.98/24p)
148.50 1080p(59.94/60p)
Note
DOS
VESA
VESA
VESA
VESA
(only for Full HD panel)
VESA
(only for 1366X768 panel)
VESA
(only for Full HD panel)
Note