Sanyo LCD-19E3 Service Manual page 14

7. Performance check
7-1 TV function
Connect RF to the center signal source, enter Channel menu
skipped, check if the picture and speaker are normal.
7-2 AV/S-Video terminals
Input AV/S-Video signal, check if the picture and sound are normal.
7-3 YPbPr/YCbCr terminal
Input YPbPr signal (VG848 signal generator), separately input the YUV signals listed in table4 and check if
the display and sound are normal at any situation (power on, channel switch and format convert, etc.)
No
Signal name
1 480i
2 480P
3 720P/60
4 1080i/60
7-4 PC(VGA) terminal
Input PC(VGA) signal (VG848 signal generator), separately input the signals listed in table5 and check the display
and sound. If the image is deflection of the Horizontal and vertical, select Menu->PC->Auto Adjust to perform auto-
correct.
No
Signal name Resolution Vertical frequency(Hz)
1
VGA
2
3 SVGA
4 XGA
5
W-XGA
6
7 SXGA
Table4 YPbPr signal format
Signal mode
Resolution Vertical frequency(Hz)
720(1440)x480
720x480
1280x720
1920x1080
Table5 PC signal format
Signal mode
640 x 400
640 x 480
800 x 600
1024 x 768
1280 x 768
1360 x 768
1280 x 1024
Channel Scan, check if there are channels be
Horizontal
frequency
(KHz)
59.94 15.73
59.94 31.47
60 45
60 33.75
Horizontal
frequency
(KHz)
70.09 31.47
59.941 31.469
60.317 37.879
60.004 48.363
59.87 47.776
60.015 47.712
60.02 63.981
14
Dot clock frequency
Remarks
(MHz)
27
27
74.25
74.25
Dot clock
frequency
Remarks
(MHz)
25.18 DOS
25.175
40
65
79.5
85.5
108 (42" Full-HD Only)