Sampo SME-23DL3, Service Manual, Page: 6 / 81

SPECIFICATION
VER 1.0
- 2- 2-
2.3.6 Preset timing chart
ltem Description :
A Total time
B Active display area including borders
C Active display area excluding borders
D Left / Top border
E Right / bottom border
F Blanking time
G Front porch
H Sync width
I Back porch
The table below is required timings and technical description for the 32“ tube.
(H = 620 mm, V = 465 mm standard size)
Mode No. 1 2 3 4 5 6 7 8 9
Resolution
&
Refresh Rate 640
480
60
640
480
72
720
400
70
640
480
66.6
800
600
60.317
800
600
56.25
640
480
85
800
600
72
1024
60
60
Hz
Pixel /- .5% 39.722 31.746 35.311 33.06 25 27.8 36 50 15.385 n Sec
Horizontal visible 640 640 720 640 800 800 640 800 1024 Dots
Horizontal total 800 832 900 864 1056 1024 832 1040 1344 Dots
Horizontal front porch 16 16 18 64 40 24 56 56 40 Dots
Horizontal sync 96 40 108 64 128 72 56 120 145 Dots
Horizontal back porch 48 136 54 96 88 128 80 64 105 Dots
Hor blanking time 160 192 180 224 256 224 192 240 290 Dots
Vertical visible 480 480 400 480 600 600 480 601 768 Lines
Vertical total 525 520 449 525 628 625 509 667 806 Lines
Vertical front porch 10 1 12 3 1 1 1 1 1 Lines
Vertical sync 2 3 2 3 4 2 3 6 6 Lines
Vertical back porch 33 36 35 39 23 22 22 23 29 Lines
Vertical blanking time 45 40 49 45 28 25 26 30 36 Lines
Horizontal frequency 31.469 37.861 31.467 35 37.879 35.156 43.27 48.09 48.363 KHz
Vertical frequency 59.940 72.809 70.082 66.667 60.317 56.250 85 72 60 Hz
Vertical sync polarity - - + - + + - + - TTL
Hor sync polarity - - - + + + - + - TTL
Dot rate 25.2 31.2 28.3 30.204 40 35.97 36 50 65 MHz
G I
H
F
D E C
B
A
(Video)
(Sync)