GE MEDICAL SYSTEMS - KRETZTECHNIK DRAFT VOLUSON® 730PRO / 730PROV (BT´04)
D
IRECTION KTI105947, REVISION 2 SERVICE MANUAL
Chapter 3 - Installation 3-47
Electrical Specifications on VGA Connector
• Signal Level: 700 mV at 75 Ohm
• H/V Sync: TTL Level
Section 3-9
Available Probes
See Chapter 9 - Probes, for part numbers to be used when ordering new or replacement service probes.
Table 3-17 Video Specifications for Composite, Video Connector
S-Video Output set to:
Timing Parameter
PAL
50Hz
NTSC
60Hz
Visible Resolution
800 x 600 800 x 600
Pixel Clock
17.734475 MHz
= 4* ft
14.318 MHz
= 4* ft
Horizontal Total Line
64µs / 1135 Pixel 63.56µs / 910 Pixel
Horizontal Active Display
50.50µs / 902 Pixel 52.50µs / 752 Pixel
Horizontal Front Porch
1.96µs / 35 Pixel 1.62µs / 23 Pixel
Horizontal Sync Width
4.62µs / 82 Pixel 4.68µs / 67 Pixel
Horizontal Back Porch
6.52µs / 116 Pixel 4.76µs / 68 Pixel
Vertical Total Lines
20ms / 312.50 Lines 16.68ms / 262.50 Lines
Vertical Active Lines
18.18ms / 284 Lines 15.22ms / 239.50 Lines
Vertical Front Porch
256us 4 Lines 381us / 6 Lines
Vertical Sync
160us / 2.50 Lines 190us 7 3 Lines
Vertical Back Porch
1408us / 22 Lines 890us / 14 Lines
Serration Pulses
56
Interlaced
yes yes
Aspect Ratio pixel size
14.75 (H) : 17.734475 (V) 14.75 (H) : 14.318 (V)
Video levels on 75 Ohm:
white level
1020mV 1020mV
black level
370mV 370mV
blanking level
320mV 320mV
sync level*
20mV 20mV
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