Agilent Technologies 54853A

Chapter 5: Troubleshooting
To check the SVGA display board video signals
5–31
To check the SVGA display board video signals
7KHYLGHRVLJQDOVDUHFKHFNHGRQWKHSLQFRQQHFWRU-RQWKH69*$GLVSOD\ERDUG$
8VHD0+]JHQHUDOSXUSRVHRVFLOORVFRSHVXFKDVWKH$JLOHQW7HFKQRORJLHV%WR
YHULI\WKHVLJQDOV(YHQQXPEHUHGSLQVDUHRQWKHWRSVLGHRIWKHFRQQHFWRU7KHYLGHRVLJQDOV
DUHSUHVHQWGXULQJWKHV\VWHPERRWSURFHVVEHIRUHWKHEDFNOLJKWVFRPHRQ,IWKHVLJQDOVDUH
QRWSUHVHQWVXVSHFWWKHGLVSOD\FDUG,IWKHVLJQDOVDUHSUHVHQWDQGWKHEDFNOLJKWVDUHRQ
VXVSHFWWKHIODWSDQHOGLVSOD\DVWKHSUREOHP
Table 5-2 Video Signals
Figure 5-8
Video Signals
Pin Number Signal
1-2 +3.3 V
3, 5-6 NC
4, 7-9, 11, 15, 19, 23, 27, 31, 35, 38, 40 Ground
12-14, 16-18 Blue video
20-22, 24-26 Green video
28-30, 32-34 Red video
10 Panel enable
36 Panel HSync
37 Panel VSync
39 Panel Clk