Nokia 6800 Series Manual Do Utilizador

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 Chapter 14: VSR-4041 Serial Video Router Module
Adjustment
120
6800/7000 Series - Distribution and Routing Products Installation and Operation Manual
Test Points
Item
Specifications
1
Vertical sync pulse
2
Control data ECL “1” for input 2/4
3
Control data ECL “1” for inputs 1/2
4
Horizontal sync pulse present on D1 for first 8 lines of vertical 
pulse
5
+5  V
6
0  V
7
Parallel clock.
8
Sync derived from TRS-ID, EAV/SAV
9
Error either No input or the wrong standard or the serial data 
has errors
10
Carrier detect approx. 2 V for valid input, 0 V for no input, a 
ramp during auto standard search
11
PLL voltage typically +2.0 V to +2.4 V when locked
12
VTT voltage typically 3 V
13
0 V
Other test points, located at the 
rear of the assembly, are used for 
factory testing.