Date: 25/07/03
R.V.R. Elettronica S.r.l. (BO)
VJ15000-TR - R.F. Tube Amplifier
53
Another possibility to check it, if the protection logic works correctly, is that to generate an
justable voltage of 3.95 V by trimmer P20 and to measure it on test point TP10.
Working on dip switch SW1 it’s possible to have the preset tension on the chosen output.
The correspondence on the dip switch SW1 is the following:
SW1
Test Point
Measure
1
TP8
I Filament
2
TP7
V Filament
3
TP6
I Anode
4
TP5
V Anode
5
TP4
IG2
6
TP3
VG2
7
TP2
IG1
8
TP1
VG1