3V Valve Wiring - Velleman K4040 Manual

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26 6.3V VALVE WIRING

Wiring for the 8 tube sockets V1 to V8. Use twisted brown wire for each one. For safety, it is advisable
to check with an ohmmeter that the two 6.3V terminals are not short circuited.
6.3VAC
f2 f2
V7
7
5
6
8
5
8
4
1
4
3 1
2
3
V8
5
6
7 8
5
8
4
1
4
3 1
2
3
Again thoroughly check all the components for miss mounting (polarity!) , includ-
ing soldering errors !!
Assembly into the cabinet:
• Mount the cage nuts into the square holes
concerned, from the inside to the outside,
(with the nut along the inside). These nuts
are used to fasten the covers down, and
there are 7 of them in the cabinet base.
16
f1
f1
V6
3
2
1
3
4
1 4
8
5
5
8
7 6
VIEWED FROM SOLDERSIDE
3
V5
1 2
3
4
1 4
8
5
5
8
7 6
f2
6.3VAC
f2
V3
7
5
6
8
5
8
4
1
4
3 1
2
3
V4
5
6
7 8
5
8
4
1
4
3 1
2
3
CLICK INTO HOLE
f1
f1
3
V2
2
1
3
4
1 4
8
5
5
8
7
6
V1 3
2
1
3
4
1 4
8
5
5
8
7 6
FIG 1