So I have now done voltage checks.
On the TRS jack i get on red a spike to 12 v before it goes down to 0,01-0,1 v range
On the white I get a spike to 18 v before it also goes down to below 0,1 v range.
Is this ok?
The others are (in volts)
1. 78
2. 169,5
3. 0
4. 169,55
5. 79,3
6. 0
7. 102,3
8. 0
9. 103,2
10. 0
11. 0
12. 0
13. 168,8
14. 0
15. 189,7
20. 0
21. 210,57
A1. 78,9
A2. 0
A4. 0
A5. 0
A6. 76,7
A7. 0
A9. 0
B1. 77,6
B2. 168,2
B3. 101,77
B4. 79,2
B5. 168,4
B6. 102,9
B7. 0
B8. 0