Ok so I have been on to the web and found
that the v4 needs some modification to the board.
I found the relays and they have arrived
in a week from a uk seller
I have tracked down the inductors from Poland
but the seller is away so I’m unable to order them at this time.
So I need to change all 5 of the relays on
the board, the 1st task is the hardest desordering the pins of the
relay from the board.
It’s difficult to remove them I found using
a small amount of new solder, some flux and solder iron to get the old solder
to flow again and use a solder sucker to remove the melted solder careful not
to overheat the board and damage the tracks that you will need to solder the
new relays back to.
I removed all five of the relays at once
then soldered the new one’s in, take care the relays are soldered flush to the
board.
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