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correctly connecting PT for 110/220 volts
correctly connecting PT for 110/220 volts
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Old 8th October 2012, 09:44 PM   #1
mrneedle is offline mrneedle  Netherlands
diyAudio Member
Join Date: Nov 2011
Default correctly connecting PT for 110/220 volts

Hi all,

I have got this amp stripped but forgot to take notes.... again......
Although i was smart enough to write down the OT connections this time, I forgot the Power transformer connections between main, 110/220 switch and the PT...

But I Need to connect this PT to the 220v (236) we have over here...

Do i use both the 0-110v connections?

Also there is already a conection between the 230mA and E connection which is also connected to ground? and I wonder why...

Thanx..... again.....
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Old 9th October 2012, 08:50 PM   #2
ruben alstad is offline ruben alstad  Norway
diyAudio Member
Join Date: Jun 2012
Location: Lillesand Aust-Agder
looks like there is a 110v-0-110v connectiong.
you should test 230volt across the two 110s, and just forget about the 0.
probably a senter tapping.
and allso connect a 50-60 watt light bulb in series with the transformer, so it it doesnt work it just lights up instead of killing the transformer.
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