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Doepfer

Index last updated: 2026-04-29 00:15 UTC

Message

Re: my a100 nearly went on fire !!!!!

2003-03-14 by neilwight

hi tim,
i sent you an email but i will briefly cover again here incase 
others are interested.

my power supply board is perfectly ok, looks fine and tested it out 
and it has no problems which is a relief.

my power inlet socket on the back panel of the unit is where the 
problem occurred.
my inlet contained its own integrated (and small) transformer and 
had the option to change the voltage on which the whole system 
worked depending on local supply. you could open it up and turn an 
internal barrel setting the voltage to 240, 220, 115 etc. i guess 
this was why it has its own transformer. the on/off switch is also 
not integrated into the inlet housing and it further up the panel.
i guess yours doesnt have this function and is set to one voltage 
when purchased anbd is similar to the panel shown on the doepfer web 
site.

the transformer on the inlet was the one that melted, the brown goo 
came from the inside of this transformer, along with the smoke and 
smell.

it will be interesting to see if the reason they changed was due to 
a problem with these inlets or something.
my inlet was set correctly to 240vac and both fuses are still ok.
i have emailed on the address you gave me so i will post back if i 
hear anything.

neil

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