I have a panasonic sa-pt860 that wont power up. red light works on the front but if i remove amplier it powers on

SOURCE: sa-ht740 power problem

is power supply connected to us or euro power.
the power in europe is 50herz us is 60 herz this
could pose a problem or the polelarity could be
cross

SOURCE: my panasonic SA-AK57 it is displaying error code F61

you need a code 234634
it is wary simple to fix

if the code dosent work the there is

SOURCE: wireless chanel clash

might be a fridge throwing off a mag feild
could be a wire running right ajasent to the speaker location
try moving speaker first
like take it off the wall and move it 3 feet
any change ?
ok that didnt work
now it is wireless but so is mine and i have to power the speakers y pluging them in
it could be if the speakers are powered then the adapters might be getting old and tired
if all fails try moving the speakers right next to the reciever and see if they still hum

ps just because the dont have an adapter pluged into the wall and it looks like a vac cord instead means they just put the adapter inside
and you are in for more fun then

SOURCE: manual for panasonic theatre system sa-pt860

my dvd player is locked, how do I unlokc it

SOURCE: Have a Panasonic SA-BT100 which

These unit have an internal fuse. This will mean removing the power lead, opening the case and replacing the fuse. Probably best to have a professional do it. Sorry, Shouldn't be expensive though.