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service mode protected

cyclerc

New Member
How I can access the service mode? I purchase used sp300v and need to align heads but following the service manual a message service mode protected. Please help
 

player

New Member
So you think I was correct about the red?

There is a particular combination of arrow keys you have to press. Someone will tell you or search it. I don't know off hand.
 

wunder

New Member
POWER OFF
input DOWN RIGHT LEFT UP RIGHT DOWN LEFT
after
HOLD LEFT DOWN RIGHT + POWER

thats it..have fun
 

splizaat

New Member
someone posted this a long time ago and I saved it.
 

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