S., there is a large network of international websites to help you find support in your country or region.
Our shop rate for Roland and BOSS products—other than Compact and Twin pedals—is $80.00 per hour, billed in 15-minute increments.
'04 Boss TU-2 chromatic tuner, silent tuning with LEDs, this is one of the best tuners we have found, can use with power daisy chain to power other pedals too, new $99.
When it's not ON, it does not use much power, about as much as an analog pedal.
Roland does not offer service or repair assistance or provide service manuals (schematics) at this time.