Mazda 6 (2006) Center display intermittently losing power

Mazda 6 (2006) Center console/display completely losing power (display, lights & controls go blank and unresponsive). A/C if on, will continue to work. Occurs most often when weather (or car interior is warm/hot). Randomly restore function (during drive or when temperature lowers). Images included: display off (car on) display on (car on) When quoting: Please let me know what I'm up (eg, replacement center unit, complete disassemble for rewiring or re-soldering joints) Approximate cost If you can come to me or I need to come to you Length of time required to complete