hi all
i need your help for repair my tr 707 crashed
when turn On ,the cartridge led turn to the red or yellow
No display no sound no led
I've visually inspected the circuit board for
bad components, but everything seems to be good!
just some bad welding
after new welding the problem presist
when turn OFF the led 1,5,9,13 and pattern group turn to red

thanks

sorry for my bad english