Guias para os quais contribuí
Resposta para "Why does my device produce no sound from the speakers?"If your volume is on and you can't hear the device the problem might be with the speaker. The speaker might have a tear. Replacing the speaker and also making sure the wiring is properly attached should ensure that you hear sound. If the device rattles make sure the screws holding the speaker in place are not loose.
Resposta para "Why can I not change the radio station?"If your tuning wheel has a broken gear or is worn, it might need to be replaced. A worn tuning wheel will can cause the limited range. The gears connecting the tuning wheel and radio frequency doesn't allow to past a certain point. Replacing the tuning wheel will allow for the gears to turn effectively.
Resposta para "Why does my device not show illuminated numbers?"If the device is has sufficient power, then you might have a faulty display case.