What should I do if the perpetual calendar electronic watch is burnt out by 380v

Cause analysis of electronic board of digital perpetual calendar burned by 380 volts;

1. The transformer is burnt out. It's easy to replace and the price is relatively low. Generally, it can be done within 5 yuan.

2. The circuit board of the perpetual calendar movement is burnt out, which is more troublesome. If this is burnt out, the maintenance cost will be higher, generally above 30 yuan. But also used the original manufacturer's perpetual calendar movement circuit board.