450G after the storm

Hardware MikroTik hardware general
1

All LEDs are lit lan ports. Replacement chip lan problem not solved. The chip was heated and a new hot. In the chain of Q601 was found a short circuit, 1 V is not there, but if you remove the throttle voltage appears. Transistor is not broken. Even when Ian chip shot 1 V. not lift …
Who does that tell me?

Все светодиоды лан портов горят. Замена лан чипа проблему не решила. Чип грелся и новый греется. В цепочке Q601 обнаружилось короткое замыкание, 1 В. там нет, но если снять дросель напряжение появляется. Транзистор не пробит. Даже когда лан чип снят 1 В. не подымается…
Кто что подскажет?
450Gr2.pdf (464 KB)

2

Please attach the log of startup process, seen on Terminal Program captured from Console Port. Does PHY Error appears?

3

mikrotik on and boot, you can hear the sound

4

What I have to look in the terminal? Which to look PHY Error appears?

5

Connect RS232 null modem cable to RB450G and look in terminal program the boot process.

6

boot ok, login and password Requests