EEVblog #710 – Intercom System Repair

Join Dave step-by-step as he attempts to find the problem with a non-booting Aiphone GF NS building intercom system. Will a reset chip make a monkey out of him?

And as always, a trap for young players is explained.

Brochure:

http://ift.tt/1CYGJmJ

Install Manual:

http://ift.tt/1CYGJmL

Setup Manual: http://ift.tt/1CYGKHg

Datasheets:

Mitsubishi M16C: http://ift.tt/1BGuvuz

24LC128 EEPROM: http://ift.tt/1CYGKHk

RS232 driver: http://ift.tt/1CYGJmN

from EEVblog - The Electronics Engineering Video Blog http://ift.tt/1BGuvuD

via Yuichun