Sony STR-D515 receiver repairs - Part 1

Описание

While having diner at my parents' house I got the question to have a look at this receiver that started to act up.
In this video I'll start troubleshooting 2 problems and actually repairing one of them.

-Video about the RTC-

https://www.youtube.com/watch?v=O-3UMy5_2ZU

-Datasheet-

Hitachi H8/3723 Micro:
http://www.datasheetarchive.com/dlmain/Datasheets-17/DSA-336268.pdf

-Manuals-

User manual:
http://www.hifi-pictures.net/amplifiers-home/Sony%20STR-D515/Sony%20STR-D515.pdf

Service manual:
http://elektrotanya.com/sony_str-d515_d615.pdf/download.html