This is an AV Receiver OWNER'S MANUAL, which includes the product's safety instructions, product function introduction, product use methods, cleaning methods and other contents
This document is the Owner's Manual for the Yamaha RX-V661 AV Receiver. It begins with important safety warnings, including cautions regarding electric shock, ventilation requirements, and proper grounding for outdoor antennas. The text advises users to refer servicing to qualified personnel and to retain the instructions for future reference.
Unplug the product and refer servicing to qualified personnel.
The antenna or cable system must be grounded to provide protection against voltage surges.