Owners Manual
Page 45
... SOLUTION Unit does not function when Main Power Switch is no sound or picture Unit turns on troubleshooting possible problems with your AVR 135, or installation-related issues, may be reentered. The unit will turn on • Volume control is down • Display brightness is turned off ...been an electronic discharge or severe AC line interference that all settings for these steps do not solve the problem, consult an authorized Harman Kardon service center. The unit will erase any speaker; To correct this problem, first unplug the unit from computers, fluorescent lights, ...
... SOLUTION Unit does not function when Main Power Switch is no sound or picture Unit turns on troubleshooting possible problems with your AVR 135, or installation-related issues, may be reentered. The unit will turn on • Volume control is down • Display brightness is turned off ...been an electronic discharge or severe AC line interference that all settings for these steps do not solve the problem, consult an authorized Harman Kardon service center. The unit will erase any speaker; To correct this problem, first unplug the unit from computers, fluorescent lights, ...