Adcom GFR-700HD User Manual

Also see for GFR-700HD: Brochure Specification sheet Quick start guide

Contents

Adcom GFR-700HD User Manual Manual pdf 64 page image

64Chapter 5 - HelpGFR-700HD Owner’s ManualTroubleshootingThe table below shows possible causes and solutions to common GFR-700HD issues. If you do not see the an-swers you need here, please contact your Adcom dealer or customer service department; see page 63.Symptom Possible Reason Possible SolutionNo sound • Power cable unplugged• Rear panel power switch turned off (0)• Tape Monitor selected• Mute on• Incorrect Input Config setting• Plug in power cable• Turn rear panel power switch on (1)• Press Tape to de-select Tape Monitor• Switch off Mute• Make sure audio input is set correctly in InputConfig menuNo sound on onechannel• Speaker not properly connected or damaged• Input cable disconnected or damaged• Speaker set to “None” in menu system• Check connections and speakers• Check cables and connections• In Speaker Config menu, set speaker to “Small” or“Large”No sound on surroundchannels• No surround mode selected• Mono sound source• Speakers not properly connected• Surround volume level too low• Select a surround mode• Test system with stereo or Dolby Surround mate-rial• Check speakers and connections• Increase surround volume levelNo sound on centerchannel• Center speaker set to “None” in menu system• Speaker not connected properly• Center volume level set too low• In Speaker Config menu, set Center speaker to“Small” or “Large”• Check speaker and connection• Increase Center volume level“Dolby Digital” OR“DTS” auto-detec-tion function does notwork• Source not connected using digital input• Incoming signal is set to PCM instead of Bitstream• Connect digital output of source to GFR-700HD• Check the Digital Out setting on your sourcecomponentWeak bass/diffusestereo image• Speakers wired out of phase • Check connections to all speakers in the systemRemote control notworking• Batteries dead, or incorrectly inserted• IR transmitter or receiver windows obstructed• IR receiver in direct sun or bright ambient light• Check or replace batteries• Remove obstruction• Place unit away from direct sun, reduce amountof ambient lightNo sound with tuner • Antenna leads incorrectly connected• Station not selected or weak signal• Mute on• Check antenna connections to preamplifier• Re-tune• Switch off MuteNoise, hiss on AM andFM• Weak signal • Check station tuning• Adjust or replace antenna• Press St/Mono button to reduce hissDistortion on FM • Multi-path signals or interference from anotherstation• Check station tuning• Adjust or replace antennaWhistles or buzzes onFM & AM• Interference from other electrical sources, e.g.,computers or games consoles• Check station tuning• Switch off or move the source of the electricalnoiseWhistles or buzzeson AM• Interference from fluorescent lighting or electri-cal motor• Check station tuning• Adjust or replace AM antennaNo picture • Incorrect TV input selected • Check the input setting on your TV• If the GFR-700HD is connected to your TV inmore than one way (e.g., S-video and Componentvideo), select the TV input that corresponds withyour selected source componentCannot access setupmenu• Not in Main mode• HDMI or Progressive Scan video output selected• Press Main, then press Setup• Select Video, S-video, or Component output toview Setup menusCannot power off unit • Setup menu is active • Press Setup to exit the Setup menu, then poweroff unit