Harman Kardon AVR 7550HD Owners Manual - Page 52

TROUBLESHOOTING GUIDE SYMPTOM฀ CAUSE฀ SOLUTION Unit฀does฀not฀function฀when฀Main฀ Power฀Switch฀is฀turned฀on฀ •฀No฀AC฀Power฀ ฀ •฀Make฀certain฀AC฀power฀cord฀is฀plugged฀into฀a฀live฀outlet฀ •฀Check฀whether฀outlet฀is฀switch-controlled Display฀lights,฀but฀no฀sound฀ or฀picture฀ ฀ •฀Intermittent฀input฀connections฀ •฀Mute฀is฀on฀ •฀Volume฀control฀is฀down฀ •฀Secure฀all฀input฀and฀speaker฀connections฀ •฀Press฀Mute฀Button฀ •฀Turn฀up฀volume฀control No฀sound฀from฀any฀speaker;฀ PROTECT message appears on front฀panel฀ •฀Amplifier฀is฀in฀protection฀mode฀฀ due to possible short •฀Amplifier฀is฀in฀protection฀mode฀฀ due to internal problems •฀Check฀speaker฀wires฀for฀shorts฀at฀receiver฀and฀speaker฀ends฀ •฀Contact฀your฀local฀Harman฀Kardon฀service฀center No฀sound฀from฀surround฀or฀ center฀speakers฀ ฀ ฀ Unit฀does฀not฀respond฀to฀ remote฀commands฀ ฀ •฀Incorrect฀surround฀mode฀ •฀Input฀is฀monaural฀ •฀Incorrect฀configuration Stereo฀or฀Mono฀program฀material฀ •฀Weak฀batteries฀in฀remote฀ •฀Wrong฀device฀selected฀ •฀Remote฀sensor฀is฀obscured฀ •฀Select฀a฀mode฀other฀than฀Stereo •฀There฀is฀no฀surround฀information฀from฀mono฀sources •฀Check฀speaker฀configuration The฀surround฀decoder฀may฀not฀create฀center-฀or฀rear-channel฀ information from nonencoded programs •฀Change฀remote฀batteries •฀Press฀the฀AVR฀Settings฀Button •฀Make฀certain฀front-panel฀sensor฀is฀in฀line฀of฀sight฀of฀remote or connect an optional remote sensor Intermittent฀buzzing฀in฀tuner฀ •฀Local฀interference฀ •฀Move฀unit฀or฀antenna฀away฀from฀computers,฀fluorescent฀ lights, motors or other electrical appliances Surround฀Back฀Speaker฀settings฀฀ cannot be accessed, and test tone does not play through Surround Back Speakers •฀Multizone฀system฀has฀been฀turned฀฀ on, and the surround back channels were reassigned to multizone operation •฀Use฀the฀menu฀system฀to฀access฀the฀Zone฀2฀menu฀and฀reassign฀ the surround back channels to the main room The฀XM฀Preview฀Channel฀(001)฀฀ is฀silent •฀XM฀antenna฀is฀not฀plugged฀in XM฀antenna฀is฀not฀located฀in฀such a฀way฀as฀to฀enable฀reception XM฀signal฀requires฀a฀refresh฀ •฀Use฀an฀XM฀antenna฀module฀designed฀for฀use฀with฀XM฀Ready฀home audio฀equipment,฀and฀plug฀the฀module฀into฀the฀XM฀Radio฀Jack฀ •฀The฀XM฀antenna฀module฀needs฀an฀unobstructed฀view฀of฀the ฀฀฀southern฀sky,฀or฀to฀be฀within฀range฀of฀an฀XM฀terrestrial฀repeater if฀necessary,฀purchase฀an฀extension฀cable฀from฀your฀XM฀Radio฀dealer •฀Visit฀www.xmradio.com Unable฀to฀activate฀Program฀mode฀ on remote •฀AVR฀Settings฀Button฀not฀held฀for฀at Follow฀the฀instructions฀in฀the฀remote's฀LCD฀Display least 3 seconds Remote฀buttons฀light,฀but฀AVR฀does฀ not respond •฀Remote฀is฀in฀Zone฀2฀mode฀ •฀Slide฀the฀Zone฀Switch฀at฀the฀bottom฀of฀the฀remote฀to฀the฀ Zone 1 position Unable฀to฀play฀Internet฀Radio฀ ฀ Unable฀to฀access฀content฀on฀PC฀฀ from Network source ฀ •฀AVR฀is฀not฀able฀to฀access฀the฀Internet฀ ฀ •฀Content฀not฀in฀proper฀format฀ •฀Content฀has฀not฀been฀shared฀by฀฀ network device •฀Make฀sure฀the฀Network฀Jack฀is฀connected฀to฀an฀active฀router; navigate to the Network Settings submenu in the System Setup ฀฀฀menu฀and฀change฀the฀Network฀Settings฀line฀to฀"Manual";฀contact your ISP to obtain the correct information for the other settings in this submenu •฀Only฀content฀in฀the฀form฀of฀MP3,฀WMA฀and฀JPEG฀files฀may฀be฀shared with the AVR •฀Network฀device฀must฀be฀running฀compatible฀software;฀network฀device must be programmed to share the content over the network; refer to the Network Playback section on page 37 for details Additional information on troubleshooting possible problems with your AVR 7550HD, or installation-related issues, may be found in the list of "Frequently Asked Questions", which is located in the Product Support section at www.harmankardon.com. 53