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TV lyd forsvinder periodevis
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Oprettet: 04-April-2008
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Point: 52 		Funktioner Funktioner   Tak (0) Tak(0)   Citér mtjoernelund Citér  BesvarSvar Direkte link til dette indlæg Emne: TV lyd forsvinder periodevis
    Sendt: 18-Juni-2013 kl. 09:53
Kunne rigtigt godt bruge  lidt forslag til fejlfinding her.

Jeg har netop fået mig en ny Denon AVR-X2000. Jeg sender lyd fra mit Samsung LED-tv til receiveren via HDMI-ARC, hvilket til at starte med (og langt hen ad vejen stadigt) virker fint. Dog er lyden begyndt at forsvinde periodevis. Nogle gange bare som om der bliver tændt og slukket for lyden igen og igen, andre gange som om lyden bare helt forsvinder. Lyden kommer ikke tilbage i tv'ets højtalere. Hvis receiverene slukkes og tændes igen virker det hele igen som det skal og nogle gange kan man se tv i timer uden problemer. 

Ethvert forslag til indstillinger der kan have indflydelse på dette eller fysiske forhold der kan drille vil bliver modtaget med stor tak?
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Oprettet: 24-Februar-2012
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Point: 641 		Funktioner Funktioner   Tak (0) Tak(0)   Citér Precious Citér  BesvarSvar Direkte link til dette indlæg Sendt: 18-Juni-2013 kl. 10:17
Jeg er ret ny med konceptet HDMI-ARC, men betyder ARC ikke at lyden kastet tilbage fra TV'et og til din receiver? Kan problemet have noget med HDMI-ARC vs HDMI at gøre? Har du prøvet at køre almindelig HDMI?
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Oprettet: 06-Februar-2007
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Point: 4378 		Funktioner Funktioner   Tak (0) Tak(0)   Citér Torben Rasmussen Citér  BesvarSvar Direkte link til dette indlæg Sendt: 18-Juni-2013 kl. 11:06
Det lyder som et problem med handshake mellem TV og receiver.

Precious: Der er ikke noget der hedder "Alm. HDMI" i den sammenhæng. Et TV har ingen HDMI UDgange, kun INDgange og HDMI-ARC, så hvis TV'et ikke skal forbindes via ARC, så skal der føres eks. optiske kabler den anden vej til receiveren.


Her er Denons eget forslag til problemløsning med handshake:
Citér k. HDMI Handshake Issues (audio/video dropouts): Handshake issues will most often present as "audio dropouts" or sometimes video display issues. Ensure the source device having the issue has the latest firmware installed and has been reset (ie. powered down, unplugged for a few minutes, then powered back ON again). For a more detailed HDMI reset try the following procedure ....

HDMI HDCP reset

With all devices powered on, remove the two HDMI cables at both ends from the source device to the AVR and from the AVR to the TV.

Power off all devices and disconnect power cables to all devices.

Wait 10-15 minutes.

Reconnect HDMI and power cables to all devices.

Power on the devices in this order ... TV, wait a few secs, AVR, wait a few secs, and then source device (although this is the generally recommended order, in some instances, you may have better luck powering on the AVR first and then the TV, then the source last ... bottom line if it's still not working, try a different power on sequence).


If the issue only involves the cable/sat box, HDMI handshake issues with cable/sat boxes are quite common (with any brand of AVR) and are usually always the fault of the cable/sat box not being designed to be connected to an HDMI repeater (ie. AVR) which is why they work without issue connected directly to the TV. Give your cable/sat box provider a call to see if there is a separate firmware update that can be applied to the box to resolve the issue although note that in some cases, a future firmware update to the cable/sat box may very well cause an HDMI handshake issue as well, so your best option to avoid the issue now (or in the future) is to connect the cable/sat box HDMI directly to the TV and also connect an optical cable from the cable/sat box to the AVR for surround audio. If you don't have an optical cable available, and your cable/sat box has a coax digital "orange" output, you can also use a coax digital cable (note: a "yellow" composite video RCA cable is a suitable substitute) and connect it to the SAT/CBL coax digital input on the AVR (ie. right next to the optical jack). Note that with this configuration (ie. HDMI straight to TV) you will lose the GUI/status menu for the cable/sat box, but you retain the capability to watch TV using the TV speakers only with the AVR in Standby (eg. news, sports, wife, kids). Another option, if your AVR features a component video input is to connect both a component video cable and an optical (or digital coax) cable from the cable/sat box to the AVR noting that although you gain the GUI/status menu feature, you will lose the capability to watch TV using the TV speakers only. You may also want to try upgrading to a different model cable/sat box.
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