This means wrongly connected speakers. Check the receiver without speakers to eliminate any failure. The error should go away.
Now carefully connect the speakers again, take care not to short-circuit the receiver. Also check the impedance settings on the receiver to match impedance of your speakers (either 6 or 8 ohms).
I had this same problem. One of the strands of a speaker wire was touching the other wire. You could barely see it. I detached the speaker wire, wrapped the stray around the whole and reinserted the speaker wire. Problem solved.
SOURCE: My Yamaha HTR-6050 shuts off at random times and says "Check SP Cable"
My Yamaha unit did the same thing. It started flashing Check SP Cable at startup and then the unit just shut off. What I did to fix the problem was isolate which cable was causing the problem by unplugging the speaker wires one pair at a time from the back of the receiver and then turning the unit back on. Once I figure out which wire was causing the problem I then followed the failing wire to where it plugged into the back of the speaker where I discovered one + wire strand had strayed and was touching the - wires. After fixing that, no more problems.
SOURCE: problem with sp cable (yamaha)
The speaker cables are the ones that clamp or tighen down on the back of the reciever. All the spkr wires have to have the positive and negative leads correct. Also not aven one little strand of wire can be touching another conductor or you will have this problem. Make sure all leads are correctly ran and hooked up positive to positive and negative to negative from the back of the reciever all the way to the speakers. This should solv your problem.
SOURCE: yamaha rx-v365 plugged in the hdmi from cable box
You have to configure your DTV input to use optical audio instead of analog dtv audio (red/white plugs). Input assignment should be described in the manual. Come back to me if you have still problems with it.
SOURCE: Yamaha RX-V365 unable to receive 5.1 audio from TV with HDMI
If you're expecting multichannel sound FROM THE TV instead of from the source you're watching, it's not gonna happen. TV's are notoriously poor sound sources. This one is no different.
Multichannel TV-related audio is best found at its source - cable / sat / dvd / bd....
I run video-related audio from my video sources directly to my TV and their audio directly to my receiver. Specialization yields best results.
I'd recommend skipping the Receiver for video, too, as it adds a lot of opportunity for HDMI-related incompatibilities and sound syncing problems. The more interconnects in the path, the more distorted it will become and the more opportunities for problems. Plus you can bypass the receiver and listen to lo-fi programming like news and weather through the TV's speakers if you like. Save a buck on electricity.
Just curious, which HDMI on the receiver is connected to your TV? Input or Output?
This note is on Page 11 of the manual:
Audio signals input at the HDMI jack are not output from any speaker terminals but output from the connected video monitor. To enjoy the sound from speakers connected to this unit,
-- make an analog or digital connection besides the HDMI connection (see page 13).
-- mute the volume on the connected video monitor
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"Check SP cable." -- The unit is perceiving a short circuit. Are your speaker impedances sufficiently high? Disconnect the Front Right speaker and try raising the volume again. The speaker may be blown or the cable shorting.
SOURCE: My Yamaha HTR-6050 shuts off at random times and says "Check SP Cable"
i think it means speaker cable?
http://www.fixya.com/search/p514076-yamaha_rx_v2700_7_1_channels_receiver/check_sp_cable
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