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If there is no sound, or only a very low-level sound, consider the following:
If there is no sound from specific speakers:
The receiver displays 'PROTECT' mode if there is an irregular current output to the speakers or if the receiver is covered and ventilation holes are blocked. The receiver will automatically turn off after a few seconds in this state. To resolve this, you should:
Your receiver may shut off automatically for the following reasons:
To connect speakers to your receiver:
The receiver displays 'PROTECT' mode if there is an irregular current output to the speakers or if the receiver is covered and ventilation holes are blocked. The receiver will automatically turn off after a few seconds in this state. To resolve this, you should:
You can connect your receiver to a TV using an HDMI cable by connecting the HDMI TV OUT jack on the receiver to an HDMI input on your TV. This allows you to watch the selected input image and operate the receiver using the On-Screen Display (OSD) if connected via the HDMI TV OUT jack. Before connecting, ensure the AC power cord is disconnected.
If your receiver is not detecting an HDMI input signal:
To revert the receiver back to its factory default settings:
For USA models, the power output specifications are:
To connect a subwoofer, use a monaural audio cord (not supplied) to connect the subwoofer's input to the SUBWOOFER OUT jack on the receiver's rear panel. The receiver supports up to two subwoofers. If your subwoofer has an auto standby function, it is recommended to turn off this function when watching movies to ensure continuous sound output.
If your remote control is not functioning:
The recommended speaker impedance is 6-16Ω. The receiver supports a 5.2 channel system, which includes five speakers (two front, one center, two surround) and two subwoofers. You can select the speaker pattern that matches your system in the Speaker Settings menu.
The receiver supports various digital audio formats, including:
These formats can be decoded depending on the digital audio output jacks of the connected equipment, with support for up to 7.1 channels for some formats via HDMI.
You can calibrate the audio settings using the DCAC (Digital Cinema Auto Calibration) function. To set up Auto Calibration:
To properly connect and configure surround sound speakers:
While the receiver heats up during operation and its cabinet temperature may rise with continuous use at high volume, this is not a malfunction. However, if the receiver displays 'PROTECT' mode and automatically turns off, it could be due to the receiver being covered and its ventilation holes blocked. To prevent this, ensure adequate ventilation and do not place anything on top of the cabinet that might block the ventilation holes.
To optimize sound quality for movies and music, you can use several features:
Yes, the receiver supports 4K or 3D transmission. To enjoy 3D or 4K images, you need to connect 3D-compatible or 4K-compatible TV and video equipment (such as a Blu-ray Disc player or PlayStation 3) to the receiver using High Speed HDMI cables.
You can switch between different audio and video inputs using either the remote control or the receiver's front panel:
To switch between digital and analog audio input modes for a selected input, press INPUT MODE repeatedly on the receiver.
For optimal ventilation and performance, you should:
You can reassign digital input jacks to other inputs if the default settings do not match your connected equipment. To do this:
Need help?
Do you have a question about the STR-DH540 and is the answer not in the manual?
Questions and answers
does this sony play vhr tapes?
No, the Sony STR-DH540 is an AV receiver and does not have the capability to play VHS tapes.
This answer is automatically generated