Troubleshooting, Symptom Cause Correction

Troubleshooting

Check the following guide for the possible cause of a problem before contacting service.

Symptom		Cause		Correction

No power.	•	The power cord is disconnected.	•	Plug the power cord securely into the
				wall outlet.
The power is on, but	•	No disc is inserted.	•	Insert a disc. (Check that the DVD or,
the DVD/CD Receiver				audio CD indicator in the DVD display
does not work.				is lit.)

No picture.	•	The TV is not set to receive DVD signal	•	Select the appropriate video input
		output.		mode on the TV so the picture from
				the DVD/CD Receiver appears on the
				TV screen.

	•	The video cable is not connected	•	Connect the video cable into the
		securely.		jacks securely.
	•	The connected TV power is turned off.	•	Turn on the TV.

There is no sound or	•	The equipment connected with the	•	Select the correct input mode of the
only a very low-level		audio cable is not set to receive DVD		audio receiver so you can hear the
sound is heard.		signal output.		sound from the DVD/CD Receiver.

	•	The audio cables are not connected	•	Connect the audio cable into the
		securely.		jacks securely.

	•	The power of the equipment connected	•	Turn on the equipment connected
		with the audio cable is turned off.		with the audio cable.

	• The audio connecting cable is damaged.		•	Replace it with new one.
The playback picture is	•	The disc is dirty.	•	Clean the disc.
poor.
The DVD/CD Receiver	•	No disc is inserted.	•	Insert a disc. (Check that the DVD, or
does not start playback.				audio CD indicator in the DVD display
				is lit.)
	•	An unplayable disc is inserted.	•	Insert a playable disc. (Check the
				disc type, colour system and Regional
				code.)

	•	The disc is placed upside down.	•	Place the disc with the playback side
				down.
	•	The disc is not placed within the guide.	•	Place the disc on the disc tray
				correctly inside the guide.

	•	The disc is dirty.	•	Clean the disc.

	•	A menu is on the TV screen.	•	Press the SETUP button to turn off
				the menu screen.
	•	The Rating level is set.	•	Cancel the Rating function or change
				the rating level.
Loud hum or noise is	•	The disc is dirty.	•	Clean the disc.
heard.
heard.	•	The speakers and components are	•	Connect the speakers and
	•	The speakers and components are	•	Connect the speakers and
		connected poorly.		components securely.

	•	The DVD/CD Receiver is located too	•	Move your TV away from the audio
		close to the TV.		components.

Operation

THG31, TH-G31 specifications

The JVC TH-G31, also known as the TH-G31, is a versatile home theater system designed to elevate the audio experience for movie enthusiasts, gamers, and music lovers alike. This compact system combines performance and style with a range of innovative technologies that ensure high-quality sound and convenient usability.

One of the standout features of the JVC TH-G31 is its 2.1 channel system, which includes a powerful subwoofer and two satellite speakers. The subwoofer delivers deep, resonating bass, adding a rich audio depth to movies and music. The satellite speakers are engineered to provide clear and crisp dialogue and sound effects, creating a truly immersive experience. This combination of speaker types allows for an excellent stereo soundstage while maintaining clarity and detail in sound reproduction.

An important technology integrated into the JVC TH-G31 is Bluetooth connectivity. This feature enables seamless wireless streaming of music from compatible devices, such as smartphones, tablets, and laptops. Users can enjoy their favorite playlists or stream podcasts without the hassle of cables, significantly enhancing the system's usability in different environments.

Further enhancing its versatility, the JVC TH-G31 comes equipped with multiple input options, including HDMI, optical, and AUX inputs. This variety allows users to connect a wide range of devices, including Blu-ray players, gaming consoles, and televisions, making it easy to integrate into any existing home entertainment setup. The HDMI ARC (Audio Return Channel) feature simplifies connectivity and allows for easy control using a single remote.

In terms of design, the JVC TH-G31 boasts a sleek and modern aesthetic that fits nicely into any living room décor. Its compact size means that it won’t take up much space, making it suitable for both small and large rooms. Additionally, the system's easy-to-navigate controls ensure that adjusting volume or switching inputs is intuitive and user-friendly.

Overall, the JVC TH-G31 is an impressive home theater system that offers excellent sound quality, convenient wireless streaming capabilities, and a multitude of input options. Its combination of advanced technology, modern design, and user-friendly features makes it a great choice for anyone looking to enhance their audio experience at home. Whether you're watching movies, playing video games, or listening to music, the JVC TH-G31 ensures a rich and immersive sound experience that brings entertainment to life.