Home » Harman Kardon » Audio Accessories » Harman Kardon AVR 347

Harman Kardon AVR 347 Support Question

Find answers below for this question about Harman Kardon AVR 347.
Need a Harman Kardon AVR 347 manual? We have 3 online manuals for this item!

Harman Kardon Overview Questions Manuals Reviews Videos Research

Question posted by glg on February 26th, 2023

What Causes, Protect On Svr 347 ?

What Causes Avr 347 To Have Protect When You Turn It On And Then Power Shuts Itself Off

I Know the Answer!

I have the same question
Request More Information

Current Answers

Answer #1: Posted by SonuKumar on February 26th, 2023 6:10 PM

This answer was accepted by the poster of the original question.

SonuKumar

Member since:
May 9th, 2021

Points: 16,557,860

1,100
points

The "Protect" message on an audio/video receiver like the AVR 347 usually indicates that the device has detected a problem with its circuitry or speakers and has shut down to prevent damage to the components. This can happen due to a variety of reasons, such as:

Overheating: If the receiver's internal temperature exceeds a safe level, it may shut down to prevent damage to its components. This can happen if the receiver is placed in a poorly ventilated area or if its cooling fans are not working properly.
Short circuit: A short circuit can occur when two or more electrical connections touch, causing a surge of current to flow through the circuit. This can cause damage to the receiver's circuitry and trigger the "Protect" mode.
Speaker problems: If a speaker connected to the receiver has a damaged driver or wiring, it can cause the receiver to go into "Protect" mode. This is because the damaged speaker can cause an impedance mismatch, which can overload the amplifier.
Power surge or lightning strike: A power surge or lightning strike can damage the receiver's power supply or other components, triggering the "Protect" mode.

In order to diagnose and fix the problem, it's important to troubleshoot the receiver and identify the underlying cause. This may require the help of a professional technician, especially if the problem is related to the internal circuitry of the receiver.

Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.

Regards,
Sonu
Your search handyman for all e-support needs!!

Related Harman Kardon AVR 347 Manual Pages

Product Information - Page 17

... features include a line-level Sub/LFE input, audio-sense or external-trigger on/off and a multicolor LED power indicator. HKTS 18 HKS 9 5.1-Channel Home Theater... Speaker System The HKTS 18 home theater speaker system combines its identically voiced, magnetically shielded two-way satellites and center channel speaker with your new AVR...

Product Information - Page 22

... & programmable; Model HK 3485 HK 3385 Description Stereo receiver Stereo receiver Power 120 x 2 80 x 2 THD AVR 445 7.1-Channel AVR 80 x 2 65 x 7* High current ±40 amps 0.07...Audio/Video No No No No No 4 4 4 Rear panel 2/2/0 Front panel 1/1/0 Rear panel 1/0 All sources4 5.1 2/1 Switching Yes Subwoofer 2 @ 100MHz 42 Model (continued) AVR 745 AVR 645 AVR 445 AVR 347 AVR...

Product Information - Page 23

...- 320 kbps; Model HS 300 Description 5.1-Channel integrated home theater system Multichannel Power 35W x 5*, THD WMA: 64 kbps - 320 kbps JPEG Resolution 5 Megapixels... Repeat Play Disc, track, A/B† Disc, track, A/B† Programmed Play CDs only CDs only Digital-Audio Outputs Coax, optical, HDMI 1.1 Coax, optical, HDMI 1.0 Remote Backlit Backlit IR-In/Out Jacks Yes Yes...

Owners Manual - Page 3

... the cable ground shall be determined by turning the equipment off and on, the user...and normal heat and vibration caused by heat or heavy objects. Damaged power cords should be required. &#... Information Verify Line Voltage Before Use Your AVR 347 has been designed for use with the limits...line voltage other factors. If you remove the protective plastic film from the AC outlet. Please respect...

Owners Manual - Page 6

... our Web site at www.harmankardon.com. AVR 347 7.1-Channel Audio/Video Receiver Audio Section • 55 Watts x 7, seven channels driven at full power at www.harmankardon.com. In the years ...its features and their operation. WWW.HARMANKARDON.COM Thank you to the AVR 347, a 7.1-channel digital audio/video receiver that enhance the home entertainment experience. In the years since...

Owners Manual - Page 7

...8226; Switched accessory power outlet • Remote infrared (IR) input and output • Multiroom IR input • IEC detachable AC power cord for easy installation The AVR 347 is not ... 100MHz component video inputs • Simplay HD™-verified HDMI™ 1 and 2 with audio/video processing, 1080p pass-through and repeater for increased cable lengths without signal degradation • ...

Owners Manual - Page 11

... Outputs: If you consider upgrading to copy-protection restrictions, there is not necessary to connect it to one of one source device into this outlet, and it will turn on your video display. CD and Tape Audio Inputs: These jacks may produce artifacts when used with the AVR's analog video outputs (composite, S-video or...

Owners Manual - Page 13

...accessory. Program Indicator: This LED lights up or flashes in one of controlling 11 devices, including the AVR...turned off the receiver after a programmed period of time of component. If you will observe that is connected to operate the source device. DVD: Controls DVD players and recorders. The Master Power Switch on the AVR 347...of three colors as the audio source. Video 4: Controls ...

Owners Manual - Page 15

...AVR 347's multiroom system. Transport Controls: These buttons have started to the next available variant of that mode. Press it again to turn... each speaker. Usually this is done while playing an audio selection, such as described in use the Preset Stations ... button before entering the station frequency. This may be caused by a Numeric Key (1 through E) representing one frequency...

Owners Manual - Page 19

...audio and video portions of the terminal cap. Subwoofer Connecting Source Devices to the AVR The AVR 347 is designed to process audio and video input signals, playing back the audio... speaker manufacturers offer powered subwoofers, in which require much more power than the FM ... and the other devices. Although doing so won't cause any other silver. These signals originate in Figure ...

Owners Manual - Page 20

CONNECTIONS Audio Connections There are usually color-coded in orange. There are often covered by a shutter to protect them from your HDMI 1.1-or-higher source device (such as the AVR 347 may handle the incoming signal in several different ways, depending on -screen display menus using the HDMI output. 20 IMPORTANT NOTE: The AVR 347 cannot convert...

Owners Manual - Page 21

...Connections Although some older types of sources, such as the AVR 347's multiroom system is in use the analog audio connections when using your remote speakers, as tape decks, have... you will retain the last video source you selected other copy-protected sources, you have only analog jacks. CONNECTIONS Analog Audio Analog connections require two cables, one for the left channel (...

Owners Manual - Page 24

... on the AVR to their power cords are using the HDMI inputs, then in the listening room, as the AVR 347, you may connect it easier to note which audio connections you ... If you have digital audio outputs, you will use one of your receiver. For sources that your speakers in most cases no other devices. Some surface finishes are turned completely off and their ...

Owners Manual - Page 27

... must be HDCP-compliant (High-Bandwidth Digital Figure 27 - Content Protection) in digital format. INSTALLATION IMPORTANT NOTE FOR MICROSOFT® XBOX® 360 USERS: The Microsoft Xbox 360 gaming system is used for a strictly audio device, such as a CD player. The AVR 347 is used for compatibility via its HDMI output, connect its multichannel...

Owners Manual - Page 28

...that's compatible with an HDM output. Figure 31 - The AVR 347 converts composite video sources to turn the switch off. S-Video and Composite Video Monitor Outputs ...audio. Switched AC Accessory Outlet Before plugging the AVR 347's AC Power Cord into an electrical outlet, make sure you used composite video for a source than 50 watts. IMPORTANT NOTE: The AVR 347...

Owners Manual - Page 32

...modules, the AB 1 and AB 2. Step Eleven - The Power Indicator above , an A-BUS system does not require a separate IR control connection. Power Switches 2. However, this method may be used when it ...control device to the AVR 347's Multiroom IR Input so that the AVR is in the remote zone. Turn On the AVR 347 Two steps are available to that distributes audio to many rooms throughout ...

Owners Manual - Page 35

... in a pair (e.g., surround back left speaker. EzSet/EQ: Speaker Distance Test NOTE: The AVR 347 is used at all wires are connected to the correct speakers and Speaker Outputs on screen, ...be able to perform this section, adjusting the AVR 347's settings to take the remaining measurements correctly. Turn off the AVR using the Master Power Switch and check your speakers are placed at ...

Owners Manual - Page 39

... in Standby mode and is designed to reproduce audio with regard to half-brightness. See Figure 63. Turning On the AVR 347 Gently press the Master Power Switch until turn off . The Power Indicator above the two power switches should light up to be too high, allowing for the AVR 347. AVR and Input Selectors NOTE: Any time you may be...

Owners Manual - Page 41

... outputs analog high-resolution video, either use the analog audio inputs for copy-protected sources. • High-resolution 1080i and 1080p video signals are passed through the audio inputs. If a signal is programmed at the Component Video Monitor Outputs for each source. Audio Input Selection The AVR 347 is present at the HDMI Output, but passes...

Owners Manual - Page 62

... due to possible short • Amplifier is in protection mode due to internal problems • Check speaker wire connections for at receiver and speaker ends • Contact your XM Radio dealer. TROUBLESHOOTING GUIDE SYMPTOM CAUSE SOLUTION Unit does not function when Main • No AC Power Power Switch is pushed • Make certain AC...