LG CM8430 Support Question
LG CM8430 Support Question
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Question posted by karcy83 on July 22nd, 2015
What I Do If My Music System Turn Off And The Screen Show D-protection?
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Request from yongamamzotho99 on December 19th, 2023 2:44 AM
My LG home theatre system turn on and write D-protection on it
My LG home theatre system turn on and write D-protection on it
Current Answers
Answer #1: Posted by TommyKervz on July 23rd, 2015 5:27 AM
TommyKervz
Member since:
January 10th, 2013 Points: 17,776,813
Member since:
January 10th, 2013 Points: 17,776,813
If D-protection or PROTECTOR is flashing in the display of a home audio device such as an A/V receiver, or home theater system (hts), there may be an external speaker issue or connection issue that is triggering the protection circuit. Try following these steps to resolve this issue:
NOTE: Because each of these steps represents a possible solution to this issue, check the A/V receiver status after completing each step.
- If there has been an electrical surge or power outtage, then the internal surge protection inside the home audio device may have been triggered to protect the device from the surge. This is normal. To reset the internal surge protection circuit unplug the AC power cord from the wall for at least 30 minutes.
- Ensure the top of the home audio device has proper ventilation to keep it from overheating. Running the home audio device in a poorly ventilated cabinet can trigger the protection circuit.
- Reduce the volume level. If the impedance of any of the speakers is below the rated impedance range indicated on the rear of the home audio device next to the speaker connections, the home audio device may enter the D-protection mode. Raising the volume with a low impedance speaker will trigger the protection circuit.
- Turn off the home audio device. Let the home audio device cool down for at least 30 minutes while troubleshooting speaker or speaker connection issues, which can trigger the protection circuit inside the home audio device:
- Disconnect ALL of the speaker wires from the back of the home audio device including the subwoofer.
- Carefully inspect the speaker wire at both ends. Verify that it is tightly twisted and not frayed at all. It only takes one tiny strand of wire to short and cause this error.
- After the home audio device has cooled down, power on the device. If the home audio device operates without displaying any errors then the home audio device is not defective and there is an external speaker issue, which is causing the receiver to protect itself from that condition.
- If the home audio device still displays a D-protection error or does not turn on, then service will be required. Otherwise, continue troubleshooting with the following steps.
- Connect just the Front A speakers and turn on the home audio device. Turn up the volume and operate the receiver for at least 30 minutes until it completely warms up. If the home audio device operates without displaying a protection error, then slowly continue connecting each additional speaker one by one and test each additional speaker until you determine which speaker/speaker connection is causing the protection error.
If the issue is still unresolved, service may be required' visit your local dealer.
Related LG CM8430 Manual Pages
Owners Manual - Page 2
...accompanying the product.
CAUTION: This product employs a Laser System. To ensure proper use of
uninsulated dangerous voltage
within an... equipment in hazardous radiation exposure. alert the user to protect it for
CAUTION: TO REDUCE THE RISK OF ELECTRIC ...To prevent direct exposure to laser beam, do not
try to . CM8430-AB_DUSALLK_ENG.indd 2
2013-01-24 �� 8:09:13 The...
Owners Manual - Page 3
Protect the power cord from physical or
mechanical abuse, such as sunshine, fire or the like. CM8430-AB_DUSALLK_ENG.indd 3
2013-01-24 �� 8:09:13 To prevent
owner's manual to human and animal health, the
wall outlets, extension cords, frayed power ...
Owners Manual - Page 4
...is damaged, liquid has been spilled or objects have fallen into your safety. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and... the point where they exit from tip-over. CM8430-AB_DUSALLK_ENG.indd 4
2013-01-24 �� 8:09:14 Refer all instructions.
5. Install in...
Owners Manual - Page 5
... to which can be determined by turning the equipment off and on a circuit...for harmful interference to co-channel Mobile Satellite systems. High power radars are designed to reduce ...5.15 to 5.25 GHz to provide reasonable protection against harmful interference in a residential installation....35 GHz and 5.65 to radio communications. CM8430-AB_DUSALLK_ENG.indd 5
2013-01-24 ��...
Owners Manual - Page 7
...30 - AUTO DJ playback
41 - Notes on the
4
Bluetooth devices
28 - Listening to music stored on Discs
26 - Improving poor FM reception
5
30 - Deleting an MP3/WMA ...31 Other Operations
31 - Setting the Clock Manually
33 - DEMO
31 - Turn off the speaker
light(For CM8530, CM8430)
32 Sound adjustment
32 - JUKE BOX Playback
41 - Selecting a folder and...
Owners Manual - Page 8
... effects
Listens to the page 28. Remote Control (1)
Batteries (2)
LG Bluetooth Remote
LG Bluetooth Remote is an App designed to music stored on your bluetooth device. Non-skid pad(1)CM8530 only
CM8430-AB_DUSALLK_ENG.indd 8
2013-01-24 �� 8:09:15 Getting Started
8 Getting Started
Unique Features
Accessories
1 Bluetooth®
Listens to...
Owners Manual - Page 9
...32 to make the discs compatible with this unit does not support all data.
CM8430-AB_DUSALLK_ENG.indd 9
2013-01-24 �� 8:09:15 Getting Started
...system is supported.)
yy This unit is not supported when the total number of this unit. yy File extensions : ".mp3"/ ".wma"
yy CD-ROM file format : ISO 9660/ JOLIET
yy We recommend that support USB2.0 or USB1.1.
1
MP3/WMA music...
Owners Manual - Page 15
... setting the clock and checking the time.
Makes your music. Selects STEREO/MONO. list.
-- VOL +/- : Adjusts...closes the disc tray.
SLEEP : Sets the system to the page 24
JUKE BOX :
-- ...Skip/Search) : --
Selects JUKE BOX mode.
-- CM8430-AB_DUSALLK_ENG.indd 15
2013-01-24 �� 8:09... MP3/ mode. (For more information refer to turn CD, USB play .
c
0 to the ...
Owners Manual - Page 18
...Speaker duct: A hole for plentiful bass sound on the TV screen or PC monitor screen. CM8430-AB_DUSALLK_ENG.indd 18
2013-01-24 �� 8:09:...21 yy Make sure to install the speaker with other people in a limited space. It may occur on speaker cabinet (enclosure).
yy Check the volume level before playing music...
Owners Manual - Page 20
IN connector.
CM8430-AB_DUSALLK_ENG.indd 20
2013-01-24 �� 8:09:22 IN Connection
Connect an output (earphone or line out) of the unit. 2. Connect the portable player to music from your device has only one output for audio(mono),
connect it playing. Turn the power on the unit. Select the PORTABLE or...
Owners Manual - Page 22
...directly
numerical buttons on the display window.
CM8430-AB_DUSALLK_ENG.indd 22
2013-01-24 �� 8:09:24
Press I.
3
Playback Press d/M. Turn Y/U
Searching Press and hold knob clockwise or.... track/file
Turn Y/U knob clockwise or counterclockwise during playback.
1.
Press PRESET.FOLDER W/S repeatedly until
within a want to listen to music from the point...
Owners Manual - Page 24
... is supported only on the display window.
CM8430-AB_DUSALLK_ENG.indd 24
2013-01-24 �� 8:09:24 Beat box
It inserts a beat box during playback.
yy SMART DJ is recommended to enjoy the effect. yy If SMART DJ is turned off and the music will be recorded without any sound effect. Operating...
Owners Manual - Page 25
...seamless playback.
1.
Operating
EFFECT. Turn DJ EFFECT clockwise or counterclockwise
SEQUENTIAL) on the unit.
yy During recording, AUTO DJ function is less than 60 seconds. CM8430-AB_DUSALLK_ENG.indd 25
2013-01-24...DJ function is not supported in which you turn DJ EFFECT. You can hear two kinds of voices yourself. REPEAT ALL
The music is selected when played JUKE BOX list. To...
Owners Manual - Page 26
... To check the status of JUKE BOX, press JUKE
2. Deleting or recording music files in the case below .
--
Select a track/file by pressing ...the unit.
1. Playing a file by turning FILE SEARCH on the display window when you press JUKE BOX. Select ...files from any disc or USB device. the unit.
3
3.
Operating
CM8430-AB_DUSALLK_ENG.indd 26
2013-01-24 �� 8:09:25 Making ...
Owners Manual - Page 27
... a Bluetooth
Listening to music stored on
wireless technology
the Bluetooth devices
Before you start the pairing procedure, make
sure the Bluetooth feature is turned on in to be ... For example, if your Bluetooth device's user guide. A2DP (Advanced Audio Distribution Profile)
3. CM8430-AB_DUSALLK_ENG.indd 27
2013-01-24 �� 8:09:25
connection interfered by using
The ...
Owners Manual - Page 29
... connection you want to get more information to start downloading Bluetooth app.
4. CM8430-AB_DUSALLK_ENG.indd 29
2013-01-24 �� 8:09:25 Tap an icon...
tap [Setting] and [Help].
,,Note
yy This unit does not support the multi-pairing.
yy Depending on the home screen to open "LG Bluetooth Remote" app, and go to the Internet. In such a case, please check the connection ...
Owners Manual - Page 31
...CD, USB,
AUX-MIC and BLUETOOTH. to minimum or turn off the light, press SPK Lighting/DEMO (CM8530 / CM8430) repeatedly until the light will pause to the MIC ...music you can enjoy other functions during the DEMO. To cancel the DEMO, press it may be distorted. Sing along with a demo sound and a display by rotating MIC VOL. Then the DEMO will be turned off the sound temporarily 1. Turn...
Owners Manual - Page 32
...the treble sound.
BYPASS
You can listen to the genre of which is
CUMBIA/AFRO HIP HOP)
displayed. CM8430-AB_DUSALLK_ENG.indd 32
2013-01-24 �� 8:09:25 yy By pressing BASS BLAST on the ...
32 Operating
Sound adjustment
Setting the surround mode
This system has a number of song files.
3.
"USER EQ" is the most similar to music with equalizer by turning Y/U knob.
Owners Manual - Page 35
... to select a bit rate.
X1 SPEED
protected material, including computer
Operating
- You can listen to finish the setting.
the remote control to music while recording it. Connect a USB device ...on the remote control. Dubbing USB to USB
You can just record the music file. Be responsible
Respect copyrights
CM8430-AB_DUSALLK_ENG.indd 35
2013-01-24 �� 8:09:25
To stop...
Owners Manual - Page 36
... be used for the USB record on the display window. yy When you record music from CD to record music stored on its own when you stop recording during playback, the file that has been...CM8430-AB_DUSALLK_ENG.indd 36
2013-01-24 �� 8:09:26
yy It'll be kept
3
even after recording.
yy You can not be stored. (Except MP3/WMA files)
yy Do not remove the USB device or turn...
LG Knowledge Base Results
We have determined that the information below may contain an answer to this question. If you find an answer, please remember to return to this page and add it here using the "I KNOW THE ANSWER!" button above. It's that easy to earn points!-
Television: Noise/Audio problems - LG Consumer Knowledge Base
... may cause an audio problem. 6. Download Instructions Using the TV as necessary. This can be corrected by turning on auto leveler using the menu found on the media device, especially if using a HDMI cable or digital... connected cable box. Make sure these options are not selected if a home theater system is not selected in audio menu. If a cable box is bad on English. 5. -
Blu-ray player: Checking for updated firmware from within the player. - LG Consumer Knowledge Base
...turned on how to create a firmware update disc or load the firmware to avoid the frustration of the update process. Example update alert from an LG Blu-ray enabled home theater system...performance and stability of a newer firmware version) Periodically, checking for how to a home network either wired or wirelessly will playback. services may further assist you . How can be ... -
LHB975 Rear Speaker / Subwoofer Syncing - LG Consumer Knowledge Base
... of the home theater system, and the LED indicators are RED, please follow the steps outlined below to sync the speakers to both the subwoofer and the wireless receiver. Turn on both ..., pairing was successful. If you see the blue LED indicator lights, please repeat steps 1-4. / Home Theater LHB975 Rear Speaker / Subwoofer Syncing In a case where there is no sound coming from within the...
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