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Help urgently required.....

Hi, I have a technics stereo which is 7 years old. It is the silver stack system with surround sound speakers (5 in total) It was working fine until 2 days ago, the fault is that the red standby light is showing when plugged in, but to press the actual power on button, it doesnt turn on. Usually, a faint 'click' can be heard when I press the on button. Remote control wont get it to work either. The on button on integrated into the tuner/amplifier section of the stack system. The model no. on it is SA-EH770. Please help, i'm missing it!! Samantha.

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The click you hear is the power relay. Normally that would be followed by amother click of the speaker relay. In this case, the output section is in protect mode because of a fault detected. This will prevent the speaker relay from turning on the speakers. This amp will require repair. I don't recall your specific model, but if it has discrete transistors, expect a parts cost in the $20 range. If it has a single output amp pac, then the part could be in the $65 range. Add in the local labor rate for the complete repair cost.
Dan

Posted on Apr 02, 2008

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Posted on Jan 02, 2017

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1 Answer

DVD player only has background sound (songs, sound effects) but no dialogue when people are speaking


On 5:1 surround sound the voices are only directed to the center front speaker. If you do not have one, but your sound system has been set to surround sound (5:1 or 7:1) in its menus, this will happen. Use the menus on your sound system to set it to '2 channel' or 'Stereo' then all of the available sound on the DVD will be sent to the 2 front speakers.

Dec 20, 2013 | Televison & Video

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No sound from my technics sh eh 770 surround speakers when radio is on


because the incoming signal is stereo not 5.1, You can activate other speakers if You have option " virtual surround" or simmilar

Dec 10, 2013 | Technics SCEH790 CD Shelf System

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Is it possible repair my mruti 800 by my own. becoz i am not happy with the service centres. just they are looting money inretrn they are doing nothing. i want service my car by my own. can u help me


PHASE 1

GETTING FAMILIAR WITH VEHICLE SPEAKERS

The car speakers are located within the vehicle. An observation of the passenger side doors should make accessibility to speakers. The remainng speakers would be locatable at the rear area of a sedan car closest to the wind shield area. The category of the vehicle may determine the positioning of speakers within interior either different with sedans, SUVs or single cabin trucks. However, tuning on the vehicle stereo should ascertain the location areas of sound speakers within the vehicle. The speakers may total four for most dual cabin vehicles, or two speakers for single cabin pickup trucks. Unless the vehicle original speakers were malfunctioning alternate procedures are least required. For example, a damaged speaker may require changing for an alternate acquirable at retail. However, speakers are sold in pairs to achieve coordination of sound requiring for the technician to request for purchase parts in pairs.

PHASE 2

GETTING FAMILIAR WITH SPEAKER TECHNICAL REQUIREMENTS

The stereo speakers have an entrapment space at each area within the vehicle next to passenger's doors. Acquiring accessibility to the speaker coil requires unfastening the plastic covers or interior insulation. Once unfastening cover, the speaker is exposed requiring unfastening also to dismantle from docking station within the door lodging. The speaker comes loose making possible observation for repairs or replacement parts. The area a vehicle speaker is situated may require an alternate arrangement to achieve accessibility. For example, a sedan car rear speaker is accessible at the luggage truck. Single cabin trucks may have stereo speakers at dashboard corners next to the windshield and air space window spaces at doors. An observation of the speaker area within the vehicle should acquire the tools, and compartments that have to be unfastened before speaker come loose.

PHASE 3

ACQUIRING PARTS FOR STEREO REPAIRS

Damage in the stereo setup may require replacement parts. Ascertain the damage from the vehicle prior to acquiring parts. For example, a malfunctioning stereo is physically observed as damaged or least capable of achieving operationally. The stereo speaker's least producing audio sound with proper functioning of the stereo is indication of damage. Once the vehicle damages are ascertained, several additional parts compliment the restoration process. Acquiring a new stereo player would require harnesses, wiring kits, and fasteners also acquirable. A damaged speaker requires dual speakers as replacement to attain sound distribution within vehicle and also as compatibility requirements. Once vehicle parts are acquired for restoration functionalities, tools capable of complimenting the process is required also.

PHASE 4

GATHERING TOOLS

The restoration of damages on the vehicle requires tools to achieve success. However tools have various purposes requiring keen observation of the type of components involved to assemble a tool kit to the task. Observing the broken components would provide details of kinds usually as fastening, unfastening or mending, gripping proposes. Car stereo repairs involve electrical circuits requiring tool separate than the mechanical tools for loosening screws or compartments.

PHASE 5

PERFORMING THE REPLACEMENT

The vehicle requires workshop environments to achieve successful technical restorations. Unless any technical malfunctions were observed complementary to the stereo system speaker repairs, the procedures involve removing and replacing component parts to attain regular functionality. Usually, the process of restoring damaged components requires caution to attain success without compromising the integrity of delicate components.

Jan 23, 2011 | Car Audio & Video

1 Answer

Sound dont work


Your potential problem is that your audio drivers are missing. You may get the drivers from your motherboard CD or motherboard manufacturer's site. But most of the times realtek audio drivers work for most of the system. You may get it from here. http://tinyurl.com/realtekaudio

In the above website, please select the required drivers viz., 2 or 6 or 8 channel drives. If you have just two speakers, two channel is your need. If you have a 5.1 surround or 7.1 surround setup speakers, you may choose 6 or 8 channels respectively. I guess this should solve your problem. And a simple request, please post more technical information about your problem to get more straight answers.
Regards..

NOTE: Choosing a 6 channel driver won't make your stereo (2 channel) speakers sound like 5.1 stereo.

Mar 17, 2009 | Computers & Internet

1 Answer

5ch/7ch stereo in 5 channel mode


Front panel button engaged for 5 or 7 channel operation? Also check front panel rear surround speakers button is engaged. Should get you back to 7.1 unless you have changed the rear surround speaker setup for a 2nd zone, also be sure you have a 7.1 DSP setting enabled.

Feb 22, 2009 | Denon AVR-2105 Receiver

2 Answers

Can n ot get rear surrround speakers to work


On this reciever you have rear surround and rear back spkrs, if your using the surr back they have to be assigned if unassigned in the settings. If using rear surr spkrs change your surr field to 5ch stereo and your rear speakers will work.
There is no 7.5 unless you have 5 subs the 7 is the total number of speakers and the .1 is the number of subs in the system

Feb 02, 2009 | Denon AVR-1708 Receiver

1 Answer

Can't get Surround Sound with Movie


hiya

do you get full 5.1 when watching a movie from the dvd player...........??

as when u watch tv the reciever must be set to pro logic to enable 5.1 upmix as its only a stereo feed....

Dec 15, 2008 | Technics SA-DX1050 Receiver

1 Answer

AVR 120 5.1 -dolby surround sound & logic 7.


The problem is fixed...
and every thing sounds great !!

Thanks for the premium assistance to help solve my problem...

Pierre

Dec 07, 2008 | Harman Kardon AVR 120 Receiver

1 Answer

Sound problem


Hi,

I have a creative SoundBlaster LIVE! 24 Bit External Sound Card and this annoyed me for weeks.

depending on your surround sound reciever depends on the solution.

i have an Acoustic Solutions surround sound system with coxial and optical inputs, aswell as stereo red & white jack inputs.

not knowing the method or connection your using makes it difficult to give you a single solution so i'll list a few.

The soundblaster software shoudl include the Creative Audio console with all sorts of effects, one is CMSS (CMSS-3D) Stereo widening which is still stereo but gives a surround sound effect.. but i'm guessing you payed for 5.1 and you want 5.1 onto the next part

5.1 surround sound can only be produced when the actuall audio your playing contains 5 channels of audio, for example you cant play a stereo song in 5.1 surround sound without some sort of hardware or software sound manipulation. Luckily my surround sound system has Pro Logic II built in and some other effects which convert a 2.1 signal to a 5.1 signal and it works brilliantly. I'm not sure of a software alternative.

setup for your soundcard will be different under XP and Vista also, but there should be a properties option for your sound device where you can select your speaker setup such as headphones, built in speakers, 2.1 speakers, 5.1 speakers, 7.1 speakers and you should be able to manage this from the creative software.

If using Coxial / Optical or SPDIF under vista you MUST set the playback device as SPDIF, at least you have to with my sound card and drivers and seems to be a limitation of the actual sound card drivers for vista.

Personally i was looking forward to hearing the windows login melody in 5.1 surround sound too, but this doesnt happen.

Infact i find that almost all programs bar a few will not play Dolby Digital or DTS 5.1 surround sound via any or my output options hence the next solution..

if you have the 5.1 sound but winamp simply just plays it in stereo try the following.

You need to use DirectSound Output:

Preferences (Ctrl-P) > Plug-ins > Output > Select "DirectSound Output"

That should work in most cases, but if not, then:

Checkmark: "Allow hardware acceleration" in DirectSound Output config,
and make sure your sound card/chip is selected as Output Device.

Note that any changes will take effect only after playback is restarted.
In some cases, a Winamp restart is required.

If that doesn't work make sure you have the latest version of DirectX
(v8.x or higher is required)

Winamp 5.25/5.3 and higher:
For actual multi-channel files (ie. aac/wav/ac3/ogg/wma files encoded in 5.1ch surround, as opposed to standard 2-channel stereo mp3's), you need to checkmark "Allow surround sound" in 'Winamp > Prefs > Playback' for the music to play in its original 5.1 channel format (Note that this setting is checkmarked by default).

Windows Vista:
In addition to the above instructions, Vista users will also need to go to:
Control Panel > Sound > Playback tab > Speakers > Configure:
Select: 5.1/7.1 Surround.
Then:
Control Panel > Sound > Playback tab > Speakers > Properties > Enhancements tab
and checkmark "Speaker Fill"

Hope this helps

Anthony Kinson

Apr 22, 2008 | Audio Players & Recorders

1 Answer

No surround sound with dolby


I have the same system, the ports for surround speakers only seem to work with the actual surround speakers I bought mine with. I did try to change them but found a sound issue. Looking to buy a new 5 cd changer as mine was damaged during our recent move. Looking to buy model number DX-Z9400M

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