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I have a Goodmans 5.1 channel digital amplifier. the unit is switching to standby mode automaticaly and there is no out.

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Posted on Jan 02, 2017

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SOURCE: Sound Interference coming throught the Amplifier

On many occasions high pitch interference is a result of bad wiring and grounding problems. Check to make sure that you followed the manufacturer's instructions concerning grounding and installation of the amp, and if possible try and install it at another location in your house, using other electricity sockets. If the problem is solved by relocating the system, you might be looking at wiring problems (audio equipment can be very sensitive to that), if changing anything in the installation process solved the problem then the problem was probably due to bad grounding and "loose" electricity. Try making the installation as "clean" as possible, avoid tangled wires and stressing a single socket with too many electric appliances. If the problem persists, and you are still under warranty, I suggest contacting your local Yamaha dealer. If you're out of warranty I suggest locating a professional repair person.

Posted on Jan 19, 2006

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Look in those areas first.

An alternate way would be to go to a box and input signal to rear audio and video jacks---the box would then retain channel memory etc and this would bypass your issue.

Apr 17, 2012 | Televison & Video

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We have a LD3266D Goodmans TV, since the switch over we have to tune the TV in everytime it's switched on, before the switch over the TV would auto tune and store the program's with no problem, any...


If you switch your tv of at the plug the software cant do the updates. Leave the tv in standby over night and that should work.
If you do leave it on standby but still losing channels contact goodmans as you may need an update of the software

Oct 28, 2011 | Goodmans 255NS 25" TV

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Hello! I have a problem with my Sony S-master 5.1ch Full Digital Amplifier (DAV-S880). When I start it as blinking standby light and nothing works. I have checked the fuse.


If the light blinks you need not check the fuse, its an indication that your amp has gone into protection mode due to an output failure. You will have to take it to an authorized service center because the S-master chip is a surface mounted device which needs a specialized equipment for de soldering and soldering.Even an ordinary service technician might refuse to handle this work.

Aug 11, 2011 | Sony TA-N9000ES 5-Channel Amplifier

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My digital amplifier S-MASTER,mod HDC-SB300 just 5 seconds after I turn it on swithes off by itself and the standby light keeps flashing and the display stays off and i can do nothing..thanks


hi,
may be ur amplifiers any of the output channel have some problem. that's why it goes off after power on, protecting ur speakers. disconnect all the speakers and inputs and then power on it if works check ur speakers and inputs. if not there is fault inside ur amplifier.
ok

Dec 22, 2010 | Sony TA-N9000ES 5-Channel Amplifier

1 Answer

When i switch on and then press for channel the standby light goes dull and tv does not come on. tried power down and trying again but no luck


There is probably a leaking diode or something that is overloading the power supply in the TV. I had recently fixed an HDTV in which the standby light was flashing on and off dimly but would not come on. I measured the standby voltage and it was only a little over 2V which should have been 5 volts. Then I checked to see if the standby circuit was switching ( they switch on and off at 100,000 times per second if operating). It would switch on then off the on then vice versa every fraction of a second and that indicates overloading. Sure enough i found a diode that was shorted almost completely. All semiconductor only let current to pass one way . These are diodes, transistors and chips. They are like electical one way valves and when they get messed up the leak untill current goes both ways and this causes a short which in turn overloads the system and cause shut down. You can try to learn how to test these device using a the diode feature in a digital multimeter.

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Cannot get my goodmans 289ns to accept the virgin digital signal


Will the TV go to channel 3? if not you need to reporogram the TV to sence channel 3 or go into the setup and undelete channel 3. Channel 3 is the channel your digital box is set to boradcast to the tv itself.

Apr 22, 2009 | Goodmans 289NS 14" TV

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Ppower on then standby problem Kenwood KR-V8060


This fault may be similar to a Harmon Kardon AVR1550 fault I recently encountered. I did all the usual checks e.g. testing for presence of DC on speaker outputs etc. but all seemed fine, then the fault cleared! Next day it re-appeared and attention was (falsely) given to the protection circuits as the amplifier circuits themselves were considered to be in order. The HK uses both voltage and current protection circuits and it was discovered that the current protection circuit was operating. Eventually the fault was found to be one of the 0.39 Ohm 3W metal oxide resistors that had gone high in value on the left hand channel. Of course your amplifiers fault may not be due to this but the reason for going into standby would probably be the same i.e. due to amplifier protection circuits operating. You need to check out all the output devices and those resistors on every channel, even surround ones you may not be using. Hope this helps.

Nov 01, 2007 | Audio Players & Recorders

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