Connex electronics CxD500 - sleep / mute function - diyAudio
Go Back   Home > Forums > Amplifiers > Class D

Class D Switching Power Amplifiers and Power D/A conversion

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 30th March 2014, 06:26 AM   #1
diyAudio Member
 
Join Date: Jul 2013
Default Connex electronics CxD500 - sleep / mute function

I have assembled plate amps using the above modules with the matching SMPS600RxE but I am confused as to how to use the 'sleep' connection. The instructions talk of +5v for sleep (whatever the difference is between sleep and mute) and -5v for (presumably) awake, but where do I get the -5v from? Bit reluctant to just put power on in case............... Have tried to get help from Connex but not very responsive. Cheers, Phil
  Reply With Quote
Old 30th March 2014, 10:26 AM   #2
Cristi is offline Cristi  Europe
diyAudio Member
 
Join Date: Dec 2008
Location: Dortmund+Shenzhen
I already explained by mail yesterday, and is written in manual. Does anyoone on the forum can offer more details?
__________________
www.connexelectronic.com complete assembled amplifier and SMPS
  Reply With Quote
Old 30th March 2014, 05:00 PM   #3
diyAudio Member
 
Join Date: Jul 2013
Please anyone? The manual just talks about +/-5v, not where you get it from and what is the difference between sleep and mute?
  Reply With Quote
Old 1st April 2014, 10:57 AM   #4
diyAudio Member
 
Join Date: Jul 2013
Having not got much in the way of support from Connex (to be fair I don't think English is their first language) I just did a final check and turned it on. +/- 71volts = good, all working, just did a sanity check on my 3 ebay speakers before going back onto dummy load - all good.

The outcome is that both the 'mute' and 'sleep' lines can be left un-connected for normal operation
  Reply With Quote
Old 1st April 2014, 05:17 PM   #5
Cristi is offline Cristi  Europe
diyAudio Member
 
Join Date: Dec 2008
Location: Dortmund+Shenzhen
Dear Phil, explain me what means good support for you ? available 24/7 and reply to questions not asked yet ?
I counted 13 emails in our email exchange, 6 of them are my replies. last reply sent in 29 march, below is what I wrote:

Hi Phil,
Same as written in the manual, (btw have you read it since our last mail exchange?) Mute pin is input, active low, leave unconnected for normal operation and Sleep is output active high will have +5.5V when the module is muted, for whatever reason and -5.5V during normal operation. this pin is used to indicate the status of the module.


I'm sorry if wasn't clear enough I can't write novels within each mail. There are other 50-60-70 each day asking all kind of questions. If one of them doesn't get an answer, snap !!! that coonex $#!& ignored me. In almost each mail there is one more question, one last question. why don't you put them all in one mail ? why don't you RtFM first of all? these modules are not intended to be used by anyone who don't have at least basic knowledge how an amplifier, power supply or anything combined works. Otherwise there are many other risks involved including electrocution.
Luckily you have this forum where you got plenty of qualified answers, and keep counting. Wait, not so many but someone will chime in soon and will tell us that IRS2092 amps are sensitive at decoupling caps and layout, easy to blow and will not work without buffers on output transistors. was that useful ? What was your question first ?
Make sure you won't blow the boards following those advices.

And yes, English is not my native language, what a shame. But I'm satisfied because I can master 4 (four) foreign languages at least at the same level as my English. One of them is Chinese ! My native language isn't included. Plus 4-5 others which I know a little but enough words to manage to get to a destination or explain what I want. How many do you master ? I'm sure a lot more.
I think i should do what most of other companies are doing. hire someone to answer mails, or set-up an automatic answer generator script which will answer based on the content of question. that's it, nothing more. Any more question ? ask wherever you want. I wonder how many of you ever complain when buy whatever else on ebay from other Chinese companies which don't even have a description, and nobody is to be found to answer simple technical questions. See TPA3116 thread.
__________________
www.connexelectronic.com complete assembled amplifier and SMPS
  Reply With Quote
Old 1st April 2014, 05:48 PM   #6
diyAudio Member
 
Join Date: Mar 2007
Location: California
I also was confused about Sleep and Mute on the CxD500. There is no mention of input/output functions of the mute and sleep pin, so that is new and useful info.

Here are the exact words from the manual:
Quote:
The Signal input connector pinout (from bottom to top) is as follows:
  • Pin 1: Non-Inverting Input
  • Pin 2: GND Signal
  • Pin 3: Inverting Input
  • Pin 4: GND Signal
  • Pin 5: Sleep (sleep mode=5V Run mode=-5V)
  • Pin 6: Mute (pull-down = Mute, left open or >5V Run)
  • Pin 7: Temperature feedback (Heatslug temperature monitor 3-10V DC)
Presented with only the above information, I assumed that one needed to SUPPLY +/-5V to the sleep pin to set the sleep state of the amp. Addition of one or two words would have made all the difference, for instance:
"Pin 5: Sleep indicator (sleep mode=+5V, operate=-5V)"
or
"Pin 5: Sleep state output (+5V when in sleep mode, -5V under normal operation)"

Another point is that the word "sleep" is only found on this one line in the manual. There is no information that I can find (in the manual or on the product web page) about what the sleep mode is, when the amp enters sleep mode, if the user must control it, etc. It might be helpful to add a sentence or two about the sleep mode. This might help clear up any future confusion from your customers.

Otherwise this amp seems to be a very, very nice product and this is a small oversight that can easily be corrected.
  Reply With Quote
Old 1st April 2014, 06:22 PM   #7
diyAudio Member
 
Join Date: Jul 2013
I am sorry but I never received the email that you have copied to me now and I checked the forum a few minutes ago. Knowing that 'sleep' is an output makes a big difference to my understanding of the module. Yes, I read the web page again before assembly and I am an experienced builder of electronic projects with a degree in electronic engineering. Apologies if I have offended you but after spending lots of I get anxious about turning it on.

Anyway,it is working fine now but I will not make any judgement on sound quality until it has a few more hours on it and my adrenalin level has gone down.

Again, I meant no offence but the key is knowing 'sleep' is an output. Thanks ChalieLaub for your input.
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Connex 3020 Module mute function (v4) slimecity Class D 0 1st February 2012 11:16 PM
Motorized ALPS-based remote control kit with ext. on/off, sleep and mute functions! Altmustech Swap Meet 5 26th June 2010 02:06 PM
Which switch for sleep function on Amp6 rca9449 Class D 3 9th August 2007 08:11 PM
Tripath sleep/mute start up delay BWRX Class D 1 25th September 2005 08:45 PM


New To Site? Need Help?

All times are GMT. The time now is 10:17 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2