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Old 28th April 2010, 08:14 AM   #51
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Location: Randers, Denmark
Crap - my bad. I have used 1 or 2 metal screws and the rest i platic, because the holes I made was slightly inaccurate, and the platic screws could bend a little.

The high frequency noise on start up is present with a battery powered CD player, I guess the onlyu possible error would be my platic screws? I will test the modules, but I have extra on stock so no worries.

Btw. the amps sounds amazing compared to my panasonic SA-XR50 (analog input). It was really not fun at all to reinstall the panny after e few weeks with the TDA8950 modules.
 
Old 5th May 2010, 09:46 PM   #52
bjorge is offline bjorge  Norway
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Default 7-pin connector - how to connect ?

Hi !
I just received 2pcs TDA8920SMPS and 2pcs TDA892x Amp V2.
They ship with 7-pin connector cables - but I can't find any information on what pins are used for what ?

Regards, Bjorge
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Old 6th May 2010, 10:57 AM   #53
Cristi is offline Cristi  Europe
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Please check the pinout in the manual on the product page: Connexelectronic
here is the direct link to the amplifier manual: http://www.connexelectronic.com/docu...ier_Module.pdf
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www.connexelectronic.com complete assembled amplifier and SMPS
 
Old 6th May 2010, 06:47 PM   #54
bjorge is offline bjorge  Norway
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I'm very sorry, the file is damaged when I try to open it !
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Old 6th May 2010, 09:01 PM   #55
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Quote:
Originally Posted by bjorge View Post
I'm very sorry, the file is damaged when I try to open it !
It works fine for me...
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Old 6th May 2010, 09:32 PM   #56
bjorge is offline bjorge  Norway
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Yeah, thanks ! I tried another pc, and I got to read them, too...;-)
Sorted out, then !
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Old 15th May 2010, 12:06 PM   #57
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Join Date: Aug 2004
Location: Frederici
Hi,

Im going to mount my board to the chasis but i would like to clear something first:

1. Do i need to put metallic screws into ALL the mounting holes, into the heatsink?

2. Is it ok that the "chip" have direct connection to the heatsink, or do i need to put some of the plastic in between so the heat is transfered, but there is no electrical contact?

3. My heatsink i mounted in my computer, is it ok that the heatsink have "electrical contact" with the chasis, or do i need to "seperate it with e.g. plasic screws?

EDIT: its the 8950th chip

Best Regards

Thomas

Last edited by akilleuz; 15th May 2010 at 12:15 PM.
 
Old 15th May 2010, 04:39 PM   #58
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I forgot to mention:

4. I have 2 modules on the same heatsink, do i need to seperate them to?
 
Old 15th May 2010, 04:52 PM   #59
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I forgot to mention that i have mounted both modules on the same heatsink, do i need to seperate them, so they cant see each other electricaly?
 
Old 16th May 2010, 07:59 PM   #60
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Join Date: Dec 2003
Location: Randers, Denmark
Metal screws in all holes are important, I've been told. Chip definately have to be isolated from the heatsink. Two boards either need two power supplies or share an external clock.

See also page 5 here

http://www.connexelectronic.com/docu...ier_Module.pdf

Last edited by Kjeldsen; 16th May 2010 at 08:09 PM.
 

 


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