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SE4 DSP Stereo Encoder 19KHz pilot output level

 
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SE4 DSP Stereo Encoder 19KHz pilot output level
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Carlos
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Post SE4 DSP Stereo Encoder 19KHz pilot output level Reply with quote
Is it possible to reduce the 19KHz pilot level?. I can hear it on the radio and I think it has been increasing since I bought it.

Thank you.
Tue Nov 24, 2009 11:35 am View user's profile Send private message
pcs
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Post Reply with quote
I can show you which resistor to change.

Which version of the board do you have? Does it look
the same size as this:
http://www.pcs-electronics.com/se5000-stereo-encoder-p-1274.html

SE4 is pretty old, huge improvement was made in the 5000 model.

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Wed Nov 25, 2009 2:07 am View user's profile Send private message Visit poster's website
Carlos
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There is no version printed, just the model and dated on 2005.
If you could show me the resistor I would connect a trimmer.
Thanks.
Wed Nov 25, 2009 11:37 am View user's profile Send private message
Carlos
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Hello... can you help me, please?....
Tue Dec 01, 2009 3:34 pm View user's profile Send private message
pcs
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Can you at least write here the dimensions of the board so I can identify which model it is?

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Marko - PCS Electronics
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Tue Dec 01, 2009 5:11 pm View user's profile Send private message Visit poster's website
Carlos
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Oh yes!, here is the information:

Dimensions: 100mm X 85mm
Model: SE4 DSP+
Date printed: 2005
Order: 14 January 2007, nº 60361
Wed Dec 02, 2009 12:01 am View user's profile Send private message
pcs
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Post Reply with quote
Hi Carlos,

behind the pilot phase trimmer towards attiny26 there is a 223 resistor, do you see it?
You can replace this with 100K trimmer and you will be able to set pilot level.

Good idea is to get precision 100K or 200K trimmer, such as this blue 10K for phase,
and glue it to the 10K with fast glue for stability.

Than you can set it practically down to zero.

Hope this helps. If not it is time to upgrade to SE 5000 DSP+, much better.

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Best regards,
Marko - PCS Electronics
--------------------------------------------------------
Turn your PC into a FM radio station!
http://www.pcs-electronics.com
fax +386 4 2316 128
Wed Dec 02, 2009 1:25 pm View user's profile Send private message Visit poster's website
Carlos
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Successful!, now I can barely hear the tone pilot and the stereo sound is working

Thank you once more.

Regards.
Sun Dec 06, 2009 5:35 pm View user's profile Send private message
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