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Problems with freq on MAX PRO 3

 
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Problems with freq on MAX PRO 3
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djhubbalubba
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Post Problems with freq on MAX PRO 3 Reply with quote
I tuned my MAX PRO 3 to 100.9 MHz, but when i search on a car radio it show 100.85MHz.
How can i fine-tune this to 100.9MHz?
Tue Jun 19, 2007 6:27 pm View user's profile Send private message
pcs
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Post Reply with quote
Look at the manual, there is a trimmer on board and it is all explained
in the manual.

We have invested a lot of time into writing these things, but it seems
sometimes that nobody ready them. d'oh!

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Tue Jun 19, 2007 9:38 pm View user's profile Send private message Visit poster's website
djhubbalubba
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Post Reply with quote
I have another problem, the signal was poor and just transmitt a few meters.
I don't have the LCD panel, i set the jumper i PO 2, no signal come.
I don't find out of it.
Tue Jun 19, 2007 9:45 pm View user's profile Send private message
pcs
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Post Reply with quote
Rotate trimmer to adjust power.

I hope the extra trouble you're having with jumpers and switches
is worth the savings from not getting the LCD module as well

Sorry, I am just being a bit naughty today

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Marko - PCS Electronics
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Turn your PC into a FM radio station!
http://www.pcs-electronics.com
fax +386 4 2316 128
Wed Jun 20, 2007 1:06 pm View user's profile Send private message Visit poster's website
djhubbalubba
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Post Reply with quote
When i have jumper on ''LCD'' it work and the transistor get warm. When i move it to P2 it transmit for a few meters and the transistor is cold.
When i turn the trimmer nothing happend.
Wed Jun 20, 2007 1:26 pm View user's profile Send private message
pcs
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Post Reply with quote
Its multiturn, you need to turn it for a while and in the correct direction.

M

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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 Jun 20, 2007 1:47 pm View user's profile Send private message Visit poster's website
djhubbalubba
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Post Reply with quote
to left og rigth to get more power? Look at the picture
And must the jumper be placed on LCD or P2?
http://www.kanal1romerike.frac.dk/Refresh/transmitter.JPG


Last edited by djhubbalubba on Wed Jun 20, 2007 2:08 pm; edited 1 time in total
Wed Jun 20, 2007 1:57 pm View user's profile Send private message
pcs
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Post Reply with quote
If you don't like trimmer, you can also try 1K potentiometer.

_________________
Best regards,
Marko - PCS Electronics
--------------------------------------------------------
Turn your PC into a FM radio station!
http://www.pcs-electronics.com
fax +386 4 2316 128
Wed Jun 20, 2007 2:08 pm View user's profile Send private message Visit poster's website
djhubbalubba
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Post Reply with quote
how long must i turn it to get full power? 15w or 20 w?
I have turn i for while and it come a ''click'' from it when i have turn the screw 360 degrees
Thu Jun 21, 2007 12:03 pm View user's profile Send private message
pcs
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Post Reply with quote
It is about 10x 360degrees to get a full turn.

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Marko - PCS Electronics
--------------------------------------------------------
Turn your PC into a FM radio station!
http://www.pcs-electronics.com
fax +386 4 2316 128
Thu Jun 21, 2007 8:49 pm View user's profile Send private message Visit poster's website
djhubbalubba
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Post Reply with quote
And then i will get full output?

Or is it 10 x 360 degrees = 1W or someting?
Thu Jun 21, 2007 9:29 pm View user's profile Send private message
pcs
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Post Reply with quote
its a multiturn precision trimmer, there is no scale. Turn it one way and power goes up, turn it the other and power goes down. Most people prefer to set power and frequency via LCD display. In some cases they also use potentiometer, which can be connected to the board via 3 provided holes.

_________________
Best regards,
Marko - PCS Electronics
--------------------------------------------------------
Turn your PC into a FM radio station!
http://www.pcs-electronics.com
fax +386 4 2316 128
Sat Jun 23, 2007 9:38 pm View user's profile Send private message Visit poster's website
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