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« on: August 31, 2009, 12:51:24 PM »
sandeepm
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Hi,
I have one E-Fly 100 C Tx, which i want to convert it to 2.4 Ghz  with Assan Hack(72 Mhz is not working, range problem). can some tell me where i can get the PWM signal from the PCB of Tx. Please refer to the Picture Below:
1.
http://img37.imagefra.me/img/img37/2/8/31/sandeepm/f_ksl30jbl3xhm_330f888.jpg
PPM Signal in My Tx

2. Back of the Rf Card:
http://img37.imagefra.me/img/img37/2/8/31/sandeepm/f_leeo3juwp2im_6752dfe.jpg
PPM Signal in My Tx

3. Main Controller Card:
http://img37.imagefra.me/img/img37/2/8/31/sandeepm/f_w5ahbyuhfupm_18de901.jpg
PPM Signal in My Tx

4. Back of Mail controller Card:
http://img38.imagefra.me/img/img38/2/8/31/sandeepm/f_x2frtbucxbnm_75274cb.jpg
PPM Signal in My Tx


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« Reply #1 on: August 31, 2009, 01:24:28 PM »
sahilkit
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if you have access to pc scope then may be you can trace the PPM signal but from the pictures its hard to tell unless some one has already done it

sahil
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« Reply #2 on: August 31, 2009, 05:53:50 PM »
sandeepm
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Suppose i arrange the Scope from some wher, where should i trace the PPM signal, on the Rf board or on the main controller board....??
Sandeep
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« Reply #3 on: August 31, 2009, 07:58:18 PM »
sahilkit
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i was talking about free ware PC scope which will convert our sound card to scope (mic input)

http://www.electronics-lab.com/downloads/pc/index.html

http://www.zelscope.com/

after you have this setup, then probe the main board and i would start at the RF pins on the main board

sahil
« Last Edit: August 31, 2009, 08:15:16 PM by sahilkit » Logged

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« Reply #4 on: October 04, 2009, 09:56:13 AM »
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In the picture No1 ,on the left hand side there are two pots used to set the side bands when the PPM signal modulates the ocilator signal produced by the crystal and associated components.So the PPM signa must be in on of the wires in the left hand side connector.Send a larger view of this portion of the back side of the rf card.


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« Reply #5 on: October 05, 2009, 09:43:56 AM »
sandeepm
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will upload a high resolution pick of back of RF card in a day or two.
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