Kth - sdr - kit

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6/13/2010 KTH - SDR - KIT Page 19 ________________________________________________________________________________ Figure 2.4-2 LCD display flat cable connections. Figure 2.4-3 Detail LCD display flat cable connection to the Motherboard. ___________________________________________________________________________________________________________ Instruction manual KH-SDR wideband receiver Kit No-1021. All rights reserved KTH-SDR-KIT. Software design by PA0RWE.
6/13/2010 KTH - SDR - KIT Page 20 ________________________________________________________________________________ Figure 2.4-4 Detail LCD module flat cable connection to the Synthesizer module. The encoder has it’s own flat cable and is connected to the box header CON3 on the motherboard. See schematic figure 2.4-5 for the right connection of the encoder to the flat cable. If you are using an other encoder than supplied in the <strong>kit</strong>, beware of the right connection the flat cable. If the encoder has a switch, you can use it as ‘Tune Lock’ switch and connect the switch to the pads X and Y on the LCD module board. If you want to change the fase (contrast) of the LCD you can replace R4 and R5 by a trimpot of 5 KΩ. Mount the Encoder and the LCD module board to the pre-drilled front panel. Use for the LCD module 4 M3- 20 bolts and 15 mm spacers. See figure 2.4-7 for details. Test the LCD module by connecting the motherboard DC input to your 12 Volt DC source. On the LCD you should see a short introduction text with the version of the firmware followed by frequency information and the status of the step size and attenuator. If the LCD stays out, switch of immediately the 12 Volt and check al the connections, especially the flat cables connections. ___________________________________________________________________________________________________________ Instruction manual KH-SDR wideband receiver Kit No-1021. All rights reserved KTH-SDR-KIT. Software design by PA0RWE.
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