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electronic:equipment:phone:lkd2ns [2022/09/06 08:12] – created tonyelectronic:equipment:phone:lkd2ns [2026/09/26 09:57] (current) – tony
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 <html><p style="text-align:right;">Published  6 Sep 2022</p></html> <html><p style="text-align:right;">Published  6 Sep 2022</p></html>
-<html><p style="text-align:center;"><b><font size="6">LG LKD 2ns</font></b></p></html>+<html><p style="text-align:center;"><b><font size="6">LG LKD 2NS</font></b></p></html>
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 +{{ :electronic:equipment:phone:a.jpg?200|LKD 2NS overview}}
 ===== Overview ===== ===== Overview =====
 +\\
  
 ===== Hardware description ===== ===== Hardware description =====
-====Components====+==== Components ==== 
 +  * National Semiconductor TP3057 ‘‘Enhanced’’ Serial Interface CODEC/Filter  
 +  * 74HC123D Dual retriggerable monostable multivibrator 
 +  * ON  TL494CD 40V, 0.2A 300KHz Pulse Width Modulation controller 
 +  * QFR EUCA0000301 F6N33-000 0132 Rev. 1 
 +  * 1458 Dual operational amplifier
  
-=====Teardown=====+===== Examples =====
  
-===== References and Additional Resources =====+/*{{:electronic:equipment:phone:a.jpg?800|LKD 2NS top}}\\*/ 
 +{{:electronic:equipment:phone:dsc_1724a.jpg?600|LKD 2NS front}} 
 +{{:electronic:equipment:phone:dsc_1725a.jpg?600|LKD 2NS back}} 
 + 
 +---- 
 + 
 +===== Tear down ===== 
 + 
 +{{:electronic:equipment:phone:dsc_1726a.jpg?800|LKD 2NS interior}} 
 +{{:electronic:equipment:phone:p4137542a.jpg?600|LKD 2NS interior}} 
 +{{:electronic:equipment:phone:p4137543a.jpg?600|LKD 2NS interior}} 
 + 
 +{{:electronic:equipment:phone:p4137545a.jpg?400|LKD 2NS keyboard top}}\\ 
 +{{:electronic:equipment:phone:p4137546a.jpg?400|LKD 2NS keyboard front}}\\ 
 +{{:electronic:equipment:phone:p4137544a.jpg?400|LKD 2NS keyboard back}} 
 + 
 +{{:electronic:equipment:phone:p4137538a.jpg?400|LKD 2NS PCB front}}\\ 
 +{{:electronic:equipment:phone:p4137539a.jpg?400|LKD 2NS PCB back}} 
 + 
 +====== References and Additional Resources ======
  
 <html><small><p>If any referenced page no longer exists, try looking for its URL on <a href="http://archive.org">http://archive.org</a>.</p></small></html> <html><small><p>If any referenced page no longer exists, try looking for its URL on <a href="http://archive.org">http://archive.org</a>.</p></small></html>
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electronic/equipment/phone/lkd2ns.1662451925.txt.gz · Last modified: 2022/09/06 08:12 by tony
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