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|  发帖时间 - 2005/8/10 18:46:48
| the basic series block size for the top block diagram,corresponding to 110VAC input,is approximately 50LED thus, for the 110v version, two series blocks of 50LEDs, 303 are coupled in parallel to the output of the AC-TO-DC converter 302 using additional feed wires along the light string. The two drive wires for the 110VAC light string TERMINATE IN A STANDARD 110V household socket 304 to enable multiple strings to be connected in parallel electrically from end-to –end.
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