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Description

DM500S exclusive original ALPS DVB-S digital tuner.  As we all know, a lot of being struck by lightning to all NIC chip high frequency ringing off the hook, or the head of the breakdown, it is because the machines are not the cottage circuit protection devices.  After the detection of good suggestions tuner pin data, if it is 0299B breakdown, causing 5V shorted to ground, long short circuit 5V power supply will also burn.  Continuing power of words, they might also burn slightly 12v power supply. 

LNB output will be the choice as the HV output 13 or 18V, note that this is in the normal range.