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Typical faults RADIOTELEPHONES "LG"
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1). LG GT-9760 The defect was shown that there was no modulation in line with the handset, with a base in line modulation was in the intercom mode, everything goes well (ie the defect was not in the tube). Analysis showed that the signal disappears when the audio signal processing chip AK2361 only talk mode with the handset. replacing this chip does not solve the problem. It turned out that it was not in it, and the control signals from the controller to it. Problem persists reinsertion 93S56 memory chips by copying data from the known operating base. |
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