Phenomenon according to the analysis of problems in decoding board in general and related to circuit, open the machine cover, the multimeter measuring IC6201 working voltage of 3.3 V, reset voltage and vibration signals are all normal, measuring IC6201 (70), (72), (69), (68) feet no waveform only dc voltage, determine IC6303 bad inside. After the replacement IC6303, troubleshooting.Jtuservice manual download site
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