Began to suspect that part of the problem for the field, the field and the field portion of the capacitor are manifold substitution of the test machine malfunction persists, measuring circuit voltage is not related to abnormal repair in trouble, Jing Xiaxin careful analysis of the fault, this machine is a bus machine, failure will not be a problem caused by the data bus, so the original data written to this machine with a blank memory, test machine fault disappears.H98service manual download site