First measured 26 feet voltage is low, indicating that the CPU has standby voltage output. Press the remote's "On / Off" button, 26 feet overall remain low unchanged, indicating that the machine can not boot twice. 39 feet to check the supply voltage of the CPU, completely normal. Charles 34 feet reset voltage, also normal. Then check the 40-pin and 41-pin external clock oscillator, when replacing the X1160, troubleshooting.zUnservice manual download site