these fault codes where the standby led blinks x amount of time only give a rough idea as to where the fault(s) may be.......as an example an icc20=the led blinks 2 times then 5 times=error code 25 which relates to the switched 5v supply being missing-in my case it was present for a couple of seconds as was the ht and line drive together with a short burst of eht-the fault was due to clo33 being oc which is in the line op stage-other things such as the frame ic also can cause it. all errror codes can only give a general area of where the fault could be
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these fault codes where the standby led blinks x amount of time only give a rough idea as to where the fault(s) may be.......as an example an icc20=the led blinks 2 times then 5 times=error code 25 which relates to the switched 5v supply being missing-in my case it was present for a couple of seconds as was the ht and line drive together with a short burst of eht-the fault was due to clo33 being oc which is in the line op stage-other things such as the frame ic also can cause it.