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If you can find the schematic for it and then check voltages in and signal out, you would probably nail where the problem is. You got into this thread with both eyes wide open wanting to fix this; but it just might be over your head if you cannot come up with the schematic - at least.

This counter is not test equipment grade, just a five place counter of little value except for monitoring.

The dots tell me that there is signal present; if it had no display at all would be just a power issue. So, most of the IC's are working, with the likelihood that one IC took a dump. Could be a driver IC; or the input IC was hit with too much input power. Hard to say from here.

Is it worth it to you - to fix it? Fixing something and understanding at least a little bit about what was wrong with it is more valuable - IMO - that just getting it fixed by someone else in the long run . . .

<blockquote data-quote="Robb" data-source="post: 557260" data-attributes="member: 8446">If you can find the schematic for it and then check voltages in and signal out, you would probably nail where the problem is.&nbsp; You got into this thread with both eyes wide open wanting to fix this; but it just might be over your head if you cannot come up with the schematic - at least.&nbsp; This counter is not test equipment grade, just a five place counter of little value except for monitoring.The dots tell me that there is signal present; if it had no display at all would be just a power issue.&nbsp; So, most of the IC&#039;s are working, with the likelihood that one IC took a dump.&nbsp; Could be a driver IC; or the input IC was hit with too much input power.&nbsp; Hard to say from here.Is it worth it to you - to fix it?&nbsp; Fixing something and understanding at least a little bit about what was wrong with it is more valuable - IMO - that just getting it fixed by someone else in the long run . . .</blockquote>

[QUOTE="Robb, post: 557260, member: 8446"] If you can find the schematic for it and then check voltages in and signal out, you would probably nail where the problem is. You got into this thread with both eyes wide open wanting to fix this; but it just might be over your head if you cannot come up with the schematic - at least. This counter is not test equipment grade, just a five place counter of little value except for monitoring. The dots tell me that there is signal present; if it had no display at all would be just a power issue. So, most of the IC's are working, with the likelihood that one IC took a dump. Could be a driver IC; or the input IC was hit with too much input power. Hard to say from here. Is it worth it to you - to fix it? Fixing something and understanding at least a little bit about what was wrong with it is more valuable - IMO - that just getting it fixed by someone else in the long run . . . [/QUOTE]

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