R520 Wrong component value.
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When testing my
newly built QMX+ I was getting high SWR readings while running the
diagnostics SWR test. Even when connected to a dummy load the
readings were around 2.7 to 1 across all bands. ?I removed and
re-wound T507 (twice) but could not resolve the problem. So I removed
T507 for a third time and started to check component values around
the bridge circuit. I found that R520, although marked as 68X (49.9 R)
, actually measured as 124.5 K.
Has anyone else seen
this problem.
Regards
Stephen
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