sounds good .. just need to sort those bias diodes when the thermal silicone turns up and fine tune the bias and put it back together .
must be leaky .. try a new one .
if the black does not rub off onto a finger its not the burned bit
at least there is a good channel for comparison . power off for now .
One channel on dh220 has 43 vdc at speaker binding posts .
found 2 bad joints this week like that .2 different items .was pretty quick to find . and not obvious to look at . it seems thicker joints break...
have you gone point to point on the boards copper traces with your meter yet ? i just touch the components leads sticking out .
there is something i remembered .if the battery isnt as good as it should be the voltage is likely to rise .
i found putting them in tightly fitting box and hide away for a few years . they come out flat . this could also be done with a heavy weight and...
they turned up today .
numbering are same as ordered .not same as pictures .
fitted them all and it was doing strange things with protect and...
flaky transistor or bad connection
parts drift with age . band aid is turn the pot .. might be fine for years .who knows ?
sure i have used mje something for those. clamped them under the old ones as lazy plus at a glance it looks original . used bd139 bd140 as drivers .
ecl82 can be quite pleasing .
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