ASP8120-issue / 2021.03.19
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C43 worn out
Test-Condition: full load (3R5 @ +18V and -18V)
+18V POWER UP +18V POWERUP OSCILLATION +18V POWERUP OSCILLATION / almost finished +18V Dropout / every half an hour +18V Dropout and Overshoot (A) Zomm of prev pix (A) Zomm of prev pix (A) -18V POWERUP (best case scenario) -18V POWERUP (worst case scenario) (B) Zomm of prev pix (B) ( -18V Dropout ) -18V SHUTDOWN (C) Zomm of prev pix (C) Zomm of prev pix (C)
both rails -> oscillation “in sync”…
BOTH RAILS – SHUTDOWN BOTH RAILS STARTUP BOTH RAILS STARTUP