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|heidimarie at Aug 12, 2019 09:24 PM|
1115 4 Feb 68
Tried adjusting core 3 to fix 533 bug permanently.
R/W voltage was 62 can run it up to 66 or so before [High low?] speed checkerboard complains at [110V or 10V?] on +10 can also set it to 64V
High speed checkerboard, BLT all ran with core 3 1F & 1[K?] +10 A+B margins 10V low [11 or 12 overwritten]V high ! (this seems unlikely, but the margins seem to be getting through
1155 4 FEB. 68
AUDIO OUTPUT SYSTEM DOWN BECAUSE OF BROKEN REG. POWER SUPPLY. TROUBLE APPARENTLY DUE TO SHORT ON EXPOSED PC BOARD FROM DANGLING CABLES.
OBSERVATION: EXPOSED POWER SUPPLY CIRCUITRY AND UN-FUSED POWER SUPPLIES BOTH ARE GREAT KROCKS!!
So ARE DANGLING CABLES