I'm stuck....worked momentarily/now nothing
Board #0171-2272-2433/3632-0332-0150
Have 5v standby...nothing else (12 or 24v)
F2 is blown (reads 1.4v good side)
u16 (A27805T) 0 on all pins
U44 0v
U22 good 2.1 3.3 5.0
U17 good 2.1 3.3 5.0
U21 0 1.2 2.5 (after replacement)
U15 2.1 x 5.0 (U740DL)
U19 1.2 x 5.0 (U740DL)
Where to now? Just learning repairs...lots of fun til now...any help?
Board #0171-2272-2433/3632-0332-0150
Have 5v standby...nothing else (12 or 24v)
F2 is blown (reads 1.4v good side)
u16 (A27805T) 0 on all pins
U44 0v
U22 good 2.1 3.3 5.0
U17 good 2.1 3.3 5.0
U21 0 1.2 2.5 (after replacement)
U15 2.1 x 5.0 (U740DL)
U19 1.2 x 5.0 (U740DL)
Where to now? Just learning repairs...lots of fun til now...any help?