im working on a 9090db the board in question is f 2619,,,,in skematic r3 is 5.6k in my board its 2.7k.....the power resistors r1 and r3 are very hot any hepl on this would be apreciated
thank you for your advice,,,i replaced all the transistors on that board and it isnt working the collector of tr1 is reading 30v not 14 v....
Yes ,,avionic i have problems.....i have sound but no panel lights...any help would be apriciated,,,,,
If you haven't already I'd recap this board with all 105 degree caps.thank you for your advice,,,i replaced all the transistors on that board and it isnt working the collector of tr1 is reading 30v not 14 v....