A
Are D809, Q801, Q802, R805 and R806 normal? YES NO Change.
Is the secondary voltage EVER 5.8V and -28V normal? NO NO Are R810, D808 and F802 normal? YES NO Change Are R804 and D802 normal? YES NO Change Is IC801 normal? YES
Change
B
Is each voltage of secondary circuit normal? YES Check the trans output of NO output stage.
