Brother S-7300A - Component Electrical Checks; Error Code and Specific Issue Resolution

S-7300A
10. ELECTRIC MECHANISM
170
10-3. Fuse explanation
When replacing a fuse, be sure to use the specified ones listed below.
If a component on a PCB is damaged, the fuses may blow again soon even after they have been replaced.
No.
Part name
Part code
When a fuse has blown
F1
F2
Fuse 50T100H
(glass tube fuse,10A250V)
SB2725-001
The power indicator is not illuminated, and nothing
operates.
Main PCB
1071D
Power indicator
(Red LED)