Troubleshooting - Samsung SMX-K40BN Service Manual

4. Troubleshooting

Samsung Electronics
If the power is not Supplied
Does the
fuses(FP01~FP02)
Work normally?
Yes
Does a
voltage-output to the 3pin
of SW206 work normally?
Yes
Does a
voltage-output to the L103,
L105, L106, L107, L108 work
normally?
Yes
image of Table 4-1, 4-2
Main board
Repair/replacement
No
Fuse replacement
No
Check Power switch (SW206)
Refer to a pattern
image of Table 4-1
No
Check L103, L105, L106, L107, L108
Refer to a pattern
Troubleshooting
4-1