Samsung HABANA-C NT-R45 Series, Service Manual

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5- 2
5. Troubleshooting
2) Debugging Flow Chart
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Start
Power on
Power on?
Check Ontop
board & cable
Check there is
any short in the
main board
NO
Check Adapter
and Battery.
No problem
Solution : Replace the defected part or revise the connectivity..
Change Mainboard
and check it
LCD display is OK ?
Check LCD cable.
Check LCD Panel
and Inverter
Check RAM and
replace it.
YES
Chexk External
Graphic board.
Keyboard function
is OK?
Check Keyboard
connection and
replace it
HDD and ODD
recognition is OK
in CMOS ?
Check the
connection and
change the unit
OS booting is OK?
OS is corrupted ?
Touchpad
function is OK?
Check Touchpad
FFC
Check Touchpad
Interface board
Check Touchpad
cable.
Change Touchpad,
and check function.
YES
problem.
YES
NO
NO
NO
YES
YES
YES
NO
problem.
problem.
No problem
No problem
No problem
problem.
problem. problem.
problem.
problem.
problem.
No problem
No problem
No problem
No problem
No problem
No problem
problem.
problem.
problem.
problem.
problem.
No problem
No problem
No problem
No problem
Change Mainboard
and check it
Change Mainboard
and check it.
Change Mainboard
and check it.
Solution : Replace the defected part or revise the connectivity..
Solution : Replace the defected part or revise the connectivity.