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KX-F680BX/KX-F2681BX
Power on.
Look at LCD
plug the AC cord
change faitnly
good
Not yet
Yes, I know
no reaction
AC
12:00AM
LCD
LCD
LCD
Already known symptom
Find out any symptom with
check list (See page 22).
See table of
troubleshooting item.
See digital board section.
(See page 54)
See digital board section.
(See page 54)
No reaction means that power line
is broken (short-circuit).
3. DETAIL OF TROUBLESHOOTING
3-1.Outline
Troubleshooting is to make quality and reliability recover by finding out the broken component and exchange or
adjustment or cleaning. We have to find out symptoms and then arrange troubleshooting method.
If it's tough to finding out just a broken component, we should so arrange that block or section are specified, for
example "digital board" or image sensor".
A claim tag from customer or dealer gives us many kinds of expression for same trouble. Because they are not
technician or engineer. But we should carefully read it on our supposition comes from experience, and sufficiently
test the function related to that tag. Returns from customer or dealers often have to claim tag. In this case we need
to find out the symptoms. Therefore please test the unit following simple-check-list. A problem difficult to find out
may lurk, so we need to test repeatedly, for example make copy 10 pages or receiving 10 pages,.........
3-2. STARTING UP TROUBLESHOOTING
Find out the symptom and troubleshooting method
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