Detail Of Troubleshooting; Detail Of Troubleshooting; Outline; Starting Up Troubleshooting - Panasonic KX-F900 Service Manual

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KX-F900
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
Power on.
AC
LCD IFchange faitnly
See digital board section.
(See page 54)
LCD good
I 12:00AM
I
LCD
I
I no reaction
No reaction means that power line
is broken (short-circuit).
See digital board section.
(See page 54)
Yes, I know
Not yet
r
Find out any symptom with
check list (See page 22).
4'
See table of
troubleshooting item.
20-