Read Section - Panasonic KX-F900 Service Manual

3-12. READ SECTION
I
)'s t he 0'ass sur'ace o, rea,,,r,0sect,on C,ear, the su,,ace o, the0,ass. I c,ean?
NG
I Perform the scanner test.
Copy a document.
/
_°_
l
END
I
LED lamp of the read section light? I-,
(Service code : 555)
YES NG
(Next page) l
Is the voltage at pin 62 or ICl 4~5V?
I YES
l ls the voltage at
pin 16 of IC7
0.6-7V?
YES
NO
1
I hecklC1 orre-
place IC1.
1
Replace IC7.
I
Check the connection between CN7 I
and LED lamp.
I
I Replace lamp.
1
Is the voltage at pin 1 of CN7 +24V?
I
KX-F900
-.,I
::0
O
c
_0
r-
m
"1"
O
O
,-I
B
z
c
Io
m
I
Check the
pattern between
IC7 and CN7.
NO ,{
Repair the connection.
i
79-