Read Panasonic KV-N1058X / KV-N1028X / KV-N1058Y / KV-N1028Y (serv.man2) Service Manual Supplement online
6
KV-N1058X/KV-N1028X/KV-N1058-Y/KV-N1028Y
Scanned image data
have black lines, white
lines, or darker image
than the original or
brighter image than the
original.
have black lines, white
lines, or darker image
than the original or
brighter image than the
original.
1. Shading data stored in CONTROL
Board is not proper to perform an
image process.
image process.
1. Perform the "Shading" in Sec.
10.3.9.
to over-write new
data.
2. The dust exists on the Scanning Glass
((F) or (B)) or its surrounding
(Reference area or others).
(Reference area or others).
1. Wipe off the dust with soft and dry cloth.
2. Perform the "Focus" test in Sec.
2. Perform the "Focus" test in Sec.
10.3.8.
to monitor the
CIS’s output level.
3. CIS (F) Unit does not work properly.
*KV-N1028Y/X : CN2
1. Execute "Focus" test in Sec.
10.3.8.
to check the
waveform of CIS output.
2. Execute "CIS LED" test in Sec.
10.3.8.
to check the
lighting of each RGB.
3. Check the following connections and soldering condition
on each connector.
CIS (F) Unit to CN1*(CONTROL Board)
CIS (F) Unit to CN1*(CONTROL Board)
4. Check the power supply for LED.
(1) CN1*-4th pin, F1: 7.0 V
(2) L3, L6, L7, Q7, Q8, Q9
(2) L3, L6, L7, Q7, Q8, Q9
5. Replace faulty parts or boards.
4. CIS (B) Unit does not work Properly.
*KV-N1028Y/X: CN4
1. Execute "Focus" test in Sec.
10.3.8.
to check the
waveform of CIS output.
2. Execute "CIS LED" test in Sec.
10.3.8.
to check the
lighting of each RGB.
3. Check the following connections and soldering condition
on each connector.
CIS (B) Unit to CN3*(CONTROL Board)
CIS (B) Unit to CN3*(CONTROL Board)
4. Check the power supply for LED.
(1) CN3*-4th pin, F1: 7.0 V
(2) L8, L9, L10, Q9, Q10, Q12
(2) L8, L9, L10, Q9, Q10, Q12
5. Replace faulty parts or boards.
5. Background Plate switching is not
working properly.
1. Execute "Focus" test in Sec.
10.3.8.
to check the
peaklevel when Background Color is White and Black.
When scanning short
documents, the ejecting
sound is larger than the
normal sound.
documents, the ejecting
sound is larger than the
normal sound.
If the length of a document is less than
about 148 mm, feeding speed control will
be activated for exiting documents; this is
normal behavior.
about 148 mm, feeding speed control will
be activated for exiting documents; this is
normal behavior.
This is normal operation.
Noise
1. Problem with conveyor motor, bearing,
roller or gear.
1. Perform the "Conveyor Motor" test in Sec.
10.3.8.
to
check the sound source.
2. Replace the faulty parts.
Symptom
Possible Cause
Recommended action
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