Panasonic KV-N1058X / KV-N1028X / KV-N1058Y / KV-N1028Y (serv.man2) Service Manual / Supplement ▷ View online
4
KV-N1058X/KV-N1028X/KV-N1058-Y/KV-N1028Y
9. CONTROL Board does not work
properly.
1. Perform the "LED" test in Sec.
10.3.8.
to check the LED
ON/OFF status.
2. Check whether all connections and cables on the
CONTROL Board are normal.
3. Check the soldering condition of the following parts and of
their surrounding circuits on the CONTROL Board.
(1) +1.2V (CL196) : Typ. 1.2V
(2) +7V (CL189) : Typ. 7.0V
(3) +3.3V (CL190) : Typ. 3.3V
(4) IC9 (PF4)
(5) IC6 (Reset IC)
(1) +1.2V (CL196) : Typ. 1.2V
(2) +7V (CL189) : Typ. 7.0V
(3) +3.3V (CL190) : Typ. 3.3V
(4) IC9 (PF4)
(5) IC6 (Reset IC)
4. Check the soldering condition of the following parts on the
CONTROL Board.
(1) CN11
(1) CN11
5. Monitor the following signals.
CN11-5pin : +3.3V
CN11-10pin : +24V
CN11-10pin : +24V
6. Replace faulty parts or CONTROL Board.
10. LCD PANEL Board does not work
properly.
1. Perform the "LED" test in Sec.
10.3.8.
to check the LED
ON/OFF status.
2. Check the following connection.
between CN3000 (LCD PANEL Board) and CN11
(CONTROL Board) and between JK3000 (LCD PANEL
Board) and JK2 (CONTROL Board)
(CONTROL Board) and between JK3000 (LCD PANEL
Board) and JK2 (CONTROL Board)
3. Check the soldering condition of the following parts on the
LCD PANEL Board.
(1) CN3000
(2) IC3002
(3) X3000
(4) IC3003
(1) CN3000
(2) IC3002
(3) X3000
(4) IC3003
4. Monitor the following signals on the CN3000.
CN3000-6pin : +3.3V
CN3000-1pin : +24V
CN3000-1pin : +24V
5. Replace faulty parts or LCD PANEL Board.
11. FAN dose not rotate.
1. Try to rotate the FAN, manually.
2. Check the power supply to the FAN.
3. Replace the FAN.
2. Check the power supply to the FAN.
3. Replace the FAN.
Scanner does not
recognize USB
connection.
recognize USB
connection.
1. USB cable is not connected normally.
1. Check the device (USB) condition of PC with Device
Manager.
2. Re-attach the USB cable, and then restart the scanner
and PC.
3. Replace the USB cable.
2. USB interface circuit does not work.
1. Check the soldering condition of the following parts and of
their surrounding circuits on the CONTROL Board, and
then repair it.
(1) JK3 (USB IF connector)
(2) LF4 (Common mode filter)
(3) LF6 (Common mode filter)
(4) IC9 (PF4)
then repair it.
(1) JK3 (USB IF connector)
(2) LF4 (Common mode filter)
(3) LF6 (Common mode filter)
(4) IC9 (PF4)
2. Replace the CONTROL Board.
Scanner does not
recognize Wired LAN
connection
recognize Wired LAN
connection
1. LAN Setting or network environment is
not correct.
Check the LAN Setting and network environment in Sec
11.3. Network Troubleshooting (Wired LAN)
.
2. LAN interface circuit does not work.
1. Check the soldering condition of the following parts and of
their surrounding circuits on the CONTROL Board, and
then repair it.
(1) JK4 (LAN connector)
(2) LF7 (Common mode filter)
(3) LF8 (Common mode filter)
(4) LF9 (Common mode filter)
(5) LF10 (Common mode filter)
(6) IC9 (PF4)
then repair it.
(1) JK4 (LAN connector)
(2) LF7 (Common mode filter)
(3) LF8 (Common mode filter)
(4) LF9 (Common mode filter)
(5) LF10 (Common mode filter)
(6) IC9 (PF4)
2. Replace the CONTROL Board.
Symptom
Possible Cause
Recommended action
5
KV-N1058X/KV-N1028X/KV-N1058Y/KV-N1028Y
Scanner does not
recognize the Wireless
LAN connection.
(
recognize the Wireless
LAN connection.
(
KV-N1058X/KV-
N1028X Only)
1. LAN setting or network environment is
not correct.
Check the LAN setting and network environment in Sec
11.4.
Network Troubleshooting (Wireless LAN)
.
2. USB cable between Wireless LAN
Board and Control Board is not
connected normally.
connected normally.
1. Re-attach the USB cable between Wireless LAN Board
and JK6 (Control Board), and then restart the scanner.
2. Replace the USB cable.
3. USB interface circuit on Wireless LAN
Board does not work.
Replace the Wireless LAN Board.
4. USB interface circuit on Control Board
does not work.
1. Check the soldering condition of the following parts and of
their surrounding circuits on the Control Board, and then
repair it.
(1) JK6 (USB IF connector)
(2) LF14 (Common mode filter)
(3) IC9 (PF4)
repair it.
(1) JK6 (USB IF connector)
(2) LF14 (Common mode filter)
(3) IC9 (PF4)
2. Replace the CONTROL Board.
START/STOP Button
don’t work properly.
don’t work properly.
1. Mechanical problem with ON/OFF
switch.
switch.
1. Perform the "Key / Sensor" test in Sec.
10.3.8.
to check
following button's ON/OFF status.
(1) [Start/Stop] SW5000 on PANEL SWITCH Board
(1) [Start/Stop] SW5000 on PANEL SWITCH Board
2. Check the button’s ON/OFF mechanical condition.
3. Replace faulty parts.
3. Replace faulty parts.
2. ON/OFF monitor circuit does not
function.
1. Check the soldering condition of the following parts and of
their surrounding circuits on the PANEL SWITCH Board.
(1) SW5000 on the PANEL SWITCH Board.
(2) R3007 on the LCD PANEL Board.
Check the following connection.
(1) Between CN5000 (PANEL SWITCH Board) and
(1) SW5000 on the PANEL SWITCH Board.
(2) R3007 on the LCD PANEL Board.
Check the following connection.
(1) Between CN5000 (PANEL SWITCH Board) and
CN3001 (LCD PANEL Board)
(2) Between CN3000 (LCD PANEL Board) and CN11
(CONTROL Board)
(3) FFC Cable
2. Check the soldering condition of the following parts and
their surrounding circuits on the CONTROL Board.
(1) CN11
(1) CN11
3. Replace faulty parts or boards.
Scanning position is
shifted.
shifted.
1. After replacing or re-assembling the
CIS assembly and/or mechanical parts
related to conveying documents,
re-adjustment of scanning position has
not been done.
related to conveying documents,
re-adjustment of scanning position has
not been done.
1. Perform the "All Position" and/or "Individual Position"
in Sec.
10.3.9.
so that the scanning position can be
adjusted properly.
2. The CIS assembly is not installed
properly.
1. Re-assemble the CIS Assembly. (See Sec
8.3.5.
&
8.4.2.
)
The document skews
when scanned.
when scanned.
1. Document Guides are not set properly
according to the size of documents on
the Feed Tray.
the Feed Tray.
1. Slide and set the Document Guides according to the
document size.
2. Mixed Batch Card Guide is not set
properly.
1. Set the guide properly.
3. ADF Door is not closed tightly.
1. Close the door until it clicks into place, after opening it.
4. Rollers are dirty.
1. Clean the rollers with the roller cleaning paper.
2. After cleaning the Paper Feed Roller and Double Feed
2. After cleaning the Paper Feed Roller and Double Feed
Prevention Roller, perform the "Clear Counter (After
Clean Roller)"
Clean Roller)"
in the service utility to clear the cleaning
roller counter. (See Sec.
10.3.7.
)
5. Rollers are not properly installed into
their default positions when re-
assembling.
assembling.
1. Check the roller attachments to the scanner (whether a
gap between roller and conveyor is secured equally).
2. Re-attach the rollers to their default positions.
6. Rollers have reached their life
expectancy.
1. After checking the configuration, replace the rollers.
2. After replacing the Paper Feed Roller and Double Feed
2. After replacing the Paper Feed Roller and Double Feed
Prevention Roller, perform the "Clear Counter (After
Replace Roller)"
Replace Roller)"
in the service utility to clear the roller
replacement counter. (See Sec.
10.3.7.
)
Symptom
Possible Cause
Recommended action
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
7
KV-N1058X/KV-N1028X/KV-N1058Y/KV-N1028Y
1.3.
Exploded View and Replacement Parts List
1.3.1.
15.6. Lower Chassis 2 For KV-N1058X-U,N1058X-ML,N1028Y-CN,N1058Y-CN
Only for KV-N10xxY-CN
617
G
602
605
605
633
A
623
617
630
630
608
C
C
C
C
F
C
C
C
C
F
A
C
C
604
606
601
613
612
626
628
624
618
615
614
616
620
C
611
629
607
625
640
638
639
617 622
621
617
627
620
603
G
610
E
G
C
C
C
Lower Chassis 2
619
631
631
632
(548)
From:Lower Chassis 1
(214)
From:Top Cover
Assembly