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Model
KV-N1058X KV-N1028X KV-N1058Y KV-N1028Y (serv.man2)
Pages
9
Size
454.34 KB
Type
PDF
Document
Service Manual / Supplement
Brand
Device
Service Manual / Other / DOCUMENT SCANNER
File
kv-n1058x-kv-n1028x-kv-n1058y-kv-n1028y-sm2.pdf
Date

Panasonic KV-N1058X / KV-N1028X / KV-N1058Y / KV-N1028Y (serv.man2) Service Manual / Supplement ▷ View online

5
KV-N1058X/KV-N1028X/KV-N1058Y/KV-N1028Y
Scanner does not
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.
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) 
2. Replace the CONTROL Board.
START/STOP Button  
don’t work properly.
1. Mechanical problem with ON/OFF 
    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
2. Check the button’s ON/OFF mechanical condition.
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 
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
3. Replace faulty parts or boards.
Scanning position is 
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.
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.
1. Document Guides are not set properly 
according to the size of documents on 
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 
Prevention Roller, perform the "Clear Counter (After 
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.
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 
Prevention Roller, perform the "Clear Counter (After 
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.
1. Shading data stored in CONTROL 
Board is not proper to perform an 
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).
1. Wipe off the dust with soft and dry cloth.
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)
4. Check the power supply for LED.
(1) CN1*-4th pin, F1: 7.0 V
(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)
4. Check the power supply for LED.
(1) CN3*-4th pin, F1: 7.0 V
(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.
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.
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
8
KV-N1058X/KV-N1028X/KV-N1058-Y/KV-N1028Y
1.3.2.
For KV-N1028X-M,N1058X-M
617
G
602
605
633
A
623
617
630
608
C
C
C
F
F
C
C
C
C
F
A
C
C
604
606
601
613
612
626
628
624
618
615
614
616
620
C
A
A
C
636
629
637
607
625
617 622
621
617
627
620
603
G
610
E
G
C
C
C
Lower Chassis 2
619
631
632
630
631
640
(214)
(548)
From:Lower Chassis 1
From:Top Cover 
          Assembly
605
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