DOWNLOAD Panasonic KV-S1058Y / KV-S1028Y / KV-S1057C-M2 / KV-S1057C-J2 / KV-S1027C-M2 / KV-S1027C-J2 (serv.man3) Service Manual ↓ Size: 2.46 MB | Pages: 11 in PDF or view online for FREE

2

Suffix

Reason for suffix change

C to D

To improve the dust issue and paper feeding ability.

D to E

Changing Scanning Glass (F) assy due to prevent dust.

Suffix

Reason for suffix change

B to D

To improve the dust issue and paper feeding ability.

D to E

Changing Scanning Glass (F) assy due to prevent dust.

E to F

To change the Power supply unit.

Suffix

Reason for suffix change

A to B

To improve the dust issue and paper feeding ability.

B to E

Changing Scanning Glass (F) assy due to prevent dust.

E to F

To change the Power supply unit.

Reason for Change
*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS COMPARISON 
LISTS.
1. Improve performance

Remarks:
*1: When you change from PNZUS1570M / Reference plate (F) to PNZUS1571M / Reference plate 
(B), change PNZES1571M1 or PNZES1571M2/Scanning Glass (B) at the same time.
*2: 

Change 1 pc of part # 531.

*3:When you change these parts, please change at the same time.

2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other

Interchangeability Code

Parts

Set Production

A Original

New

Early (before change)
Late (after change)

Original or new parts may be used in early or late production sets.
Use original parts until exhausted, then stock new parts.

B Original

New

Early (before change)
Late (after change)

Original parts may be used in early production sets only. New parts may be used in early or
late production sets. Use original parts where possible, then stock new parts.

C Original

New

Early (before change)
Late (after change)

New parts only may be used in early or late production sets.
Stock new parts.

D Original

New

Early (before change)
Late (after change)

Original parts may be used in early production sets only. New parts may be used in late
production sets only. Stock both original and new parts.

E

Addition

F

Deletion

G

Other

Ref. No.

Part No.

Part Name & Description

Pcs

Remarks

Time of change 

(Suffix)

Original (Old)

-U

-M2

-J2

Upper Chassis
429

PNZRS1571M

Double Feed Prevention Roller

1

8

A

436

PNZES1571M1

Scanning Glass (B)

1

8

A

437

PNZUS1570M

Reference plate (B)

1

*1

8

B

438

PNDE1086X

Reshuffling lever 2

1

8

C

D

D

B

452

------

CIS Dustproof Sheet

1

8

C

D

D

B

3

453

------

CIS (B) Assy for KV-S1058Y/KV-
S1057C-M2/-J2

1

8

C

453

------

CIS (B) Assy for KV-S1028Y/KV-
S1027C-M2/-J2

1

8

C

Lower Chassis 1
526

PNZES1570M

Scanning Glass (F)

1

8

C

E

F

F

549

------

CIS Dustproof Sponge

1

8

C

D

D

B

550

PJDJC0085Z

Conveyor Bearing

1

*2

8

B

D

D

B

551

------

Lens Cover Sheet

1

8

C

E

F

F

Lower Chassis 2 For KV-S1058Y,S1028Y
632

PNHX1870Z

Dust Prevent Sheet

1

8

B

D

D

B

Lower Chassis 2 For KV-S1057C-M2/J2,S1027C-M2/J2
629

PNWPS1057BM

Power Supply with Power Cable for 
KV-S1027C-M2/-J2/S1057C-M2/J-2

1

8

B

F

F

632

PNHX1870Z

Dust Prevent Sheet

1

8

B

D

D

B

Packing
P10

PNJX1096X

CD-ROM

1

8

A

CONTROL Board KV-S1057C/S1058Y
C132

ECUE1H8R0DCQ

CAPACITOR, 7

1

*3

8

C

C133

ECUE1H8R0DCQ

CAPACITOR, 7

1

*3

8

C

IC39

C1CB00003891

IC

1

*3

8

C

CONTROL Board KV-S1027C/S1027Y
C132

ECUE1H8R0DCQ

CAPACITOR, 7

1

*3

8

C

C133

ECUE1H8R0DCQ

CAPACITOR, 7

1

*3

8

C

IC39

C1CB00003891

IC

1

*3

8

C

Ref. No.

Part No.

Part Name & Description

Pcs

Remarks

Time of change 

(Suffix)

Original (Old)

-U

-M2

-J2

4

(1) Remove the Back Cover. 

(See 8.2.5. Back Cover)

(2) Remove the screw A and the USB Earth Plate with the wire.
(3) Remove the 7 screws C. 
(4) Remove the 2 screws F. 
(5) Remove the Bottom Plate.

Install the Bottom Plate with screws C and F first and then 
install the USB Earth Plate and wire with screw A.
Otherwise the USB Earth Plate may not contact with the 
USB jack on the Control Board correctly.

While slanting the Bottom Plate, insert it into the hole.

(1) Remove the Bottom Plate. 

(see 8.5.1 Bottom Plate)

(2) Remove the CONTROL Board. 

(see 8.5.5. CONTROL Board)

(3) Remove the Polyslider and Gear.
(4) Remove the screw C.
(5) Remove the Platen Motor with Motor Plate.
(6) Remove the 2 screws G and remove the Platen Motor from 

the plate.

(7) Disconnect the connector.

Check the mounting position of the gear.

(See 8.4.3. Reference Plate (B))

Hole

FFC

Harness

F

A

USB Earth Plate

Bottom Plate

C

Hole

Control Board

C

Platen Motor

G

Motor Plate

G

Gear

Polyslider

Connector

5

(1) Remove the Bottom Plate. 

(see 8.5.1 Bottom Plate)

(2) Remove 2 screws E.
(3) Disconnect the connector on the CONTROL Board.
(4) Remove the FAN.

(1) Remove the Bottom Plate. 

(see 8.5.1 Bottom Plate)

(2) Remove the 2 screws C.
(3) Remove the Power Supply.
(4) Disconnect the connector from the CONTROL board on the 

Power Supply.

(1) Remove the Bottom Plate.

(see 8.5.1 Bottom Plate)

(2) Disconnect all connectors (7 cable connectors and 4 FFC 

cables) to CONTROL Board.

(3) Remove the CONTROL Board.

Please check the position of the Motor Earth Spring.

Control Board

Platen Motor

Control Board

Platen Motor

OK

NG

Motor Earth Spring

Motor Earth Spring

Power Supply

C

Power Supply

FAN

C

Control Board

E