Panasonic KV-S1058Y / KV-S1028Y / KV-S1057C-M2 / KV-S1057C-J2 / KV-S1027C-M2 / KV-S1027C-J2 (serv.man2) Service Manual / Supplement ▷ View online
6
KV-S1058Y/KV-S1028Y/KV-S1057C-M2/J2/KV-S1027C-M/J2
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)" in the service utility to clear the cleaning
roller counter. (See Sec.
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)" in the service utility to clear the roller
replacement counter. (See Sec.
Replace Roller)" in the service utility to clear the roller
replacement counter. (See Sec.
10.3.7.
)
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-S1028Y/S1027C : 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-S1028Y/S1027C : 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-S1058Y/KV-S1028Y/KV-S1057C-M2/J2/KV-S1027C-M2/J2
1.4.
14.1. CONTROL Board
Change from the Original Service Manual as Section 14.1.
CONTROL Board Front Side
500mA
1
9
3
2
5
4
2
10
1
9
1
12
1
9
1
8
T4A 250V
2
4
1
3
2
15
16
1
2
1
2
15
16
1
1
4
2
1
1
3
1
5
1
4
1
5
8
1
1
9
10
2
1
21
22
2
1
21
22
3
S
IC18
C20
R400
C21
R402
C22
R403
C23
C24
R404
R405
C25
R406
C26
C27
IC20
C28
IC21
R217
IC23
R218
R600
R219
IC25
R602
IC26
IC27
R603
IC28
IC29
C33
R607
R220
R608
C35
R221
R415
R416
C36
IC30
R224
C38
R225
IC31
C39
R226
IC33
R228
R229
R611
IC36
C40
IC39
C41
C43
C44
R230
C46
R233
IC40
C48
C49
R236
IC43
R237
R238
R238
R239
LF10
C50
C51
C52
LF13
LF14
C55
C56
R243
C57
R244
C58
R245
C59
R247
R634
C61C62
C63
C64
R250
Q10
R251
R252
C66
R253
C67
R254
C600
C68
C69
C219
C601
R256
R257
C603
R258
C604
R642
C606
C607
C70
C220
C609
C221
R645
C72
C73
R260
C224
C75
C76
C77
C78
R458
C229
C79
C612
C615
C618
R654
C80
C81
R656
C82
R657
C234
Q30
R464
R658
C235
R659
C236
Q32
R466
R272
C237
R273
Q33
C87
C238
Q34
R468
Q35
C239
C89
Q37
R660
Q39
C625
R661
C626
R662
R663
R663
C240
C90
R470
R664
C629
R665
C241
R666
C242
C92
R667
C243
C93
R473
Q40
C94
R668
R281
C95
R282
C97
C630
C631
R479
C1
C2
C632
C633
C3
C634
C4
R288
R670
R671
C5
LF2
C636
LF3
C7
R673
LF4
C8
R674
LF5
C639
R481
R676
R677
LF7
R483
LF8
R679
LF9
R291
R485
R292
R486
R487
C640
C641
R295
C642
C643
Q57
R680
Q58
C644
D4
R299
D5
C647
R497
C650
C651
R499
C652
L100
R690
C656
C463
L103
C658
L104
L105
C466
L106
C468
F1
C662
C470
DL1
C669
C476
C478
Q80
C670
C672
C480
C674
C675
C676
C483
L123
C677
C484
L124
C678
L125
C679
L126
C487
C488
C680
Q97
C490
C492
L135
L136
C497
L137
C498
L138
C499
L139
L140
L141
C698
C699
R102
R103
R104
R107
R108
R109
D13
R300
D15
R301
R110
D18
R111
R112
R307
R308
R114
R115
R116
R117
R118
R501
R119
D21
R502
D22
D23
D23
R504
D24
D25
R506
R1002
R507
D27
R1003
R120
D28
R509
L1
R121
R122
L2
R316
R1006
L3
R123
R317
L5
L6
R510
R128
R511
L9
R129
R512
R513
D34
D35
R515
D36
R516
D37
D38
R518
R130
R900
R519
R131
R326
R902
R132
R327
R133
R134
R904
R135
R136
R906
R137
R520
L10
R908
R521
R909
L13
C101
R525
D45
R526
C102
R332
D46
R527
C103
R333
R140
R334
C104
R910
D48
C105
R335
R911
R141
C106
R142
R338
R144
R145
R339
C109
R915
R916
R916
R530
R148
R531
R532
R533
R534
R340
R341
IC1
IC2
C112
R536
R342
C113
C307
IC4
R344
R345
R345
R539
IC6
IC8
C500
C501
IC9
R731
R155
C502
R732
R156
C503
R733
R157
C504
R540
R158
R734
C505
R541
R735
C506
R736
R543
R737
R544
C508
R738
C509
R545
C315
R160
C700
C318
R161
R549
C701
R162
C702
C703
R164
R550
C516
C517
R555
R749
R22
C132
C133
R23
R170
R24
R171
R25
R26
C712
R172
R27
C713
C138
R174
C714
R750
C521
C139
R175
C715
R751
C716
R752
R177
C523
C717
R178
C524
R560
R179
C525
Q9
C719
C142
C912
C143
R33
C337
C913
R180
L58
C144
R34
R181
L59
R35
R1
C721
R182
R376
R2
R36
C722
R183
R377
R37
C530
R185
R39
R186
C533
R187
C727
C534
R188
L60
C728
C535
R9
L61
C536
L62
C537
R573
L64
C538
R40
C539
L65
C345
L66
R576
R43
R577
R191
C155
R192
R193
R387
R388
C540
R194
C541
R49
C542
R197
C545
R581
R199
R582
C546
R583
C547
L73
R50
C548
C549
R51
R585
R587
R53
C163
R588
R54
R395
R589
C166
R396
R397
C167
C168
C550
R398
C169
R976
R977
R591
C555
R979
C170
C171
C172
R596
C173
R65
R599
R66
C176
C177
R67
R68
R984
R69
R985
R986
R987
C564
R988
C565C566
C567
R70
C568
C569
C181
R76
R77
R78
C570
R79
R995
C573
C574
C577
C578
R80
R81
C579
R82
C194
R85
C196
C197
R87
C198
R88
C580
R89
C583
C585
C586
C588
C589
CN6
CN7
CN9
R97
X3
X4
R99
C591
C592
C594
C595
C596
C598
C10
C11
C12
C13
C14
R200
R201
C17
R204
R205
C19
R206
R207
R208
IC15
R209
IC17
H
H
G
G
B
B
F
F
D
C
C
A
A
9
8
7
3
2
1
A
T
9
8
7
3
2
1
A
T
AV
A
38
1
H
H
5
1
5
1
R561
Q51
Q103
C42
C96
R152
C472
R575
JK2
JK6
CF1
R469
R126
C158
D1
R651
R165
Q52
Q53
R548
R590
C474
R465
C110
R138
R146
Q31
R508
Q20
Q19
R159
R149
IC7
Q21
R113
R127
R127
R55
Q12
R57
R58
R46
R45
C98
R462
D26
D
C65
R52
C663
R542
Q24
L8
C71
L12
R467
R580
ZB-WK
PNLB2677
Control Board
2017.11.28
C184
R682
C183
C165
R683
R315
C316
C346
C317
C338
C339
C179
C336
C178
C174
D31
R996
C645
C6
C9
C15
R168
R652
R320
R321
R322
R323
R279
Q23
C543
R463
R901
D39
IC41
CCT
C C T
C C T
C C T
C C T
REF2/DIP
C C T
CCT
Refer to “PNLB2677ZB-WK”
8
KV-S1058Y/KV-S1028Y/KV-S1057C-M2/J2/KV-S1027C-M/J2
CONTROL Board Back Side
2.0A
1
2
3
4
1
2
15
16
1
2
9
10
1
2
15
16
1
4
1
2
1
3
1
5
1
4
1
5
1
8
1
3
1
2
9
10
1
2
21
22
1
2
21
22
S
R401
R212
R407
R213
R408
R214
R409
R215
IC22
R216
IC24
R410
C30
R411
C31
R605
R412
R606
C32
R413
C34
R414
C37
R417
R418
R419
IC32
IC34
R612
IC37
R613
IC38
R614
R420
R615
R421
R422
R616
R617
R423
R618
R424
R619
R231
R425
C45
R426
R232
C47
R427
R234
R428
R429
R235
R620
R621
R622
R623
C200
R624
R430
C201
R625
R431
R626
C202
R432
R627
R433
C203
C53
C204
R628
R240
C54
R434
R435
R629
C205
C206
R436
R437
C207
C208
R438
C209
R439
R248
R630
C400
R249
C401
C402
C403
C210
C404
R440
R441
C211
C405
R635
R636
C212
C406
R442
C213
R637
R443
C407
R638
C214
C408
R444
R639
C409
R445
C215
Q11
R446
C216
R447
C217
R448
C218
R449
R255
R640
C410
R259
C411
R641
C412
R643
C413
R644
C414
R450
C415
R451
C222
R452
C416
C417
R453
C223
R647
C418
R454
R648
C225
R455
C419
C226
R456
R457
C227
C228
C610
Q27
C613
R268
Q28
C420
C421
Q29
C422
C616
R653
C423
C230
C424
R655
C231
C425
C619
C232
C426
C233
C84
C428
C429
C85
R271
C86
C88
R274
C621
R275
Q36
R276
C622
R277
C623
C624
Q38
R278
C430
C431
C432
C433
C627
C434
C628
C435
C91
C436
C437
C244
R280
C438
C439
C245
C246
Q42
R283
C247
Q43
Q44
C248
C249
Q45
C99
R286
Q46
Q47
R287
C440
Q48
Q49
C441
R289
C442
R672
C637
C443
R480
C444
C250
C445
R675
C251
LF6
R482
C252
C446
C253
C447
C254
R290
R484
C449
C255
C256
C257
R293
R488
R294
C258
Q54
R489
C259
C450
R681
C451
Q59
C646
D6
C452
D7
C648
R490
C260
C454
R684
C261
C649
C455
R685
R492
C262
C456
R493
C457
C263
C264
Q60
R495
Q61
C265
C459
C266
Q62
R496
C267
Q63
C268
Q64
C269
Q65
Q66
C653
Q67
C654
C655
C461
L101
R691
C462
L102
C657
C270
C464
C271
C272
C273
C274
C275
C276
C277
C278
C660
C661
C279
C664
C665
DL2
C666
C667
C280
C668
C281
C282
C283
C284
C285
C286
C287
C288
C289
C671
C673
C290
C291
C292
C293
C294
C295
C296
C297
C298
C299
C495
R100
R101
R105
R106
D10
D14
R302
R303
D17
R304
R305
R306
R309
R500
R503
R310
R1000
R1001
R312
R313
D29
R318
R124
R319
R125
D30
D33
R514
R903
R905
R907
R139
R522
C100
D44
R528
R336
R912
C107
R337
R913
C108
R914
C300
C301
C302
C303
R535
C305
C306
R537
R343
R538
C114
C115
C309
R346
C116
R347
C118
R348
R154
C119
R349
C310
C311
L32
C312
C507
L33
C313
L34
R350
C120
C314
R351
C121
R11
L35
R352
L36
R12
C122
L37
R353
C123
L38
C124
R354
C125
L39
R355
R356
C126
C127
R357
C510
R358
C128
C511
C129
R359
C512
C513
C514
C320
L40
C515
L41
C321
C322
L42
C323
L43
R553
C324
C518
L44
C130
R554
R360
R361
C325
C131
L45
C326
L46
R362
R363
L47
C327
R557
C328
C134
L48
R558
R364
R365
C135
R559
L49
C329
R366
Q2
C136
R367
R173
C137
R368
R28
R369
R29
R176
Q7
Q8
C330
L50
C331
L51
C332
C526
L52
L53
R563
C527
C333
R370
C528
L54
C140
C335
R371
R565
C141
L55
R372
L56
R373
L57
R567
R374
R568
C914
R375
C145
R569
C915
C146
C916
C147
C723
R378
C148
C724
C149
R379
C725
C532
C726
R570
C340
C341
R571
C342
C343
R574
R380
C344
C150
R381
R41
C151
R382
C152
R42
L67
R383
C153
L68
R578
R384
R385
L69
R579
R386
C157
R389
C159
R195
R196
R198
L71
L72
C352
R390
R584
R391
C161
C355
R586
R392
C356
R393
C357
C358
R394
C359
R974
R399
R975
C554
C360
R978
R592
C556
R593
C557
R594
C558
R595
C559
R597
R598
R980
R981
C561
C562
C563
C370
C371
C372
C373
C180
R71
R72
C378
R990
C379
L99
R991
R992
C187
R993
C188
C571
C189
C572
R997
C380
R998
C381
C575
R999
C576
C383
C190
C191
C192
C193
C387
R83
R84
C195
C389
C581
C199
C582
C390
C391
R90
C394
R91
C396
R92
C397
C398
C399
R98
R202
R203
IC11
IC16
A
A
B
B
Control Board
PNLB2677
N1058YMZA
S1058YMZB
N1028YMZA
N1028XMZA
S1028YMZB
N1058XMZA
C
C
Q26
C186
C185
R476
R475
R478
R477
F3
C496
Q6
Q4
Q3
Q1
R1004
R1005
R14
R15
Q5
C427
C553
C388
Q56
Q55
R562
D11
D8
D9
R566
R572
C334
Q50
D12
D20
R556
Q41
D19
C659
D32
R650
R3
R10
R7
C560
R4
R505
PNLP
ZB-WK
2017.11.28
R167
C304
C175
C347
R498
R311
R8
R459
C117
R184
C350
C351
C348
C349
Q22
C182
R284
R284
R285
R314
R1007
R1009
R1008
R1010
R989
R564
R917
R153
R166
S1027CM2ZA
S1057CM2ZA
SMT
MODEL
R147
R143
12
3
456789
A
B
C
DEF
C
DEF
G
H
I
H
I
REF1
Refer to “PNLB2677ZB-WK”
9
KV-S1058Y/KV-S1028Y/KV-S1057C-M2/J2/KV-S1027C-M2/J2
1.5.
Exploded View and Replacement Parts List
1.5.1.
15.1.Exterior
Top Cover Assembly
Feed Tray Assembly
Upper Chassis
Lower Chassis
101
102
104
105
105
105
105
112
108
115
114
109
103
110
113
111
111
C
H
Click on the first or last page to see other KV-S1058Y / KV-S1028Y / KV-S1057C-M2 / KV-S1057C-J2 / KV-S1027C-M2 / KV-S1027C-J2 (serv.man2) service manuals if exist.