
271
KX-FLB802CX/KX-FLB812CX/KX-FLB802CXS/KX-FLB812CXS
17 Printed Circuit Board
17.1. DIGITAL BOARD
17.1.1.
DIGITAL BOARD
: COMPONENT VIEW
4
3
1
2
CN601
L813
IC601
C882
C611
R836 R837 R838 R839 R840 R841 R842 R843
C610
C809
C612
54
28
27
1
C615
L600
C602
C619
C566
C883
L610
C799
C766
C926
C745
C805
D802
D801L629
X600
V1
R618
R620
C640
R625
C648
C649
R626
C569
R609
R608
Q606
CN623
Q605
1
2
Q612
D601
R817
C581
C582
C914
E
R818
D603
Q610
C927
C929
1
1
C788
2
1
1
2
20
19
1
CN624
L617
C651
C904
+12V
+24V
C650
C584
C658
C620
C657
L695
C786
C710
C583
C782
R902
R903
R645
R646
R649
R650
R651
C827
C828 C587
C586
L694
R904
PG
C787
C656
C894
C772
C868
C855
C720
C925
R633
R634
CN606
CN615
CN602
CN618
CN614
CN609
CN611
CN613
3
1
1
7
5
28
27
1
1
2
7
1
9
8
X605
C732
16
1
11
1
L644
C770
C820
C821
C822
C823
C824
C825
C826
CN625
CN608
E
Q613
C905
C812
R868
C585
E Q619
Q620
Q625
Q633
Q635
C719
E
E
Q601
Q602
R632
R910
R911
R913
R914
R916
R907
R909
R906
R614
R810
R607
L620
R717
R719
C878
C886
C607
C796
C892
R631
R629 R628 R630
R731
R727
C806
C867
C903
L811
F609
3.15A
C915
L679
L678
L677
L676
C793
C792
C580
C576
C575
C875
C902
C808
C667
C794
C785
R831
R830
C870
C718
C869
C778
C739
C840
C744
C738
C669
R676
R796
+6V
E
Q624
R720
C717
IC608
PbF
PFUP1520Z
A
C760
R747
L674
C736
1
30
31
50
51
80
81
100
IC607
IC603
C726
C725
Q644
C784R872
R666
C891
R829
Q642
C727
AG
CN607
CN612
CN617
C588
L633
R870
C589
C599
1
1
CN604
CN620
CN619
CN603
1
1
1
8
2
3
4
1
2
8
L815
R819
R699
C714
C594
R694
73
L684
R707 R705
L683 L682
72
C688
R688 R670
R702
RA629
RA627
RA628
144
C670
C618
C617
C854
L601
L608 L727
C682
R684
R681
R692
RA630
C741
C748
C747
C750
C733
C752
C709
R757
R683
C676
C751
R755
R769
C660
C663
L638
L636
L640
L639
L634
L689
L637
L635
L688
L690
C924
C921
C922C923
C928
R687
C885
BAT600
C773
C807
C769
C879
C573
C574
C572
40 39
C874
R794
C700
C936
C858
C595
C590
C681
C895
C695
R773
L671
L670
L696
L660
L669
L662
L661
C699
C712
C711
C857
C774
R706
R703
R788
R680
Q634
L816
L663
L642 L641
C757
R657
C779
R714
R708
R712
R713
C701 C901
C900
C877
R604
R709
L731
C707
C671
L681
C708
C686
X604
6
1
R679
R690
R693
R780
R774
C865
C687
E
Q622
51
Q626
C652
D605
R711
R710
R775
C899
R612
Q600
PCB-CH
REF-CH
AUTO-CH
IC604
A
A
C
C
+3.3V/BAT
Q615
Q631
Q639 Q614
Q611
Q609
Q623
E
E
E
E
E
E
E
D606
D604
R700
C697
+3.3V
108
X602
C691
C690
R695
+5V
J600
C802
C678
C655
C817
C801
C800
R793
R821
R820
C675
C834
C713
R792
C818
E
8
5
IC609
4
1
L646
C698
37
36
C696
C702
R704
R851
R850
R849
R848
R847
R846
R845
R844
C703
X603
L699
R635
R636
L691
RA621
RA620
RA619
RA623
RA622
RA618
RA617
RA616
IC605
RA615
RA624
RA625
RA626
R701
BOND
X601
32.7
C680
C668
1
R698
C694
R674
R672
R671
R660
R675
R661
R656
R659
C661
C664
DA600
C683
C692
C937
C775
C906
C934
C679
C605
C609
C608
R613 R615
R606
R605
R811
R812
C613
L728
L686
L685
C666
C665
RA607
RA608
C860
C559
C852
C864
C869
C693
C797 C758
C759
C939
IC606
C813
C863
C908
C819
C909 C910
C872
C551
C579
DG
C577
C552
R833
R826
R827
R777
R767
R768
R813
R908
R834
1
C555 C556
C578
L611
12
IC612
IC611
11
10
20
8
7
1
R822
C798
R832
RA631
RA611
RA612
RA613
IC600
RA614
RA602
RA603
RA604
L814
R835
R808
R799
R800
R824
R603
R602
R697
R905
R696
R621
R616
C674
C810
C811
C601
C600
C930
C777
IC613
IC614
L716
L715
1
L724
L602
L607L604 L603
RESET
A1
A18
V18
C677
C685
C880
C606
1
2
1
+1.8V
KX-FLB802 / 812CXS DIGITAL BOARD COMPONENT VIEW
KX-FLB802 / 812CX
Summary of Contents for KX-FLB802CX
Page 37: ...37 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 6 8 1 2 ENGINE MOTOR ...
Page 41: ...41 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 6 8 3 2 FB Flatbed MOTOR DRIVE CIRCUIT ...
Page 47: ...47 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 6 12 LSU Laser Scanning Unit SECTION ...
Page 48: ...48 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS ...
Page 57: ...57 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 6 13 12 2 Drum Detection ...
Page 63: ...63 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS ...
Page 125: ...125 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS ...
Page 136: ...136 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 12 3 8 3 SKEW ...
Page 138: ...138 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 12 3 8 5 THE RECORDING PAPER JAM ...
Page 141: ...141 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS CROSS REFERENCE MOTOR SECTION P 172 ...
Page 142: ...142 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 12 3 9 2 SKEW ADF ...
Page 153: ...153 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 12 3 11 3 PRINTOUT EXAMPLE ...
Page 154: ...154 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS ...
Page 156: ...156 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS ...
Page 157: ...157 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS CROSS REFERENCE TEST FUNCTIONS P 92 ...
Page 158: ...158 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS CROSS REFERENCE TEST FUNCTIONS P 92 ...
Page 159: ...159 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS CROSS REFERENCE TEST FUNCTIONS P 92 ...
Page 160: ...160 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS CROSS REFERENCE TEST FUNCTIONS P 92 ...
Page 161: ...161 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS ...
Page 162: ...162 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS ...
Page 163: ...163 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS CROSS REFERENCE TEST FUNCTIONS P 92 ...
Page 173: ...173 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 12 3 13 6 2 ADF MOTOR ...
Page 175: ...175 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 12 3 14 CIS CONTROL SECTION ...
Page 176: ...176 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS CROSS REFERENCE TEST FUNCTIONS P 92 ...
Page 178: ...178 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS ...
Page 179: ...179 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 12 3 16 HIGH VOLTAGE SECTION 1 Main ...
Page 180: ...180 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 2 CHG GRID ...
Page 181: ...181 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 3 TRA ...
Page 182: ...182 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 3 DEV DC ...
Page 183: ...183 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 4 DEV AC ...
Page 184: ...184 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS TRA ...
Page 186: ...186 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 2 Confirmation of the digital unit ...
Page 188: ...188 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS Waveform of normal operation ...
Page 190: ...190 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 12 3 18 2 TROUBLESHOOTING FLOW CHART ...
Page 193: ...193 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 3 Close the ADF cover ...
Page 199: ...199 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 13 Service Fixture Tools ...
Page 201: ...201 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 1 LOWER CABINET SECTION ...
Page 202: ...202 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 2 PRINTER COVER SECTION ...
Page 203: ...203 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 3 SORTER SECTION ...
Page 206: ...206 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 6 REMOVE THE BOTTOM PLATE ...
Page 208: ...208 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 8 REMOVE THE ALALOG BOARD ...
Page 209: ...209 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 9 REMOVE THE DIGITAL BOARD ...
Page 210: ...210 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 10 REMOVE THE MIRROR ...
Page 212: ...212 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 12 REMOVE THE LASER UNIT ...
Page 213: ...213 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 13 REMOVE THE PICK UP ROLLER ...
Page 215: ...215 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 15 REMOVE THE FUSER UNIT PARTS ...
Page 218: ...218 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 18 REMOVE THE SCANNER GLASS COVER ...
Page 219: ...219 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 19 REMOVE THE SCANNER SECTION ...
Page 220: ...220 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 20 REMOVE THE MULTI ROLLER ...
Page 221: ...221 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 21 REMOVE THE TRANSFER ROLLER UNIT ...
Page 223: ...223 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 23 REMOVE THE MAIN GEAR UNIT ...
Page 224: ...224 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 24 REMOVE THE ADF TOP COVER ...
Page 225: ...225 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS ...
Page 226: ...226 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 25 REMOVE THE ADF UNIT ...
Page 227: ...227 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 26 REMOVE THE ADF PARTS ...
Page 228: ...228 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 27 REMOVE THE SORTER UNIT PARTS ...
Page 229: ...229 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS ...
Page 234: ...234 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 28 9 FAN LEFT MOTOR SECTION ...
Page 235: ...235 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 14 29 HOW TO INSTALL FERRITE CORE ...
Page 251: ...251 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 15 4 6 LOW VOLTAGE POWER SUPPLY BOARD ...
Page 254: ...254 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 15 6 1 NG EXAMPLE ...
Page 256: ...256 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 15 7 2 ITU T No 2 TEST CHART ...
Page 286: ...286 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 19 1 2 RINTER COVER SECTION 1 ...
Page 287: ...287 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 19 1 3 ADF SECTION ...
Page 288: ...288 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 19 1 4 PRINT COVER SECTION 2 ...
Page 289: ...289 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 19 1 5 PRINTER COVER SECTION 3 ...
Page 290: ...290 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 19 1 6 MANUAL TRAY SECTION ...
Page 292: ...292 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 19 1 8 UPPER CABINET SECTION ...
Page 293: ...293 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 19 1 9 FUSER SECTION ...
Page 294: ...294 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 19 1 10 MOTOR SECTION ...
Page 295: ...295 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 19 1 11 GEAR SECTION ...
Page 296: ...296 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 19 1 12 LOWER CABINET SECTION 1 ...
Page 297: ...297 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 19 1 13 LOWER CABINET SECTION 2 ...
Page 298: ...298 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 19 1 14 LOWER CABINET SECTION 3 ...
Page 299: ...299 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 19 1 15 MAIN CABINET ...
Page 300: ...300 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 19 1 16 LOWERSIDE CABINET ...
Page 301: ...301 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS 19 1 17 CASSETTE DOCUMENT TRAY ...
Page 323: ...323 KX FLB802CX KX FLB812CX KX FLB802CXS KX FLB812CXS YF Q KXFLB802 KXFLB812 ...