207
KX-MB2085CXW/KX-MB2090CXW
5
A
B
C
D
E
F
6
7
8
2/2
2
-2
KX-MB2085CXW MAIN BOARD (No.2) (2/2)
+
-
AFEVSMP
1:3A
AFESIFEN
1:3B
AFEMCLK
1:3A
C518
Z0.1u(1608)
+24V
IC504
4
GND
8
VCC
FANON1
1:3D
FANDET1
1:3E
C605
35V/47u
CN600
292161-4
1
2
3
4
CRMEN
1:1E
C608
K1000p
LEDCTL
1:3E
R607
2.7(3216)
C609
K1000p
CRM0
7C;1:1E
RA700
5.6k
1
4
ADFMEN
1:1E
R608
2.7(3216)
CRM4
7C;1:1E
+24V
PWD
1:1F
RA701
22k
1
23
4
C704 K1000p
DOCU
1:3E
Q702
C600
K1u
CRM3
7C;1:1E
C607
K1000p
5.6k
2
3
C703 K1000p
CN701
AP1
B4B-PH-K-S(LF)(SN)
1
A
2
XA
3
XB
4
B
C610
K1000p
Q701
B
C
E
RPS
1:3E
CRM2
7C;1:1E
R602
10k
+3.3V
CRM5
7C;1:1E
R606
47k
CN700
AP1
2-292161-4
1
3.3V
2
RPS
3
DOCU
4
GND
CRM1
7C;1:1E
+3.3V
C569
K0.047u
R509
1k
PSTART
1:3F
R506
22k
R510
5.6k
TNR
1:3E
C508
K0.047u
R527
5.6k
RESIST
1:3E
R512
5.6k
C565
K0.047u
C510
K1000p
THRMSTR0
3C;1:1C
R513
5.6k
FANDET2
1:3F
C507
K1000p
C509
K1000p
POUT
1:3E
C516
K1000p
PICK
1:3E
2
3
RA501
5.6k
1
4
R423
F150k
R430
F150k
C422
J100p
IC504
3
2
1
R424
10k
R425
F22k
R422
1k
C421
K1u
R421
1k
+3.3V
C423
K1000p
+3.3V
R432
56k
R433
5.6k
IC600
1
VM1
2
NC1
3
BOUT2
4
NC2
5
RCSB
6
NC3
7
BOUT1
8
NC4
9
AOUT2
10
NC5
11
RCSA
12
NC6
13
AOUT1
14
NC7
15
VM2
17
BC2
18
BC1
19
VREFA
20
VREFB
21
S5VOUT
22
STBY
23
GND
24
PWMSW
25
PHA1
26
PHB1
27
IN0
28
IN1
29
IN2
30
IN3
31
ENABLEA
16
VPUMP
32
TJMON
+3.3V
C604
K0.01u(1608)
C603
K0.01u(1608)
PWRDWN2
5B;7C;1:1F
C606
Z0.1u(1608)
R610
F0.47(3216)
R609
F0.47(3216)
C602
K0.1u
R605
NC
C601
K1u
Q601
Q602
CRM0
7B;1:1E
C708
K1000p
R701
NC
CRM5
7B;1:1E
C702
K0.01u(1608)
C700
K0.1u
IC700
1
VM1
2
NC1
3
BOUT2
4
NC2
5
RCSB
6
NC3
7
BOUT1
8
NC4
9
AOUT2
10
NC5
11
RCSA
12
NC6
13
AOUT1
14
NC7
15
VM2
17
BC2
18
BC1
19
VREFA
20
VREFB
21
S5VOUT
22
STBY
23
GND
24
PWMSW
25
PHA1
26
PHB1
27
IN0
28
IN1
29
IN2
30
IN3
31
ENABLEA
16
VPUMP
32
TJMON
PWRDWN2
5B;7B;1:1F
Q700
C707
K1000p
C705
K1000p
CRM1
7B;1:1E
CRM3
7B;1:1E
C706
K1000p
R700
10k
+3.3V
CRM4
7B;1:1E
C701
K0.01u(1608)
CRM2
7B;1:1E
R702
F0.39(3216)
R703
F0.39(3216)
R704
NC
Q421
Q600
R611
10k
R601
F1.6k
R604
F470
R603
470k
R612
22k
F602
R773
NC
R755
NC
R771
NC
C760
NC
XLANRST
1:3D
TXD1
1:1B
TXD0
1:1B
C765
NC
RXD1
1:1C
REF_CLK
1:1B
C764
NC
CRS_DV
1:1B
MDC
1:1C
L752
NC
4
3
2
1
C767
NC
RX_ER
1:1B
R758
NC
R772
NC
L753
NC
4
3
2
1
TX_EN
1:1B
R750
NC
MDIO
1:1C
IC750
NC
13
RXDV
14
RXD0
15
DVDD33_1
16
RXD1
17
RXD2
18
RXD3/CLK_CTL
19
RXC
20
GND2
21
DVDD33_2
22
TXC
23
TXD0
24
TXD1
25
TXD2
26
TXD3
27
TXEN
28
DVDD10
29
PHYRSTB
30
MDC
31
MDIO
32
INTB
33
GND3
34
LED0/PHYAD0
35
LED1/PHYAD1
36
CRS/CRS_DV
37
DVDD33_3
38
COL
39
RXER/FXEN
40
DVDD10OUT1
41
AVDD33_2
42
CKXTAL1
43
CKXTAL2
44
NC5
45
NC6
46
RSET
47
GND4
48
DVDD10OUT2
1
MDI+0
2
MDI-0
3
NC1
4
MDI+1
5
MDI-1
6
AVDD33_1
7
GND1
8
NC2
9
NC3
10
PMEB
11
NC4
12
TXER
C757
NC
C759
NC
RXD0
1:1B
C761
NC
X750
NC
C750
NC
C755
NC
+3.3V
+3.3V
R757
NC
R752
NC
+3.3V
L750
NC
CN750
NC
1
2
3
4
5
6
7
8
9
10
C754
NC
C756
NC
C766 NC
R759
NC
C768
NC
C758
NC
R751
NC
C763
NC
R756
NC
LED750
NC
A
K
MGTINT
1:1C
Q804
C814 K4700p
IC800
1
EN
2
VFB
3
VREG5
4
SS
5
GND1
6
SW
7
VBST
8
VIN
9
GND2
LVIN
R812
0(1608)
C813 K1u
R809
10k
C812
NC
R816
1k
+1.2V
R842
NC
R803
F22.1k
C809
Z0.1u(1608)
+5VD
C808
10u/25V
R811
F12.7k
C816
47u/6.3V
R815
10k
R805
10k(1608)
C810
K0.1u
Q803
C825
NC
L801
2.2u
D801
C762
NC
C752
NC
TO ADFM
TO FBM
TO ADF SENSOR
+1.2V
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
Summary of Contents for KX-MB2085CXW
Page 44: ...44 KX MB2085CXW KX MB2090CXW 6 11 LSU Laser Scanning Unit Section ...
Page 45: ...45 KX MB2085CXW KX MB2090CXW ...
Page 53: ...53 KX MB2085CXW KX MB2090CXW 6 12 9 2 Drum Detection ...
Page 60: ...60 KX MB2085CXW KX MB2090CXW ...
Page 80: ...80 KX MB2085CXW KX MB2090CXW KX MB2090 ...
Page 81: ...81 KX MB2085CXW KX MB2090CXW Note The above values are the default values ...
Page 112: ...112 KX MB2085CXW KX MB2090CXW 12 3 7 6 Light Print CROSS REFERENCE High Voltage Section P 152 ...
Page 114: ...114 KX MB2085CXW KX MB2090CXW 12 3 8 2 The Recording Paper Is Waved or Wrinkled ...
Page 115: ...115 KX MB2085CXW KX MB2090CXW 12 3 8 3 Skew ...
Page 117: ...117 KX MB2085CXW KX MB2090CXW 12 3 8 5 The Recording Paper Jam ...
Page 126: ...126 KX MB2085CXW KX MB2090CXW ...
Page 128: ...128 KX MB2085CXW KX MB2090CXW ...
Page 129: ...129 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...
Page 130: ...130 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...
Page 131: ...131 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...
Page 132: ...132 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...
Page 133: ...133 KX MB2085CXW KX MB2090CXW ...
Page 134: ...134 KX MB2085CXW KX MB2090CXW ...
Page 135: ...135 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...
Page 144: ...144 KX MB2085CXW KX MB2090CXW 12 3 15 Motor Section 12 3 15 1 Engine Motor ...
Page 148: ...148 KX MB2085CXW KX MB2090CXW 12 3 17 CIS Control Section ...
Page 149: ...149 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...
Page 151: ...151 KX MB2085CXW KX MB2090CXW ...
Page 152: ...152 KX MB2085CXW KX MB2090CXW 12 3 19 High Voltage Section 1 Main ...
Page 153: ...153 KX MB2085CXW KX MB2090CXW 2 CHG GRID ...
Page 154: ...154 KX MB2085CXW KX MB2090CXW 3 TRA ...
Page 155: ...155 KX MB2085CXW KX MB2090CXW 3 DEV DC ...
Page 156: ...156 KX MB2085CXW KX MB2090CXW TRA ...
Page 158: ...158 KX MB2085CXW KX MB2090CXW 2 Confirmation of the main unit ...
Page 160: ...160 KX MB2085CXW KX MB2090CXW Waveform of normal operation ...
Page 162: ...162 KX MB2085CXW KX MB2090CXW 2 When 100Base TX enabled deviced is connected ...
Page 163: ...163 KX MB2085CXW KX MB2090CXW 3 When 10Base T enabled device is connected ...
Page 168: ...168 KX MB2085CXW KX MB2090CXW 12 3 23 2 Troubleshooting Flow Chart ...
Page 171: ...171 KX MB2085CXW KX MB2090CXW 13 Service Fixture Tools ...
Page 173: ...173 KX MB2085CXW KX MB2090CXW 14 1 Bottom Section 14 2 Left Side Section ...
Page 174: ...174 KX MB2085CXW KX MB2090CXW 14 3 Operation Panel Section 14 4 Open Top Cover ...
Page 175: ...175 KX MB2085CXW KX MB2090CXW 14 5 Remove Operation Panel 14 6 Remove Operation Board ...
Page 176: ...176 KX MB2085CXW KX MB2090CXW 14 7 Remove Main Board ...
Page 177: ...177 KX MB2085CXW KX MB2090CXW 14 8 Remove Gear Chassis Section ...
Page 178: ...178 KX MB2085CXW KX MB2090CXW 14 9 Remove Right Cover 14 10 Remove Right Cassette Guide ...
Page 179: ...179 KX MB2085CXW KX MB2090CXW 14 11 Remove Bottom Plate 14 12 Remove Laser Unit ...
Page 180: ...180 KX MB2085CXW KX MB2090CXW 14 13 Remove Pick up Roller ...
Page 181: ...181 KX MB2085CXW KX MB2090CXW 14 14 Remove Low Voltage Power Board 14 15 Remove Mirror ...
Page 200: ...200 KX MB2085CXW KX MB2090CXW 15 6 1 NG Example ...
Page 201: ...201 KX MB2085CXW KX MB2090CXW 15 7 Test Chart 15 7 1 ITU T No 1 Test Chart ...
Page 202: ...202 KX MB2085CXW KX MB2090CXW 15 7 2 ITU T No 2 Test Chart ...
Page 257: ...Information The extract from an Operating Instructions ...