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204
KX-MB283BR
+2.5V
+2.5V
CRS
1:7C
L.F
L752
1
4
3
2
RX_ER
1:7D
TX_EN
1:7C
+3.3V
L.F
L753
1
4
3
2
+2.5VA
RX_CLKI
1:7D
RA752
1
2
3
4
5
6
7
8
RX_DV
1:7D
TX_ER
1:7D
MDIO
1:7D
MGINT
1:7E
RXD[0-3]
1:7D
MDC
1:7E
+2.5PLL
+2.5VA
TX_CLKI
1:7C
TXD[0-3]
1:7D
XLANRST
1:2I
RA751
1
2
3
4
5
6
7
8
C761
NC
(
)
+2.5PLL
CN750
1
TD+
2
TD-
3
RD+
4
TCT
5
6
RD-
7
RCT
8
9
10
+3.3V
RA750
1
2
3
45
6
7
8
+2.5VA
IC750
1
MDIO
2
MDC
3
RXD3/PHYAD
4
RXD2/PHYAD2
5
RXD1/PHYAD3
6
RXD0/PHYAD4
7
VDDIO1
8
GND1
9
RXDV/CRSDV/PCS_LPBK
10
RXC
11
RXER/ISO
12
GND2
13
VDDC
14
TXER
15
TXC/REFCLK
16
TXEN
17
TXD0
18
TXD1
19
TXD2
20
TXD3
21
COL/RMII
22
CRS/RMII_BTB
23
GND3
24
VDDIO2
25
*INT/PHYAD0
26
LED0/TEST
27
LED1/SPD100/*FEF
28
LED2/DUPLEX
29
LED3/NWAYEN
30
*PD
31
VDDRX
32
RX-
33
RX+
34
FXSD/FXEN
35
GND4
36
GND5
37
REXT
38
VDDRCV
39
GND6
40
TX-
41
TX+
42
VDDTX
43
GND7
44
GND8
45
XO
46
XI
47
VDDPLL
48
*RST
COL
1:7C
K0.01u/50V
C706
NC
(
)
R702
+24V
K1000p
C711
R708
F0.82(3216)
ADFMEN
1:2H
CRM0
1:2H;3:6C
K1000p
C710
CRM5
1:2H;3:6D
CRM2
1:2H;3:6D
K1000p
C712
CRM4
1:2H;3:6D
K0.01u/50V
C705
CRM1
1:2H;3:6D
Z0.1u
C702
Z0.1u
C703
K1000p
C709
R707
F0.82(3216)
AP1
CN701
1
A
2
B
3
XA
4
XB
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
VCC
22
S5VOUT
23
GND
24
PWMSW
25
PHA1
26
PHB1
27
IN0
28
IN1
29
IN2
30
IN3
31
ENABLEA
16
VPUMP
32
TJMON
CRM3
1:2H;3:6D
MVREF
3:5B
56k
R706
CN700
AP1
1
3.3V
2
RPS
3
DOCU
4
GND
5.6k
R703
DOCU
1:5J
+3.3V
5.6k
R704
RPS
1:5J
K1000p
C704
K1000p
C701
56k
R705
50 100p
C750
16
C751
100n
25
C752
10n
16
C753
100n
10
C754
100n
10
C755
100n
16
C758
100n
16
C759
100n
25
10n
C760
6.3
C762
47u
5022p
C763
5022p
C764
5022p
C765
5022p
C766
L750
L751
R750
49.9
R751
49.9
R752
49.9
R753
49.9
R754
6.49k
R755
220
R756
33
R758
0
10k
R759
330
R760
33
R761
R762
33
R763
33
R764
33
R765
33
R76733
X750
25M
LED750
2.2
R709
50
C756
10p
50
C757
12p
TXD[1]
TXD[2]
TXD[3]
RXD[3]
RXD[0]
RXD[1]
RXD[2]
TXD[0]
For LAN models only
TO ADFM
TO ADF SENSOR
For ADF models only
6
5
8
7
C
E
B
A
D
F
KX-MB283BR SCHEMATIC DIAGRAM (MAIN BOARD No.2) (2/2)
2/2
2
-2
25MHZ
Summary of Contents for KX-MB283BR
Page 9: ...9 KX MB283BR 4 2 Translation Lists 4 2 1 Error Message Display...
Page 11: ...11 KX MB283BR 6 Technical Descriptions 6 1 CONNECTION DIAGRAM...
Page 29: ...29 KX MB283BR 6 6 2 FLAT TORQUE 1 2 PHASE EXCITATION HALF STEP 1 Timing chart 2 Wave form...
Page 30: ...30 KX MB283BR 6 6 3 W 1 2 PHASE EXCITATION QUARTER STEP 1 Timing chart 2 Wave form...
Page 34: ...34 KX MB283BR 6 9 LSU Laser Scanning Unit SECTION...
Page 35: ...35 KX MB283BR...
Page 43: ...43 KX MB283BR 6 10 9 2 Drum Detection...
Page 49: ...49 KX MB283BR...
Page 54: ...54 KX MB283BR DC DC Main Board Supply...
Page 55: ...55 KX MB283BR wave form...
Page 103: ...103 KX MB283BR 11 2 7 6 LIGHT PRINT CROSS REFERENCE HIGH VOLTAGE SECTION P 128...
Page 105: ...105 KX MB283BR 11 2 8 2 THE RECORDING PAPER IS WAVED OR WRINKLED...
Page 106: ...106 KX MB283BR 11 2 8 3 SKEW...
Page 108: ...108 KX MB283BR 11 2 8 5 THE RECORDING PAPER JAM...
Page 111: ...111 KX MB283BR CROSS REFERENCE MOTOR SECTION P 120...
Page 112: ...112 KX MB283BR 11 2 9 2 SKEW ADF...
Page 114: ...114 KX MB283BR 11 2 9 6 BLACK OR WHITE VERTICAL LINE IS COPIED...
Page 115: ...115 KX MB283BR 11 2 10 AN ABNORMAL IMAGE IS COPIED CROSS REFERENCE CIS CONTROL SECTION P 124...
Page 120: ...120 KX MB283BR 11 2 14 MOTOR SECTION 11 2 14 1 ENGINE MOTOR...
Page 121: ...121 KX MB283BR 11 2 14 2 FB Flatbed MOTOR...
Page 122: ...122 KX MB283BR 11 2 14 3 ADF MOTOR...
Page 123: ...123 KX MB283BR 11 2 15 LSU SECTION CROSS REFERENCE LSU Laser Scanning Unit SECTION P 34...
Page 124: ...124 KX MB283BR 11 2 16 CIS CONTROL SECTION...
Page 125: ...125 KX MB283BR CROSS REFERENCE TEST FUNCTIONS P 73...
Page 127: ...127 KX MB283BR...
Page 128: ...128 KX MB283BR 11 2 18 HIGH VOLTAGE SECTION 1 Main...
Page 129: ...129 KX MB283BR 2 CHG GRID 3 TRA...
Page 130: ...130 KX MB283BR 3 DEV DC TRA...
Page 131: ...131 KX MB283BR 11 2 19 USB SECTION Troubleshooting 1 Confirmation of the PC settings...
Page 132: ...132 KX MB283BR 2 Confirmation of the main unit...
Page 134: ...134 KX MB283BR Waveform of normal operation...
Page 136: ...136 KX MB283BR 2 When 100Base TX enabled deviced is connected...
Page 137: ...137 KX MB283BR 3 When 10Base T enabled device is connected...
Page 140: ...140 KX MB283BR 11 2 21 MAIN BOARD SECTION 3 3V TROUBLESHOOTING GUIDE...
Page 141: ...141 KX MB283BR 1 2V TROUBLESHOOTING GUIDE...
Page 145: ...145 KX MB283BR When the document has jammed near the document exit 3 Close the ADF cover...
Page 154: ...154 KX MB283BR 12 Service Fixture Tools...
Page 156: ...156 KX MB283BR 13 1 ADF SECTION...
Page 157: ...157 KX MB283BR 13 2 REMOVE ADF SECTION 1...
Page 158: ...158 KX MB283BR 13 3 REMOVE ADF SECTION...
Page 159: ...159 KX MB283BR 13 4 REMOVE TOP COVER SECTION...
Page 160: ...160 KX MB283BR 13 5 REMOVE SCANNER GLASS SECTION...
Page 161: ...161 KX MB283BR 13 6 REMOVE OPERATION PANEL SECTION...
Page 162: ...162 KX MB283BR 13 7 LEFT SIDE SECTION 13 8 REMOVE MAIN BOARD...
Page 163: ...163 KX MB283BR 13 9 REMOVE GEAR CHASSIS SECTION...
Page 164: ...164 KX MB283BR 13 10 REMOVE PAPER FEED ROLLER 13 11 RIGHT SIDE SECTION...
Page 165: ...165 KX MB283BR 13 12 REMOVE RIGHT SIDE COVER SECTION...
Page 166: ...166 KX MB283BR 13 13 LOWER SIDE CABINET SECTION...
Page 167: ...167 KX MB283BR 13 14 REMOVE RIGHT CASSETTE GUIDE 13 15 REMOVE PICK UP BOARD...
Page 168: ...168 KX MB283BR 13 16 REMOVE HIGH VOLTAGE POWER BOARD...
Page 169: ...169 KX MB283BR 13 17 REMOVE PICK UP ROLLER UNIT...
Page 170: ...170 KX MB283BR 13 18 REMOVE LOW VOLTAGE POWER BOARD...
Page 171: ...171 KX MB283BR 13 19 REMOVE FUSER UNIT...
Page 172: ...172 KX MB283BR 13 20 Installation Position of The Lead 13 20 1 MAIN BAORD SECTION...
Page 173: ...173 KX MB283BR 13 20 2 BOTTOM PART SECTION...
Page 174: ...174 KX MB283BR 13 20 3 SIDE CABINET SECTION...
Page 175: ...175 KX MB283BR 13 20 4 HIGH VOLTAGE POWER SUPPLY BOARD SECTION...
Page 176: ...176 KX MB283BR 13 20 5 LOW VOLTAGE POWER SUPPLY BOARD SECTION...
Page 177: ...177 KX MB283BR 13 20 6 AC INLET SECTION 13 20 7 SOLENOID LEAD SECTION...
Page 190: ...190 KX MB283BR 14 4 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 14 4 1 MAIN BOARD 1...
Page 191: ...191 KX MB283BR 14 4 2 MAIN BOARD 2 14 4 3 OPERATION BOARD...
Page 195: ...195 KX MB283BR 14 6 1 NG EXAMPLE...
Page 196: ...196 KX MB283BR 14 7 TEST CHART 14 7 1 ITU T No 1 TEST CHART...
Page 197: ...197 KX MB283BR 14 7 2 ITU T No 2 TEST CHART...
Page 202: ...202 KX MB283BR MEMO...
Page 211: ...211 KX MB283BR MEMO...
Page 220: ...220 KX MB283BR 17 1 2 TOP COVER SECTION...
Page 221: ...221 KX MB283BR 17 1 3 ADF SECTION...
Page 222: ...222 KX MB283BR 17 1 4 MOTOR SECTION...
Page 223: ...223 KX MB283BR 17 1 5 LOWER CABINET SECTION...
Page 224: ...224 KX MB283BR 17 1 6 UPPER CABINET SECTION...
Page 225: ...225 KX MB283BR 17 1 7 FUSER SECTION...
Page 226: ...226 KX MB283BR 17 1 8 LOWERSIDE CABINET...
Page 227: ...227 KX MB283BR 17 1 9 GEAR SECTION 1...
Page 228: ...228 KX MB283BR 17 1 10 GEAR SECTION 2...
Page 229: ...229 KX MB283BR 17 1 11 CASSETTE OUTPUT TRAY...
Page 230: ...230 KX MB283BR 17 1 12 ACTUAL SIZE OF SCREWS AND WASHERS...
Page 231: ...231 KX MB283BR 17 1 13 ACCESSORIES AND PACKING MATERIALS...
Page 240: ...240 KX MB283BR H I KXMB283BR...