214
KX-MB2085CXW/KX-MB2090CXW
16.3.3. Main Board (3)
1
A
B
C
D
E
F
2
3
4
2/4
1/2
3
-1
KX-MB2090CXW MAIN BOARD (No.3) (1/2)
CID
Hs Tx
HS Tx
FAX Tx
Tone
Hs Rx
HS Rx
FAX Rx
Monitor Rx
Monitor Rx
HS Tx
HS Rx
FAX Tx
FAX Rx
Monitor Rx
Tone
Ringing
Alarm
Beep
Key tones
+
-
+
-
IC200
1
VND1
2
VPD1
9
*RST
3
GPIO0
4
GPIO1
5
GPIO2
6
GPIO3
7
*FS
8
SCLK
10
VPA
11
TXAN
12
TXAP
13
VREF
14
RXAN
15
RXAP
17
VNPLL
18
OSCOUT
19
OSCIN
20
VPPLL
21
CLKOUT
22
VND2
23
GPIO4
24
GPIO5
26
N/C
27
TYPE
28
SckMode
29
SDIN
30
GPIO6
31
GPIO7
32
SDOUT
33
GND
16
VNA
25
VPD2
+2.5V
+3.3V
DG
+5VA
+24VA
DG
ABITCLK
1:1A
DG
+12V
ARXD
1:1A
+2.5V
+3.3V
R226
47k
+12V
DG
ATXD
1:1A
R275
22
R218
22
AFERST
1:1B
DG
DG
+24V
ASPCLK
1:1A
R274 47k
DG
DG
DG
DG
DG
DG
DG
DG
C235
K0.1u
C246
K0.1u 10
C204
K0.1u
10
C207
K0.1u
R258
10(1608)
R257
10(1608)
C215
10u/35V
C254
22u/6.3V
C240
22u/6.3V
C236
22u/6.3V
DG
C228
J100p
BREAK
1:1E
S5V
R230
82k
R240
82k
C107
NC
( )
R247
2.2k
C213
J100p
L212
0(1608)
L213
0(1608)
C113
NC
( )
DG
C270
K0.1u
DG
R282 47k
DG
C273
K0.1u
IC203
1
VND1
2
VPD1
9
*RST
3
GPIO0
4
GPIO1
5
GPIO2
6
GPIO3
7
*FS
8
SCLK
10
VPA
11
TXAN
12
TXAP
13
VREF
14
RXAN
15
RXAP
17
VNPLL
18
OSCOUT
19
OSCIN
20
VPPLL
21
CLKOUT
22
VND2
23
GPIO4
24
GPIO5
26
N/C
27
TYPE
28
SckMode
29
SDIN
30
GPIO6
31
GPIO7
32
SDOUT
33
GND
16
VNA
25
VPD2
DG
C275
K0.1u
R285
22
R286
22
DG
BBITCLK
1:1A
BSPCLK
1:1A
BRXD
1:1A
BTXD
1:1A
AFECLK
1:1B;4D
AFECLK
1:1B;1E
C114
NC
( )
R124
NC
( )
J112
NC
( )
J108
W5NL5T
Q209
R291
560k
C280
J100p
DG
+5VA
C219
50V/4.7u
R276
33k
FAX_RX
1:1D
CID_RX
1:1D
R288
0
F_MUTE
1:1E
R225
1M
DG
R237
12k
R231
12k
R280
0(1608)
R279
0(1608)
C221
K0.1u
C286
K0.1u
C287
K0.1u
R123 220(1W)
C200
K0.033u(1608)
C267
NC
( )
C116
K0.047u(1608)
DG
R117
150(1W)
C212 J100p
R236
180k
R292
10k
R290
22k
C281
K0.1u
C278
K0.1u
R203
100k
R228
100k
R227
100k
R224
82k
R207
82k
C222
Z0.1u(1608)
R217
0(1608)
R232
0(1608)
TP_RX
Q206
R295 47k
R293
33
R296
47k
DG
S5V
J104
R110
( )
NC
ALC
1:1E
+3.3V
R162 ( )
NC
PC105
NC
2
1
3
4
C106
NC
( )
DG
D204
D205
Q210
Q211
R216
0
C230
NC
( )
C237
2.2u/10V
R126
( )
NC
IC202
5
6
7
IC202
4
GND
8
VCC
R222
NC
( )
C251
NC
( )
C259
NC
( )
C234
NC
( )
Q208
( )
NC
C268
NC
( )
DG
Q204
( )
NC
B
C
E
P_SHORT
1:1E
C112
NC
( )
C111
NC
( )
C115
NC
( )
R112
NC
( )
R202
NC
( )
PC101
NC
1
2
3
4
R111
NC
( )
Q101
( )
NC
DG
S5V
R241
220(1608)
R256
22(1608)
R273
9.1k
C244
K0.033u(1608)
R223
4.3k
R204
68k
C216
K2200p
C256 K0.01u
C209 K0.01u
C241
K330p
C243
K330p
C282
K0.22u
IC201
3
2
1
C262
NC
( )
R244
NC
( )
IC201
4
GND
8
VCC
C218
16V/47u
R209
68k
L216
0
L215
0
T100
3
4
6
2
1
D104
( )
NC
R234
NC
(
)
C232
K0.1u (1608)
C223
K0.1u (1608)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
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 ...