K0.01
C363
C353
NC
( )
D209
( )
2
13
4
16V47
C360
( )
R298
NC
J215
J
( )
J219
NC
J220
J
D214
L206
1B252SD
L240
J
J221
NC
( )
Q205
( )
C370 NC
( )
R315
NC
( )
( )
C313
NC
( )
NC
R342
( )
L242
NC
L235
3A601S
+24VA
RY203
NC
6
7
5
CN204
2
HSSP+
1
HSMIC-
3
HSSP-
4
HSMIC+
C348
Z0.1
C342
( )
NC
( )
C362
NC
L203
1B252SD
R215
( )
NC
+24VA
J204
( )
NC
T202
NC
2
1
3
4
5
L239
3A601S
NC
C365
( )
PC202
NC
1
2
3
4
( )
L233
NC
L230
NC
( )
( )
FL224
1
2
3
RY202
3
5
4
NC
R324
( )
( )
R299
NC
( )
R297
NC
( )
L243
NC
( )
C352
NC
PS201
1
2
3
4
( )
C331
NC
IC209
3
2
1
F201
J
IC210
NC
1
GND
2
GAIN
3
RXIN
4
RXOUT
5
TXDET
6
TXIN
7
VC
8
VCC
Q214
( )
16V100
C228
C337
NC
( )
L247
J
C322
NC
( )
( )
L237
NC
R340
NC
( )
L202
1B252SD
( )
R328
NC
NC
R318
( )
+5VD
L231
J
Q208
( )
L246
J
C307
NC
( )
+5VD
R296
NC
( )
C350
K0.033
R307
NC
( )
R343
680
( )
FL218
1
2
3
R347
( )
NC
R320
( )
NC
SA202
1000V
( )
FL214
1
2
3
R281
NC
( )
NC
R321
( )
R310
NC
( )
Z0.1
C225
D208
R314
( )
NC
L245
J
C329
NC
( )
L248
J
+5VD
C325
NC
( )
NC
C317
( )
R332
10K
( )
C345
NC
D211
5.6V
C332
NC
( )
ZR201
NC
( )
( )
C324
NC
C334
NC
( )
R339
NC
( )
( )
C319
NC
( )
C315
NC
C349
NC
( )
( )
C320
NC
NC C336
( )
( )
C356
NC
22K
R225
R351
NC
( )
+12VA
R334
NC
( )
( )
L255
NC
PC205
7S102
1
23
4
L229
NC
( )
R303
NC
( )
Q210
NC
C347
( )
R311
NC
( )
( )
L249
NC
L238
3A601S
Q211
( )
35V100
C221
+5VA
SA201
PQVDDSS301LVT
( )
NC
R309
56K
R319
+5VA
( )
FL222
1
2
3
C369
NC
( )
1.5K
R345
L205
1B252SD
3
2
4
R300
NC
( )
J214
+5VD
R330
J
PO201
22
( )
L244
NC
R312
NC
( )
J202
R323
10K(0.5W)
J218
J
C328
NC
( )
R325
NC
( )
+5VA
( )
FL220
1
2
3
C316
NC
( )
NC
C366
( )
( )
C326
NC
+5VA
RY201
NC
3
5
4
( )
C368
NC
NC
C339
( )
( )
C361
NC
100
R316
CN203
1b
1
2
S(W)
3
b/B1
4
a/A1
5
E(G)
6a
1
K0.01
C357
RY202
2
1
( )
R348
NC
+5VD
R322
NC
( )
( )
L241
NC
( )
L232
NC
C333
NC
( )
+5VD
R344
( )
NC
PC204
1
23
4
R304
J
Z0.1
C234
R317
33K(0.5W)
Q207
( )
( )
FL215
1
2
3
1.5K
R338
( )
C318
NC
( )
R308
NC
R346
NC
( )
( )
R301
NC
C335
NC
( )
( )
C341
NC
C343
250V1.0
R326
NC
( )
+5VD
( )
L250
NC
IC208
1
VCC
2
DET
3
IN
4
GND
5
OUT
RY203
1
8
( )
ZR202
NC
NC
C344
( )
R294
NC
( )
CN205
1a
1
2
E(G)/A2
3
a/A1
4
b/B1
5
S(W)/B2
6b
1
NC
J217
( )
+24V
( )
FL219
1
2
3
J213
R335
56K
SW201
12
43
( )
FL202
1
2
3
C351
K0.033
IC209
NC
7
6
5
4
8
R327
3.3K
NC
C355
( )
( )
R306
NC
( )
L251
NC
Q206
( )
( )
C346
NC
( )
C358
NC
Q213
NC
C364
( )
50V1.0
C236
R329
10K
L234
NC
( )
K0.01
C354
R337
NC
( )
R295
NC
( )
FL221
NC
5
8
7
62
3
4
1
R290
NC
( )
C338
NC
( )
R313
( )
NC
R350
NC
( )
6.3V330
C211
C340
NC
( )
Z0.1
C218
( )
FL217
1
2
3
D213
J216
( )
NC
( )
R305
NC
D212
5.6V
Z0.1
C213
+5VA
2.2K
R231
R336
( )
NC
PC203
NC
1
2
3
4
+5VD
L236
3A601S
( )
C321
NC
C327
NC
( )
R333
330
+5VA
( )
Q212
Q201
2SD1921QTL2
16V10
C359
C330
NC
( )
22K
R224
VREF
R352
NC
( )
( )
FL223
1
2
3
C371
NC
( )
L259
NC
( )
R353
( )
NC
L220
J
L228
10K
L215
J
L227
J
L226
J
L224
J
L217
J
CN202
1
+24V
2
CID
3A
G
4
LINEIN
5
EX-HOOK
6
AGC
7
BREAK
8
TXA2
9
TXA1
10
SPMUTE
11
RLY
12
BELL
13
P-SHORT
14
ALC
15
ECLK
16
EDATA
17
ESTB
18
TONE1
19
MILAT
20
MICLK
21
MIDATA
22
DG
23
AG
24
+5VD
25
VOX
26
HOOK
27
SENCTL5
28
TNREMP
L216
J
L219
J
L218
J
+24V
+5VD
L225
J
( )
FL216
1
2
3
( )
J222
NC
( )
R354
NC
( )
J223
NC
( )
C373
NC
+5VD
( )
R355
NC
( )
J224
NC
( )
Q215
J308
( )
L260
NC
( )
R358
NC
( )
R357
NC
R356
150
( )
R359
NC
J230
J
( )
J226
NC
( )
L261
NC
L262
J
L263
J
( )
J225
NC
J229
J
( )
C375
NC
( )
C376
NC
( )
J228
NC
( )
J227
NC
R341
3.3K
R331
J
BREAK
MONITOR
SENCTL5
HOOK
RLY
TNREMP
EX-HOOK
P-SHORT
RLY
BREAK
EX-HOOK
ALC
P-SHORT
HOOK
ESTB
SPMUTE
MIDATA
EDATA
SENCTL5
TXA2
ECLK
MILAT
TONE1
BELL
VOX
AGC
TXA1
MICLK
TNREMP
CID
LINEIN
BELL
CID
(1)(2)
(3)(4)(5)
(6)
(7)
(8)(9)
(10)
(11)
(12)
KX-FLM551:
SCHEMA
TIC DIA
GRAM (ANALOG BO
ARD (PCB2))
Summary of Contents for KX-FLM551
Page 12: ...1 11 2 ITU T No 2 TEST CHART 12 ...
Page 13: ...1 12 LOCATION OF CONTROLS 1 12 1 OVERVIEW 13 ...
Page 49: ...CROSS REFERENCE HIGH VOLTAGE SECTION 2 3 4 4 DIRTY AND HALF DARKNESS BACKGROUND 49 ...
Page 50: ...CROSS REFERENCE HIGH VOLTAGE SECTION 2 3 4 5 BLACK PRINT 50 ...
Page 51: ...CROSS REFERENCE HIGH VOLTAGE SECTION 2 3 4 6 LIGHT PRINT 51 ...
Page 52: ...CROSS REFERENCE HIGH VOLTAGE SECTION 2 3 4 7 BLACK DENSITY IS LIGHT OR UNEVEN 52 ...
Page 53: ...CROSS REFERENCE HIGH VOLTAGE SECTION 2 3 4 8 BLANK PRINT 53 ...
Page 54: ...2 3 4 9 BLACK WHIT POINT 2 3 5 RECORDING PAPER FEED 2 3 5 1 MULTIPLE FEED 54 ...
Page 55: ...2 3 5 2 THE PRINTING PAPER IS WAVED OR WRINKLED 55 ...
Page 56: ...56 ...
Page 57: ...2 3 5 3 SKEW 57 ...
Page 58: ...58 ...
Page 60: ...CROSS REFERENCE SENSOR SECTION MOTOR SECTION 2 3 6 2 DOCUMENT JAM 60 ...
Page 62: ...2 3 6 4 SKEW 62 ...
Page 63: ...2 3 6 5 THE SENT FAX DATA IS SKEWED 63 ...
Page 65: ...2 3 6 8 BLACK OR WHITE VERTICAL LINE 65 ...
Page 66: ...2 3 6 9 AN ABNORMAL IMAGE IS COPIED 66 ...
Page 79: ...79 ...
Page 80: ...CROSS REFERENCE TEST FUNCTIONS 80 ...
Page 81: ...CROSS REFERENCE TEST FUNCTIONS 81 ...
Page 82: ...CROSS REFERENCE TEST FUNCTIONS 82 ...
Page 83: ...CROSS REFERENCE TEST FUNCTIONS 83 ...
Page 84: ...84 ...
Page 85: ...85 ...
Page 86: ...86 ...
Page 95: ...CROSS REFERENCE CHECK THE STATUS OF THE DIGITAL BOARD 2 3 8 2 NG EXAMPLE 95 ...
Page 96: ...2 3 8 3 CHECK THE STATUS OF THE DIGITAL BOARD 96 ...
Page 103: ...2 3 9 7 LSU SECTION 103 ...
Page 104: ...CROSS REFERENCE LSU Laser Scanning Unit SECTION 2 3 10 CIS contact Image Sensor SECTION 104 ...
Page 105: ...2 3 11 HIGH VOLTAGE SECTION 105 ...
Page 106: ...106 ...
Page 107: ...107 ...
Page 108: ...108 ...
Page 109: ...109 ...
Page 112: ...112 ...
Page 113: ...113 ...
Page 126: ...126 ...
Page 137: ...2 8 2 Scan 137 ...
Page 139: ...4 2 HOW TO REMOVE THE OPERATION PANEL BLOCK 139 ...
Page 140: ...4 3 HOW TO REMOVE THE OPERATION BOARD 140 ...
Page 141: ...4 4 HOW TO REMOVE THE TRANSFER ROLLER AND IMAGE SENSOR 141 ...
Page 143: ...4 7 HOW TO REMOVE THE AC INLET AND LOW VOLTAGE POWER SUPPLY BOARD 143 ...
Page 144: ...4 8 HOW TO REMOVE THE DIGITAL BOARD AND MOTOR DRIVE BOARD 144 ...
Page 145: ...4 9 HOW TO REMOVE THE BACK COVER SECTION 145 ...
Page 146: ...4 10 HOW TO REMOVE THE FUSER UNIT AND HANDSET CRADLE 146 ...
Page 148: ...4 13 HOW TO REMOVE THE HEAT ROLLER AND EXIT ROLLER 148 ...
Page 149: ...4 14 HOW TO REMOVE THE PRESSURE ROLLER 149 ...
Page 150: ...4 15 HOW TO REMOVE THE MOTOR BLOCK 150 ...
Page 151: ...151 ...
Page 152: ...152 ...
Page 153: ...4 16 INSTALLATION POSITION OF THE LEAD 153 ...
Page 154: ...154 ...
Page 155: ...155 ...
Page 156: ...156 ...
Page 166: ...6 8 TIMING CHART When Printing Two Sheets of Paper 166 ...
Page 172: ...6 14 Timing Chart Initializing Short 172 ...
Page 174: ...7 CIRCUIT OPERATIONS 7 1 CONNECTION DIAGRAM 7 1 1 CONNECTION DIAGRAM 1 174 ...
Page 175: ...7 1 2 CONNECTION DIAGRAM 2 175 ...
Page 176: ...7 1 3 POWER SUPPLY FLOW 176 ...
Page 181: ...7 3 2 1 ASIC IC604 PIN LAYOUT 181 ...
Page 182: ...7 3 2 2 EXPLANATION OF PIN DISTRIBUTION 7 3 2 2 1 IC604 182 ...
Page 217: ...217 ...
Page 218: ...7 9 SENSORS AND SWITCHES SECTION All of the sensor and switches are shown below 218 ...
Page 241: ...9 FIXTURES AND TOOLS 241 ...
Page 242: ...10 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 10 1 GENERAL SECTON 242 ...
Page 243: ...10 2 OPERATION PANEL SECTION 10 2 1 OPERATION PANEL BLOCK 1 243 ...
Page 244: ...10 2 2 OPERATION PANEL BLOCK 2 244 ...
Page 245: ...245 ...
Page 246: ...10 3 CABINET P C B BLOCK 246 ...
Page 247: ...10 4 PICK UP BLOCK 247 ...
Page 248: ...10 5 CABINET BLOCK 248 ...
Page 249: ...10 6 FUSER BLOCK 249 ...
Page 250: ...10 7 MAIN FRAME BLOCK 250 ...
Page 251: ...251 ...
Page 252: ...10 8 MOTOR BLOCK 10 9 ACTUAL SIZE OF SCREWS AND WASHER 252 ...
Page 253: ...11 ACCESSORIES AND PACKING MATERIALS 253 ...
Page 254: ...254 ...
Page 283: ...16 7 SENSOR BOARD PCB7 16 8 VARISTOR BOARD PCB8 HI Q KXFLM551 Printed in Japan 283 ...
Page 292: ...PCB CH J61 J60 ZNR60 01 06 25 PFUP1257ZA D COMPONENT VIEW BOTTOM VIEW ...
Page 312: ...CN51 1 TEMP 2 GND 3 VIN 4 SIG 5 VOUT PS50 1 2 3 4 NC C50 CN50 1 THERM 2 NC 3 GND ...
Page 313: ...ZNR60 271 ...