KX-FLB883RU - Panasonic Fax Service Manual (repair manual). Page 2

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2
KX-FLB883RU
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------4
1.1. For Service Technicians ----------------------------------4
1.2. AC Caution---------------------------------------------------4
1.3. Personal Safety Precautions ----------------------------5
1.4. Service Precautions ---------------------------------------5
2 Warning --------------------------------------------------------------6
2.1. About Lead Free Solder (PbF: Pb free) --------------6
2.2. Discarding of P. C. Board --------------------------------6
2.3. Insulation Resistance Test -------------------------------7
2.4. Battery Caution ---------------------------------------------7
2.5. LASER BEAM AND FUSER UNIT SECTION ------7
3 Specifications ------------------------------------------------------8
4 General/Introduction 
---------------------------------------------9
4.1. Optional Accessories--------------------------------------9
4.2. Translation Lists --------------------------------------------9
5 Features ------------------------------------------------------------ 11
5.1. General Features----------------------------------------- 11
5.2. Hardware Requirements for Multi-Function
Software ---------------------------------------------------- 11
6 Technical Descriptions---------------------------------------- 12
6.1. Connection Diagram------------------------------------- 12
6.2. General Block Diagram--------------------------------- 13
6.3. Main Board Section-------------------------------------- 15
6.4. NCU Section----------------------------------------------- 29
6.5. ITS (Integrated telephone System) and
Monitor Section ------------------------------------------- 30
6.6. CIS Control Section-------------------------------------- 31
6.7. Motor Drive Section-------------------------------------- 32
6.8. Timing Chart and Wave Form of Scanner
Motors------------------------------------------------------- 36
6.9. FAN Motor Section--------------------------------------- 39
6.10. Solenoid Driver Section -------------------------------- 41
6.11. LSU (Laser Scanning Unit) Section ----------------- 42
6.12. Sensors and Switches Section ----------------------- 44
6.13. Operation Board Section ------------------------------- 54
6.14. LCD Section ----------------------------------------------- 55
6.15. HVPS (High Voltage Power Supply) Section------ 56
6.16. Heat Lamp Control Circuit ----------------------------- 58
6.17. Main Board Section-------------------------------------- 64
6.18. Power Supply Board Section-------------------------- 69
6.19. Mechanical Operation----------------------------------- 70
7 Location of Controls and Components------------------ 72
7.1. Overview --------------------------------------------------- 72
7.2. Control Panel---------------------------------------------- 73
8 Installation Instructions--------------------------------------- 74
8.1. Installation-------------------------------------------------- 74
8.2. Connections ----------------------------------------------- 87
9 Operating Instructions ---------------------------------------- 88
9.1.  Your Logo ------------------------------------------------- 88
10 Test Mode---------------------------------------------------------- 90
10.1. Test Functions--------------------------------------------- 90
11 Service Mode ----------------------------------------------------- 94
11.1. Programming and Lists --------------------------------- 94
11.2. User Mode (The list below is an example of
the SYSTEM SETUP LIST the unit prints out.---- 98
11.3. Service Mode Settings (Example of a printed
out list) ---------------------------------------------------- 100
11.4. History (Example of a printed out list)------------- 101
12 Troubleshooting Guide --------------------------------------104
12.1. User Recoverable Errors -----------------------------104
12.2. Remote Programming ---------------------------------106
12.3. Troubleshooting Details ------------------------------- 110
12.4. Document Jams (Auto Document Feeder)-------193
12.5. Recording Paper Jam ---------------------------------195
13 Service Fixture & Tools--------------------------------------200
14 Disassembly and Assembly Instructions 
-------------201
14.1. Lower Cabinet Section --------------------------------202
14.2. Top Cover Section--------------------------------------203
14.3. Sorter Section -------------------------------------------204
14.4. Remove the Left Side Cabinet Section (1) -------205
14.5. Remove the Right Side Cabinet Section ---------206
14.6. Remove the Bottom Plate ----------------------------207
14.7. Remove the Left Side Cabinet Section (2) -------208
14.8. Remove the Bottom Cabinet Section-------------- 209
14.9. Remove the Main Board ------------------------------210
14.10. Remove the Mirror-------------------------------------- 211
14.11. Remove the High Voltage Power Board ----------212
14.12. Remove the Laser Unit--------------------------------213
14.13. Remove the Pick Up Roller  -------------------------214
14.14. Remove the Fuser Unit and the Sorter Unit -----215
14.15. Remove the Fuser Unit Parts------------------------216
14.16. Remove the Top Cover Section---------------------217
14.17. Remove the Operation Panel and Board ---------218
14.18. Remove the Scanner Glass Cover-----------------219
14.19. Remove the Scanner Section -----------------------220
14.20. Remove the Multi Roller  -----------------------------221
14.21. Remove the Transfer Roller Unit -------------------222
14.22. Remove the Eject Support Roller Guide
Holder -----------------------------------------------------223
14.23. Remove the Main Gear Unit -------------------------224
14.24. Remove the ADF Top Cover-------------------------225
14.25. Remove the ADF Unit ---------------------------------227
14.26. Remove the ADF Parts--------------------------------228
14.27. Remove the Sorter Unit Parts -----------------------229
14.28. Installation Position of The Lead--------------------231
15 Maintenance-----------------------------------------------------235
15.1. Maintenance Items and Component Locations -235
15.2. Maintenance ---------------------------------------------237
15.3. Printing Operation Principle--------------------------244
15.4. Terminal Guide of The ICs Transistors and
Diodes -----------------------------------------------------249
15.5. How to Replace the Flat Package IC -------------- 251
15.6. Main Board Section ------------------------------------253
15.7. Test Chart-------------------------------------------------255
16 Schematic Diagram -------------------------------------------257
16.1. For Schematic Diagram------------------------------- 257
16.2. Main Board (1)-------------------------------------------258
16.3. Main Board (2)-------------------------------------------262
16.4. Main Board (3)-------------------------------------------264
16.5. Main Board (4)-------------------------------------------266
16.6. Main Board (5)-------------------------------------------268
16.7. Operation Board ----------------------------------------270
16.8. Sensor Board --------------------------------------------271
16.9. Relay Board----------------------------------------------272
16.10. Hook Switch Board-------------------------------------273
17 Printed Circuit Board-----------------------------------------275
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