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Panasonic KX MC6020 Service Manual - Page 393

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5 ASIC BLOCK A +3.3V PCICKOUT NPCIRST NPCIINT NPCIREQ0 NPCIGNT0 1:4D 1:4D 1:4D 1:4D 1:4D B NPCICBE[0-3] 1:4D NPCICBE[0] NPCICBE[1] NPCICBE[2] NPCICBE[3] +3.3V NPCIFRM NPCIRDY NPCITRDY NPCISTP PCIPAR NPCIDSEL NPCIPERR NPCISERRZ 1:4D 1:4D 1:4E 1:4D 1:4E 1:4D 1:4D 1:4E C R643 47k R644 47k R645 47k R647 47k R649 47k R651 47k R653 47k R655 47k R661 47k R646 47k R648 47k R650 47k R652 47k R654 47k R656 4.7k R657 47k R658 47k R659 47k R660 47k 6 +3.3V PCIAD[14] 7 PCI I/F ASIC(PCI I/F Block) IC600 R671 R672 R673 R674 R675 R676 R677 R678 R679 150 100 100 100 100 U13 Y13 Y16 V13 V14 PCICLK NPCIRST NPCIINTA NPCIREQ NPCIGNT Y14 NPCIEXTREQ 100 100 100 100 W16 U14 W15 V15 W14 NPCIEXTGNT NPCICBE0 NPCICBE1 NPCICBE2 NPCICBE3 +3.3V R662 R663 R664 R665 R666 R667 R668 R669 R670 100 U12 NPCIFRM 100 Y12 NPCIIRDY 100 Y15 NPCITRDY 100 V11 NPCISTP 100 V12 NPCIPAR 100 Y11 NPCIDEVSEL 1k W13 PCIIDSEL 100 W11 NPCIPERR 100 W12 NPCISERR EXTPCTINT U4 EXTPCIINT PCIAD31 Y10 RA615 1 PCIAD30 U11 2 PCIAD29 W10 3 PCIAD28 PCIAD27 W9 V10 RA616 4 1 PCIAD26 U10 2 PCIAD25 V9 3 PCIAD24 PCIAD23 Y8 Y9 RA617 4 1 PCIAD22 U9 2 PCIAD21 V8 3 PCIAD20 PCIAD19 Y7 W8 RA618 4 1 PCIAD18 U8 2 PCIAD17 PCIAD16 PCIAD15 W7 W5 Y6 RA619 3 4 1 PCIAD14 Y5 2 PCIAD13 V7 3 PCIAD12 PCIAD11 W6 U7 RA620 4 1 PCIAD10 W4 2 PCIAD9 Y4 3 PCIAD8 PCIAD7 Y3 V5 RA621 4 1 PCIAD6 U6 2 PCIAD5 V6 3 PCIAD4 PCIAD3 V3 Y1 RA622 4 1 PCIAD2 W3 2 PCIAD1 V4 3 PCIAD0 U5 4 8 100 7 6 5 8 100 7 6 5 8 100 7 6 5 8 100 7 6 5 8 100 7 6 5 8 100 7 6 5 8 100 7 6 5 8 100 7 6 5 PCIAD[31] 1 PCIAD[30] 2 PCIAD[29] 3 PCIAD[28] 4 PCIAD[27] 1 PCIAD[26] 2 PCIAD[25] 3 PCIAD[24] 4 PCIAD[23] 1 PCIAD[22] 2 PCIAD[21] 3 PCIAD[20] 4 PCIAD[19] 1 PCIAD[18] 2 PCIAD[17] 3 PCIAD[16] 4 PCIAD[15] 1 PCIAD[14] 2 PCIAD[13] 3 PCIAD[12] 4 PCIAD[11] 1 PCIAD[10] 2 PCIAD[9] 3 PCIAD[8] 4 PCIAD[7] 1 PCIAD[6] 2 PCIAD[5] 3 PCIAD[4] 4 PCIAD[3] 1 PCIAD[2] 2 PCIAD[1] 3 PCIAD[0] 4 +3.3V KX-MC6020HX 8 2/2 6 -2 PCIAD[31] PCIAD[30] PCIAD[29] PCIAD[28] PCIAD[27] PCIAD[26] PCIAD[25] PCIAD[24] PCIAD[23] PCIAD[22] PCIAD[21] PCIAD[20] PCIAD[19] PCIAD[18] PCIAD[17] PCIAD[16] PCIAD[15] PCIAD[14] PCIAD[13] PCIAD[12] PCIAD[11] PCIAD[10] PCIAD[9] PCIAD[8] PCIAD[7] PCIAD[6] PCIAD[5] PCIAD[4] PCIAD[3] PCIAD[2] PCIAD[1] PCIAD[0] 1:4F PCIAD[0-31] 8 7 47k 6 RA607 5 8 7 47k 6 RA608 5 8 7 47k 6 RA609 5 8 7 47k 6 RA610 5 8 7 47k 6 RA611 5 8 7 47k 6 RA612 5 8 7 47k 6 RA613 5 8 7 47k 6 RA614 5 D (1) E +3.3V R635 10k R636 10k R637 10k R638 10k R639 10k R640 10k R641 10k R642 10k (2) (3) (4) (5) (6) (8)(7) F (9) POWER/GND +1.5V ASIC(Power Block) IC600 C611 C612 C613 C614 C615 C616 C617 C618 C619 C620 C621 C622 C623 C624 C625 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n GND +3.3V C626 C627 C628 C629 C630 C631 C632 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n GND C633 C634 C635 C636 C637 C638 C639 C640 +2.5V 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n 16V 100n A5 VDD15_1 C2 VDD15_2 E5 VDD15_3 E9 VDD15_4 E12 VDD15_5 E16 VDD15_6 J5 VDD15_7 J16 VDD15_8 M3 VDD15_9 M5 VDD15_10 M16 VDD15_11 T5 VDD15_12 T10 VDD15_13 T11 VDD15_14 T16 VDD15_15 B5 VDD33_1 E7 VDD33_2 E14 VDD33_3 G16 VDD33_4 P16 VDD33_5 T7 VDD33_6 T14 VDD33_7 F2 VDDQ_1 F4 VDDQ_2 G5 VDDQ_3 H2 VDDQ_4 L5 VDDQ_5 P2 VDDQ_6 P5 VDDQ_7 R4 VDDQ_8 GND GND_1 GND_2 B20 C7 GND_3 GND_4 GND_5 GND_6 GND_7 GND_8 GND_9 GND_10 GND_11 GND_12 GND_13 D8 D15 E6 E8 E13 E15 F5 F16 H5 H16 J9 GND_14 GND_15 GND_16 GND_17 GND_18 GND_19 GND_20 GND_21 GND_22 GND_23 J10 J11 J12 K9 K10 K11 K12 L2 L9 L10 GND_24 L11 GND_25 GND_26 GND_27 GND_28 GND_29 GND_30 GND_31 GND_32 GND_33 GND_34 L12 L17 M9 M10 M11 M12 N5 N16 R5 R16 GND_35 GND_36 GND_37 GND_38 GND_39 GND_40 T6 T8 T9 T12 T13 T15 GND KX-MC6020HX SCHEMATIC DIAGRAM (MAIN BOARD No.6) (2/2) 393

Section	Page
ORDER NO. KMF0811207CE	1
1 Safety Precautions	3
1.1. For Service Technicians	3
1.2. AC Caution	3
1.3. Personal Safety Precautions	4
1.3.1. Moving Sections of The Unit	4
1.3.2. Live Electrical Sections	4
1.4. Service Precautions	5
1.4.1. Precautions to Prevent Damage From Static Electricity	5
2 Warning	5
2.1. About Lead Free Solder (PbF: Pb free)	5
2.1.1. Suggested PBF Solder	5
2.2. Discarding of P. C. Board	6
2.3. Insulation Resistance Test	6
2.4. Battery Caution	6
2.4.1. Information for Users on Collection and Disposal of Old Equipment and used Batteries	6
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
4.2.1. Help Function	9
4.2.2. Error Message (Report)	10
4.2.2.1. CZECH	10
4.2.2.2. SLOVAK	10
4.2.2.3. HUNGARIAN	10
4.2.3. Error Message (Display)	11
4.2.3.1. CZECH	11
4.2.3.2. SLOVAK	13
4.2.3.3. HUNGARIAN	15
4.3. Precautions for Shipping	17
4.3.1. Necessary Items and Procedures for Each Service Type	17
4.3.2. Repack Procedure	20
5 Features	30
5.1. General Features	30
5.2. Hardware Requirements for Multi-Function Software	30
6.1. Connection Diagram	31
6.2. General Block Diagram	32
6.3. Main Board Section	35
6.3.1. Data Flow	35
6.3.2. RTC Backup Circuit	51
6.3.3. Modem Circuit Operation	51
6.3.4. TEL Line Section	52
6.3.4.1. Description of Block Diagram in Analog Section	52
6.3.4.2. Block Diagram	52
6.4. NCU Section	53
6.4.1. General	53
6.4.2. EXT. TEL. Line Relay (RY100)	53
6.4.3. BELL Detection Circuit	53
6.4.4. Calling Line Identification Circuit	53
6.4.5. Remote FAX Activation Circuit	53
6.4.6. TAM Interface Circuit	53
6.5. ITS (Integrated Telephone System) and Monitor Section	54
6.5.1. General	54
6.5.1.1. Telephone Monitor	54
6.5.1.2. Handset Circuit	54
6.5.1.3. Monitor Circuit	54
6.5.1.4. TAM Interface Section	54
6.6. CIS Control Section	55
6.7. Motor Drive Section	56
6.7.1. Engine Motor Control Circuit	56
6.7.1.1. BK Motor Control Circuit	56
6.7.1.2. Color Motor Control Circuit	57
6.7.2. Scanner Motor Drive Circuit	59
6.7.2.1. Motor Current Control Circuit	59
6.7.2.2. FB (FLATBED) Motor Drive Circuit	60
6.7.2.3. ADF (AUTOMATIC DOCUMENT FEEDER) Motor Drive Circuit	60
6.7.3. ADU (Automatic Duplex Unit (Option)) Motor Drive Circuit	61
6.7.3.1. Motor Current Control Circuit	61
6.7.3.2. ADU (Automatic Duplex Unit (Option)) Motor Drive Circuit	62
6.7.4. Optional Lower Input Tray Motor (OPF Motor) Drive Circuit	63
6.7.4.1. Motor Current Control Circuit	63
6.7.4.2. Optional Lower Input Tray Motor (OPF Motor) Drive Circuit	64
6.8. Timing Chart and Waveform of Scanner Motors	65
6.8.1. Normal 1-2 Phase Excitation (Half Step)	65
6.8.2. Flat Torque 1-2 Phase Excitation (Half Step)	66
6.8.3. W 1-2 Phase Excitation (Quarter Step)	67
6.8.4. Drive Mode of FB and ADF Motor	68
6.9. Timing Chart and Waveform of Optional Unit Motors	69
6.9.1. Normal 1-2 Phase Excitation (Half Step)	69
6.10. Fan Section	70
6.10.1. Fuser Fan	70
6.10.2. PSU Fan	71
6.11. Solenoid Driver Section	72
6.12. LSU (Laser Scanning Unit) Section	73
6.12.1. LSU (Laser Scanning Unit) Layout	73
6.12.2. Circuit Diagram	74
6.12.2.1. Block Diagram	74
6.12.2.2. Circuit Diagram	75
6.12.3. Timing Diagram	76
6.13. Sensors and Switches Section	78
6.13.1. OPC Home Sensor	79
6.13.2. FTR Home Sensor	80
6.13.3. Registration and Paper Pick Home Sensor	80
6.13.4. Registration and Paper (Paper Sensor)	81
6.13.5. Registration and Paper (Resistration Sensor)	81
6.13.6. Registration and Paper Cassette Sensor	82
6.13.7. Fuser Jam Sensor	82
6.13.8. CIS Home Sensor	83
6.13.9. ADF Document Sensor	83
6.13.10. ADF Read Position Sensor	84
6.13.11. Waste Toner Sensor	84
6.13.12. Toner Sensor	86
6.13.13. Drum Cartridge Virgin Sensor	89
6.13.14. Waste Toner Bottle Switch	90
6.13.15. Front/left Cover Switch	90
6.13.16. 24V Interlock Switch	90
6.13.17. 5V Interlock Switch	91
6.13.18. Handset Hook Switch	91
6.13.19. Color Registration Detection Circuit	92
6.13.20. Humidity/Temperature Sensor Circuits	95
6.13.20.1. Temperature Sensor (Characteristics of Temperature Detection Thermistor)	96
6.13.20.2. Humidity Sensor (Characteristics of Humidity Detection Thermistor)	97
6.13.21. Optional OPF Paper Sensor	98
6.13.22. Optional OPF Jam Sensor	98
6.13.23. Optional OPF Cassette Sensor	99
6.13.24. Optional OPF Cover Switch	100
6.13.25. Optional ADU Jam Sensor	100
6.13.26. Optional ADU Cover Switch	100
6.14. Operation Board Section	101
6.15. LCD Section	102
6.16. Heat Lamp Control Circuit	103
6.17. HVU (High Voltage Power Supply Board) Section	107
6.17.1. High Voltage Circuit	107
6.17.2. Charge Control Circuit	107
6.17.3. Development Bias Control Circuit	108
6.17.4. Toner Supply Bias Control Circuit	108
6.17.5. First Transfer Control Circuit ( FTR )	108
6.17.6. Second Transfer Control Circuit (STR)	109
6.17.7. Reverse Bias Control Circuit	109
6.17.8. Charger Error Detecting Circuit	109
6.17.9. D/A Convertor (8bit, 12ch) Interface Circuit	110
6.17.10. Interface	111
6.18. Main Board Section	112
6.18.1. Main Unit Power Supply Circuit Block Diagram	112
6.18.2. DC-DC Power Supply Circuit (3.3V / 2.5V / 1.5V / 1.2V)	113
6.18.3. Regulator Circuit (5V)	115
6.18.4. Regulator Circuit (1.25V)	115
6.18.5. Reset Circuit	115
6.19. PSU (Low Voltage Power Supply Board) Section	116
6.20. Mechanical Operation	117
6.20.1. Color Motor Rotation Travel	117
6.20.1.1. Color Motor Rotation Travel for Driving 3 Color (CMY) Drum Cartridges	118
6.20.1.2. Color Motor Rotation Travel for Driving 3 Color (CMY) Toner Cartridges	119
6.20.2. BK Motor Rotation Travel	120
6.20.3. BK Motor Rotation Travel for Driving Black Drum Cartridge	121
6.20.3.1. BK Motor Rotation Travel for Driving Accumulator Unit and Black Toner Cartridge	122
6.20.3.2. BK Motor Rotation Travel for Driving Fuser Unit	123
6.20.3.3. BK Motor Rotation Travel for Driving Waste Toner Cartridge	124
6.20.3.4. BK Motor Rotation Travel for Driving Accumulator Unit	125
6.20.4. Print Process	126
6.20.4.1. Charging	127
6.20.4.2. Laser Exposure and Scanning	127
6.20.4.2.1. Laser Exposure	127
6.20.4.2.2. Laser Scanning	128
6.20.4.3. Developing	128
6.20.4.4. Toner Transfer to the Accumulator Belt	129
6.20.4.5. Paper Pickup	129
6.20.4.6. Toner Transfer to Paper	130
6.20.4.7. Fusing	131
6.20.4.8. Paper Exit and Paper Switchback	132
6.20.4.8.1. Normal Printing Mode (Not Duplex Printing Mode)	132
6.20.4.8.2. Duplex Printing Mode (Paper Switchback)	133
7 Location of Controls and Components	134
7.1. Overview	134
7.1.1. Front view	134
7.1.2. Rear view	134
7.2. Control Panel	135
8 Installation Instructions	136
8.1. Installation	136
8.1.1. Toner Cartridge and Drum Cartridge	136
8.1.1.1. When to replace the toner cartridge and the drum cartridge	141
8.1.2. Recording Paper	142
8.1.2.1. Using the paper input tray	142
8.1.3. Handset Unit	144
8.1.4. Documents The Unit Can Send	147
8.1.4.1. Using the Scanner Glass	147
8.1.4.2. Using the automatic document feeder	147
8.1.5. Connecting to a computer	148
8.1.6. Installing Multi-Function Station on a computer	148
8.2. Connections	150
9 Operating Instructions	152
9.1. YOUR LOGO	152
9.1.1. To Select Characters with The Dial Keypad	153
9.1.2. To Select Characters Using [] OR []	153
10 Test Mode	154
10.1. Test Functions	154
10.1.1. DTMF Single Tone Transmit Selection	156
10.1.2. Button Code Table	156
11 Service Mode	157
11.1. Programming and Lists	157
11.1.1. Operation	157
11.1.2. Operation Flow	157
11.1.3. Specifications	158
11.1.3.1. Service Mode #884: History	158
11.1.3.2. Service Mode #852: Color Printing Test	159
11.1.4. Service Function Table	159
11.1.5. Memory Clear Specification	162
11.2. User Mode (The list below is an example of the SYSTEM SETUP LIST the unit prints out.)	163
11.3. Service Mode Settings (Example of a printed out list)	165
11.4. History	166
11.4.1. Description of The History Report	167
12 Troubleshooting Guide	168
12.1. User Recoverable Errors	168
12.2. User Recoverable Network Errors	171
12.3. Remote Programming	174
12.3.1. Entering The Remote Programming Mode and Changing Service Codes	175
12.3.2. Program Mode Table	176
12.3.2.1. User Function	176
12.3.2.2. Service Function	178
12.4. Troubleshooting Details	180
12.4.1. Outline	180
12.4.2. Starting Troubleshooting	180
12.4.3. Initialization	181
12.4.4. Simple Check List	182
12.4.5. Simplified Troubleshooting Guide	183
12.4.5.1. Printing	183
12.4.5.2. Jam	184
12.4.6. Call Service Troubleshooting Guide	186
12.4.6.1. CALL SERVICE 1	188
12.4.6.2. CALL SERVICE 2	189
12.4.6.3. CALL SERVICE 3	190
12.4.6.4. CALL SERVICE 4	191
12.4.6.5. CALL SERVICE 5	192
12.4.6.6. CALL SERVICE 6	193
12.4.6.7. CALL SERVICE 11	194
12.4.6.8. CALL SERVICE 12	195
12.4.6.9. CALL SERVICE 13	196
12.4.6.10. CALL SERVICE 14	197
12.4.6.11. CALL SERVICE 15	198
12.4.6.12. CALL SERVICE 16	199
12.4.6.13. CALL SERVICE 17	200
12.4.6.14. CALL SERVICE 18	201
12.4.6.15. CALL SERVICE 19	202
12.4.6.16. CALL SERVICE 20	203
12.4.7. Print Quality	204
12.4.7.1. Blank Print	204
12.4.7.2. All-black Print	205
12.4.7.3. Missing Primary Color	206
12.4.7.4. Light Print	207
12.4.7.5. Repeated Spots or Lines on Print in-line with Each Other	208
12.4.7.6. Dark Vertical Line in Print	209
12.4.7.7. White Horizontal Line or Band in all the Color of a Print	210
12.4.7.8. Mis-transfer, Missing Portions of Toner	211
12.4.7.9. Dirty Background	212
12.4.7.10. Partial Primary Color Dots	213
12.4.7.11. Dark Irregular Streaks in Print	213
12.4.7.12. Primary Color Irregular Streaks	214
12.4.7.13. Ghosting	214
12.4.7.14. Unfused or Partially Fused Printing	215
12.4.7.15. Image is Skewed on the Paper	216
12.4.7.16. Stains on Back of Print	217
12.4.7.17. No Printing on Edge of Print	218
12.4.7.18. Image is not Centered on the Print When it Should Be	219
12.4.8. Jam	220
12.4.8.1. Print Media Problem	220
12.4.8.2. Print Media Skew	221
12.4.8.3. Paper Jam at the Input Tray	222
12.4.8.4. Paper Jams at the Registration Roller	223
12.4.8.5. Paper Jams at the 2nd Transfer Roller	224
12.4.8.6. Paper Jams at the Fuser Unit	225
12.4.8.7. Paper Jam at the Exit Roller	226
12.4.8.8. Wrong Paper Length Jams	227
12.4.8.9. Paper Jams at the Optional Input Tray	228
12.4.8.10. Paper Jam at Optional Automatic Duplex Unit (ADU)	229
12.4.9. Communication Section	230
12.4.9.1. Defective Facsimile Section	231
12.4.9.1.1. Transmit Problem	231
12.4.9.1.2. Sometime There is a Transmit Problem	232
12.4.9.1.3. Receive Problem	233
12.4.9.1.4. The Unit Can Copy, but Cannot Transmit/Receive	234
12.4.10. Special Service Journal Reports	235
12.4.10.1. Journal 2	236
12.4.10.2. Journal 3	237
12.4.10.3. Printout Example	237
12.4.10.4. How to Output the Journal Report	238
12.4.11. Initializing Error	247
12.4.12. Analog Section	248
12.4.12.1. Check Sheet	248
12.4.12.2. Defective ITS (Integrated Telephone System) Section	249
12.4.12.3. Defective TAM Interface Section	250
12.4.13. Operation Panel Section	251
12.4.14. Sensor Section	252
12.4.15. Motor Section	262
12.4.15.1. BK Motor	262
12.4.15.2. Color Motor	263
12.4.15.3. FB (Flatbed) Motor	264
12.4.15.4. ADF Motor (ADF provided model only)	265
12.4.15.5. ADU (Automatic Duplex Unit (Option)) Motor	266
12.4.15.6. Optional Lower Input Tray (OPF Motor)	267
12.4.16. LSU Section	268
12.4.17. CIS Control Section	269
12.4.18. High Voltage Value Check point	271
12.4.19. High Voltage Section	275
12.4.20. USB Section	284
12.4.21. LAN Section	288
12.4.22. Main Board Section	293
12.4.23. PSU (Low Voltage Power Supply Board) Section	296
12.4.23.1. Key Components for Troubleshooting	296
12.4.23.2. Troubleshooting Flow Chart	297
12.4.23.3. Broken Parts Repair Details	299
12.5. Recording Paper Jam	300
12.5.1. When the recording paper has jammed inside of the unit	301
12.5.2. When the recording paper has jammed near the optional input tray	305
12.5.3. When the recording paper is not fed into the unit properly	306
12.6. Document Jams (Automatic Document Feeder)	306
13 Service Fixture & Tools	309
14 Disassembly and Assembly Instructions	310
14.1. First of All	310
14.2. Flow Chart for Disassembly	314
14.2.1. ADF Cover Section	314
14.2.2. FB Unit, ADF Unit and LSU Unit Section	314
14.2.3. Rear Section	315
14.2.4. Accumulator Unit	315
14.2.5. Fuser Section	316
14.3. Disassembly for Main Parts	316
14.3.1. Remove ADF Section (1)	316
14.3.2. Remove ADF Section (2)	317
14.3.3. Remove ADF Section (3)	317
14.3.4. Remove ADF Section (4)	318
14.3.5. Remove Rear Cover	319
14.3.6. Remove Left Cover	319
14.3.7. Remove FB Unit and ADF Unit	320
14.3.8. Remove FB Unit Section	321
14.3.9. Remove FB Inner Section (1)	322
14.3.10. Remove FB Inner Section (2)	322
14.3.11. Remove Toner Sensor Board and Main Drive Unit	323
14.3.12. Remove PSU Shield Cover	324
14.3.13. Remove Front Cover	324
14.3.14. Remove Fuser Unit	325
14.3.15. Remove WTF Sensor Board and Registration and Paper Unit	326
14.3.16. Open Drum Cartridge Cover	326
14.3.17. Remove Accumulator unit	327
14.3.18. Remove DC Motor	327
14.3.19. Remove FTR Home Sensor Board Section	328
14.3.20. Remove Top Cover	328
14.3.21. Remove LSU Unit	329
14.3.22. Remove Right Cover	329
14.3.23. Remove Main Board	330
14.3.24. Remove High Voltage Power Supply Board	330
14.3.25. Remove Color Registration Sensor Board Ass'y	331
14.3.26. Remove Fan Section	331
14.3.27. Remove Low Voltage Power Supply Board	332
14.4. Disassembly for Main Drive Unit	333
14.4.1. Main Drive Unit Disassembly	333
14.4.1.1. Main Drive Motors [No.D1] (Procedure No. D1)	334
14.4.1.2. Fuser Idle Gear [No.D2] (Procedure No. D2)	334
14.4.1.3. Drive Unit Bracket (S), PC Idle Gears, Accumulator Idle Gears and Joint Gear [No.D3] (Procedure No. D3)	335
14.4.1.4. CMY Home Lever, PC Home Lever, OPC Cam Home Position Sensor Board, OPC Gear and Dev.Gear [No.D4] (Procedure No. D3 -> No. D4)	337
14.4.1.5. Waste Toner Box Coupling and Coupling Idle Gear [No.D5] (Procedure No. D-3 -> No. D5)	338
14.4.1.6. Accumulator Drive Cam and Accumulator Cam Idle Gear [No.D6] (Procedure No. D3 -> No. D6)	338
14.4.1.7. Drive Unit Bracket (M) and 6 Gears [No.D7] (Procedure No. D3 -> No. D7)	339
14.4.1.8. Drive Unit Bracket (L) [No.D8] (Procedure No. D3 -> No. D7 -> D8)	340
14.4.1.9. Accumulator Joint Pulley Gear, Feed Pulley Gear and Tension Roller [No.D9] (Procedure No. D3 -> No. D7 -> D8 -> D9)	341
14.4.1.10. BK Changer Clutch Assembly [No.D10] (Procedure No. D3 -> No. D7 -> D8 -> D10)	342
14.4.1.11. Accumulator Drive Clutch and Accumulator Drive Gear Solenoid [No.D11] (Procedure No. D3 -> No. D7 -> D8 -> D11)	343
14.4.1.12. Toner Cartridge Joint Gear [No.D12] (Procedure No. D3 -> No. D7 -> D8 -> D12)	344
14.5. How to Remove STR	345
14.6. Note for Assembling	347
14.6.1. Main Drive Section	347
14.6.2. Accumulator Unit Section	350
14.6.3. Color Registration Sensor Section	351
14.7. Installation Position of the Lead	352
14.7.1. Main Board Section (1)	352
14.7.2. Main Board Section (2)	353
14.7.3. Main Board Section (3)	355
14.7.4. Main Cabinet Section	356
14.7.5. Low Voltage Power Supply Board Section (1)	357
14.7.6. Low Voltage Power Supply Board Section (2)	358
14.7.7. Main Drive Unit Section	359
15 Measurements and Adjustments	361
15.1. Color Registration Skew Adjustment	361
16 Maintenance	364
16.1. Maintenance Items and Component Locations	364
16.1.1. Outline	364
16.1.2. Maintenance Check Items/Component Locations	364
16.1.2.1. User Maintenance	365
16.1.2.2. Service Maintenance	365
16.1.2.2.1. Recommended Maintenance Cycle	365
16.1.2.2.2. Lubrication	365
16.2. Maintenance	366
16.2.1. Cleaning the white plates and glass	366
16.2.2. Cleaning the Document Feeder Rollers	367
16.2.3. Cleaning the paper chute	368
16.3. Terminal Guide of the ICs, Transistors and Diodes	370
16.3.1. Main Board (1)	370
16.3.2. Main Board (2)	371
16.3.3. Toner Sensor Board	371
16.3.4. WTF Sensor Board	371
16.3.5. FB Relay Board	371
16.3.6. Operation Board	372
16.3.7. Optional ADU Board	372
16.3.8. Optional OPF Main Board	372
16.4. How to Replace the Flat Package IC	373
16.4.1. Preparation	373
16.4.2. Flat Package IC Removal Procedure	373
16.4.3. Flat Package IC Installation Procedure	374
16.4.4. Bridge Modification Procedure	374
16.5. Main Board Section	375
16.5.1. NG Example	376
16.6. Test Chart	377
16.6.1. ITU-T No.1 Test Chart	377
16.6.2. ITU-T No.2 Test Chart	378
17 Schematic Diagram	379
17.1. For Schematic Diagram	379
17.2. Main Board	380
17.2.1. Main Board (1)	380
17.2.2. Main Board (2)	384
17.2.3. Main Board (3)	386
17.2.4. Main Board (4)	388
17.2.5. Main Board (5)	390
17.2.6. Main Board (6)	392
17.2.7. Main Board (7)	394
17.2.8. Main Board (8)	396
17.2.9. Main Board (9)	398
17.2.10. Main Board (10)	400
17.2.11. Main Board (11)	402
17.2.12. Main Board (12)	404
17.3. Sensor Board	406
17.4. Scanner Board	407
17.5. Operation Board	408
17.6. High Voltage Power Supply Board	410
17.6.1. High Voltage Power Supply Board (1)	410
17.6.2. High Voltage Power Supply Board (2)	411
17.6.3. High Voltage Power Supply Board (3)	412
17.7. Low Voltage Power Supply Board	413
17.8. Optional ADU Board	414
17.9. Optional OPF Board	415
17.10. Optional Hook Switch Board	416
18 Printed Circuit Board	417
18.1. Main Board	417
18.1.1. Main Board: Component View	417
18.1.2. Main Board: Bottom View	418
18.2. Sensor Board	419
18.2.1. Toner Sensor Board	419
18.2.2. ADF Relay Board	420
18.2.3. ADF Board	420
18.2.4. WTF Sensor Board	420
18.2.5. Cassette Sensor Board	420
18.2.6. FTR Home Position Sensor Board	420
18.2.7. Fuser Board	421
18.2.8. Registration and Paper Sensor Board	421
18.2.9. OPC Home Position Sensor Board	421
18.2.10. Pick-up Home Position Sensor Board	421
18.2.11. Sensor & Solenoid Relay Board	421
18.2.12. CIS Home Position Sensor Board	422
18.2.13. Color Registration Sensor Board	422
18.2.14. Handset Relay Board	422
18.3. Scanner Board	423
18.3.1. FB Relay Board: Component View	423
18.3.2. FB Relay Board: Bottom View	423
18.3.3. CIS Relay Board	424
18.4. Operation Board	425
18.5. High Voltage Power Supply Board	427
18.5.1. High Voltage Power Supply Board: Component View	427
18.5.2. High Voltage Power Supply Board: Bottom View	428
18.6. Low Voltage Power Supply Board	429
18.6.1. Low Voltage Power Supply Board: Component View	429
18.6.2. Low Voltage Power Supply Board: Bottom View	430
18.7. Optional ADU Board	431
18.8. Optional OPF Board	431
18.8.1. OPF Main Board: Component View	431
18.8.2. OPF Main Board: Bottom View	432
18.8.3. OPF Paper Sensor Board	432
18.8.4. OPF Sensor Board	432
18.9. Optional Hook Switch Board	433
19.1. Cabinet, Mechanical and Electrical Parts Location	434
19.1.1. Operation Panel Section	434
19.1.2. Top Cover Section	435
19.1.3. ADF Section	436
19.1.4. ADF Motor Section	437
19.1.5. Bottom Cabinet Section	438
19.1.6. Front Cabinet Section 1	439
19.1.7. Left Side Cabinet Section	440
19.1.8. Rear Cabinet Section 1	441
19.1.9. Rear Cabinet Section 2	442
19.1.10. Main Drive Unit Section 1	443
19.1.11. Main Drive Unit Section 2	444
19.1.12. Main Drive Unit Section 3	445
19.1.13. Main Drive Unit Section 4	446
19.1.14. Fuser Section	447
19.1.15. Right Side Cabinet Section	448
19.1.16. Laser Unit Section	449
19.1.17. Front Cabinet Section 2	450
19.1.18. Rear Cabinet Section 3	451
19.1.19. Cabinet Cover Section	452
19.1.20. Left Side Cover Section	453
19.1.21. Handset Section	454
19.1.22. STR Section	455
19.1.23. Cassette Tray Section	456
19.1.24. KX-FAB318E/X Optional Automatic duplex Unit (ADU) Section	457
19.1.25. KX-FAP317E/X Optional Lower Input Tray (OPF) Section 1	458
19.1.26. KX-FAP317E/X Optional Lower Input Tray (OPF) Section 2	459
19.1.27. KX-FAP317E/X Optional Lower Input Tray (OPF) Section 3	460
19.1.28. Actual Size of Screws and Washers	461
19.1.29. Accessories and Packing Materials	462
19.2. Replacement Parts List	463
19.2.1. CABINET AND ELECTRICAL PARTS	463
19.2.1.1. Operation Panel Section	463
19.2.1.2. Top Cover Section	463

Match case Limit results 1 per page

393

KX-MC6020HX

KX-MC6020

SCHEMATIC DIAGRAM (MAIN BOARD No.6) (2/2)

-2

2/2

(1)

(2)

(5)

(3)

(6)

(9)

(8)

(4)

(7)

NPCIINT

1:4D

NPCICBE[0-3]

1:4D

PCICKOUT

1:4D

NPCIRST

1:4D

PCIAD[0-31]

1:4F

NPCIREQ0

1:4D

16V 100n

C611

16V 100n

C612

16V 100n

C613

16V 100n

C614

16V 100n

C615

16V 100n

C616

16V 100n

C617

16V 100n

C618

16V 100n

C619

16V 100n

C620

16V 100n

C621

16V 100n

C622

16V 100n

C623

16V 100n

C624

16V 100n

C625

16V 100n

C626

16V 100n

C627

16V 100n

C629

16V 100n

C630

16V 100n

C628

16V 100n

C632

16V 100n

C631

16V 100n

C639

16V 100n

C635

16V 100n

C633

16V 100n

C638

16V 100n

C637

16V 100n

C636

16V 100n

C634

16V 100n

C640

GND

+1.5V

+3.3V

+2.5V

PCIPAR

1:4E

NPCISTP

1:4D

NPCIPERR

1:4D

NPCISERRZ

1:4E

NPCIFRM

1:4D

NPCITRDY

1:4E

NPCIRDY

1:4D

NPCIGNT0

1:4D

47k

R660

47k

R659

R668

47k

R661

+3.3V

10k

R635

10k

R636

10k

R637

10k

R638

10k

R639

10k

R640

10k

R641

10k

R642

GND

NPCIDSEL

1:4D

+3.3V

47k

R658

47k

R657

47k

R650

47k

R648

47k

R646

+3.3V

47k

R652

47k

R645

47k

R651

47k

R644

47k

R643

+3.3V

47k

R649

47k

R647

47k

R653

47k

R655

47k

RA607

47k

RA608

47k

RA609

47k

RA610

47k

RA611

47k

RA612

47k

RA613

47k

RA614

+3.3V

IC600

VDD15_1

VDD15_2

VDD15_3

VDD15_4

E12

VDD15_5

E16

VDD15_6

VDD15_7

J16

VDD15_8

VDD15_9

VDD15_10

M16

VDD15_11

VDD15_12

T10

VDD15_13

T11

VDD15_14

T16

VDD15_15

VDD33_1

VDD33_2

E14

VDD33_3

G16

VDD33_4

P16

VDD33_5

VDD33_6

T14

VDD33_7

VDDQ_1

VDDQ_2

VDDQ_3

VDDQ_4

VDDQ_5

VDDQ_6

VDDQ_7

VDDQ_8

M11

GND_29

M12

GND_30

GND_31

N16

GND_32

GND_33

R16

GND_34

GND_35

GND_36

GND_37

T12

GND_38

T13

GND_39

T15

GND_40

GND_13

J10

GND_14

J11

GND_15

J12

GND_16

GND_17

K10

GND_18

K11

GND_19

K12

GND_20

GND_21

GND_22

L10

GND_23

L11

GND_24

L12

GND_25

L17

GND_26

GND_27

M10

GND_28

GND_3

D15

GND_4

GND_5

GND_6

E13

GND_7

E15

GND_8

GND_9

F16

GND_10

GND_11

H16

GND_12

GND_2

B20

GND_1

IC600

U13

PCICLK

Y13

NPCIRST

Y16

NPCIINTA

V13

NPCIREQ

V14

NPCIGNT

Y14

NPCIEXTREQ

W16

NPCIEXTGNT

U14

NPCICBE0

W15

NPCICBE1

V15

NPCICBE2

W14

NPCICBE3

U12

NPCIFRM

Y12

NPCIIRDY

Y15

NPCITRDY

V11

NPCISTP

V12

NPCIPAR

Y11

NPCIDEVSEL

W13

PCIIDSEL

W11

NPCIPERR

W12

NPCISERR

EXTPCIINT

PCIAD15

PCIAD14

PCIAD13

PCIAD12

PCIAD11

PCIAD10

PCIAD9

PCIAD8

PCIAD7

PCIAD6

PCIAD5

PCIAD4

PCIAD3

PCIAD2

PCIAD1

PCIAD0

Y10

PCIAD31

U11

PCIAD30

W10

PCIAD29

PCIAD28

V10

PCIAD27

U10

PCIAD26

PCIAD25

PCIAD24

PCIAD23

PCIAD22

PCIAD21

PCIAD20

PCIAD19

PCIAD18

PCIAD17

PCIAD16

4.7k

R656

47k

R654

150

R671

100

R672

100

R673

100

R674

100

R675

100

R676

100

R677

100

R678

100

R679

100

R662

100

R663

100

R664

100

R665

100

R666

100

R667

100

R669

100

R670

100

RA615

100

RA616

100

RA617

100

RA618

100

RA619

100

RA620

100

RA621

100

RA622

PCIAD[31]

PCIAD[30]

PCIAD[29]

PCIAD[28]

PCIAD[27]

PCIAD[26]

PCIAD[25]

PCIAD[24]

PCIAD[23]

PCIAD[22]

PCIAD[21]

PCIAD[20]

PCIAD[19]

PCIAD[18]

PCIAD[17]

PCIAD[16]

PCIAD[15]

PCIAD[14]

PCIAD[13]

PCIAD[12]

PCIAD[11]

PCIAD[10]

PCIAD[9]

PCIAD[8]

PCIAD[7]

PCIAD[6]

PCIAD[5]

PCIAD[4]

PCIAD[3]

PCIAD[2]

PCIAD[1]

PCIAD[0]

PCIAD[14]

EXTPCTINT

NPCICBE[3]

NPCICBE[1]

NPCICBE[0]

NPCICBE[2]

PCIAD[31]

PCIAD[30]

PCIAD[29]

PCIAD[28]

PCIAD[27]

PCIAD[26]

PCIAD[25]

PCIAD[24]

PCIAD[23]

PCIAD[22]

PCIAD[21]

PCIAD[20]

PCIAD[19]

PCIAD[18]

PCIAD[17]

PCIAD[16]

PCIAD[15]

PCIAD[14]

PCIAD[13]

PCIAD[12]

PCIAD[11]

PCIAD[10]

PCIAD[9]

PCIAD[8]

PCIAD[7]

PCIAD[6]

PCIAD[5]

PCIAD[4]

PCIAD[3]

PCIAD[2]

PCIAD[1]

PCIAD[0]

ASIC BLOCK

PCI I/F

POWER/GND

ASIC(PCI I/F Block)

ASIC(Power Block)