Panasonic KX-P7105, KX-P7110 3/3, (Engine Control Board)

1

A

2

3

4

5

6

HGFEDCB

6

2

1

3

4

5

CBA GFED

EXITCTL 002:F5

FANCTL 002:F2

FANERR 002:D3

nREGSEN 002:F5

nTOPSEN 002:F2

nEXITSEN 002:F5

MMCTL 002:D3

Q021

MMHALF 002:D3

Q019

nMMLD 002:F5

+5VLD

+5VSP

+24V

+24VIR

+24VIR

1000p

C041

1000p

C043

1000p

C042

1000p

C045

1000p

C046

CN018

1

2

3

CN011

1

2

0.1u

C047

+24V

REGCTL 002:F5

PUCTL 002:F5

CN012

1

2

Q016

Q020

+24V

+24V

1000p

C055

1000p

C058

1000p

C056

1000p

C052

1000p

C051

FG-A

FG-C FG-D

FG-C

FG-B

FG-A FG-D

+24V

10k

R086

IC006

15

OUT3

1LG

2VREF

3VSA

4IO

5IN2

6IN1

7VCC1

8VMMA

9OUT1

10 RSA

11 OUT2

12 NC1

13 PG

14 NC2

16

NC3

17

NC4

18

RSB

19

OUT4

20

VMMB

21

VCC2

22

IN4

23

IN3

24

I1

25

NC5

26

VSB

27

C/R

+24VIR

18K

R089

3300p

C048

SMNA

001:E4

SMA

001:E4

SMNB

001:E4 SMB

001:E4

CN017

1

2

3

4

5VCTL 002:D4

0

R081

D004 D003 D002

IO_CTL

002:F5

510

R066

510

R067

510

R068

10k

R069

10k

R070

10k

R071

2.2k

R072 4.7k

R073

510

R082

10k

R085

10k

R088

510

R087

10

R093

10

R105

10

R102

10

R094

10

R103

CN015

1

2

3

4

CN014

1

2

3

4

5

1000p

C049

PNON 002:F5

510

R095

10k

R099

CN013

1

2

Q018

+5VSP

FG-E

10

R097

1000p

C053

FG-E

10

R098

1000p

C054

+5VSP

C044

0.1u

C064

0

R074

0

R079

CN019

1

2

3

1W

0.47

R080

1W

0.47

R091

CN016

1

2

3

4

5

6

7

Q023

Q024

Q025

Q015

Q014

Q013

2.2k

1/10W

R061

2.2k

1/10W

R064

2.2k

1/10W

R062

2.2k

1/10W

R065

2.2k

1/10W

R063

2.2k

1/10W

R060 10k

R130

10k

R131

10k

R132

L013

L016

L015

L014

L017

L018

L019

1

R133

+5VSP

IC002

5

67

2.2k

1/10W

R083

2.2k

1/10W

R084

12

1/2W

R140

12

1/2W

R090

10k

R136

220K

R137

18K

R138

1M

R139

39k 1%

R142

240k 1%

R141

1u

C108

1000p

C109

35V/47u

C110

D006

2.2k

R077

0

R134

0

R135

0.1u

C105

0.1u

C106

0.1u

C107

I1_CTL

002:G3

FG-B

P/U_SOL

REG_SOL

EXIT_SOL

FAN

MAIN MOTOR

(DC)

EXIT

PUSOL_CTL

+24VGND

REGSOL_CTL

EXITSOL_CTL

24VGND

FANPWR

FANERR

5VGND

nEXITSEN

+5VSP

+24VIR

+24VIR

24VGND

24VGND

nMMCTL

GND<+24V>

GND<+5V>

POWER<+5V>

POWER<+5VLD>

POWER<+5VSP>

POWER<+24V>

POWER<+24VIR>

nMMLD

nMMHALF

+24VGND

F.G.

NBOUT

NAOUT

AOUT

BOUT

MAIN MOTOR

(STEPPER)

PNON

+24VGND

+5VSP

nTOPSEN

REG-TOP

5VGND

5VGND

nREGSEN

5VGND

PNON

+5VSP

5VGND

FG-AFG-BFG-C

FG-D FG-E

Not Used

Not Used

3/3

(Engine Control Board)

KX-P7105/KX-P7110

Parts Side

Not Used

Not Used

Not Used

Not Used

Not Used

Not Used

Not Used

(The line is directly

connected by pattern.)

KX-P7105 / KX-P7110

101

Contents

Main Page CONTENTS Page Page Page Page Page Page Page 1.1.4.2. Margins and Print Area Page Page Page Page Page Page 1.7. Print Process Page 1.8. Paper Feed 1.9. Laser Scan Unit ( Exposure ) 1.9.1. Operation Theory 1.9.2. Laser Beam Page 1.10. Fuser Unit 1.11. Paper Ejection and Paper Switchback 2 Installation, Setup, and Repacking 2.1. Installation Requirements 2.1.1. Environment 2.1.2. Ventilation Requirements 2.2. Setup Page Page 2.3. Repacking Page Page Page Page 3.2. Right, Left and Top Covers Page 3.5. High Voltage Board and Power Supply Unit 3.5.1. High Voltage Board 3.5.2. Power Supply Unit 3.5.3. Power Supply Unit Disassembly Page 3.7.2. Toner Empty Sensor Board 3.8. 2nd Feeder I / F Board and Main Control Board 3.8.1. 2nd Feeder I / F Board and Main Control Board 3.8.2. Main Control Board Disassembly 3.9. Fuser Drive Gear 3.10. Fan Motor 3.11. Gear Support Bracket, Relay Board ( A ), Motor, Drive Gear Unit and Paper Empty Sensor Board 3.11.1. Gear Support Bracket 3.11.2. Relay Board ( A ), Drive Gear Unit and Motor Page 3.12. Upper Exit Roller Holder 3.12.1. Upper Exit Roller Holder 3.12.1.1. Upper Exit Roller Holder Disassembly 3.13. Fuser Unit 3.13.1. Fuser Unit Disassembly 3.13.2. Heat Lamp 3.13.3. Heat Roller 3.13.4. Thermostat Page 3.14. Pickup, Paper Feed, Registration and Transfer Rollers 3.14.1. Pickup Roller and Pickup Solenoid Page 3.15. Transfer Roller Assembly 3.16. Auto Duplex Unit, ADU Registration Roller and ADU Pinch Roller 3.16.1. Auto Duplex Unit ( ADU ) 3.16.1.1. Auto Duplex Pinch and Registration Rollers 3.16.1.2. Auto Duplex Disassembly Page Page 3.18. Paper Empty Sensor Lever 4 Electronic Circuit Description and Diagrams 4.1. Block Diagram CN9 USB I/F CN4 M Power Supply Unit Fuser Unit Board Main Control Board Engine Control High Voltage Supply Unit 4.2. Connection Diagram KX-P7105 / KX-P7110 Drum Unit Transfer Roller Transfer I/F CN FAN Page Page Page Page Note: Motor Current will be cut off in case of OFF condition above. 4.4.5. Laser Scanning Unit Control Circuit 4.4.6. Fuser Temperature Control Circuit 4.4.7. High Voltage Control Circuit Page 4.4.9. Safety Interlock SW Page Page Page Page 4.4.11.5. Toner Empty Sensor Circuit 4.4.12. Fan Control Circuit 4.4.13. 2nd Feeder I / F Circuit Page 4.5. Main Control Board 4.5.1. Data Flow Page Page 4.5.5. CPU ASIC ( IC1 ) overview 4.5.5.1. CPU 4.5.5.2. SDRAM I/F 4.5.5.3. ROM I/F Page 4.5.5.5. Internal Engine I/F (Main Board - Engine Board) The communication I/F signal between Main Board and Engine Board in Main Board is as follows. Page Page 4.5.5.8. USB I/F 4.5.5.9. PCI I/F 4.5.5.10. Network I/F ( only for KX-P7110 ) 5 Schematic Diagram Page 5.1. Main Control Board 1/9 KX-P7105/KX-P7110 1 CPU CIRCUIT BLOCK 2 2/9 (OR MASK ROM) 2 ROM BLOCK OPTION ROM CN 3/9 HGFEDCB sd_ras sd_cs[1-0] sd_d[15-0] 4/9 <IC6> 21 KX-P7105/KX-P7110 Not Used 5/9 KX-P7105/KX-P7110 IEEE1284 CIRCUIT BLOCK 1 2 6/9 ENGINE I/F, EEPROM, PANEL I/F CIRCUIT BLOCK KX-P7105/KX-P7110 A EEPROM 7/9 CPU ICE & JTAG CIRCUIT BLOCK ICE CONNECTOR Not Used Power Regulator Circuit 8/9 CN9 9/9 KX-P7105/KX-P7110 1 D- USB CIRCUIT BLOCK Page 5.2. Engine Control Board 1/3 A CBA GFED HGFEDCB (Engine Control Board) 2/3 HGFEDCB CBA GFED (Engine Control Board) KX-P7105/KX-P7110 3/3 A Parts Side C107 C106 Page 5.3. Sensors, Indicator and Relay Boards 1/1 (Sensors, Indicator and Relay Boards) Page 5.4. Paper Empty Sensor Board and 2nd Feeder I / F Board 1/1 180 R450 PJUPB0008Z_c 2 3 Page 6 Explanation of Connectors 6.1. Main Control Board 6.1.1. CN1 ( Optional PostScript Upgrade Kit I / F Connector ) CN1 (Optional PostScript Upgrade Kit I/F Connector) 6.1.2. CN2 ( Optional RAM Connector ) CN2 (Optional RAM Connector) CN2 6.1.3. CN3 ( Network Connector ) CN3 (Network Connector) 6.1.4. CN4 ( IEEE 1284 I / F Connector ) CN4 (IEEE 1284 I/F Connector) 6.1.5. CN5 ( Engine I / F Connector ) CN5 (Engine I/F Connector) 6.1.6. CN6 ( Front Panel Connector ) CN6 (Front Panel Connector) 6.1.7. CN9 ( USB I / F Connector ) CN9 (USB I/F Connector) 6.2. Engine Control Board 6.2.1. CN001 ( Video Interface ) CN001 (Video Interface) 6.2.2. CN002 ( LSU Control Signals ) CN003 (OPC Drum Unit Interlock Switch) CN002 (LSU Control Signals) 6.2.3. CN003 ( OPC Drum Unit Interlock SW ) 2 3 +5V 5VGND +5V (LD) CN005 (PSU-MAIN Connector) IN Thermistor OUT TH --- 2+5V CN011 (Pickup Solenoid) CN010 (Polygon Motor) --- ------ OUT +24VGND Pick Up Solenoid Control CN014 (REG-TOP Sensor) 6.2.15. CN015 ( EXIT Sensor ) CN015 (EXIT Sensor) 6.2.16. CN017 ( MAIN Motor ) CN017 (Main Motor) CN019 (Paper Empty Sensor) 6.3. Registration & Paper Top Sensor Board CN402 (EXIT Sensor) 6.3.1. CN401 ( REG-TOP Sensor ) CN401 (REG-TOP Sensor) CN407 (Fuser GND) 6.7. Paper Empty Sensor Board 6.7.1. CN450 ( Paper Empty Sensor ) CN450 (Paper Empty Sensor) 6.8. Toner Empty Sensor Board CN452 (to Engine Control Board CN004) 6.9.1. CN452 ( to Engine Control Board CN004 ) 6.9.2. CN453 ( to 2nd Feeder ) CN453 (to 2nd Feeder) 7 Component Reference Guide 7.1. Main Control Board IC1 (Main Control CPU) 7.1.1. IC1 ( Main Control CPU ) IC1 IC1 7.1.2. IC2 ( Reset IC ) IC2 (Reset IC) Pin No. Symbol In/Out Function 1 2 3 4 GND VDD OUT Cd - - Out In Ground +2.5V Reset Pulse Output Reset Time Set 7.1.3. IC3 ( Flash / Mask ROM ) IC3 (Flash/Mask ROM) 7.1.4. IC5 ( RAM ) IC5 (RAM) 7.1.5. IC6 ( LAN IC ) IC6 (LAN IC) IC6 7.1.6. IC7 ( EEPROM ) - IC7 (EEPROM) Pin No. Symbol In/Out Function 1 2 3 4 5 6 7 8 A0 A1 A2 VSS SDA SCL WP VCC - In/Out 7.1.8. IC12 ( Regulator ) 7.2. Engine Control Board 7.2.1. IC001 ( ASIC ) 7.2.2. IC002 ( Comparators ) 7.2.3. IC003 ( Reset IC ) 7.2.4. IC004 ( Engine Control CPU ) 7.2.5. IC005 ( EEPROM ) IC005 (EEPROM) Pin No. Symbol In/Out Function 1 2 3 4 5 6 7 8 CS SK DI DO GND TEST NC VCC Out 7.2.6. IC006 ( Motor Drive IC ) 7.2.7. IC007 ( Inverters ) 8 Preventative Maintenance 8.1. General 8.2. Recommended Tools 8.3. Recommended Cleaning 8.4. Maintenance Tables 8.4.1. User Maintenance 8.4.2. Service Maintenance 8.4.2.1. Maintenance Cycle 8.4.2.2. Lubrication 8.4.2.3. Recommended Lubrication 8.4.3. Counter Reset 9 Troubleshooting 9.1. Self-Diagnostic Indicators Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page 10.2.1. Engine Control Board Connector 10.2.2. Pickup Roller and Paper Feed Roller 10.2.3. Motor and Drive Gear Unit 10.3. Left Side Parts ( Power Supply Unit and High Voltage Board ) 10.4. Rear and Top Side Parts Page Page Page Page 10.6. Mechanical Base 10.7. Media Tray ( Paper Cassette ) 10.8. Packing Page Page 10.9.1. ICs 10.9.2. Capacitors All capacitor values are in microfarads unless otherwise noted. 10.9.3. Resistors 10.9.4. Transistor and Diodes 10.9.5. Connectors 10.9.6. Others Page 10.10.1. ICs 10.10.2. Capacitors All capacitor values are in microfarads unless otherwise noted. 10.10.3. Resistors 10.10.4. Transistor and Diodes 10.10.5. Connectors 10.10.6. Others 10.11. Registration & Paper Top Detection Sensor Board 10.12. Paper Exit / ADU Paper Jam Sensor Board Resistor values is in OHMs. 10.13. Indicator Board 10.14. Toner Empty Sensor Board 10.15. Relay Board (A) Resistor value is in OHMs. 10.16. Relay Board (B) Resistor values are in OHMs.