Panasonic KX-P7100 manual IC1 Main Control CPU, IC2 Inverters

Page 88

KX-P7100

7 Component Reference Guide

7.1.IC1 ( Main Control CPU )

IC1 (Main Control CPU)

Pin

Symbol

In/Out

Function

No.

 

 

 

1

NC1

-

N.C.

2

P10

Out

I/F selector signal

3

P11

Out

Power save signal

4

P12

-

(not used)

5

P13

Out

LED (Ready) contorl signal

6

P14

In

Purge signal

7

P15

-

(not used)

8

P16

-

(not used)

9

P17

-

(not used)

10

RST

In

System reset

11

RXD

Out

LED (Error) contorl signal

12

NC2

-

N.C.

13

TXD

Out

LED (PU) contorl signal

14

nINT0

In

Intterrupt0

15

nINT1

In

Intterrupt1

16

T0

-

(not used)

17

T1

In

Key detection signal

18

nWR

Out

Write signal

19

nRD

Out

Read signal

20

XTAL2

-

N.C.

21

XTAL1

In

System clock

22

GND

-

GND

 

 

 

 

Pin

Symbol

In/Out

Function

No.

 

 

 

23

NC3

-

N.C.

24

A8

Out

Address8

25

A9

Out

Address9

26

A10

Out

Address10

27

A11

-

N.C.

28

A12

-

N.C.

29

A13

-

N.C.

30

A14

-

N.C.

31

A15

-

N.C.

32

nPSEN

-

N.C.

33

ALE

Out

Address latch enable

34

NC4

-

N.C.

35

nEA

-

+5V

36

AD7

In/Out

Address/Data7

37

AD6

In/Out

Address/Data6

38

AD5

In/Out

Address/Data5

39

AD4

In/Out

Address/Data4

40

AD3

In/Out

Address/Data3

41

AD2

In/Out

Address/Data2

42

AD1

In/Out

Address/Data1

43

AD0

In/Out

Address/Data0

44

VCC

-

+5V

 

 

 

 

7.2.IC2 ( Inverters )

IC2 (Inverters)

Pin

Symbol

In/Out

 

Function

No.

 

 

 

 

 

 

 

1

1A

In

 

 

 

 

2

1Y

Out

 

 

 

 

 

A(In)

Y(Out)

 

3

2A

In

 

 

 

L

H

 

4

2Y

Out

 

 

 

H

L

 

5

3A

In

 

 

 

 

 

 

6

3Y

Out

 

 

 

 

7

GND

-

GND

 

 

8

4Y

Out

 

 

 

 

9

4A

In

 

 

 

 

 

A(In)

Y(Out)

 

10

5Y

Out

 

 

 

L

H

 

11

5A

In

 

 

 

H

L

 

12

6Y

Out

 

 

 

 

 

 

13

6A

In

 

 

 

 

14

VCC

-

+5V

 

 

88

Page 87 Page 89
Image 88
Page 87 Page 89
Contents KX-P7100 KX-P7100 Contents Specifications PrinterPaper Interface, Options, Accessories, and Supplies Others About Media Margins and Print Area Indicators Printer Panel Indicators / ButtonKX-P7100 Parts Identification Front Side View Rear Side ViewComponent Layout and Paper Path Electrical Components and Sensor Boards Switches and Solenoids Development / Cleaning Print ProcessCharge ExposureFusing TransferPaper Feed Media TrayOperation Theory Laser Scan Unit ExposureLaser Beam Collimator Lens Polygon ScannerCylindrical Lens and Lens LensFuser Unit Paper Ejection and Paper Switchback Normal Printing Mode Not Duplex ModeInstallation Requirements SetupKX-P7100 Repacking Material RequiredKX-P7100 KX-P7100 Removal and Replacement Procedures Front and Rear CoversFront Cover Disassembly Rear Cover DisassemblyRight, Left and Top Covers Right CoverLeft Cover Top CoverLaser Scanning Unit LSU Relay Board BHigh Voltage Board and Power Supply Unit High Voltage BoardPower Supply Unit Power Supply Unit DisassemblyMain Controller Board and Fuser Drive Gear Indicator Board and Toner Empty Sensor BoardMain Controller Board Fan Motor Fuser Drive GearGear Support Bracket Gear Support Bracket, Motor and Drive Gear UnitDrive Gear Unit and Motor Drive Gear Unit Disassembly Upper Exit Roller Holder Upper Exit Roller Holder DisassemblyUpper Exit Roller Holder Fuser Unit Disassembly Heat Lamp Heat RollerThermostat KX-P7100 Pickup, Paper Feed, Registration and Transfer Rollers Pickup Roller and Pickup SolenoidPaper Feed Roller / Registration Roller Registration RollerTransfer Roller Assembly Auto Duplex Unit ADU Auto Duplex Pinch and Registration RollersAuto Duplex Disassembly KX-P7100 KX-P7100 Electronic Circuit Description and Diagrams Block DiagramConnection Diagram Connection DiagramPower Supply Main Control Board Main Control CPUGDI Asic IC3 Dram I/FUSB Chip DramAsic KME Clock Reset Circuit Main Motor Drive Circuit Motor Current will be cut off in case of OFF condition above Laser Scanning Unit Control Circuit Fuser Temperature Control Circuit High Voltage Control Circuit Eeprom Control Circuit Safety Interlock SW Pickup Control Solenoid Drive Circuit Solenoids Control CircuitRegistration Solenoid Driver Circuit Switchback Solenoid Drive Control Circuit Registration Sensor Circuit Sensors CircuitTop Sensor Circuit Exit Sensor Circuit Fan Control Circuit FanctlInternal Engine I / F Control CPU Engine CPU PprdyTiming Chart Engine I / F Communication Main Control Board POWER+5V GND+24V POWER+5VLD POWER+5V Usol Pusolctl Puctl Sensors, Indicator and Relay Boards KX-P7100 3. CN3 LSU Control Signals Main Board1. CN1 to Front Panel 2. CN2 OPC Drum Unit Interlock SW4. CN4 USB I / F Connector 5. CN6 Centronics Parallel I / F6. CN7 PSU-MAIN Connector 9. CN10 HVU-MAIN Connector7. CN8 Door + 24V Interlock SW 8. CN9 ThermistorCN14 Switchback Solenoid 10. CN11 Polygon MotorCN12 Pickup Solenoid CN13 Registration Solenoid15. CN16 Exit Sensor CN18 Main MotorCN19 FAN Control CN20 Toner Empty SensorRegistration & Paper Top Sensor Board Indicator BoardPaper Exit / ADU Paper Jam Sensor Board Toner Empty Sensor Board 1. CN451 Toner Empty SensorIC1 Main Control CPU IC2 InvertersIC3 GDI Asic MA9IC5 Dram VSS1 GNDIC6 Asic Rsto OUTIC8 USB Chip IC10 Reset ICIC9 Comparators IC11 Engine Control CPU 10. IC12 Eeprom11. IC14 Motor driver IC 12. IC15 InvertersRecommended Cleaning Maintenance TablesUser Maintenance GeneralKX-P7100 Service Maintenance Maintenance Cycle Counter ResetLubrication Recommended LubricationSelf-Diagnostic Indicators Printer Status Paper JamUser Error Call for Service Initial Troubleshooting Flowchart No Operation Print Quality White Vertical Line in PrintBlank Print Dark Vertical Line in Print Dark Horizontal Line in Print Dirty Background All-black Print Light Print Ghosting Black or White Dots Toner Spatter Paper Jam Media Tray Empty or MisfeedJam at a Jam at B Jam at C Jam at D, E Call Service 1. E20119 2. E30 3. E31 4. E32 5. E50 6. E54 7. E71 8. E73 9. E81 Replacement Parts List with Lubrication Guide Exterior127 Right Side Parts 128Main Controller Board Connector Pickup Roller and Paper Feed Roller Motor and Drive Gear Unit Left Side Parts Power Supply Unit and High Voltage Board Rear and Top Side Parts Fuser Unit 134135 Bottom Side Parts 136137 Mechanical Base Media Tray Paper Cassette Packing Component Side View Parts Side View ICs CapacitorsResistors All resistor values are in OHMsTransistor and Diodes Connectors OthersRegistration & Paper Top Detection Sensor Board Resistor values is in OHMsRelay Board a Resistor values are in OHMs
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