Panasonic KX-P7100 manual IC8 USB Chip, IC9 Comparators, IC10 Reset IC

Page 92

KX-P7100

7.6.IC8 ( USB Chip )

IC8 (USB Chip)

Pin

Symbol

In/Out

Function

No.

 

 

 

1

NC1

-

N.C.

2

RESET

In

System Reset signal

3

nSTROBE

Out

Strobe signal

4

BUSY

In

Busy signal

5

D0

Out

Parallel data0

6

D1

Out

Parallel data1

7

D2

Out

Parallel data2

8

D3

Out

Parallel data3

9

VCC1

-

+5V

10

GND1

-

GND

11

D4

Out

Parallel data4

12

D5

Out

Parallel data5

13

D6

Out

Parallel data6

14

D7

Out

Parallel data7

15

VCP

Out

+3.3V output

16

D+

In/Out

USB differential data +

17

D-

In/Out

USB differential data -

18

VCC2

-

+5V

19

GND2

-

GND

20

NC2

-

N.C.

 

 

 

 

Pin

Symbol

In/Out

Function

No.

 

 

 

21

NC3

-

N.C.

22

NC4

-

N.C.

23

X2

-

N.C.

24

X1

In

System clock

25

NC5

-

N.C.

26

PLH

-

N.C.

27

NC6

-

N.C.

28

nACK

In

Acknowledge signal

29

CS

-

(not used)

30

SK

-

(not used)

31

VCC3

-

+5V

32

GND3

-

GND

33

DI

-

(not used)

34

DO

-

(not used)

35

nFAULT

In

Fault signal

36

SELECT

In

Select signal

37

PERR

In

Paper end signal

38

nINT

Out

Initial signal

39

nAUTOFD

Out

Auto Feed signal

40

nSELECTIN

Out

Select In siganl

 

 

 

 

7.7.IC9 ( Comparators )

IC9 (Comparators)

Pin

Symbol

In/Out

Function

No.

 

 

 

1

A OUTPUT

Out

Comparator A Output

2

A -INPUT

In

Comparator A-Input

3

A +INPUT

In

Comparator A+Input

4

GND

-

GND

5

B+INPUT

In

Comparator B+Input

6

B -INPUT

In

Comparator B-Input

7

B OUTPUT

Out

Comparator B Output

8

VCC

-

+5V

 

 

 

 

7.8.IC10 ( Reset IC )

IC10 (Reset IC)

Pin

Symbol

In/Out

Function

No.

 

 

 

1

GND

-

GND

2

VDD

-

+5V

3

CD

-

Delay Capacitor

4

RESET

Out

Reset Signal

92

Image 92
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 TrayLaser Beam Laser Scan Unit ExposureOperation Theory 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 Indicator Board and Toner Empty Sensor BoardMain Controller Board and Fuser Drive Gear Fan Motor Fuser Drive GearDrive Gear Unit and Motor Gear Support Bracket, Motor and Drive Gear UnitGear Support Bracket 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 Registration Solenoid Driver Circuit Solenoids Control CircuitPickup Control Solenoid Drive Circuit Switchback Solenoid Drive Control Circuit Top Sensor Circuit Sensors CircuitRegistration 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 SensorPaper Exit / ADU Paper Jam Sensor Board Indicator BoardRegistration & Paper Top Sensor Board Toner Empty Sensor Board 1. CN451 Toner Empty SensorIC1 Main Control CPU IC2 InvertersIC3 GDI Asic MA9IC5 Dram VSS1 GNDIC6 Asic Rsto OUTIC9 Comparators IC10 Reset ICIC8 USB Chip 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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