Panasonic KX-P7100 manual IC3 GDI Asic, MA9

Page 89

7.3.IC3 ( GDI ASIC )

IC3 (GDI ASIC)

Pin

Symbol

In/Out

Function

No.

 

 

 

1

PEND

Out

Paper End signal

2

BUSY

Out

Busy signal

3

nACK

Out

Acknowledge signal

4

nSTROB

In

Data strobe signal

5

VSS

-

GND

6

PIOD7

In/Out

Bi-directional data7

7

VDD

-

+5V

8

PIOD6

In/Out

Bi-directional data6

9

PIOD5

In/Out

Bi-directional data5

10

PIOD4

In/Out

Bi-directional data4

11

PIOD3

In/Out

Bi-directional data3

12

PIOD2

In/Out

Bi-directional data2

13

PIOD1

In/Out

Bi-directional data1

14

PIOD0

In/Out

Bi-directional data0

15

PCLK

-

N.C.

16

VDD

-

+5V

17

SIOAO

In/Out

GND (via 10k ohm)

18

nSIOCS

-

N.C.

19

SIOWR

-

N.C.

20

SIORD

-

N.C.

21

VDO1

-

N.C.

22

VDO0

Out

Video data

23

DOTCLK

-

N.C.

24

VCLK

In

Video clock

25

VSS

-

GND

26

nHSYNC

In

HSYNC signal

27

VDD

-

+5V

28

nVSROZ

In

Engine Vsync request

29

nCBSY

Out

Command busy signal

30

nCCLK

Out

Communication clock

31

nCMD

Out

Command data

32

GIO3

Out

Print signal

33

GIO4

In

Printer power ready signal

34

GIO5

In

Printer ready signal

35

nSBSY

In

Status busy signal

36

nSTS

In

Status data

37

MA0

Out

Memory address signal0

38

MA1

Out

Memory address signal1

39

MA2

Out

Memory address signal2

40

VSS

-

-

41

MA3

Out

Memory address signal3

42

MA4

Out

Memory address signal4

43

VSS

-

-

44

MA5

Out

Memory address signal5

45

MA6

Out

Memory address signal6

46

MA7

Out

Memory address signal7

47

VDD

-

-

48

MA8

Out

Memory address signal8

49

MA9

Out

Memory address signal9

50

nINIT

In

Initial signal

 

 

 

 

KX-P7100

Pin

Symbol

In/Out

Function

No.

 

 

 

51

nRAS1

Out

Memory row address strobe

52

nRAS0A

Out

Bank 0 chip select signal

53

nRAS0B

-

N.C.

54

nCAS

Out

Memory column

 

 

 

address strobe

55

nMOE

Out

Memory output

 

 

 

enable signal

56

nMWE

Out

Memory write signal

57

VSS

-

GND

58

MA10

-

N.C.

59

MA11

-

N.C.

60

MA12

-

N.C.

61

MA13

-

N.C.

62

MA14

-

N.C.

63

MD7

In/Out

Memory data7

64

VDD

-

+5V

65

MD6

In/Out

Memory data6

66

VDD

-

+5V

67

MD5

In/Out

Memory data5

68

MD4

In/Out

Memory data4

69

MD3

In/Out

Memory data3

70

MD2

In/Out

Memory data2

71

MD1

In/Out

Memory data1

72

VSS

-

GND

73

MD0

In/Out

Memory data0

74

nRD

In

CPU read signal

75

nWR

In

CPU write signal

76

ASTB

In

CPU latch signal

77

AD0

In/Out

CPU address/data0

78

AD1

In/Out

CPU address/data1

79

AD2

In/Out

CPU address/data2

80

AD3

In/Out

CPU address/data3

81

AD4

In/Out

CPU address/data4

82

AD5

In/Out

CPU address/data5

83

AD6

In/Out

CPU address/data6

84

VDD

-

+5V

85

AD7

In/Out

CPU address/data7

86

nWAIT

In/Out

+5V (via 10k ohm)

87

nINTR

Out

CPU interrupt signal

88

nIOCS1

-

N.C.

89

VSS

-

GND

90

CLKO

-

N.C.

91

CLKI

In

System clock

92

VSS

-

GND

93

nRESET

In

System reset signal

94

CA8

In

CPU address8

95

CA9

In

CPU address9

96

CA10

In

CPU address10

97

SLCTIN

In

Select In signal

98

nAUTOFD

In

Auto Feed signal

99

nFAULT

Out

Fault signal

100

SLCT

Out

Select signal

89

Page 88 Page 90
Image 89
Page 88 Page 90
Contents KX-P7100 KX-P7100 Contents Printer SpecificationsPaper Interface, Options, Accessories, and Supplies Others About Media Margins and Print Area Printer Panel Indicators / Button IndicatorsKX-P7100 Front Side View Rear Side View Parts IdentificationComponent Layout and Paper Path Electrical Components and Sensor Boards Switches and Solenoids Print Process Development / CleaningCharge ExposureTransfer FusingMedia Tray Paper FeedLaser Beam Laser Scan Unit ExposureOperation Theory Polygon Scanner Collimator LensCylindrical Lens and Lens LensFuser Unit Normal Printing Mode Not Duplex Mode Paper Ejection and Paper SwitchbackSetup Installation RequirementsKX-P7100 Material Required RepackingKX-P7100 KX-P7100 Front and Rear Covers Removal and Replacement ProceduresRear Cover Disassembly Front Cover DisassemblyRight Cover Right, Left and Top CoversLeft Cover Top CoverRelay Board B Laser Scanning Unit LSUHigh Voltage Board High Voltage Board and Power Supply UnitPower Supply Unit Disassembly Power Supply UnitMain Controller Board Indicator Board and Toner Empty Sensor BoardMain Controller Board and Fuser Drive Gear Fuser Drive Gear Fan MotorDrive 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 Roller Heat LampThermostat KX-P7100 Pickup Roller and Pickup Solenoid Pickup, Paper Feed, Registration and Transfer RollersRegistration Roller Paper Feed Roller / Registration RollerTransfer Roller Assembly Auto Duplex Pinch and Registration Rollers Auto Duplex Unit ADUAuto Duplex Disassembly KX-P7100 KX-P7100 Block Diagram Electronic Circuit Description and DiagramsConnection Diagram Connection DiagramPower Supply Main Control CPU Main Control BoardDram I/F GDI Asic IC3Dram USB ChipAsic 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 Fanctl Fan Control CircuitPprdy Internal Engine I / F Control CPU Engine CPUTiming 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 Main Board 3. CN3 LSU Control Signals1. CN1 to Front Panel 2. CN2 OPC Drum Unit Interlock SW5. CN6 Centronics Parallel I / F 4. CN4 USB I / F Connector9. CN10 HVU-MAIN Connector 6. CN7 PSU-MAIN Connector7. CN8 Door + 24V Interlock SW 8. CN9 Thermistor10. CN11 Polygon Motor CN14 Switchback SolenoidCN12 Pickup Solenoid CN13 Registration SolenoidCN18 Main Motor 15. CN16 Exit SensorCN19 FAN Control CN20 Toner Empty SensorPaper Exit / ADU Paper Jam Sensor Board Indicator BoardRegistration & Paper Top Sensor Board 1. CN451 Toner Empty Sensor Toner Empty Sensor BoardIC2 Inverters IC1 Main Control CPUMA9 IC3 GDI AsicVSS1 GND IC5 DramRsto OUT IC6 AsicIC9 Comparators IC10 Reset ICIC8 USB Chip 10. IC12 Eeprom IC11 Engine Control CPU12. IC15 Inverters 11. IC14 Motor driver ICMaintenance Tables Recommended CleaningUser Maintenance GeneralKX-P7100 Counter Reset Service Maintenance Maintenance CycleLubrication Recommended LubricationPrinter Status Paper Jam Self-Diagnostic IndicatorsUser Error Call for Service Initial Troubleshooting Flowchart No Operation White Vertical Line in Print Print QualityBlank 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 Media Tray Empty or Misfeed Paper JamJam at a Jam at B Jam at C Jam at D, E 1. E20 Call Service119 2. E30 3. E31 4. E32 5. E50 6. E54 7. E71 8. E73 9. E81 Exterior Replacement Parts List with Lubrication Guide127 128 Right Side PartsMain 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 134 Fuser Unit135 136 Bottom Side Parts137 Mechanical Base Media Tray Paper Cassette Packing Component Side View Parts Side View Capacitors ICsAll resistor values are in OHMs ResistorsTransistor and Diodes Others ConnectorsResistor values is in OHMs Registration & Paper Top Detection Sensor BoardResistor values are in OHMs Relay Board a
Related manuals
Manual 3 pages 32.09 Kb
Top Page Image Contents