Panasonic KX-P7100 manual IC11 Engine Control CPU, 10. IC12 Eeprom

Page 93

KX-P7100

7.9.IC11 ( Engine Control CPU )

IC11 (Engine Control CPU)

	Pin	Symbol	In/Out	Function
	No.	Symbol	In/Out	Function
	No.
	1	UI2	-	(not used)
	2	INT27	In	Door open signal
	3	AN0	In	Thermistor voltage detect
	4	P51	In	TESEN
	5	P52	Out	Scanner motor control signal
	6	P53	Out	Fan motor control signal
	7	P54	Out	Toner Empty LED control
				signal
	8	P55	Out	Charger control signal
	9	P56	Out	Dev. bias channel signal
	10	P57	Out	Transfer bias control signal
	11	AVCC	-	+5V
	12	AVR	-	+5V
	13	AVSS	-	GND
	14	INT10	In	Hsync signal
	15	P61	In	Scanner motor lock signal
	16	INT12	In	Top sennsor signal
	17	P63	In	Process unit detection signal
	18	P64	In	Fan motor error signal
	19	nRST	In	System reset
	20	MOD0	-	GND
	21	MOD1	-	GND
	22	X0	In	System clock
	23	X1	-	N.C.
	24	VSS	-	GND
	25	P27	-	(not used)
	26	P26	-	(not used)
	27	P25	Out	EEPROM data out
	28	P24	Out	EEPROM clock
	29	P23	Out	EEPROM chip select
	30	PPGO2	Out	Scanner motor clock
	31	PPGO1	Out	Fuser contorl signal
	32	P20	Out	+5V contorl signal

	Pin	Symbol	In/Out	Function
	No.	Symbol	In/Out	Function
	No.
	33	P17	In	EEPROM data in
	34	P16	-	(not used)
	35	P15	-	N.C.
	36	P14	In	Resist seneor signal
	37	P13	-	N.C.
	38	P12	-	N.C.
	39	P11	In	EEPROM initialize signal
	40	P10	In	Exit sensor signal
	41	P07	Out	Pick up control signal
	42	P06	Out	Resist control signal
	43	P05	Out	Exit control signal
	44	P04	Out	Motor I0 control signal
	45	P03	-	N.C.
	46	P02	Out	Purge signal
	47	P01	Out	Status busy signal
	48	P00	Out	Top signal
	49	NC	-	GND
	50	P30	Out	Printer ready signal
	51	SCK1	In	Communication clock
	52	SO1	Out	Status data signal
	53	SI1	In	Command data signal
	54	PTO2	Out	Dev. bias PWM signal
	55	P35	In	Print signal
	56	VCC	-	+5V
	57	WTO	In	Command busy signal
	58	PTO1	Out	Transfer bias PWM signal
	59	INT20	In	Power save signal
	60	P41	Out	Serial clock
	61	P42	Out	Serial data out
	62	P43	In	Serial data in
	63	P44	Out	Chip select
	64	P45	Out	Motor I1 control signal

7.10. IC12 ( EEPROM )

IC12 (EEPROM)

	Pin	Symbol	In/Out	Function
	No.	Symbol	In/Out	Function
	No.
	1	CS	In	Chip Select Signal
	2	SK	In	Serial Clock
	3	DI	In	Data Input
	4	DO	Out	Data Output
	5	GND	-	GND
	6	TEST	-	Test terminal (not used)
	7	NC	-	N.C.
	8	VCC	-	+5 V

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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 Scan Unit Exposure Operation TheoryLaser Beam 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 UnitIndicator Board and Toner Empty Sensor Board Main Controller Board and Fuser Drive GearMain Controller Board Fuser Drive Gear Fan MotorGear Support Bracket, Motor and Drive Gear Unit Gear Support BracketDrive Gear Unit and Motor Drive Gear Unit Disassembly Upper Exit Roller Holder Disassembly Upper Exit Roller HolderUpper 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 Solenoids Control Circuit Pickup Control Solenoid Drive CircuitRegistration Solenoid Driver Circuit Switchback Solenoid Drive Control Circuit Sensors Circuit Registration Sensor CircuitTop 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 SensorIndicator Board Registration & Paper Top Sensor BoardPaper Exit / ADU Paper Jam Sensor Board 1. CN451 Toner Empty Sensor Toner Empty Sensor BoardIC2 Inverters IC1 Main Control CPUMA9 IC3 GDI AsicVSS1 GND IC5 DramRsto OUT IC6 AsicIC10 Reset IC IC8 USB ChipIC9 Comparators 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

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