Samsung Inkjet SCX-1150F Repair Manual Download Page 29 | Manualshive

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3-26

CIRCUIT DESCRIPTION

Samsung Electronics

Repair Manual

3-5-3 Copy Data Flow for OA-980

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Summary of Contents for Inkjet SCX-1150F

Page 1: ...Repair Manual Repair Manual 1 Block Diagram 2 Connection Diagram 3 Circuit Description 4 Schematic Diagrams CONTENTS INKJET PRINTER MFP SCX 1150F...

Page 2: ...Cl ock SDRA M MODEM Spi t f i r e REQ ACK ADC DOC POS SENSOR DOC DET SENSOR OPE POWER 5V 11 75V 30V 3 3V LIU MAIN PRINT HEAD 2PEN 600DPI DOUBLE HEIGHT ENCORDER SENSOR LINE FEED CARRIAGE RETURN MOTOR...

Page 3: ...2 2 1 Samsung Electronics CONNECTION DIAGRAM Repair Manual 2 Connection Diagram Refer to the Schematic diagram See page 4 2...

Page 4: ...SDRAM and 1M BYTES ROM FLASH MEMORY 0x0FFF_FFFF GCS 7 Area 0x0E00_0000 0x0DFF_FFFF GCS6 Area DRAM 8MB 0x0C00_0000 0x0BFF_FFFF Reserved 0x0A00_0000 0x09FF_FFFF GCS 4 Area OA980 PO CS 0x0800_0000 0x07FF...

Page 5: ...and another method is to use MCLK When inputting 40MHz directly which supplies maximum 40MHz Clock to the EXTCLK terminal PIN65 The range of frequency being input in case of using X tal is limited to...

Page 6: ...ULE ADF RTC Cl ock SDRA M MODEM Spi t f i r e REQ ACK ADC DOC POS SENSOR DOC DET SENSOR OPE POWER 5V 11 75V 30V 3 3V LIU MAIN PRINT HEAD 2PEN 600DPI DOUBLE HEIGHT ENCORDER SENSOR LINE FEED CARRIAGE RE...

Page 7: ...Read Timing Figure 4 Flash Memory Write Timing EXTCLK nGCSx nGCSx ADDR tRWD tRAD Tacs tRCD nWE DATA nBEx Tacc Toch Tcah Tocs tRCD tRWD tRDD tRAD tRDH 1 EXTCLK nGCSx nGCSx ADDR tRWD tRAD Tacs tRCD nWE...

Page 8: ...5 Samsung Electronics CIRCUIT DESCRIPTION Repair Manual Figure 5 SDRAM Read Timing SCLK SCKE ADDR BA AP A10 nGCSx nSRAS nSCAS nBEx nWE DATA 1 tSAD tSAD tSCSD tSRD Trp Trcd tSCD tSBED Tcl tSWD tSDS tSD...

Page 9: ...3 6 CIRCUIT DESCRIPTION Samsung Electronics Repair Manual Figure 6 SDRAM Write Timing SCLK 1 SCKE ADDR BA AP A10 nGCSx nSRAS nSCAS nBEx nWE DATA tSAD tSAD tSCSD tSRD Trp Trcd tSWD tSDD tSDD tSBED tSCD...

Page 10: ...7 Samsung Electronics CIRCUIT DESCRIPTION Repair Manual Figure 7 SDRAM Write Timing SCLK SCKE ADDR BA AP A10 nGCSx nSRAS nSCAS nBEx nWE DATA tSAD 1 1 HZ tSAD tSCSD tSRD tSRD tSCD tSWD tSCSD tSAD Trp T...

Page 11: ...RCUIT DESCRIPTION Samsung Electronics Repair Manual Figure 8 SDRAM auto Refresh Timing SCLK SCKE ADDR BA AP A10 nGCSx nSRAS nSCAS nBEx nWE DATA tSAD 1 1 HZ tSAD tSCSD tSRD tSRD tSCD tSWD tSCSD tSAD Tr...

Page 12: ...onics CIRCUIT DESCRIPTION Repair Manual Figure 9 SDRAM Self Refresh Timing SCLK SCKE ADDR BA AP A10 nGCSx nSRAS nSCAS nBEx nWE DATA HZ tSWD HZ 1 1 1 1 1 1 1 tCKED tSAD tSAD tSCSD tSRD tSRD tSCD tSCSD...

Page 13: ...DRAM Row active Delay tDRD 11 ns DRAM Read Column active Delay tDRCD 11 ns DRAM Output enable Delay tDOD 12 ns DRAM read Data Setup time tDDS 1 ns DRAM read Data Hold time tDDH 5 ns DRAM Write Cas ac...

Page 14: ...as a Clock Source and it divides the Clock by every minute for mak ing hour minute second year month and day While the power is on and the Crystal is being oscillation the RTC Logic independently coun...

Page 15: ...e assert the STROBE line Figure 10 1 ECP Hardware Handshaking Timing forward 1 The host places data on the data lines and indicates a data cycle by setting nAUTOFD 2 Host asserts nSTROBE low to indica...

Page 16: ...The peripheral places data on the data lines and indicates a data cycle by setting BUSY high 4 Peripheral asserts nACK low to indicate valid data 5 Host acknowledges by setting nAUTOFD high 6 Peripher...

Page 17: ...cted when device is interfaced Interrupt transmission is used when small quantity of data is sent periodically Interval value may be known from device in the case of initial setting Bulk transmission...

Page 18: ...t Rising Edge of PLOAD PLOAD Pulse Duration is 50n and P line value of Holding Register is done AND with PENABLE signal in order to generate appropriate Fire Pulse PLCK is available for handling as mu...

Page 19: ...Figure 12 SYNCHRONOUS SERIAL INTERFACE TIMING DIAGRAM TBCS TBCLK TBDO Tcs sclk Tcs sclk bit 1 bit 2 bit 3 bit 4 bit 5 bit 6 bit 7 bit 8 bit 9 bit 10 bit 11 bit 12 bit 13 SDI stays at last value MSB L...

Page 20: ...3 17 Samsung Electronics CIRCUIT DESCRIPTION Repair Manual 3 3 2 11 GENERAL PURPOSE I O PORT of S3C46MOX Jupiter3 1 J3 Assigned GCS Ports 2 J3 Assigned GPI Ports...

Page 21: ...3 18 CIRCUIT DESCRIPTION Samsung Electronics Repair Manual 3 J3 Assigned GPO...

Page 22: ...ower supplied to XC61FN3112MR is unsta ble when it becomes 3 1V 3 038V 3 162V it is checked as the POWER FAILURE And the output terminal of XC61FN3112MRF becomes LOW 0V it is applied to S3C46MOX Jupit...

Page 23: ...nt hFE 120 300mA from the main power to operate SDRAM and it is driven by Switching TR Q8 which is controlled by F_POR signal Backup in a short period of electricity failure is guaran teed by using el...

Page 24: ...y the internal Boot ROM 256byte required for self initialization function too 1 Memory Map 2 Power On Off Reset Power On Reset Depending on the signal state of Reset_L pin35 OA 980 may be reset in the...

Page 25: ...o preparation mode to download execution file fro m Jupiter 3 Dow nlo ad e xecution file on SDR AM U27 fro m R eady RO M connected No R OM Download the execution file to SDRAM U27 from Flash Memory U9...

Page 26: ...980 it configured a circuit addi tionally so that mutual Interface may be possible by making required signal using two NOR GATE UR16 and one OR Gate U40 As REG_ADDR_VAL pin27 signal is the signal for...

Page 27: ...Channel is activat ed See Figure 17 Of course it performs required DMA register setting in Multiplexed 8bit Bus data address mode before DMA is accomplished 3 5 2 4 Scanner Interface Section PI It dir...

Page 28: ...it plays the role of saving them on the external SDRAM U27 The Data stored in the external SDRAM U27 is transferred to Head Control Part of Jupiter3 through MI and HI Block of OA 980 by DMA of Jupite...

Page 29: ...3 26 CIRCUIT DESCRIPTION Samsung Electronics Repair Manual 3 5 3 Copy Data Flow for OA 980...

Page 30: ...3 27 Samsung Electronics CIRCUIT DESCRIPTION Repair Manual 3 5 4 OA 980 I O PORT...

Page 31: ...3 28 CIRCUIT DESCRIPTION Samsung Electronics Repair Manual...

Page 32: ...ists of CCD_TG CCD_CLK1 CCD_CLK2 and CCD_RS the output of OA 980 U21 CCD_TG controls the scan line which is set variously according to copy mode color and mono and scan resolution CCD_CLK1 and CCD_CLK...

Page 33: ..._CLK 133ns 7 5MHz 133ns 7 5MHz VSMP MCLK 1 6 1 3 RA RB GA GB BA BB RA RB GA GB BA BB RA RB GA GB BA BB RA RB GA GB BA BB RA RB GA GB BA BB BA BB RA RB GA GB BA BB RA RB GA GB BA BB RA RB GA GB BA BB R...

Page 34: ...bit 1 bit 2 bit 3 bit 4 bit 5 bit 6 bit 7 bit 8 bit 9 bit 10 bit 11 bit 12 bit 13 SDI stays at last value MSB LSB Data Latcked on the rising edge of SCLK time Tdhd Tdsu Figure 21 SERIAL INTERFACE INPU...

Page 35: ...om side to side so that INK CARTRIDGE may print on the paper MOTOR TYPE PM DC MOTOR declination Drive voltage 30VDC Winding line resistance 12 2 Driver IC Thunderbolt 2 CR MOTOR drive 2 1 DC Motor ope...

Page 36: ...o bit7 bit No 13 signals among 13Bit Serial Port Inputs TBDO Signal coming into Thunderbolt ASIC transmitted from Jupiter III This Driver is driven by VBULK power source 30V and on terms of motor stal...

Page 37: ...bsolute Maximum Rating 2 DC Specification Name Description Condition Min Max Units V out DC Motor Driver Output Voltage 42 Volts I out DC Motor Driver Output Current 0 7 A Name Description Condition M...

Page 38: ...th 8bit data without parity bit UART line has two lines for Tx and Rx and the default level is in the high state For com munication the start bit low level is transmitted before 8bit data When the dat...

Page 39: ...of initial OPE ee H After power on generated only once UART communication OK b0 H Note 2 ERR c0 H LCD interface of OPE OK df H When failed in the interface once when succeeded first Note 2 ERR d0 H S...

Page 40: ...haracter LCD DATA TYPE b1 H NO OF DATA 2 DATA 26 H CHECK SUM b1h XOR 2 XOR 16h a5 h 1 LINE Change to 16 character LCD DATA TYPE b1 H NO OF DATA 2 DATA 26 H CHECK SUM b1h XOR 2 XOR 26h 95 h DEFAULT 2 L...

Page 41: ...ach Block consists of 8 Ports 1 Assignment of Port PAX PA0 RESERVED PA1 LED 1 PA2 RESERVED PA3 RESERVED PA4 RESERVED PA5 RESERVED PA6 RESERVED PA7 RESERVED 2 Assignment of port PBX PB0 Output LCD Enab...

Page 42: ...er Selection signals inside of modem and define the Modes CS PIN5 is a Modem Chip Selection signal RD PIN 7 is a control signal for reading and WR PIN6 is a control signal for writing IRQ PIN79 is a M...

Page 43: ...tone generation DTMF receive Tone detection with three programmable tone detectors Serial synchronous data Parallel synchronous data Automatic Rate Adaptation ARA in V 34 Half Duplex TTL and CMOS com...

Page 44: ...3 41 Samsung Electronics CIRCUIT DESCRIPTION Repair Manual 3 11 6 Signaling Rates and Data Rates...

Page 45: ...3 42 CIRCUIT DESCRIPTION Samsung Electronics Repair Manual 3 11 7 Modem Functions Interface Signals...

Page 46: ...hone Line Interface 28 TXA2 O DD Telephone Line Interface 78 RTS IA DTE Serial Interface 29 TXA1 O DD Telephone Line Interface 79 IRQ OA HOST Interface 30 VREF MI Modem Interconnect 80 VSS GND 31 VC M...

Page 47: ...modem to the telephone line Alternatively in a typical application OH is connected to the normally open Caller ID relay CALLID When the modem detects a Calling Number Delivery CND message the OH outpu...

Page 48: ...3 45 Samsung Electronics CIRCUIT DESCRIPTION Repair Manual FM336 Signals Definitions Cont d...

Page 49: ...3 46 CIRCUIT DESCRIPTION Samsung Electronics Repair Manual FM336 Signals Definitions Cont d...

Page 50: ...3 47 Samsung Electronics CIRCUIT DESCRIPTION Repair Manual FM336 Signals Definitions Cont d...

Page 51: ...A 90mA The characters of DC are defined as bellows with voltage of the Line input from the Gate input part of Q1 and R20 which is connected to the Source of Q1 VDCR VLI ILINEXR20 VDCR Tip Ring DC volt...

Page 52: ...adjusted to 33 66 of M B The DP signal is made by U6 PC817 and the current flows in the base of Q2 by Coupler controls on off func tion The DC current in telephone line is controlled by the on off of...

Page 53: ...2 ALL RIGHTS RESERVED 4 SHEET 2 SHEET 3 SHEET 4 MODEM PART JUPITER SCH MODEM SCH DRIV SCH SCANIP SCH SAMSUNG ELECTRONICS CO LTD G A REF NO C D E PARALLEL PORT PART G PARA SCH 1 8 2 3 4 P 6 C A B C 3...

Page 54: ...0 R145 CN14 23 CN14 33 GND12 CN14 11 CN16 2 100nF C119 C58 220pF 9 CN14 34 3 4 4 7K R146 100nF C66 100 1 8W R24 DGND CN14 7 CN1 18 5 1K R8 R23 47K DGND CN14 22 47pF C38 5V DGND 100 R29 CN1 12 INV_POWE...

Page 55: ...16W RA2 100 R95 100 R60 22pF C219 100nF C111 100 100 R86 R73 R56 100nF C91 100nF C92 100 C77 100nF DGND 4 7K R74 DGND R71 100 100 R72 3 3V DGND SD16150J7 10 000M X1 22pF C218 C70 100pF C217 0 68nF R6...

Page 56: ...pF C8 100nF C69 VB MC74VHC32DR2 U1 3 MC74VHC32DR2 U1 4 DGND 68K R12 VB U8 K4S641632D TC75 U1 1 MC74VHC32DR2 5 5V 5V R32 0 1 5K R17 3 3V U2 4 74VHC08MX DGND 100nF C4 100nF C18 C5 100nF DGND VB DGND DGN...

Page 57: ...R4 0 C34 R70 1nF 10K C16 22pF C72 22pF 820pF C83 GND30 30VB MC74VHC32DR2 U18 2 GND30 DGND 5V DGND 30VB 3 3V C24 47nF C23 47nF 30VA C63 5V 820pF 2401 000880 3 3V MC74VHC32DR2 U18 1 50V 220uF C28 22pF...

Page 58: ...2 1000nF C104 100nF C94 3 3V R118 1K 100nF BD8 C178 0 R119 1 TP33 1 TP26 MC74VHC32DR2 U18 3 1TP236 16V C127 10uF 100nF DGND C179 OA 980 U21 R116 4 7K DGND 100nF DGND C142 16V 10uF C129 3 3V 5V 3 3V TP...

Page 59: ...2 MMSD914T1 D7 DGND C155 100nF 27pF C122 1nF C166 10K R114 AGND DGND DGND 100nF C199 1nF C175 C149 100nF C134 5V 100nF C135 1nF 11 75VA 100nF C183 100nF C169 8 2K R129 AGND C132 100nF 1nF C189 R109 10...

Page 60: ...1 3 B C PARALLEL PORT PART SIGN 4 DGND 5V 100nF C192 C191 100nF 3 3V DGND U26 TC74LVX4245MTCX 3 3V HIC1 SUPER1284 RA8 39 100nF C195 5V U33 TC74LVX4245MTCX C190 100nF 5V 100nF C207 DGND DGND RA7 39 CD...

Page 61: ...4 9 Samsung Electronics SCHEMATIC DIAGRAMS Repair Manual 4 2 ADFCircuit Diagram SCX 1150F ADF 0 5 0 5 510...

Page 62: ...4 C3 222 2KBP06M DSC10D9 C5 400V120uF R3 1 4W 180K SSP5N80A C6 1KV331 R5 47K R4 1W0 42 MINI Q3 C1008 Y C8 103 D2 1N4148 PC1 PC123B ZD2 4 3VB C13 10V1000uF R14 6 8K R13 510 R15 6 8KF C10 1uF PC123B Mag...

Page 63: ...D5 GND5 R8 100 220 R21 GND5 D10 1N914 13 VAR4 ARS4 2 1 33nF C1 FGND 1N914 D11 1 5V P2 35303 0850 R48 VAR1 V82ZA2 5 GND5 P2 P2 2 R13 R20 7 GND12 5V 33 GND5 5V 30K 5V R7 1 2 4 3 5V ARS3 PC817C U6 12V 5V...

Page 64: ...MS Samsung Electronics Repair Manual 4 5 OPE Circuit Diagram TITLE SCX 1150F OPE Board CN1 10 CN1 11 CN1 9 CN1 5 CN1 3 CN1 4 CN1 12 CN2 1 CN1 1 CN1 2 CN1 8 CN1 7 CN1 6 CN2 2 CN1 13 CN2 3 CN2 5 CN2 4 C...

Page 65: ......

Page 66: ...ung Electronics Digital Printing CS Group Copyright c 2001 10 This manual is made and described centering around circuit diagram and circuit description needed in the repair center in the form of appe...

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