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Samsung SCX-1150F Repair Manual
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Samsung SCX-1150F Repair Manual

Samsung SCX-1150F Repair Manual

Inkjet printer(mfp)
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Download this manual See also: User Manual
Repair Manual
Repair Manual
INKJET PRINTER(MFP)
SCX-1150F
CONTENTS
1. Block Diagram
2. Connection Diagram
3. Circuit Description
4. Schematic Diagrams

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Summary of Contents for Samsung SCX-1150F

  • Page 1 Repair Manual Repair Manual INKJET PRINTER(MFP) SCX-1150F CONTENTS 1. Block Diagram 2. Connection Diagram 3. Circuit Description 4. Schematic Diagrams...
  • Page 2 BLOCK DIAGRAM 1. Block Diagram Repair Manual Samsung Electronics...
  • Page 3 CONNECTION DIAGRAM 2. Connection Diagram Refer to the Schematic diagram(See page 4-2) Repair Manual Samsung Electronics...

  • Page 4: Circuit Description

    (Sector 15 ~ Sector 18) Program Area(1MB J3 ROM Code :704KB used) (Sector 4 ~ Sector 14) 0x0000_0000 Backup Data(Sector 3:32KB) Not Used(Sector 1,2: 16 KB) Boot Rom Code(Sector 0 : 16KB) <Figure 1. S3C46MOX(Jupiter3) MEMORY MAP> Repair Manual Samsung Electronics...
  • Page 5 - /SCS1 : SDRAM(OPTION)(U12) CHIP SELECT (LOW ACTIVE) In case each Chip Select is low, it may Read or Write data. 3. D0 ~ D15 - 16BIT DATA BUS 4. A0 ~ A24 - ADDRESS BUS (A23 ~ A24 RESERVED) Repair Manual Samsung Electronics...
  • Page 6 CIRCUIT DESCRIPTION <Figure 2. Block Diagram of Main Part> Repair Manual Samsung Electronics...
  • Page 7 <Figure 3. Flash Memory Read Timing> EXTCLK tRAD tRAD ADDR tRCD tRCD nGCSx Tacs Tcah tRWD tRWD Tocs Tacc Toch nGCSx tRWBED tRWBED nBEx Tcos Toch tRDD tRDD DATA <Figure 4. Flash Memory Write Timing> Repair Manual Samsung Electronics...
  • Page 8 CIRCUIT DESCRIPTION SCLK SCKE ’1’ tSAD ADDR/BA tSAD AP/A10 tSCSD nGCSx tSRD nSRAS Trcd tSCD nSCAS tSBED nBEx tSWD tSDS DATA tSDH <Figure 5. SDRAM Read Timing> Repair Manual Samsung Electronics...
  • Page 9 CIRCUIT DESCRIPTION SCLK SCKE ’1’ tSAD ADDR/BA tSAD AP/A10 tSCSD nGCSx tSRD nSRAS Trcd tSCD nSCAS tSBED nBEx tSWD tSDD DATA tSDD <Figure 6. SDRAM Write Timing> Repair Manual Samsung Electronics...
  • Page 10 CIRCUIT DESCRIPTION SCLK SCKE ’1’ tSAD tSAD ADDR/BA tSAD AP/A10 tSCSD tSCSD nGCSx tSRD tSRD nSRAS tSCD nSCAS nBEx ’1’ tSWD DATA ’HZ’ <Figure 7. SDRAM Write Timing> Repair Manual Samsung Electronics...
  • Page 11 CIRCUIT DESCRIPTION SCLK SCKE ’1’ tSAD tSAD ADDR/BA tSAD AP/A10 tSCSD tSCSD nGCSx tSRD tSRD nSRAS tSCD nSCAS nBEx ’1’ tSWD DATA ’HZ’ <Figure 8. SDRAM auto Refresh Timing> Repair Manual Samsung Electronics...
  • Page 12 CIRCUIT DESCRIPTION SCLK tCKED tCKED SCKE tSAD tSAD ADDR/BA tSAD AP/A10 tSCSD tSCSD nGCSx ’1’ tSRD tSRD nSRAS ’1’ ’1’ tSCD nSCAS ’1’ nBEx ’1’ ’1’ tSWD ’1’ DATA ’HZ’ ’HZ’ <Figure 9. SDRAM Self Refresh Timing> Repair Manual Samsung Electronics...
  • Page 13 SDRAM read Data Hold time t SDD SDRAM output Data Delay t CKED SDRAM Clock Enable Delay < ROM/SRAM Bus Timing Constants > (V DDP : 3.3V, V DDI : 2.5V, Ta =25˚C, PLCAP=70pf, Max/Min=typ. ±30%) Repair Manual 3-10 Samsung Electronics...
  • Page 14 RTC is built-in at MFP Controller. RTC Logic at inner part of ASIC accepts Crystal (32.768KHz:X3), which is inputted from outside, as a Clock Source, and it divides the Clock by every minute for mak- Repair Manual 3-11 Samsung Electronics...
  • Page 15 4. Host sets nSTROBE high. This is the edge that should be used to clock the data into the Peripheral. 5. Peripheral sets BUSY low to indicate that it is ready for the next BYTES. 6. The cycle repeats, but this time it is a command cycle because nAUTOFD is low. Repair Manual 3-12 Samsung Electronics...
  • Page 16 6. Peripheral sets nACK high. This is the edge that should be used to clock the data into the host. 7. Host sets nAUTOFD low to indicate that it is ready for the next BYTES. 8. The cycle repeats, but this time it is a command cycle because BUSY is low. Repair Manual 3-13 Samsung Electronics...
  • Page 17 Also, in case 1, original data, is continued in 6 bit, 0 shall be inserted, Also, in the 1st phase of packet, data in the synchronized pattern shall be sent. About more detailed information regarding USB, see http//:www.usb.org. Repair Manual 3-14 Samsung Electronics...
  • Page 18 4MHz. Drive Current of P-line is 400mA. Data of P1°≠P4 is shifted to PDATAO, that of P5- P8 shifted to PDATA1, that of P9-P12 shifted to PDATA2, and that of P13-P16 shifted to PDATA3. Repair Manual 3-15 Samsung Electronics...
  • Page 19 3 bit 4 bit 5 bit 6 bit 7 bit 8 bit 9 bit 10 bit 11 bit 12 bit 13 TBDO last value time < Figure 12 SYNCHRONOUS SERIAL INTERFACE TIMING DIAGRAM > Repair Manual 3-16 Samsung Electronics...
  • Page 20 CIRCUIT DESCRIPTION 3-3-2-11 GENERAL PURPOSE I/O PORT of S3C46MOX(Jupiter3) 1. J3 Assigned GCS Ports 2. J3 Assigned GPI Ports Repair Manual 3-17 Samsung Electronics...
  • Page 21 CIRCUIT DESCRIPTION 3. J3 Assigned GPO Repair Manual 3-18 Samsung Electronics...
  • Page 22 And Counter value of Watch Dog Timer is changed by the program. Reset signal (/F_POR,UI5-106) shall be generat- ed, and entire system shall be Reset and initialized. < Figure 13. POWER RESET BLOCK DIAGRAM > Repair Manual 3-19 Samsung Electronics...
  • Page 23 C17 is charged. C31 helps to minimize the power drop in case of power change. D2 and R21 are supplied to RTC Power (U15-87) via VB2 for RTC Backup. Repair Manual 3-20 Samsung Electronics...
  • Page 24 Memory. This execution file is the ROM File supporting so that all functions of Image processing related to OA-980 as well as register setting value required for initialization(Copy, PC scan, MultiMediaCard Print) may operate normally. <Figure 14. OA-980 Block Diagram> Repair Manual 3-21 Samsung Electronics...
  • Page 25 Download the execution file to SDRAM (U27) from Flash Memory (U9) of Jupiter 3 Initialize OA-980 by the execution file downloaded on SDRAM (U27) & have it to enter in the operation mode. "R eady" <Figure 15. Boot Code Flow Diagram> Repair Manual 3-22 Samsung Electronics...
  • Page 26 OA-980, and when “Low, from the standpoint of Jupiter3, it may Read or Write One Byte Data using two Cycles by Reading or Writing relevant Data of (to) Address. <Figure 16. Hi Block Timing diagram(1)> Repair Manual 3-23 Samsung Electronics...
  • Page 27 Memory mode, as the appropriate DMA 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. <Figure 17. Hi Block Timing diagram(2)> Repair Manual 3-24 Samsung Electronics...
  • Page 28 /ACK signal section, BUS collision occurs between DMA of other block, it is conveyed to Image data freed from conden- Jupiter3 and /WR section, where /RD, /WR are all carried sation. out during /ACK. <Figure 18. PO Block DMA Timing Diagram> Repair Manual 3-25 Samsung Electronics...
  • Page 29 CIRCUIT DESCRIPTION 3-5-3 Copy Data Flow for OA-980 Repair Manual 3-26 Samsung Electronics...
  • Page 30 CIRCUIT DESCRIPTION 3-5-4 OA-980 I/O PORT Repair Manual 3-27 Samsung Electronics...
  • Page 31 CIRCUIT DESCRIPTION Repair Manual 3-28 Samsung Electronics...
  • Page 32 Therefore, the output signal from the CCD Module classifies the signals received by RGB channel according to each frequency band and uses each video signal(CN1) as the input data of ADC(U16). < TG, CLK,RS > Repair Manual 3-29 Samsung Electronics...
  • Page 33 (DEL = 11) <Figure 20. Color mode MCLK, VSMP> 16.5 MCLK PERIODS ADC_CLK VSMP OP[7:0] (DEL = 00) OP[7:0] (DEL = 01) OP[7:0] (DEL = 10) OP[7:0] (DEL = 11) <Figure 20-1. Color mode MCLK, VSMP> Repair Manual 3-30 Samsung Electronics...
  • Page 34 Data valid to SCLK set up time nsec Tdhd Data hold time nsec SDI rise time nsec SDI fall time nsec SCLK rise time nsec SCLK fall time nsec < Figure 21-1. SERIAL INTERFACE INPUT Timing Specification > Repair Manual 3-31 Samsung Electronics...
  • Page 35 Signal) coming into Thunderbolt ASIC transmitted from Jupiter-III. This Driver is driven by VBULK power source(+30V), and on terms of Motor Stall not being generated, it is designed to supply 750mA current, and 2.4A current to output ter- minal for maximum length of 100ms. Repair Manual 3-32 Samsung Electronics...
  • Page 36 Thunderbolt ASIC transmitted from Jupiter-III. This Driver is driven by VBULK power source (+30V), and on terms of motor stall not being generated, it is designed to supply current of 600mA, maximum 700A current to each phase of motor. Repair Manual 3-33 Samsung Electronics...
  • Page 37 Units V out DC Motor Driver Output Voltage Volts I out DC Motor Driver Output Current 2) DC Specification Name Description Condition Units I peak Peak DC Motor Driver Output Current Not Stalled 0.6A Volts Repair Manual 3-34 Samsung Electronics...

  • Page 38: Basic Concept

    DATA are received in the sequence of A,B,C, and D, and start data 8bit (D0 ~ D7) stop the Check sum to check if the transmission is made prop- erly will be found by doing XOR data from A to C. Repair Manual 3-35 Samsung Electronics...
  • Page 39 FAX_Black RESERVED (_6H) CANCEL Contrast FAX Forw RESERVED FAX_Color RESERVED (_7H) Receive Mode Search/Delete Redial/Pause RESERVED RESERVED (_8H) RESERVED RESERVED Ink Save RESERVED Paper Save RESERVED Toll Save Scan to <SCX-1150F OPE B’D KEY MATRIX> Repair Manual 3-36 Samsung Electronics...
  • Page 40 : b1h XOR 2 XOR 26h = 95 h DEFAULT : 2 LINE 16 Character LCD In case the MAIN does not change the LCD types, it is the Default LCD state of OPE MICOM. * SCX-1150F uses 1 LINE LCD. Repair Manual 3-37 Samsung Electronics...
  • Page 41 : LCD R/W -. PB2(Output) : LCD RS -. PB3(Input) : GND -. PB4(Input) : Unused (Pull-up) -. PB5(Input) : GND -. PB6(Output) : UART TXD in Main UART -. PB7(Input) : UART RXD from Main UART Repair Manual 3-38 Samsung Electronics...

  • Page 42: General Information

    The analog signal via Matching Transformer (600:600, T2) of LIU Bíd is directly transmitted to Receiving input RIN (PIN32) of modem. TXA1 MODEM FM336 (U19) TXA2 Matching Transformer(T2) LIU PBA MAIN PBA < Fax Transceiver > Repair Manual 3-39 Samsung Electronics...
  • Page 43 • NRZI encoding/decoding • Diagnostic capability • +3.3V operation with +5V tolerant inputs • +5V analog signal interface • Typical power consumption:- Sleep mode: 20 mW - Normal mode: 250 mWa • 100-pin PQFP package Repair Manual 3-40 Samsung Electronics...
  • Page 44 CIRCUIT DESCRIPTION 3-11-6. Signaling Rates, and Data Rates Repair Manual 3-41 Samsung Electronics...
  • Page 45 CIRCUIT DESCRIPTION 3-11-7. Modem Functions Interface Signals Repair Manual 3-42 Samsung Electronics...
  • Page 46 OA, OB = Digital output. I(DA) = Analog input. O(DD), O(DF) = Analog output. NC = No external connection required. RESERVED = No external connection allowed. Interface Legend: HOST = Modem Control Unit (Host) DTE = Data Terminal Equipment Repair Manual 3-43 Samsung Electronics...
  • Page 47 VC pin. The SPKR output can drive an impedance as low as 300 ohms. In a typical application, the SPKR output is an input to an external LM386 audio power amplifier. Repair Manual 3-44 Samsung Electronics...
  • Page 48 CIRCUIT DESCRIPTION FM336 Signals Definitions (Cont’d) Repair Manual 3-45 Samsung Electronics...
  • Page 49 CIRCUIT DESCRIPTION FM336 Signals Definitions (Cont’d) Repair Manual 3-46 Samsung Electronics...
  • Page 50 CIRCUIT DESCRIPTION FM336 Signals Definitions (Cont’d) Repair Manual 3-47 Samsung Electronics...
  • Page 51 AC Impedance of the LIU is basically 600ohm, and it is possible to make it as complex impedance by using C36, R47, and R48. - United States: vertical impedance ‡ 600W (±30%) CTR21: vertical impedance ‡ 270ohm + 750ohm//150nF (more than 1- 4dB) 3-12-2-3 MF Dialing Repair Manual 3-48 Samsung Electronics...
  • Page 52 Main BíD. C5 is the Ringer Capacitor and normally 1UF/250V is used. R3 is a resistance to control the AC current, and by controlling the R3, the REN value is adjusted to higher or lower. Repair Manual 3-49 Samsung Electronics...
  • Page 53 SHEET 7 SHEET 3 MODEM PART CONTROLLER PART MODEM.SCH JUPITER.SCH SHEET 8 SHEET 4 MEMORY PART PARALLEL PORT PART PARA.SCH MEM.SCH SHEET 5 DRIVER PART DRIV.SCH ED. DATE SIGN SCX-1150F Main Board REV 0.2 DIAGRAM REF NO Repair Manual Samsung Electronics...
  • Page 54 SIGN CN5-8 OPE_TXDD CN5-7 CN5-6 CN5-5 RB420D T147 R366 CN5-4 _OPE_RES TP78 TP367 TP366 CN5-3 LAMP_ON 2SC2812L6-TA CN5-2 R373 SCX-1150F CN5-1 4.7K FPC_24 Main Board CD74HCT244M DGND REV 0.2 DGND AGND GND12 DGND DGND DGND DGND DGND DGND CONNECTION REF NO...
  • Page 55 _TBCS C215 DGND DGND 3.3V C218 22pF 4.7K 4.7K R102 OK2PRT 0.32768MHz OPE_RXD OPE_TXD PH_ID2 C112 22pF _IP_REQ _IP_ACK _P_PICKUP COVER_OPEN 600ohm BEDA CHYY CHXX DGND DATE SIGN SCX-1150F Main Board REV 0.2 CONTROLLER REF NO Repair Manual Samsung Electronics...
  • Page 56 _SCAS MC74VHC32DR2 1.5K (UNUSED) 180K 2SC2812L6-TA 100nF DGND DGND 5.5V,5V CHXX 10uF 10uF R371 U2-1 100K 74VHC08MX DGND DGND DGND U2-2 74VHC08MX CHYY U1-4 MC74VHC32DR2 DATE DGND SIGN SCX-1150F Main Board REV 0.2 MEMORY REF NO Repair Manual Samsung Electronics...
  • Page 57 3.3V _CML_ON RECALL C121 TX_CTL 100nF RX_CTL _SPK_CTL DGND E_DP _GPIO_CS 30VA 30VB DGND U18-1 MC74VHC32DR2 120 ohm BEDA 0,5% DGND DGND DGND U18-2 MC74VHC32DR2 01.08.06 DATE SIGN SCX-1150F Main Board REV 0.2 DRIVER REF NO Repair Manual Samsung Electronics...
  • Page 58 1000nF DGND CCD_RS TP28 CCD_CLK2 TP26 CCD_CLK1 TP27 C114 100nF 100nF DGND C103 100nF AGND DGND MC74VHC32DR2 01.08.06 DATE ADDR(10) _WR_L SIGN U18-3 MC74VHC32DR2 _IP_ACK _IP_ACK0 SCX-1150F Main Board U18-4 REV 0.2 IMAGE PROCESS REF NO Repair Manual Samsung Electronics...
  • Page 59 100nF R167 SPK_OUT- AGND C169 R379 C132 100nF C211 100nF KEYCLICK AGND AGND AGND C212 MC34119DR2 TONE_CTL AGND MMSD914T1 C166 +3.0V DGND 01.08.06 DATE DGND KEYTONE DGND SIGN SCX-1150F Main Board REV 0.2 MODEM REF NO Repair Manual Samsung Electronics...
  • Page 60 _P_ACK P_BUSY SLCT P_PE P_SLCT _P_ERROR VOL_0 VOL_00 VOL_1 VOL_10 VOL_2 VOL_20 TC74LVX4245MTCX _P_STB _AUTOFD _P_AUTOFD _SLCTIN _P_SLCTIN _ERROR DGND DGND _INIT _P_INIT 01.08.06 DATE SIGN SCX-1150F Main Board REV 0.2 PARALLEL PORT PART REF NO Repair Manual Samsung Electronics...
  • Page 61 SCHEMATIC DIAGRAMS 4-2 ADFCircuit Diagram SCX-1150F ADF Repair Manual Samsung Electronics...
  • Page 62 D5=ER502 D1=1N4148 B2=BEAD SSP5N80A C8=103 CON1-3 R10=330 R11=180 D2=1N4148 +30V1.3A R13=510 R7=3.3KF PC123B C10=1uF R9=33 Q4=C1008 ZD3=5.6V CON1-4 Title MAGIC POWER SUPPLY CIRCUIT DIAGRAM (Magic-V3) Size Document Number {Doc} Friday, July 20, 2001 Sheet Date: Repair Manual 4-10 Samsung Electronics...
  • Page 63 Drawn by: 10uF L2-5 100nF 10uF 100nF City RECALL R&D CHK: Size: _E_DP TITLE: 35303-1450 SCX-1150F _CML1 DOC CTRL CHK: GND5 GND12 GND5 MFG ENGR CHK: 8 1 6 A TL Time Changed: QA CHK: REV: Drawing Number: Page: Changed by:...
  • Page 64 SCHEMATIC DIAGRAMS 4-5 OPE Circuit Diagram CN2-4 CN2-2 CN2-5 CN2-1 CN2-3 OPE_POW CN1-4 CN1-5 CN1-6 CN1-7 CN1-8 CN1-9 CN1-10 CN1-11 CN1-12 CN1-13 CN1-14 CN1-3 CN1-2 OPE_POW CN1-1 TITLE: SCX-1150F OPE Board Repair Manual 4-12 Samsung Electronics...

  • Page 66: Circuit Diagram

    This manual is made and described centering around circuit diagram and circuit description needed in the repair center in the form of appendix. Samsung Electronics Digital Printing CS Group Copyright (c) 2001. 10...