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Samsung SCX-1100 Service Manual

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SERVICE
INKJET PRINTER(MFP)
SAMSUNG
INKJET PRINTER(MFP)
SCX-1100
Manual
CONTENTS
1. Precautions
2. Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded Views and Parts List
6. Block Diagram
7. Connection Diagram

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Summary of Contents for Samsung SCX-1100

  • Page 1 SAMSUNG INKJET PRINTER(MFP) SCX-1100 SERVICE Manual INKJET PRINTER(MFP) CONTENTS 1. Precautions 2. Specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. Exploded Views and Parts List 6. Block Diagram 7. Connection Diagram...
  • Page 2 ITSELF system Samsung Electronics Co., Ltd. Printed in Korea. “http://itself.sec.samsung.co.kr” VERSION NO. : 1.02 CODE : JB-0023A - This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. -...
  • Page 3 Copyright Act. Specifications are subject to change without prior notice. Samsung Electronics Digital Printing CS Group Copyright (c) 2002. 3.

  • Page 4: Precautions

    5. Do not force to open or fasten plastic material compo- away from the part to which nents. it is latched. 6. Be careful that small parts such as screws should not get in the printer. Samsung Electronics...

  • Page 5: Esd Precautions

    ESD. 3. Use only a grounded tip soldering iron to solder or desol- der ESDs. Samsung Electronics...

  • Page 6: Tools For Troubleshooting

    Standard : For general home use, for medical ser- vice. Electronic Scale Standard: Equipment to check the weight of con- sumables supplied by Samsung Electronics. (The gram unit can be measured.) Cleaning Equipments a IPA(Isopropyl Alcohol)dry cloth or a soft stuff neutral detergent.

  • Page 7: Specifications

    2-2 Ink Cartridge Babbage mono standard Birch color Model No. Print Head 208 nozzles 192 nozzles Ink type Pigment Ink Color Black (Babbage) Color (Birch) Ink Yield about 1075 sheets (5% Pattern, A4) about 275 sheets (15% Pattern, A4) Samsung Electronics...
  • Page 8 Internal 36 bit, External 24 bit Optical Resolution (H x V) 600 x 1200 dpi Interpolation Resolution Max. 4800 dpi Pre-scan Mode Yes, 75 dpi Scan Speed about 2'30 sec/A4 True Color (Pentium II 300M, 64MB Memory, 300dpi) Samsung Electronics...

  • Page 9: Power Supply

    About 8.5 Kg (Machine itself) 2-7 Environmental Condition Absolute Storage Temperature C ~ 55 Absolute Storage Humidity 10% RH ~ 90% RH Recommended Temperature C ~ 40 Operating Condition Humidity 15% RH ~ 85% RH Note: (5) Packing Condition Samsung Electronics...

  • Page 10: Disassembly And Reassembly

    2. Open the front door from the main cover. 4. Pull the scanner ass'y upward then, unplug the two connectors and CCD cable. Note : You should connect or remove the CCD cable verti- cally to avoid the CCD cable pin damage. samsung Electronics...
  • Page 11 9. Unlatch the scan lawer securing the scan upper and remove it. 7. Remove five screws securing the OPE upper and 10. Remove the two screws securing the scan upper. unplug the one connector from the OPE panel. samsung Electronics...
  • Page 12 12. Remove the CCD cabl. 15. Remove two screws and take out the motor bracket. 13. Push the belt holder and take out the belt, as 16. Remove two screws securing the scan motor and shown below. remove it. samsung Electronics...

  • Page 13: Ope Unit

    Take out the LCD window from the OPE cover. 5. Remove the contact rubber from the OPE upper. 3. Remove five screws securing the OPE upper to the OPE PBA. 6. Remove the Key pad from the OPE upper. samsung Electronics...

  • Page 14: Rear Cover

    1. Before you remove the rear cover, you should 4. Remove the rear cover, as shown below. remove: • Scanner Ass'y (see page 3-1) 2. Pull the extension guide upward and remove it. 3. Remove four screws securing the rear cover. samsung Electronics...
  • Page 15 3. Remove the three screws securing the engine ass'y remove: and remove it. • Scanner Ass'y (see page 3-1) • Rear Cover (see page 3-5) 2. Unplug the SMPS connector and cover open sensor connector from the main PBA. samsung Electronics...
  • Page 16 • Scanner Ass'y (see page 3-1) Take out the ASF feeder. • Rear Cover (see page 3-5) • SMPS (see page 3-6) 2. Make sure the harness is released from the hooks, as shown below. samsung Electronics...
  • Page 17 2. Rotate to remove both springs securing the carrier shaft. Then take out the carrier shaft. 5. Push the holder pulley to the right and take out the belt. 3. Remove the C-cab. 6. Take out the cartridge carrier from the main frame. samsung Electronics...
  • Page 18 • Scanner Ass'y (see page 3-1) • Rear Cover (see page 3-5) • Engine Ass'y (see page 3-6) • ASF Feeder (see page 3-7) • Cartridge Ass'y (see page 3-8) 2. Unplug the one connector from the main PBA. samsung Electronics...
  • Page 19 (see page 3-5) • Engine Ass'y (see page 3-6) • ASF Feeder (see page 3-7) • Cartridge Ass'y (see page 3-8) 2. Unplug all connectors from the main PBA. 3. Remove the two screws securing the main PBA. 3-10 samsung Electronics...
  • Page 20 • Scanner Ass'y (see page 3-1) home ass'y from the main frame. • Rear Cover (see page 3-5) • Engine Ass'y (see page 3-6) • ASF Feeder (see page 3-7) 2. Remove one screw securing the home ass'y. samsung Electronics 3-11...

  • Page 21: Base Frame

    5. Unlatch the base frame ass'y by pushing the parts hooked to the main frame using a sharp tool, as shown below. 3. Take out the actuator feed from the main frame, as shown below. 3-12 samsung Electronics...

  • Page 22: Feed Roller

    (see page 3-7) • Cartridge Ass'y (see page 3-8) • Main PBA (see page 3-10) • Hold Roller (see page 3-11) • Home Ass'y (see page 3-11) • Base Frame (see page 3-12) • Feed Roller (see page 3-13) samsung Electronics 3-13...
  • Page 23 To return to normal user mode, press ENTER, LEFT, RIGHT, LEFT, SETUP in sequence again, or turn the power off, then on by unplugging and plugging the power cord. Because the explanation of the User Mode items is already mentioned at the User guide in detail, It will not be described at Service manual. Samsung Electronics...

  • Page 24: Rom Test

    Right Head Detect Left Head Type Right Head Type < Device Identification > MFG:Samsung; CMD:LNPAP; MODEL:SCX-1100; CLASS :Printer; DES:Samsung SCX-1100; < Dot Count Variables > Black Dot Count 2436256 Color Cyan Dot Count 1368128 Color Magenta Dot Count 1368128 Color Yellow Dot Count...
  • Page 25 The procedure is as follows : 1. Unplug power 2. Press and hold " SETUP" button 3. Plug power in 4. Continue holding " SETUP" button until CLEARING MEMORY message appears on LCD 5. Unplug power Samsung Electronics...

  • Page 26: Table Of Contents

    • The contents of this 'Service Manual' describe general ones only among many kinds of prob- lems and causes while using the Product. • The contents of this 'Service Manual' describe mainly technical explanations of the Product H/W and parts on the assumption that there is no problem in S/W. Samsung Electronics...

  • Page 27: Troubleshooting

    TECH mode. (Refer to 4-1-3) CCD ASS'Y. 2. Check if the resolution is set too low in PC Scan 2. If the resolution is set to low, let the user be acquainted options. (Refer to User's Manual.) with the using method well. Samsung Electronics...

  • Page 28: No Power

    ASS'Y from MAIN B'd. power ASS'Y and the Main B/D in sequence. ( +3.3V and +30V is supplied to POWER ASS'Y from MAIN B'd) 3. Check if POWER DOWN KEY in OPE ASS'Y is 3. Replace OPE ASS'Y working regularly. Samsung Electronics...

  • Page 29: Defective Lcd Operation

    2. Even after the key has been replaced, it is still wrong, 2. Check if a specific key is pressed by another equip- try to replace the OPE ASS'Y and the Main B'D in ment. sequence. Samsung Electronics...

  • Page 30: Paper Jam

    Feeder) is set up properly with the width of recording to replace the ASF ASS'Y. paper. 2. Check if too many sheets of recording paper are put into ASF (Automatic Sheet Feeder). (Standard: up to 100 sheets). 3. Check if the recording paper is crumpled or preprint- Samsung Electronics...

  • Page 31: Defective Paper Feed (2)-Display Of No Paper

    2. Even after the papers are loaded correctly, if multiple pled. sheets of paper are still fed at once, then try to replace the ASF ASS'Y. 3. Check if too many sheets of recording paper are put into ASF (Automatic Sheet Feeder). (Standard: up to 100 sheets). Samsung Electronics...

  • Page 32: Defective Sensing-Ink

    2. Even if the ENTER key on the OPE panel is pressed, it still cannot sense, then try to replace the Main B'D and LF Motor in sequence. Notes: The SCX-1100 Product has no paper sensor, instead it displays ERROR when it cannot pick up the paper. 4-10 Samsung Electronics...

  • Page 33: Defective Motor Drive (Lf)

    • Location 1.Main B'D 2.CR Motor Check and Cause Solution 1. Check if the connector of CR Motor is connected to 1. Try to replace the Main B'D, the CR Motor ASS'Y in the Main B'D normally. sequence. Samsung Electronics 4-11...

  • Page 34: Defective Motor Drive (Scan)

    1. Insert the paper with the copy side to be faced down. 2. Perform the CCD test in the service mode. 2. In case the output waveform is abnormal in the CCD (Refer to 4-1-3) test, replace the CCD ASS'Y, while replace the Main B'D in normal. 4-12 Samsung Electronics...

  • Page 35: Vertical Black Line (When Copying)

    1. If the CCD waveform is abnormal, try to replace the CCD ASS'Y. 2. Check the waveform by performing a CCD test. 2. In case the CCD waveform is normal but the print quali- (Refer to 4-1-3) ty is bad, try to replace the Main B'D. Samsung Electronics 4-13...

  • Page 36: Bad Printed Image

    • Location Cartridge Check and Cause Solution 1. Test and check the cartridge arrangement. 1. Perform the cartridge arrangement to set up black/color (Refer to 4-2) newly. Repeat it several times until you get the sufficient condition. 4-14 Samsung Electronics...

  • Page 37: Bad Color (Intensity)

    Memo pad, the WINDOWS basic program. Sometimes, the print out is normal within the WINDOWS basic programs, but it may not work in a specific program. In such case, reinstall the printer driver. Samsung Electronics 4-15...

  • Page 38: The Printer Is Not Working (2)

    'Test Print' button at the bottom of the file information tab. If normal characters are not printed again, the cable must be defective so replace the cable with a new one. 4-16 Samsung Electronics...

  • Page 39: Abnormal Printing

    • While installing the driver, Set and PC should be connected. (The printer setup may be wrong if they are not connected during installing.) • The SCX-1100 Model supports all the USB/Parallel Print, select the USB Port when using the USB, while select the LPT Port when using the Parallel.

  • Page 40: Spool Error And Release Of Spool Error

    Before choosing the docu- ment data, the document menu is still inactive. Or Hold the document in the waiting list and repeat the routine as the above or exit the Spool manager 4-18 Samsung Electronics...
  • Page 41 The are inscription type 2. It is recognized by Part character and front side of description. DIVISION PART CODE DESCRIPTION A/S Private **81-****** AS-***** (JB81-00039A) (AS-USE) ASS’Y Part **75-****** MEC-***** (JB75-00068A) (MEC-CHUTE) ASS’Y Part **92-****** PBA ****** (JB92-01131A) (PBA MAIN-CONTROLLER) ASS’Y Part **97-****** MEA ****** (JB97-01089A) (MEA UNIT-PULLEY IDLE) Samsung Electronics...
  • Page 42 Exploded View and Parts List 5-1 Main Assembly Exploded view Samsung Electronics...
  • Page 43 Exploded View and Parts List < Main Assembly Parts List > SA. : Service Available DESCRIPTION SEC CODE Q’TY REMARK SCX-1100 ELA-UNIT-OPE/SCANNER ASS’Y Refer to table below ELA UNIT-OPE ASS’Y(1100) Refer to table below ELA-UNIT-UNIT SCANNER(1100) MEA UNIT-FEEDER JB97-01535A PBA MAIN-MAIN JB92-01201A ELA UNIT-ENGINE ASS’Y...
  • Page 44 Exploded View and Parts List 5-2 Main Cover Assembly Exploded view Samsung Electronics...
  • Page 45 PM-COVER MAIN MEA-STACKER PMO-BASE STACKER JB72-01143A PMO-EXIT TRAY MIDDLE JB72-00978C PMO-EXIT TRAY EXTENSION JB72-00982C FOOT-RUBBER JB61-40901A MPR-FELT UPPER JB74-00014A MPR-FELT LOWER JB74-00015A CBF HARNESS-MAIN_COVER OPEN JB39-00116A SCREW-SPECIAL M3 X 8 mm O: Service available X: Service not available Samsung Electronics...
  • Page 46 Exploded View and Parts List 5-3 Scanner Assembly Exploded view 2-4-3 2-4-2 2-4-1 3-10 3-12 3-11 3-8-1 3-8-7 3-8-5 3-8-3 3-8-4 3-15 3-8-6 3-13 3-14 3-8-2 Samsung Electronics...
  • Page 47 CBF-FLAT CBL-CCD JB39-00132A 3-12 CORE-FERRITE 3-13 CBF-HARNESS-MAIN OPE JB39-00148A 3-14 CUSHION PAD-DAMPER JB69-00186A 3-15 CBF-HARNESS-SCAN MOTOR JB39-00147A SCREW-TAPPING M3 X 8 mm SCREW-TAPTITE M3 X 10 mm SCREW-TAPTITE M3 X 6 mm O: Service available X: Service not available Samsung Electronics...
  • Page 48 Exploded View and Parts List 5-4 OPE Unit Exploded view Samsung Electronics...
  • Page 49 SCREW-TAPPING M 3 X 8 mm SCREW-TAPPING M 2.5 X 5 mm SCREW-TAPTITE M 3 X 10 mm O: Service available X: Service not available MODEL ELA-UNIT-OPE ASS’Y PMO-OPE APANEL SCX-1100/XEF JB96-01342A JB72-01196A SCX-1100/XEP JB96-01342B JB72-01196B SCX-1100/XEU JB96-01342D JB72-01196D SCX-1100/XFA...
  • Page 50 Exploded View and Parts List 5-5 Engine Ass’y Exploded view 11-1 11-2 5-10 Samsung Electronics...
  • Page 51 CBF-HARNESS-DC MOTOR JB39-00094A SPRING-PS ENCODER JB61-70917A MEC-FRAME MAIN JB75-00349A MEC-FRAME HOME JB75-00174A MPR-SHEET ENCODER JB74-00024A SCREW-MACHINE SCREW-TAPPING M3 X 10 mm SCREW-TAPTITE M3 X 10 mm SCREW-TAPTITE M3 X 6 mm O: Service available X: Service not available Samsung Electronics 5-11...
  • Page 52 Exploded View and Parts List 5-6 Feeder Unit Exploded view 1-13 1-14 1-10 1-16 1-15 1-11 1-12 5-12 Samsung Electronics...
  • Page 53 PMO-ROLLER IDLER 1-15 RMO-BUCKLER FRICTION JB73-00019A 1-16 MPR-PAD FRICTION MEA UNIT-PICKUP ROLL JB97-00965A GEAR-PICKUP IDLER GEAR-DRIVE PICKUP PMO-HOUSING R PMO-PICKUP ROLL PMO-HOUSING L RMO-PICKUP RUBBER SCREW-TAPPING M2.6 X 6 mm O: Service available X: Service not available Samsung Electronics 5-13...
  • Page 54 SCREW-SPECIAL SM20C,P12,+,M3,L8,ZPC(YEL),MACHIN 5-8 SMPS Parts Lists DESCRIPTION SEC. CODE Q'TY SPECIFICATION LOCATION NO. TR-SMALL SIGNAL 0501-000010 "KSC1008,NPN,800mW,TO-92,TP,120-240" "Q3,Q4" AS-FET JB81-00229A "SCX-1100,FQU2N60,600V, 2A ,-,-,-,-,-" AS-DIODE_SCHOTTKY JB81-00231A "SCX-1100,SR204,40V, 2A,-,-,-,-,-" AS-DIODE_FR JB81-00232A "SCX-1100,ER502,200V, 5A,-,-,-,-,-" AS-DIODE_ZENER JB81-00233A "SCX-1100,MTZ9.1B,500MW (8.57V~9.01V),-,-,-,-,-" AS-DIODE_ZENER JB81-00234A "SCX-1100,1N4753A,1W 36V,-,-,-,-,-" AS-DIODE_BRIDGE JB81-00235A "SCX-1100,2KBP06M,600V, 2A,-,-,-,-,-"...
  • Page 55 6. Block Diagram Samsung Electronics...

  • Page 56: Connection Diagram

    CN5-12 CN5-11 CN5-10 TP363 _OPE_RST CN5-9 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 CN5-1 4.7K FPC_24 CD74HCT244M DGND DGND AGND GND12 DGND DGND DGND DGND DGND DGND Samsung Electronics...
  • Page 57 Repair Manual Repair Manual INKJET RINTER(MFP) SCX-1100 CONTENTS 1. Block Diagram 2. Connection Diagram 3. Circuit Description 4. Schematic Diagrams...
  • Page 58 BLOCK DIAGRAM 1. Block Diagram Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 59 CONNECTION DIAGRAM 2. Connection Diagram • Reffer to the Schematic diagram(see page 4-2) Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...

  • Page 60: Circuit Description

    (Figure 1)), and the areas actually used are 2M/8M BYTES SDRAM and 1M BYTES ROM(FLASH MEMORY). In case of SDRAM, it uses 0xC200000h ~ 0xC3FFFFFh(2MB), and ROM uses 0x0000000h ~ 0x0FFFFFh area. <Figure 1. S3C46MOX(Jupiter3) MEMORY MAP> Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 61 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 - This Document can not be used without Samsung's authorization -...
  • Page 62 CIRCUIT DESCRIPTION <Figure 2. Block Diagram of Main Part> Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 63 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 - This Document can not be used without Samsung's authorization -...
  • Page 64 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 - This Document can not be used without Samsung's authorization -...
  • Page 65 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 - This Document can not be used without Samsung's authorization -...
  • Page 66 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 - This Document can not be used without Samsung's authorization -...
  • Page 67 ’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 - This Document can not be used without Samsung's authorization -...
  • Page 68 ’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 - This Document can not be used without Samsung's authorization -...
  • Page 69 CKED SDRAM Clock Eable 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 - This Document can not be used without Samsung's authorization -...

  • Page 70: Ieee

    3-3-2-5 RTC (REAL TIME CLOCK) part The RTC related circuit part is not applied because the fax function is not applied, in this system. Repair Manual 3-11 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 71 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 - This Document can not be used without Samsung's authorization -...
  • Page 72 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 - This Document can not be used without Samsung's authorization -...
  • Page 73 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 - This Document can not be used without Samsung's authorization -...
  • Page 74 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 - This Document can not be used without Samsung's authorization -...
  • Page 75 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 - This Document can not be used without Samsung's authorization -...
  • Page 76 245DIR P1284 DIRECTION CONTROL nGCS6:nRAS0:nSCS0 reserved /GOP13 nGCS7:nRAS1:nSCS1 nSCS1 SDRAM1(16Mb) CHIP SELECT /GOP14 2. J3 Assigned GPI Ports Repair Manual 3-17 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 77 CIRCUIT DESCRIPTION 3. J3 Assigned GPO Repair Manual 3-18 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 78 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 - This Document can not be used without Samsung's authorization -...
  • Page 79 (See Figure 14 ) 3-5-1-1 Physical Core Process Drive power Package Design /frequency 8bit Micro- 0.35U 3.3V 208pin OASIS controller CMOS 75MHz <Figure 14. OA-980 Block Diagram> Repair Manual 3-20 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 80 PC scan, MultiMediaCard Print) may operate normally. 0x0100 SDRAM program store ..0xfbff SDRAM stack 0xfc00 ..0xffff HW registers Repair Manual 3-21 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 81 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 - This Document can not be used without Samsung's authorization -...
  • Page 82 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 - This Document can not be used without Samsung's authorization -...
  • Page 83 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 - This Document can not be used without Samsung's authorization -...
  • Page 84 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 - This Document can not be used without Samsung's authorization -...
  • Page 85 CIRCUIT DESCRIPTION 3-5-3 COPY DATA FLOW FOR OA-980 Repair Manual 3-26 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 86 CIRCUIT DESCRIPTION 3-5-4 OA-980 I/O PORT Repair Manual 3-27 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 87 CIRCUIT DESCRIPTION Repair Manual 3-28 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 88 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 - This Document can not be used without Samsung's authorization -...
  • Page 89 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 - This Document can not be used without Samsung's authorization -...
  • Page 90 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 - This Document can not be used without Samsung's authorization -...
  • Page 91 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 - This Document can not be used without Samsung's authorization -...
  • Page 92 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 - This Document can not be used without Samsung's authorization -...
  • Page 93 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 - This Document can not be used without Samsung's authorization -...

  • Page 94: Basic Concept

    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 - This Document can not be used without Samsung's authorization -...
  • Page 95 (_7H) ENTER RESERVED RESERVED RESERVED SCAN TO RESERVED RESERVED RESERVED (_8H) QUALITY RESERVED RESERVED RESERVED POWER RESERVED RESERVED RESERVED <SCX-1100 OPE B’D KEY MATRIX> Repair Manual 3-36 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 96 In case the MAIN does not change the LCD types, it is the Default LCD state of OPE MICOM. * SCX-1100 uses 1 LINE LCD. Repair Manual 3-37 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 97 LCD DISPLAY should not appear in OPE. At this point, Micom should be operated normally to recognize the Key when pressing the Power key again. [The same effect as Power save] Repair Manual 3-38 Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 98 SHEET 4 MEMORY PART PARALLEL PORT PART PARA.SCH MEM.SCH SHEET 5 DRIVER PART DRIV.SCH 01.08.06 ED. DATE SIGN SCX-1100 Main Board REV 0.2 DIAGRAM REF NO Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 99 2SC2812L6-TA CN5-2 SCX-1100 R373 CN5-1 4.7K Main Board FPC_24 CD74HCT244M REV 0.2 DGND DGND AGND GND12 DGND DGND DGND DGND DGND DGND CONNECTION REF NO Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 100 0.32768MHz OPE_RXD OPE_TXD PH_ID2 (Unused) C112 22pF _IP_REQ _IP_ACK _P_PICKUP COVER_OPEN CHYY CHXX DGND 01.08.06 DATE SIGN SCX-1100 Main Board REV 0.2 CONTROLLER REF NO Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 101 R371 U2-1 100K 74VHC08MX DGND DGND DGND (Unused) U2-2 74VHC08MX CHYY U1-4 MC74VHC32DR2 01.08.06 DATE DGND SIGN SCX-1100 Main Board REV 0.2 MEMORY REF NO Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 102 _GPIO_CS 30VA 30VB DGND U18-1 MC74VHC32DR2 0,5% 0,5% DGND DGND DGND (Unused) U18-2 MC74VHC32DR2 01.08.06 DATE SIGN SCX-1100 Main Board REV 0.2 DRIVER REF NO Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 103 DGND C103 100nF AGND DGND MC74VHC32DR2 01.08.06 DATE ADDR(10) _WR_L SIGN U18-3 MC74VHC32DR2 _IP_ACK _IP_ACK0 SCX-1100 Main Board U18-4 REV 0.2 IMAGE PROCESS REF NO Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 104 AGND AGND C212 MC34119DR2 TONE_CTL AGND MMSD914T1 C166 +3.0V DGND 01.08.06 DATE DGND KEYTONE DGND SIGN (Unused) SCX-1100 Main Board REV 0.2 MODEM REF NO Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 105 VOL_20 TC74LVX4245MTCX _P_STB _AUTOFD _P_AUTOFD _SLCTIN _P_SLCTIN _ERROR DGND DGND _INIT _P_INIT 01.08.06 DATE SIGN SCX-1100 Main Board REV 0.2 PARALLEL PORT PART REF NO Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 106 MMSD914T1 CN1-3 OPE_POW CN1-2 GND5 100nF 01.07.2 ED. DATE CN1-1 SIGN GND5 GND5 SCX-1100 OPE Board REV 0 .3 MAGIC SEC OPE PART REF NO Repair Manual Samsung Electronics - This Document can not be used without Samsung's authorization -...
  • Page 107 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 - This Document can not be used without Samsung's authorization -...
  • Page 108 Electronics - This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. -...
  • Page 109 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...

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