Samsung ML-5200A Service Manual Download Page 74

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Schematic Diagrams

10-6

Samsung Electronics

Main Circuit Diagram(6/9)

Summary of Contents for ML-5200A

Page 1: ...nual LASER PRINTER CONTENTS 1 Precautions 2 Specifications 3 Disassembly and Reassembly 4 Troubleshooting 5 Exploded Views and Parts List 6 Electrical Parts List 7 Block Diagrams 8 Connection Diagrams 9 PCB Diagrams 10 Schemaic Dagrams ...

Page 2: ...V etc indicated on the marking label If you are not sure of the type of power source available consult your dealer or local power company 9 If you need to use an extension power cord with this printer make sure that it uses a three wire grounded cord and that the total ampere ratings for all of the products using the extension do not exceed the extension cord ampere rating Also make sure that the ...

Page 3: ...evice Be sure to remove the strap before applying power to the unit under test to avoid potential shock 2 After removing ESD equipped assembly place it on a conductive surface such as aluminum foil to prevent accumulation of an electrostatic charge 3 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESDs 4 Use only a ground tip soldering iron when sold...

Page 4: ...ography Laser Beam Resolution 600 X 600 DPI Memory Standard 4 Mb Expandable up to 68 Mb Operating Environment Temperature 10 32 5 o C Humidity 20 80 RH Storage Environment Temperature 20 40 o C Humidity 10 95 RH Weight Net 7 5 kg max Gross 9 5 kg max Dimension 365 W X 355 D x 251 H mm Certification Compliance CE TUV SEMKO NEMKO DEMKO C tick FCC UL CSA CDRH CB EPA 2 Specifications 2 1 General Samsu...

Page 5: ...s 0 1 ohm or less Voltage DIP Rated voltage 15 AC Impulse Noise AC 1000 V 10 100 200 400 1000 ns Leakage Current 3 5 mA or less Surge 0 5 4 kV 0 25 2 kA Ozone Emission 0 1 ppm or less 8 hours Top Cover Open Isolating the input power of the LSU high voltage part and fuser Overcurrent Protect Fuse inside the Engine Controller Fusing System Trouble Sensing The temperature doesn t rise to the specific...

Page 6: ...08 mm Bowed Line Skew S600 0909 pattern Special Paper Exception Image Density min 1 0 envelope Fusing min 70 all black envelope OHP postcard Paper Jam 1 2 000 or less Paper Curl First 16 mm or less 10 sheets After Cooling 12 mm or less 10 sheets 2 3 Print Quality Toner Cartridge Type One cartridge type Life Span Built in toner cartridge 3 000 pages at 5 coverage ML 5200A Optional toner cartridge 3...

Page 7: ...ncy A4 or Letter Manual feeder only Label paper A4 or Letter Manual feeder only Others Width 75 216 mm Length 125 356 mm Paper Tray or Manual feeder Feeding Source Paper tray and manual feeder Paper Weight 60 163 g m2 Input Paper Capacity Paper tray 150 sheets Manual feeder 1 sheet at a time Paper Stacker Capacity Face down 100 sheets Face up 1 sheet Paper Limitations Adhesive label sheets specifi...

Page 8: ... one of the covers removed Be sure to remove the toner cartridge before you repair parts Releasing Plastic Latches Samsung Electronics 3 1 Many of the parts are held in places with plastic latches The latches break easily release them carefully To remove such parts press the hook end of the latch away from the part to which it is latched ...

Page 9: ...1 Open the front cover with hand 3 Unlatch the front cover then remove the front cover 2 Remove a screw securing the front cover to the main frame 4 Unplug the connector from the front cover then remove the front cover 3 2 Face Up Cover and Front Cover ...

Page 10: ...p the tab to release the roller then take it out Cap 3 4 Top Cover and Rear Cover 1 Before you remove these covers you should remove Front cover see page 3 2 2 Remove five screws 3 Unlatch the tabs on the left and right side end of the cover then take out the rear cover 4 Remove two screws and remove the top cover Unlatch the tabs at both sides to remove the cover coin screw ...

Page 11: ...see page 3 3 2 Remove two screws on the back of the covers 3 Unlatch the left and right side covers and remove them 3 6 SMPS Board 1 Before you remove the board you should remove All covers see pages 3 2 3 3 3 4 2 Turn the printer upside down 3 Pull the PCB controller Ass y slightly 4 Remove foue screws and unplug all the connectors from the Shield then take out the SMPS board Shield ...

Page 12: ...remove All covers see pages 3 2 3 3 3 4 SMPS see pages 3 4 2 Unplug all the connectors from the Engine Control board remove five screws and take out the Engine Control board 5 Remove three screws and remove the Shield EMI 6 Remove three screws and unplug all the connectors frome the engine board then take out the engine board ...

Page 13: ...3 2 3 3 3 4 SMPS see pages 3 4 Engine Control board see pages 3 5 2 Remove two screws from the sensor board then remove the board 3 9 Gear Bracket 1 Before you remove the gear bracket you should remove All covers see pages 3 2 3 3 3 4 2 Remove six screws securing the gear bracket unplug the connector from the motor then remove the gear bracket ...

Page 14: ...ws then remove the motor Motor Gear bracket 3 11 HVPS Board 1 Before you remove the HVPS board you should remove All covers see pages 3 2 3 3 3 4 2 Remove four screws from the HVPS board 3 Unplug the connector from the HVPS board then remove the board Note When you reassemble the HVPS board make sure that the high voltage electrodes are placed correctly HVPS board High voltage electrodes ...

Page 15: ...3 2 3 3 3 4 2 Unplug two connectors remove four screws then take out the LSU LSU 3 13 Fuser 1 Before you remove the fuser you should remove All covers see pages 3 2 3 3 3 4 2 Remove one screw securing the wire cap at the left side of the frame unlatch the cap then remove the cap Wire cap Unlatch these tabs 3 Remove four screws ...

Page 16: ...g a proper tool 5 Slide the fuser in the direction of arrow and take it out 3 14 Upper Frame 1 Before you remove the upper frame you should remove All covers see pages 3 2 3 3 3 4 HVPS board see page 3 7 2 Remove six screws 3 Unlatch the front end of the frame then lift it up ...

Page 17: ...ickup Roller 1 Before you remove the pickup roller you should remove All covers see pages 3 2 3 3 3 4 Upper frame see page 3 9 2 Remove one screw pull the pick up bushing slightly toward you then rotate it clock wise 3 Remove the E ring at the right end of the roller 4 Remove a pin passing through a shaft to take out the pick up roller then push the roller shaft to the right Lift the left side of ...

Page 18: ...the SIMM connector on the control board 5 Push it firmly until it snaps into place Make sure both metal clips on the connector are fastened and the two pins on the connector are pushed through the holes on the SIMM Note When you disassemble the SIMM push out on the metal clips at each end of the connector and pull it toward you 6 Reassemble the shield cover 4 Hold the SIMM with the connection poin...

Page 19: ...ck connection to computer or replace controller Take out the cartridge and prepare the tester for electronic connection Repair or replace the GND terminal Check the path between video controller engine board and HVPS Repair or replace the defective component or board The mirror in LSU might be misplaced so the light path to the OPC deviates Repair or replace LSU or remove any defective matters in ...

Page 20: ... Repair or replace terminal Sealing tape is removed from the cartridge Replace HVPS or repair defective component Is the connection terminal OK Replace HVPS or repair defective component Repair or replace terminal Remove the tape Developing 320V and supplying 450V voltage are OK Replace the toner cartridge NO NO NO NO NO YES YES YES YES YES ...

Page 21: ...LSU Transfer part s contact is bad Repair or replace toner cartridge Does the video data line to LSU transit to High Low when printing Replace LSU Check the path among video controller engine board HVPS LSU for the shortage or open Repair or replace the boards Repair or replace HVPS Replace LSU NO NO NO NO YES YES YES YES 4 2 2 All Black ...

Page 22: ...sfer roller Toner material might be stuck to blade in the developer inside and it prevents toner supply Replace the developer Check both if the toner cartridge s counter is over its guaranty and amount of the toner material Replace the toner cartridge The ribs in fuser or toner on the roller may invoke the image problem Replace the fuser cover or the defective part The image is originally black or...

Page 23: ... voltage Works correctly after replaced LSU Repair or replace the defective component The power of LSU is set high or internal problem Replace LSU or adjust volume Same at Normal END NO NO NO Toner over supply due to the adjustment fault of metering blade in developer Replace developer NO YES YES YES YES 4 2 4 Dark Image ...

Page 24: ...ternal blade or suppying part of the developer is defective Replace the toner cartridge Check terminals or contacts and Guide Deve Spring are misplaced Repair or replace transfer roller etc Check if the LED of PTL in front of the transfer roller is on when it presses the top cover switch on purpose If not replace PTL Print 20 to 30 pages using the recommended paper Same problem occurs Adjust volta...

Page 25: ...replace HVPS Check and repair or replace the terminal contacts A specific part of the transfer roller has ruined or its resistance value is changed Replace transfer roller Transfer roller cannot force regularly due to the gears eccentricity of transfer roller Replace the defective component Bias voltage is OK 320V Operating storage temperature is too low or not recommended paper used Adjust the Bi...

Page 26: ...egular interval Black band is far about 10mm from white band Problem of internal contacts in OPC Replace developer The OPC is damaged under the direct sunlight for around 5 minutes If the same problem persists in 10 hours replace the developer This occurs when no Hsync at LSU Replace LSU 94mm interval Heat roller is ruined Replace the roller The OPC is damaged due to the irregular transfer voltage...

Page 27: ...age drops while printing Defective agitator in the toner supplying part of developer Replace the developer Check if the guide deve spring works OK and repair repalce Check high voltage output and repair replace terminals HVPS Replace lamp Clean the window of PTL Bad images aroung the no image area Irregualrity of toner suppy from developer Replace developer Light distortion due to the mirror ruine...

Page 28: ...he setting error of transfer voltage Adjust replace HVPS NO NO YES YES 4 2 10 White Spot Recommended OHP film used Inserted over than 10 films into the MPF When multi page OHP printng less than 10 films are guranteed Reduce the number of films and re insert after Paper check LED is off Use the recommended film When OHP printing does the fan temporarily stops and revolves Use the recommended film O...

Page 29: ...time Place the machine at normal temperature and re test While printing the voltage of pin 52 of U4 CPU on engine board is 2 7V 3 0V Thermistor s contact is OK Open the top cover When black printing is the fuser NIP width is 3 0 3 5mm The paper used is too thick or contains too much cotton in it Re test with the recommended paper Check if the hardness of P R and spring force is OK hardness 24 degr...

Page 30: ... as the rating Connections on board are OK Re connect firmly and re test The connection error between controller board and panel board or malfunction of boards Replace the boards Fuse of SMPS is open Shortage between 5V and GND or between 24V and GND Replace the fuse Toner cartridge is in the set Detect failure due to the board which detects top cover open or switch error Replace the board or swit...

Page 31: ...etc Replace the thermostat Check the PCI and fusing control part and CN202 on the engine board Replace the component or replace the engine board Measure the resistance at the both ends of AC line with covers open Remove the covers Re assemble the top cover and close it Thermistor connecting point or engine board defected Repair replace the component board NO NO NO YES YES YES 4 3 2 Fuser Error ...

Page 32: ...or and paper width detect sensor are assembled reverse Switch them The sensor defected Repair replace Too many papers in the feeder Paper guides fit the paper width Paper end curled Does the extender pulled out Recommendation Use the MPF for the thick paper such as envelope and cardstock Reduce the amount and re test Take out the paper and re insert Use the recommended and quality paper Pull out t...

Page 33: ...mended paper Check guide transfer is grounded Check the shutter prevents feeding Check the input path to the fuser such as mis assembly The actuator of paper exit sensor works OK Check the actuator exists and its operation and around the engine board Replace Is the paper rolled around the presseure roller Remove the fuser remove the paper and replace the pressure roller if necessary Feeds multiple...

Page 34: ...ved PRINT command from the video controller 30 Feed Sensor On It means that paper is passing the feed sensor 40 Feed Sensor Off It means that paper passed the feed sensor 50 Paper out It means that paper passed the exit sensor 69 Sleep Mode It means that the printer fuser is turned off and the power consumption is minimized ERROR STATUS CODE If the printer stops printing by any malfunction the DCU...

Page 35: ...to THV terminal 04 DEV SUPPLY HIGH VOLTAGE PTL ON There are output DEV and SUPPLY high voltage to each HV terminals the PTL lights At this time the left one of three LEDs Diagnostic Mode Indicator in the DCU lights and DEV HV is 300V To change this voltage push the UP button and two center and right of three LEDs light there are output 350V to DEV HV terminal 05 LSU OPERATING SYSTEM The scanning m...

Page 36: ... output of high voltages to each HV terminal and the LSU FAN operate In this mode the engine controller senses electric resistance of the transfer roller and output transfer high voltage corresponding to it If there isn t CRU in the machine THV output is 199V 2100V 14 THV REFERENCE ON If you push the ENTER button in this mode there is output 800V 10V to the THV terminal 4 4 4 Self Test Button When...

Page 37: ...5 Exploded Views and Parts List 5 1 Main Assembly 5 2 Front Cover Assembly 5 3 Motor Assembly 5 4 Fuser Assembly 5 5 Frame Assembly 5 6 Feeder Assembly Samsung Electronics 5 1 ...

Page 38: ...5 2 Samsung Electronics Exploded Views and Parts List 5 1 Main Assembly SAMSUNG 1 2 12 26 8 6 9 22 5 14 10 16 17 4 3 13 22 23 24 25 7 11 19 20 21 18 15 ...

Page 39: ... 9 PBA PWR HVPS TEPIN JC92 01174A 1 O 10 PBA MAIN TEPIN SMPS JC92 01189A 1 O 220V 11 PBA MAIN CTRL_TEPIN JC92 01166A 1 O 12 ELA UNIT FRAME UPPER JC96 01548A 1 O 13 ELA UNIT MOTOR JC96 01564A 1 O 14 PMO STACKER RX 1 X 15 PMO TRAY TX 1 X 16 PPR INSULLATOR PCU JC72 10922A 1 O 17 IPR SHIELD PCU 1 X 18 CBF AHRNESS INLET JC39 00057A 1 O 19 IPR SHIELD EMI 1 X 20 PMO STOPPER CONTROLLER JC72 00026A 1 O 21 ...

Page 40: ...5 4 Samsung Electronics Exploded Views and Parts List SAMSUNG SAMSUNG 7 8 9 6 5 3 2 4 1 0 5 2 Front Cover Assembly ...

Page 41: ...RONT COVER JC96 01573A 1 O COMMON 0 ELA HOU FRONT COVER JC96 01573D 1 O 5200A XEF 1 PMO FRONT COVER 1 X 2 NPR BADGE 1 X 3 PMO LENS LED 1 X 4 PBA SUB PANEL 1 X 5 PMO KEY 1 X 6 PMO GUIDE STACKR 1 X 7 PMO DUCT JC72 41171A 1 O 8 PPR SHEET PAPER GUIDE 1 X 9 PMO STOPPER JC72 41170A 1 O S A Service Available O Service available X Service not available ...

Page 42: ...5 6 Exploded Views and Parts List 5 11 13 12 10 9 4 3 6 8 7 2 15 1 0 17 18 16 20 19 14 21 5 3 Motor Assembly Samsung Electronics ...

Page 43: ... GEAR OPC DRV2 1 X 7 GEAR DRIVE2 1 X 8 GEAR DRIVE1 1 X 9 IPR BRKT MOTOR 1 X 10 MOTOR STEP 3103 001130 1 O 11 MPR WASHER SUPPLY 1 X 12 PMO AIRFOIL 1 X 13 CBF HARNESS 6 P 1 X 14 MPR POLYWASHER 8 ID8 1 OD12 1 X 15 SCREW MACHINE BH M3 L6 5 X 16 GEAR CLUTCH 104 1 X 17 PMO CLUTCH LEVER 1 X 18 SPRING CLUTCH 1 X 19 WASHER PLAIN ID 2 8 OD12 1 X 20 WASHER SPACER ID 7 1 OD9 1 X 21 WASHER PLAIN ID 2 8 OD5 2 1...

Page 44: ...Views and Parts List 1 2 3 3 2 3 1 5 2 5 1 5 2 5 2 3 3 4 3 5 1 1 1 19 1 25 1 2 1 3 1 20 1 21 1 24 1 4 1 23 1 5 1 22 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 5 4 Fuser Assembly Samsung Electronics ...

Page 45: ...W 4 X 1 14 MEP THERMODETECTOR 1404 000167 1 O 1 15 SPRING EXIT F UP 2 X 1 16 SPRING ES GUIDE CLAW 4 X 1 17 SPRING EXIT F DOWN 4 X 1 18 SHAFT IDEL F UP 2 X 1 19 NPR ELECTRODE_L AC 1 X 1 20 NPR ELECTRODE_R AC 1 X 1 21 THERMOSTAT 4712 000001 1 O 1 22 BRKT FUSER 1 X 1 23 GEAR EXIT 1 X 1 24 PMO COVER FUSER 1 X 1 25 NPR TEMINAL LAMP 1 X 2 PMO HOLDER EXIT DOWN 4 X 3 MEA ETC HOLDER P R JC97 01125A 2 O 3 1...

Page 46: ... Exploded Views and Parts List 1 2 2 1 2 2 2 3 5 17 5 16 3 4 5 4 1 4 2 3 1 3 2 5 1 5 4 5 3 5 2 6 7 5 6 17 5 5 8 18 9 10 11 12 19 13 14 15 16 15 4 15 3 15 1 15 2 5 3 5 7 5 8 5 10 5 9 5 12 5 13 5 15 5 15 5 11 5 5 Frame Assembly ...

Page 47: ... Y 1 X 5 10 ELA HOU VARISTER 1 X 5 11 IPR GROUND MOTOR 1 X 5 12 ACTUATOR EMPTY 1 X 5 13 PBA SUB OPTIC PE 1 X 5 14 MEA UNIT FRAME SUPPORT JC97 01244B 1 O 5 15 SOLENOID TEPIN JC33 10004C 1 O 5 16 IPR PLATE SAW 1 X 5 17 PMO HOLDER PLATE SAW 1 X 6 ASSY FEED SENSOR 1 X 7 ACTUATOR EXIT 1 X 8 COVER WIRE FU 1 X 9 SPRING HV SMALL 3 X 10 ICT SHAFT HV LARGE 3 X 11 ELA UNIT FUSE DEVE 1 X 12 CBF HARNESS POWER_...

Page 48: ...5 12 Samsung Electronics Exploded Views and Parts List 1 2 3 1 2 1 2 4 5 6 6 1 6 3 6 4 7 2 7 9 7 8 7 14 5 1 7 10 7 1 7 4 7 7 7 6 7 5 7 3 7 11 6 2 8 7 9 1 9 9 2 5 2 5 6 Feeder Assembly ...

Page 49: ...LAR CLUTCH1 1 X 6 3 SPRING SPRING CLUTCH 1 X 6 4 GEAR PICK UP 41 1 X 7 MEA UNIT PICK UP JC97 01130C 1 O 7 1 PMO CAM KNOCKUP L 1 X 7 2 ICT PIN P UP SHAFT 3 X 7 3 PMO GUIDE ROLL PA LA 2 X 7 4 IPR SHAFT FEED IDLER 2 X 7 5 PMO GUIDE PAPER FEED 2 X 7 6 PMO ROLLER FEED L 2 X 7 7 PMO GUIDE ROLL PAPER 2 X 7 8 PMO HOUSING PICK UP 1 X 7 9 RPR RUBBER PICK UP 1 X 7 10 ICT SHAFT PICK UP 1 X 7 11 PMO CAM KNOCKU...

Page 50: ...5 14 Samsung Electronics Exploded Views and Parts List MEMO ...

Page 51: ...7 2 R CHIP 1KOHM 5 1 10W DA TP 2012 2007 000468 R88 R97 10 R CHIP 1KOHM 5 1 10W DA TP 2012 2007 000468 R98 R103 R105 7 R CHIP 1KOHM 5 1 10W DA TP 2012 2007 000493 R189 R190 2 R CHIP 2 2KOHM 5 1 10W DA TP 2012 2007 000572 R168 1 R CHIP 220OHM 5 1 10W DA TP 2012 2007 000728 R175 1 R CHIP 300OHM 5 1 10W DA TP 2012 2007 000781 R108 R115 8 R CHIP 33OHM 5 1 10W DA TP 2012 2007 000781 R116 R118 R122 6 R ...

Page 52: ...1 C112 C113 3 C TA CHIP 10uF 20 16V TP 6032 2404 000468 C7 C104 C108 C110 C233 8 C TA CHIP 33uF 20 16V GP TP 7343 2804 001163 OSC3 1 OSCILLATOR CLOCK 20MHz 50ppm 10TTL CMOS ST 5V 2804 001278 OSC1 1 OSCILLATOR CLOC 48MHZ 100PPM 10 TTL CMOS ST 5V 40MA 2804 001335 OSC2 1 OSCILLATOR CLOCK 37 188789MHz 100ppm 10TTL CMOS BK 5V 50mA 2901 000229 F8 F17 10 FILTER EMI SMD 50V 300mA 22nF 4 5x1 8x3 2mm 2901 0...

Page 53: ...12 R36 R38 R41 R43 R51 R53 9 R CARBON 5 6KOHM 5 1 8W AA TP 1 8X3 2MM 2001 000812 R54 R55 R56 R67 4 R CARBON 5 6KOHM 5 1 8W AA TP 1 8X3 2MM 2001 000832 R14 R29 R71 3 R CARBON 510OHM 5 1 8W AA TP 1 8X3 2MM 2001 000857 R22 1 R CARBON 560OHM 5 1 8W AA TP 1 8X3 2MM 2001 000864 R69 1 R CARBON 56KOHM 5 1 8W AA TP 1 8X3 2MM 2003 000547 R11 R13 2 R METAL OXIDE S 1ohm 5 3W AA TP 6x16mm 2004 000345 R6 R18 R3...

Page 54: ...ML 80 JUMPER AWG22 52mm SILVER JC39 40511A J32 J33 J34 J35 J36 J37 J38 J39 J40 J41 10 CBF HARNESS ML 80 JUMPER AWG22 52mm SILVER JC39 40511A J42 J43 J44 J45 J46 J47 J48 J49 J50 J51 10 CBF HARNESS ML 80 JUMPER AWG22 52mm SILVER JC39 40511A J52 J53 J54 J55 J56 J57 J58 J59 J60 J62 10 CBF HARNESS ML 80 JUMPER AWG22 52mm SILVER JC39 40511A J63 J64 J65 J66 J67 J68 J69 J71 J72 9 CBF HARNESS ML 80 JUMPER ...

Page 55: ...1 000010 C559 1 C FILM PEF 100nF 5 100V TP 11 5x12 5mm 5 2301 000323 C501 C503 2 C FILM PEF 220NF 20 275V TP 18X8 5X26MM 22 5 2401 000183 C557 C558 2 C AL 1000uF 20 35V WT TP 12 5x25 5 2401 000532 C507 1 C AL 150uF 20 400V GP BK 22x35 10 2401 000603 C553 1 C AL 1uF 20 50V GP TP 5x11 5 2401 000698 C552 1 C AL 2200uF 20 16V WT TP 12 5x25 5 2401 001197 C511 1 C AL 33uF 20 50V GP TP 6 3x7 2401 002420 ...

Page 56: ...41A 1 PCB SEC_PANEL ML 5200A FR 1 1LAYER 1 6T 33 5x87 5mm JC92 01044A PBA SUB OPTIC PE 0604 001033 OP3 1 PHOTO INTERRUPTER TR 150mW DIP 4 ST JC39 40561A 1 CBF HARNESS 3P ML 5000A FLAT UL1061 170mm BLK JC41 10547A 1 PCB P EMPTY ML 5000A T1 6mm 100X100mm JC92 01201A PBA SUB SENSOR 0604 001144 2 PHOTO INTERRUPTER TR 25 100MW DIP 4 BK 2001 000362 R1 R3 2 R CARBON 150OHM 5 1 8W AA TP 1 8X3 2MM JC39 405...

Page 57: ... R D WR IOCS P LL Reset WDT Gen era ti on R OM SR AM FLA SH R OM C on trol 4 Bank GPIO I O Co ntrol 5 Bank Timer 3 CH To ne Genera to r Interr up t Control 4 E xte rn al VIS En gin e Co mm I F CPU Bu s In te rface Blo ck Systerm Bus Interface B loc k Arb iter EDO FPM D RA M Cont r ol 4 B ank G EU D M AC 2 C H A D Bu s CP U Data BUS CP U Addr BUS S ys Addr BUS S ys Cntl BUS S ys Data BUS PVC PPI H ...

Page 58: ...N HV PS CHA R G ER DEV ELO PE PWM TON ER SUPPLY BLA D E RO LL TRA N SFER PWM TRA N SFER N EG A TIV E REA D TRA N SFER V f PA PER SEN SE EX I T SEN SE REG I SEN SE COV ER OPEN LSU LSU INTERFACE 24V 5V V I D EO CO N TR O LLER BO A RD 24PIN MOTOR HVPS LSU FA N CLU TCH DIAG NOSTI CBO A RD FO R M AN UFACTURING ENGINE BOARD 600 W 180 Laser beam i s shutt er ed mechani cal l y LASER BEAM S W2 SW1 u switc...

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Page 60: ... e 5 e e 7 X g L g f Le e3 H J 5 e 0MI4 1 g g f MI 1e eN 5e 7 H e g O2 6K J M g g H g f HeN e e 0Ye f f W2 6X 7 Hh 3 g h f V4 e e fI40Mf M f f 7 1 he g L g f 5 gJ e f MfI 3 hW g 1 g f 0Y g7 5e e f H f N N 6Kf O 5 g 5 g 0Ye e f h 3 H g h e e 6X h f 3 5 V 5 W2 6K g 1 g e e 1 h f V Y V4 0Y W g g e e h gV4 0Y I4 0M 7 g g fW2 6Xe e 6X e W2 g 5 g f7 1e e3 1 e W2 e 7 g H g f3 e eV4 e 7 e g h fV4 0Mhe e f...

Page 61: ...Y T Ye O Ye W Ye W Y W Y eW Y eW Y eW YeW Ye W Ye W Y J 1he H 3 1 I4 0M V4 L 7 5 W Y eW Y eW YeW Ye W Ye W Y W X J f7 e 1f 3 e 1e J 1e hfJ hf 5 1 V H V Y W2 Y eW Y eW YeW Ye W Ye W Ye W Y W Y eW Y eW YeW he 5 N I X J H W Ye W Ye W Y W Y eW Y eW YeW X 7 L e Le L e V4 e e 7 e hf7 hf 0Y L V J YeW Ye O Ye W Y W Y eO Y eO H eW YeW Ye O Ye O Y W he J H 3 L N X W 5 W26K W Y eW Y eW YeW Ye W Ye W Y W Y V ...

Page 62: ...2 6 K h e H e N V 4 0 M g V Y h f I 4 0 M O 2 6 K O 2 6 K W 2 6 X W 2 6 X h e f V Y W 2 6 X W 2 6 X W X W X h e L I 4 e J V Y 7 1 7 1 7 1 7 1 h e 1 J L J L J h 7 5 V 4 0 Y J L J L J J L h e O K O K O 3 h J H 7 1 7 1 7 L 7 1 h e V 4 h 7 5 1 h e 0 M f I 4 0 Y h e M h e I 4 3 h e Y h f I V 4 0 M I M I 4 0 M O K O 2 6 K 5 h e Y V W 2 6 X e O 2 6 X g W 2 g g O 2 6 K g 6 X H h e Y N 7 K O 2 g 7 L g g 6 ...

Page 63: ...PCB Diagrams Samsung Electronics 9 5 9 5 HVPS PCB Diagram TOP ...

Page 64: ...W 2 6 X N h f h 3 K O 7 K O e N 2 5 e 7 Y 7 1 O 2 6 K W X f 7 1 f 7 1 f 7 1 h f W 2 h N 5 3 5 e 3 H J 3 5 O 2 6 K W 2 6 K f W 2 6 X e W 2 6 X f W 2 6 X 7 X f 5 f 5 f 3 5 h f 7 h 3 Y V Y e V 5 e 7 V 4 0 Y W 2 6 X 7 f 7 1 e 7 1 f W X J 1 e J M I 4 0 Y f M I 4 0 Y f V 4 H h f h V 4 0 Y f V 4 0 Y f V 4 0 Y e W X L e 5 e 5 f 7 1 7 M e e 7 h J W 5 h f h W X e I 1 e 0 4 0 Y e 0 4 0 Y e J 0 L J H e 3 e K ...

Page 65: ... J fV 1e W Y 7 Y V 1 S 7 L 7 Y hfV h g J Y hf N 7 Mg V e 7 H J H N O2 Y 3 1 H N h g 7 Y L L H h e J 5 7 3 L W2 6X V4 3 h g H 3 L e O e W Y 5 N 1 W X N h g 3 H 3 KC e e 7 H H 7 1 5 L J h g N L 7 1 L V Yf 5e J 5 J M f I 3 L J H 3 1 7 h h 1 5 1 V Ye 7 Y J 7 HhN N 1 7 5 N L L J h h L J H 5 V4 0Y e H 7 5 hJ L J H 3 1 J K hfO h h K hfO I4 0M g 3 g O O26K 3 K he O N L 7 h J h 1 3 1 N 6KO2 W2 6X N 5 3 X J...

Page 66: ... J V X 5 hf V4 0Y W2 6X 6K fN f he f eO H N 1 I4 0M W X 6K e f he O2 6K fO2 6K f 3 3 L 1 hfW X W 1 I4 6K 6X he e f V V X hf7 Xg 6X 7 0M I4 O26K O2 6XeW2 6X eI4 1 he J eJ L gV4 0M V X hf K f 1 h L W2 f W2 6X fW X h 1e7 1 fI4 5 he fW2 7 0 4 L 7 1 J N 1 hf 6X e L h 7 f 7 1 f7 1 g J e gI4 eI 0Y he f f Me 7 3 L hf XfI 1 LhJ H J fJ Lf LgW hI4 e N he fV4 5 f 0Y Y e3 L V X 5 hf X e N X f W 7 5f7 MI 1e J K...

Page 67: ... 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 24V 24VS 24V 24VS LREADY THV_EA VDO THV HSYNC MHV 1200SEL SUPPLY LDON DEV GND_5V GND_5V GND_5V 5V GND_24V 5V GND_24V GND_24V THVREAD PMOTOR N C EBUSY EXITPAP EMSG PRINT CCLK GND VIDEO READY PSYNC GND HSYNC CMSG VCC VCC VCC VCC GND GND GND GND GND N C N C CN 11 CLUT CH CLUTCH 24V MOT OR 1 2 3 4 5 6 CN 3 HSYNC 5V D_GND LDON VDO 1 2 3 4 5 ...

Page 68: ...MEMO Samsung Electronics 8 2 ...

Page 69: ...10 1 Main Circuit Diagram 1 9 Samsung Electronics 10 1 10 Schematic Diagrams ...

Page 70: ...Schematic Diagrams 10 2 Samsung Electronics Main Circuit Diagram 2 9 ...

Page 71: ...Main Circuit Diagram 3 9 Samsung Electronics 10 3 Schematic Diagrams ...

Page 72: ...Schematic Diagrams 10 4 Samsung Electronics Main Circuit Diagram 4 9 ...

Page 73: ...Main Circuit Diagram 5 9 Samsung Electronics 10 5 Schematic Diagrams ...

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Page 75: ...Main Circuit Diagram 7 9 Samsung Electronics 10 7 Schematic Diagrams ...

Page 76: ...Schematic Diagrams 10 8 Samsung Electronics Main Circuit Diagram 8 9 ...

Page 77: ...Main Circuit Diagram 9 9 Samsung Electronics 10 9 Schematic Diagrams ...

Page 78: ...Schematic Diagrams 10 10 Samsung Electronics 10 2 Engine Circuit Diagram 1 2 ...

Page 79: ...Engine Circuit Diagram 2 2 Samsung Electronics 10 11 Schematic Diagrams ...

Page 80: ...Schematic Diagrams 10 12 Samsung Electronics 10 3 SMPS Circuit Diagram ...

Page 81: ...10 4 SENSOR Circuit Diagram Samsung Electronics 10 13 Schematic Diagrams ...

Page 82: ...Schematic Diagrams 10 14 Samsung Electronics 10 5 PTL Circuit Diagram ...

Page 83: ...10 6 HVPS Circuit Diagram 1 3 Samsung Electronics 10 15 Schematic Diagrams ...

Page 84: ...Schematic Diagrams 10 16 Samsung Electronics HVPS Circuit Diagram 2 3 ...

Page 85: ...HVPS Circuit Diagram 3 3 Samsung Electronics 10 17 Schematic Diagrams ...

Page 86: ...ELECTRONICS Samsung Electronics Co Ltd March 2000 Printed in Korea VERSION NO 1 00 P N JC 0002A ...

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Summary of Contents for ML-5200A

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Samsung ML-5200A, Service Manual

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Summary of Contents for ML-5200A

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