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Samsung ML-6050 Service Manual

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SERVICE

LASER PRINTER

LASER PRINTER
ML-6050
QwikLaser 6050
MANUAL
1. Precautions
2. Specifications
3. Reference Information
4. Disassembly and Reassembly
5. Troubleshooting
6. Exploded Views and Parts List
7. Electrical Parts List
8. Schematic Diagrams
CONTENTS

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Summary of Contents for Samsung ML-6050

  • Page 1: Laser Printer

    LASER PRINTER ML-6050 QwikLaser 6050 SERVICE MANUAL LASER PRINTER CONTENTS 1. Precautions 2. Specifications 3. Reference Information 4. Disassembly and Reassembly 5. Troubleshooting 6. Exploded Views and Parts List 7. Electrical Parts List 8. Schematic Diagrams...

  • Page 2: Schematic Diagrams

    EXMREQ 23 LSYNC* nCPUPSYNC EXMACK READY* nENGREADY EXTNWAIT R142 172 nCPUPRINT C301 PRINT* nSC5 nSRD0 144 VIDEO* VIDEO_OUT 220PF nSWR0 VCLK VCLK0 nSRD1 nSWR1 VCLK1 165 WTROUT 194 U36-2 U36-3 U36-4 WTROUT U35-6 74F14 74F08 74F08 74F08 Samsung Electronics Samsung Electronics...
  • Page 3 SLCON3P-TONER 1N4148 DLCON_24P-VIDEO 100NF +24VS1 +5VT +5VS +24VS1 5.6K 5.6K 5.6K 100NF SLCON3P-CLN U205-3 BDCORE PMOTOR 74LS06 LREADY HSYNC LDON U203-3 7407 SLCON11P C231 C503 47UF 10NF 10NF 100UF 100NF 100PF 100PF 10NF R517 CN10 SLCON2P-FAN PT_LAMP KSC1008 Samsung Electronics...
  • Page 4 SLCON2P-MHV U203-6 C230 R237 D223 2.2NF 16.2K 1N4148 C208 Q211 TRANS10P R209 R208 7407 33NF HS201 KSC1008 HEAT_SINK2 Q201 KSD526 +24VS1 U202 +18V +24VS1 KA7818 R217 R207 4.7M C226 C227 C228 C217 R204 100NF 100NF 100UF 10NF 4.7M Samsung Electronics...
  • Page 5 1.2K 1N4148 FEED S58VT 10NF 500V MLC AXIAL +24V CN104 PEMPTY MOTOR_EA S58VT 10NF MOTOR_PA 500V MLC AXIAL FAN_E MOTOR_PB MP_PAPER MP_CLUTCH DLCON_10P C506 47UF EXIT S58VT 10NF R512 R513 R514 PSIZE C502 S58VT 10NF 500V MLC AXIAL Samsung Electronics...
  • Page 6 KSD526 R507 D503 1N4003 Q500 KSC1008 LM324 U201-4 R505 C505 C501 R511 4.7nF 10nF 309K 1N4148 D502 VR205 100KOHM JP641 R501 +18V 2.2K R500 R502 Q501 KSA708 +18V R260 R250 R263 5.6K 2.2K U203-5 THVEA Q207 KSA708 7407 Samsung Electronics...
  • Page 7 SLCON4P-POW SMPS[V1] R112 C112 LOCATION DESCRIPTION 0.1UF C101 220NF,250V C102 47NF,250V ZD102 R114 C107 220UF,200V 5.1V 0.22 C111 R110 R111 C113 680PF 4.7K 4.7NF F101 125V/8A F151 125V/5A PC152,PC153 PC817 Q102 IRF840 T101 1900UH R114 0.1OHM,2W R106,R107 100KOHM,1/2W Samsung Electronics...

  • Page 8: Controller Diagram

    169 nENGHSYNC EXMREQ 23 LSYNC* nCPUPSYNC EXMACK READY* nENGREADY EXTNWAIT R142 172 nCPUPRINT C301 PRINT* nSC5 nSRD0 144 VIDEO* VIDEO_OUT 220PF nSWR0 VCLK VCLK0 nSRD1 nSWR1 VCLK1 165 WTROUT 194 U36-2 U36-3 U36-4 WTROUT U35-6 74F14 74F08 74F08 74F08 Samsung Electronics...
  • Page 9 +5V_3 GND3 nCAS(0) CAS(0) CAS(2) LCAS* VCC1 C181 C182 C183 SIMM VCC2 nCAS(1) 0.1UF 0.1UF 0.1UF CAS(1) VCC3 nCAS(2) CAS(2) 0.1UF 0.1UF 0.1UF nCAS(3) CAS(3) GND1 GND2 C109 C110 C111 C112 GND3 22PF 22PF 22PF 22PF KM416C1200 33UF/16V Samsung Electronics...
  • Page 10 VSS2 RCS2* VSS2 F_RD* VSS2 F_RD* VSS2 MBM29F800B MBM29F800B KM23C8105DG-L KM23C8105DG-H U34-3 WE(0) F_WE* C157 22PF 74F32 U34-1 WR_FLASH RCS0* 74F32 U34-2 R126 nRCS(0) RCS0* F_RD* nRCS(2) RCS2* 74F32 R125 C158 C120 C190 22PF 22PF 22PF C189 0.1UF Samsung Electronics...
  • Page 11 Schematic Diagrams Controller Diagram(4/10) OSC1 FILTER_22NF FILTER_22NF R143 OSCIN C177 R139 0.1UF 2 OSCOUT 0.1UF 68PF DXO-1H-66M C162 10UF REF_OFF REFOUT_RS0 R140 R129 2.2K R144 MODOUT_RS1 SYSCLK C167 18PF C176 C166 FS741 100PF 22PF 8-10 Samsung Electronics...
  • Page 12 5.1K 5.1K 5.1K 5.1K 5.1K FGND MC_ACK* MC_BUSY MC_PERROR MC_SELECT R150 PP_AUTOFD* C180 C178 C179 C163 C164 100PF 100PF 100PF 100PF 100PF CEN_5V R114 R115 R116 R127 PP_INIT* MC_FAULT* R128 PP_SELIN* C129 C128 C130 100PF 100PF 100PF Samsung Electronics 8-11...
  • Page 13 HSYNC* R274 PSYNRQ* R275 READY* EVIDEO* B114 CCLK* PRINT* R276 EMSG* R277 EXITP* R278 EBSY* CONN24 C347 C341 C346 C350 C345 C344 C343 C349 C342 C348 470PF 470PF 1000PF 470PF 470PF 470PF 1000PF 470PF 1000PF 470PF (N.A) 8-12 Samsung Electronics...
  • Page 14 U35-3 E2PROM_DI 74F14 U35-4 E2PROM_SK 74F14 E2PROM_DO 0.1UF U35-5 E2PROM_CS 74F14 93C66G C184 0.1UF LF10 FILTER_150PF C355 R149 0.1UF R124 LED(1) R123 LED(2) R122 LED(3) R291 LED(4) R120 PANEL_KEY CONN7 C147 C359 C146 C145 C144 CONN4 (N.A) Samsung Electronics 8-13...
  • Page 15 68PF 0.1UF C361 48MHZ 10UF REF_OFF R295 REFOUT_RS0 2.2K R294 R293 MODOUT_RS1 C362 18PF C365 C369 FS741 22PF 100PF U38-2 R177 74ACT32 WE(0) nECS1 U38-3 R178 74ACT32 C318 C319 100PF 100PF U38-1 74ACT32 C360 0.1UF U38-4 74ACT32 8-14 Samsung Electronics...
  • Page 16 C333 C334 0.1UF 47PF 68PF 47.7789MHZ 33UF/16V 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF 0.1UF U39-3 74F14 U39-5 HYPER BLOCK Multi Function Image Processor 74F14 U39-4 C325 0.1UF 74F14 U39-6 74F14 Samsung Electronics 8-15...
  • Page 17 D(2) 100PF D(3) RA100 D(4) R700 D(5) RA702 D(6) D(7) RA100 EIRQ0* RA100 B700 1 A(4) B701 1 A(5) C704 CONN20 100PF U700 74F32 U700 WE(0) 74F32 C701 C702 100PF 100PF U700 74F32 C700 0.1UF U700 74F32 8-16 Samsung Electronics...
  • Page 18 Schematic Diagrams 8-4. Flash SIMM 8-17 Samsung Electronics...
  • Page 19 *ENABLE2 A2918SWV OUT2 MOTOR_PB PHASE2 OUT3 SLCON4P 10NF 10NF 10NF DLCON_10P 330PF 820PF 0.33 0.33 820PF 330PF 5.6K +24V BDCORE 1N4003 SLCON2P-FAN FAN_E KSC1008 5.6K DIODE_3P +24V 1N4003 SLCON2P MP_CLUTCH 5101/8 5.6K KSC1008 DIODE_3P MP_PAPER SLCON3P DIODE_3P Samsung Electronics 8-18...
  • Page 20 Schematic Diagrams 8-7. PTL Diagram CONN2 8-19 Samsung Electronics...

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Qwiklaser 6050