Samsung ML-5100A, Service Manual

Page 1: ... LASER PRINTER ML 5100A Manual LASER PRINTER CONTENTS 1 Precautions 2 Specifications 3 Disassembly and Reassembly 4 Troubleshooting 5 Exploded Views and Parts List 6 Electrical Parts List 7 Schematic Diagrams ...

Page 2: ...175 GPIO0 GPIO1 176 187 GPIO10 GPIO11 188 189 GPIO12 GPIO13 190 GPIO14 191 192 25 GND1 1 71 GND10 GND11 88 GND12 104 105 GND13 GND14 119 120 GND15 GND16 134 154 GND17 GND18 155 157 GND19 2 GND2 GND20 159 174 GND21 GND22 193 205 129 DA10 139 140 DA11 DA12 141 DA2 130 131 DA3 DA4 132 133 DA5 135 DA6 DA7 136 137 DA8 DA9 138 DSR 148 149 DTR 24 EXMACK EXMREQ 23 EXTNWAIT D24 D25 106 107 D26 108 D27 D28 ...

Page 3: ... DQ7 26 36 DQ8 DQ9 49 1 DQ12 DQ13 57 61 DQ14 DQ15 63 65 DQ16 DQ17 37 3 DQ18 DQ19 5 6 DQ2 7 DQ20 DQ21 9 21 DQ22 DQ23 23 25 DQ24 DQ25 27 35 DQ26 DQ27 18 28 A7 A8 31 32 A9 29 BS0 BS1 46 66 BS2 BS3 71 40 CAS0 CAS1 43 41 CAS2 CAS3 42 2 DQ0 DQ1 4 51 DQ10 DQ11 53 55 SIMM J7 10 5V_1 5V_2 30 59 5V_3 A0 12 13 A1 A10 19 A2 14 15 A3 A4 16 17 A5 A6 0 1UF C35 R71 10 C112 22PF 10 R75 R55 10 22PF C109 10 R77 10 R...

Page 4: ...2 19 21 D3 D4 24 26 D5 D6 28 30 D7 D8 16 18 D9 OE 14 44 RESET 1 RY_BY 23 VCC 13 VSS1 VSS2 A18 9 A2 A3 8 7 A4 A5 6 5 A6 A7 4 42 A8 A9 41 BYTE 33 12 CE D0 15 17 D1 D10 20 22 D11 D12 25 27 VCC MBM29F800B U32 11 A0 A1 10 40 A10 A11 39 38 A12 A13 37 36 A14 A15 35 34 A16 A17 3 2 R95 68 22PF C190 C121 22PF 0 1UF C187 R145 0 C188 0 1UF U34 3 74F32 9 10 8 VCC 74F32 U34 4 12 13 11 VCC 22PF C157 68 R84 SEL2 ...

Page 5: ...OSCOUT 2 7 REFOUT_RS0 3 REF_OFF VDD 8 5 VSS 2 2K R129 C166 18PF C167 U29 FS741 LF 4 VCC 10 R143 LF5 FILTER_22NF 1 2 3 10UF C162 R144 33 1K R139 4 VCC 0 R148 C48 68PF DXO 1H 66M OSC1 CLK 3 2 GND NC 1 10 R34 FILTER_22NF LF1 1 2 3 SYSCLK 0 1UF C8 7 5 Samsung Electronics Schematic Diagrams ...

Page 6: ...3 A24 24 25 A25 A26 26 R108 1K C3 33UF 16V SENT36 J1 A1 1 10 A10 A11 11 100PF 1K R104 R112 5 1K CEN_5V 5 1K R110 R105 1K C164 R113 5 1K 33 R40 100PF C169 FGND 33 R93 33 R127 C5 5 7 C6 C7 8 9 C8 C9 10 6 GND1 GND2 16 C128 100PF U33 74F1071 C1 1 11 C10 C11 12 13 C12 C13 14 15 C14 C15 17 18 C16 C17 19 20 C18 2 C2 C3 3 4 C4 33 R114 1K 5 1K R109 100PF C172 R89 100PF C174 1NF C139 1K R103 R36 33 5V2 100P...

Page 7: ... 10K 10K R47 C142 1NF 470PF C135 C4 33UF 16V VCC R50 10K 470PF C132 R62 100 10K R49 10K R51 R60 100 C134 470PF 470PF C137 23 24 3 4 5 6 7 8 9 100 R63 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 EVIDEO CBSY EBSY EXITP EMSG PRINT CCLK PSYNRQ READY CMSG HSYNC J5 CONN24 7 7 Samsung Electronics Schematic Diagrams ...

Page 8: ...F VCC 74F14 U35 5 11 10 U12 93C66G CS C145 C146 1NF 33UF 16V C159 0 R124 J2 CONN7 1 2 3 4 5 6 7 1NF R120 180 74F14 U35 3 5 6 0 1UF C184 74F14 U35 4 9 8 VCC 1K R149 C46 0 1UF R123 0 VCC R53 1K PANEL_KEY E2PROM_CS E2PROM_SK E2PROM_DI E2PROM_DO RXD TXD LED 1 LED 2 LED 3 7 8 Samsung Electronics Schematic Diagrams ...

Page 9: ...0 0 1UF C345 R190 1K 1K R191 10K R172 33 R165 C342 68PF R176 0 B1 R189 2 2K 0 R179 FS741 U42 4 LF 6 MODOUT_RS1 OSCIN 1 2 OSCOUT REFOUT_RS0 7 REF_OFF 3 8 VDD VSS 5 22PF C344 4 VCC 8 VCC VCC C322 0 1UF 48MHZ OSC3 CLK 3 2 GND NC 1 VCC 74ACT32 U38 4 12 13 11 U38 3 74ACT32 9 10 14 15 D7 5 DRQ GND1 17 GND2 21 GND3 23 INTR 4 MODE0 25 24 MODE1 18 V3 3 22 VCC1 XIN 26 XOUT 27 0 1UF C336 U37 1 CS DACK 6 RD 2...

Page 10: ...1 PV0CLK 43 PV10 PV11 44 46 PV12 PV13 5 7 PA2 PA3 8 9 PA4 PA5 10 11 PA6 PA7 13 14 PA8 PA9 15 PCSN 3 16 PD0 PD1 18 19 PD2 PD3 20 22 PD4 PD5 23 25 97 GND2 17 24 GND3 GND4 30 32 GND5 GND6 45 52 GND7 GND8 68 72 GND9 59 LCIN LCOUT 60 LSYNC 95 93 LSYNCN 56 NTOUT OSCIN 55 4 PA0 PA1 64 65 CB7 82 CBVIDEO CELLHALFCLK 74 CLKOUT 57 CLOCKBD 83 CNTATCLK0 66 67 CNTATCLK1 69 CNTATCLK2 CNTATCLK3 70 FSINC 96 2 GND1...

Page 11: ...7 2 OPE Panel 7 11 Samsung Electronics Schematic Diagrams ...

Page 12: ...7 3 Engine 1 3 7 12 Samsung Electronics Schematic Diagrams ...

Page 13: ...Engine 2 3 7 13 Samsung Electronics Schematic Diagrams ...

Page 14: ...Engine 3 3 7 14 Samsung Electronics Schematic Diagrams ...

Page 15: ...7 4 Joint Board 7 15 Samsung Electronics Schematic Diagrams ...

Page 16: ... R424 4M 1 2W C403 50V R408 47K R413 4M 1 2W R418 4 7M 1 2W 18V 24VS C2 50V C1 50V R132 33K 1 4W R128 3 3K Q110 C3198 R131 10K R126 10K R127 33K Q109 A708 Y R129 2K R130 2 2K 18V 24VS DEV EA B R405 93 1K C401 50V R403 200K R406 16 2K R401 33K ZD406 100V R402 33K ZD409 100V ZD408 100V ZD407 100V 24VS MHV DEV Q401 KSC1008 VR401 20K MF 1 6W 4 9 5 1 2 Date 1998 06 29 Document Number 9717 08B Rev 1 4 S...

Page 17: ... 50V R305 10K R303 100K R302 33K C308 3KV C307 3KV 470PF THV EA T301 C302 50V R311 100K C301 50V R314 2 2K C305 50V 333Z D302 1N4148 D303 4KV D304 4KV C306 2KV R301 470K D301 1N4148 24VS R217 BR 24VS C101 35V 47uF C4 50V C5 50V 103J THV READ 18V R3 1 2W 560 ZD1 BSB 5 6V C7 104J 50V R218 2M 9 8 6 5 7 10 21 22 23 13 24 15 19 11 6 5 4 3 2 1 Date 1998 06 29 Rev 1 4 Document Number 9717 08B Sheet 2 of ...

Page 18: ...EA A D GND THV PWN 24VS R2 1 2W 0 5 5VS NC 1 2 3 CN2 Date 1998 06 29 Rev 1 4 Document Number 9717 08B Sheet 3 of 3 Drawing No Design Approval Check Drawing Title High Voltage Power Supply 9717 08B 4 CN3 CN4 CN1 1 2 5 4 3 1 2 3 4 5 6 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 3 2 1 7 18 Samsung Electronics Schematic Diagrams ...