Xerox XL-795D Service Manual Download | Manualshive

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Summary of Contents for XL-795D

Page 1: ...1 XL795D Service Manual ...

Page 2: ... T I O N S 4 C T I M I N G C H A R T 5 D C O N T R O L L O C A T I O N 7 E C O N D U C T I O N V I E W 8 F ADJUSTMENT PROCEDURE 1 1 G T R O U B L E S H O O T I N G H I N T S 1 2 H R E P L A C E M E N T P A R T S L I S T 1 6 I B L O C K D I A G R A M 2 8 J S C H E M A T I C D I A G R A M 2 9 ...

Page 3: ... a plug having a third grounding pin This plug will only fit into a grounding type power outlet This is a safety feature if you are unable to insert the plug into the outlet contact your electrician to replace your obsolete outlet Do not defeat the purpose of the grounding type plug 10 Do not allow anything to rest on the power cord Do not locate this product where persons will walk on the cord 11...

Page 4: ...ees 85 85 Degrees 13 Power Source 100 240 Vac 60 50 Hz 14 Power Consumption 60W max 15 Connection Type 15 Pin D Type DVI 16 Input Signal Video Sync Analog R G B 0 7Vp p 75 Ohms TTL level positive or negative polarity 17 Color Temperature Cool Natural Warm 18 Dimension WxHxD Packing Set 484mm x 500mm x 150mm 420mm x 428mm x 170mm 19 Monitor Weight 7 3Kg 6 1Kg 20 Base Operation Tilt 0 15 degree 21 P...

Page 5: ...95 6 349 6 222 6 400 4 800 Front Porch µs 0 635 0 636 0 762 0 508 0 667 1 000 1 120 H Sync width µs 3 813 3 813 1 270 2 032 2 000 3 200 2 400 H Back Porch µs 1 906 1 907 4 063 3 810 3 556 2 200 1 280 V Frequency Hz 70 1 59 94 72 81 75 0 56 25 60 3 72 2 V Total ms 14 267 16 683 13 735 13 333 17 778 16 579 13 853 V Active Display ms 12 710 15 253 12 678 12 800 17 067 15 840 12 480 V Blanking ms 1 55...

Page 6: ... Front Porch µs 0 323 0 369 0 320 0 203 0 444 0 119 H Sync width µs 1 616 2 092 1 813 1 219 1 037 1 067 H Back Porch µs 3 232 2 462 1 920 2 235 2 296 1 837 V Frequency Hz 75 0 60 0 70 1 75 0 60 0 75 0 V Total ms 13 333 16 666 14 272 13 328 16 661 13 329 V Active Display ms 12 800 15 880 13 599 12 795 16 005 12 804 V Blanking ms 0 533 0 786 0 673 0 533 0 656 0 525 V Front Porch ms 0 021 0 062 0 053...

Page 7: ...MENU 4 Auto button AUTO 2 Select button DOWN 5 Power button POWER 3 Select button UP 6 Power Indicator Rear panel The rear panel of the monitor includes 3 plug in connectors They are as follows 1 One DC IN connector 2 Two VGA Signal DVI D sub IN connectors ...

Page 8: ...8 E CONDUCTION VIEW MAIN BOARD Component Side ...

Page 9: ...9 MAIN BOARD Component Side ...

Page 10: ......

Page 11: ...or OFF 2 Hold key then turn the power switch of the monitor ON 3 You can into factory adjustment mode D Auto mode Check PC or Pattern generator Crosshatch Pattern 1024x768 60Hz 1 Press and relese the MENU knob to activate the OSD menu 2 Move the OSD to the AUTO function press MENU key auto adjuat display mode to its utmost performance according to VGA setting 3 In the event of the display image ne...

Page 12: ...No Display Black LED ON Push the power ON OFF switch LED Color change Check main board Scaler IC Hi Lo under push power sw Back light ON To Step 2 Make sure the connection of Inverter is fine 12V Check the Inverter Check Fuse of inverter B Display OK A To Step 2 Power adapter Change adapter ...

Page 13: ...13 NO YES YES NO YES NO B Hi Lo under push power sw Change the Inverter Display OK To Step 2 A Check the connection of control board Display OK Change the main board Change the main board ...

Page 14: ... YES NO NO YES Step 2 Check the main board 12V 5 0 V Repair 5V Circuit H V input Signal Check the main board DPMS Circuit Change Scaler IC Check H V Signal Display OK Change Signal Cable Check Fuse Adapter Repair DPMS Circuit ...

Page 15: ...O NO YES No display White Check the main board 5V 3 3V H V Input Signal Check the main board 3 3V Regulator Change Scaler IC Check H V Signal Display OK Change Signal Cable Repair 5V Circuit Check 3 3V Regulator Repair 3 3V Circuit ...

Page 16: ...l cable 1 5M 1 15 003 000 ALL 1 Bar Code Label 110X50MM 1 16 002 002 0DOC A FCC DOC Declaration PROVIEW 1 17 002 G50 980DL XEROX Warranty card 1 18 005 500 980DL GA980DL XEROX Carton 1 19 002 U50 980DL GA 980DL XEROX English user manual 1 20 153 500 980DL GA 980DL XEROX Back Label 1 21 999 XF0 GA980DL GA980DL XEROX ass y Color 877C K2440 1 22 899 400 GA980DL GA 980DL Control Board Ass y 1 23 200 7...

Page 17: ... R89 R91 R92 R93 R150 R152 R153 R158 12 48 281 035 4734 SMD R 47K 0603 R3 R4 R41 R12 R14 5 49 281 035 5614 SMD R 560 ohm 0603 R42 1 50 281 035 6814 SMD R 0603 680ohm R97 R94 2 51 281 035 7504 SMD R 75 ohm 0603 R202 R205 R208 R211 R16 R21 R24 7 52 281 035 7534 SMD R 75K 0603 R84 1 53 282 330 2454 SMD R ARRAY 33 ohm 1206 RP1 RP2 RP3 RP4 RP5 RP6 RP7 RP8 RP9 RP10 RP11 RP12 RP13 13 54 330 100 16255 5mm...

Page 18: ...I D connector 11 40mm CN15 1 73 506 0AI C1084 SMD REG AIC1084CM 3 3V 5A U14 1 74 506 0CS 5828 SMD 85M LVDS CS5828 TQFP56 U9 U10 2 75 506 1LM 3485 LM3485 NS MSOP 8 U13 1 76 506 524 LC21 Memory IC 24LC21 SMD U2 U1 2 77 506 5EN 29LV8 Flash 8M EN29LV800T 70RTC EON U6 1 78 506 5NM 24C16 Linear OC NM24C16M 8 SMD U8 1 79 506 774 LCX14 SMD Hi Speed TTL 74LCX14 U3 1 80 506 774 LCX541 74LCX541 TSSOP 20 FAIR...

Page 19: ...EROX Color 877C K2440 1 105 151 A00 Q906A GA980DL Front bezel ABS HB K2440 1 106 121 500 980D GA980DL Rear Plate SECC1 0 1 107 123 001 776DT A Connector Cover 1 108 154 002 782S4 GA980DL Tuner Cover Color 877C 1 109 154 001 GA580S4 GA980DL Key Top Color 877C 1 110 154 500 980DL GA 980DL CR Bar L Color 877C 1 111 154 501 980DL GA 980DL CR Bar R Color 877C 1 112 154 002 GA580 GA 980DL LED Lens 1 113...

Page 20: ...00x30mm 2 134 126 030 ALP7 AL Foil W30 L90mm 1 135 126 030 ALP AL Foil 150x30mm 1 136 631 008 G976 8P1 5 220mm CORE 加 SHIELD GND 1 137 101 010 3012 Screw P3 L10mm TP1 10 138 105 008 3012 Screw T3 8mm TP1 3 139 831 411 00405 Sponge 11x405 2x2mm 2 140 831 411 00323 Sponge 11x323 5x2mm 2 141 123 507 976D AL Neck Color 877C 1 142 123 502 976D NECK 1 143 151 051 980DL GA 980DL XEROX rear cover 1 144 10...

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Page 28: ...28 I BLOCK DIAGRAM ...

Page 29: ...DATA2 DATA2 DATA2 4_SHLD DATA4 DATA4 DDC_CLK DDC_DATA A_VSYNC DATA1 DATA1 DATA1 3_SHLD DATA3 DATA3 5V GND H_PLUG_DET DATA0 DATA0 DATA0 5_SHLD DATA5 DATA5 CLK_SHLD CLK CLK SHELL1 SHELL2 A_RED A_GREEN A_BLUE A_HSYNC A_GND A_GND R28 100 C194 0 1uF R209 27 R207 27 U2 24LC21A 1 2 3 4 5 6 7 8 NC1 NC2 NC3 GND SDA SCL VCLK VCC H2 TP 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 C5 0 1uF C14 0 1uF R150 4 7K R9 47 R2...

Page 30: ...01 10K NC 1 2 R602 2 2K NC 1 2 C49 0 1uF R39 3 3K Y1 XTAL14 31818 C30 0 1uF C46 0 1uF C54 0 1uF R30 0 R42 560 R31 4 7K C37 0 1uF C87 0 1uF C33 0 1uF L199 BE0805 1 2 R41 4 7K C501 0 01uF 1 2 R607 2K NC 1 2 C23 39nF C47 0 1uF R43 1 5M C28 18pF NC C57 0 1uF R35 3 3K WRN1 C43 0 1uF L12 22uH C56 0 1uF Display Port U4B PW13x 106 107 101 102 103 98 97 94 93 92 91 90 89 88 87 86 85 82 81 80 79 78 77 74 73...

Page 31: ...8 29 30 J6 CON30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 R45 10K R48 10K CN1 WAFE 8PIN 1 5MM 90 1 2 3 4 5 6 7 8 9 10 R47 10K R46 10K R49 10K R62 10K C69 0 1uF C60 0 1uF U8 24C16 5 6 8 4 1 2 3 7 SDA SCL VCC GND NC0 NC1 NC2 WP U6 EN29LV800T 90 37 13 46 27 29 30 31 32 33 34 35 36 38 39 40 41 42 43 44 45 1 2 3 4 5 6 7 8 17 18 19 20 21 22 23 24 25 48 26 28 11 12...

Page 32: ...XIN24 TXIN25 GND TXIN26 TXCLKIN PWR DWN PLL GND PLLVCC PLL GND LVDSGND TXOUT3 TXOUT3 TXCLKOUT TXCLKOUT TXOUT2 TXOUT2 LVDSGND LVDSVCC TXOUT1 TXOUT1 TXOUT0 TXOUT0 LVDSGND TXIN27 TXIN0 TXIN1 GND TXIN2 TXIN3 TXIN4 L20 BE0603 C70 0 1uF L17 BE0603 U10 DS90C383 QSOP56 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 ...

Page 33: ... 1 2 Q5 2N3904 B E C R91 4 7K L33 NC R90 470 NC R89 4 7K 1 2 Q4 2N3904 B E C C126 0 1uF C131 0 1uF C128 220uF 16V R98 301 R97 681 U16 LM1117 G O I TAB ADJ Vo2 Vin Vo4 L29 BE0805 F1 FUS1206 5A 1 2 C102 0 1uF NC S2 1 2 C107 220uF 16V C120 220uF 16V D12 MMSZ5248B NC A C C119 0 1uF CN3 DC JACK 5 4 3 2 1 C114 0 01uF U14 AIC1084 33CM Part Type I O G TAB IN OUT C OUT1 C121 0 1uF C106 0 01uF C129 100uF 16...

Page 34: ...8 0 1uF R123 33K R122 20K C141 0 068uF R106 20K R103 33K R118 10K NC C163 100uF 16V 1 2 C134 0 1uF R113 20K R111 20K C135 0 1uF C150 0 068uF CN6 BASE2S 1 2 L39 BE0805 1 2 L40 BE0603 L41 BE0603 R117 10K C162 33PF U18 LM4838 1 8 14 20 23 6 16 27 2 3 4 5 7 9 10 11 12 13 28 26 25 24 22 21 19 18 17 15 29 GND GND GND GND GND VDD VDD VDD Shutdown Gain Select Mode Mute DC_Vol Right Dock Right In Beep In L...

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