Xerox XL-795D Service Manual
Xerox XL-795D Manual
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Xerox XL-795D manual content summary:
- Xerox XL-795D | Service Manual - Page 1
XL795D Service Manual - Xerox XL-795D | Service Manual - Page 2
TABLE OF CONTENTS SERVICE WARNING 3 A. I M P O R T A N T S A F E T Y I N S T R U C T I O N 3 B. S P E C I F I C A 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 11 G. T R O U B L E S H O O T I N G H I - Xerox XL-795D | Service Manual - Page 3
the back cover of the cabinet if you are not a qualified monitor engineer.Contact the local dealer or the nearest Xerox branch office if you need help. A. IMPORTANT SAFETY INSTRUCTION Prior to using this service manual,please ensure that you have carefully followed all the procedures outlined in - Xerox XL-795D | Service Manual - Page 4
Maximum Resolution 2. Recommend Resolution 3. Synchronization Range Horizontal Vertical 4. Active Display Area 5. Dot Pitch 6. Support display colors Connection Type 16. Input Signal Video Sync. 17. Color Temperature 18. Dimension (WxHxD) Set 19. Monitor Weight 20. Base Operation Tilt 21. Power - Xerox XL-795D | Service Manual - Page 5
12.678 1.057 0.238 20.317 6.349 0.508 2.032 3.810 75.0 13.333 12.800 0.533 0.027 22.222 6.222 0.667 2.000 3.556 56.25 17.778 17.067 0.711 0.028 20.000 6.400 1.000 3.200 2.200 60.3 16.579 15.840 0.739 0.026 16.000 4.800 1.120 2.400 1.280 72.2 13 - Xerox XL-795D | Service Manual - Page 6
VESA 1024X768 1280X1024 1280X1024 78.750 108.00 135.00 48.363 56.476 60.023 63.981 79.976 H-Total (µs) 21.333 20.677 17.707 16.660 15.630 12.540 H-Active Display (µs) H-Blanking (µs) Front Porch (µs) H-Sync-width (µs) 16.162 5.172 0.323 1.616 15.754 4.923 0.369 2.092 13 - Xerox XL-795D | Service Manual - Page 7
1. Menu button (MENU) 2. Select button (DOWN) 3. Select button (UP) 4. Auto button (AUTO) 5. Power button (POWER) 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 - Xerox XL-795D | Service Manual - Page 8
E. CONDUCTION VIEW MAIN BOARD (Component Side) - Xerox XL-795D | Service Manual - Page 9
MAIN BOARD (Component Side) - Xerox XL-795D | Service Manual - Page 10
- Xerox XL-795D | Service Manual - Page 11
Saving Check B Wattmeter PC or Pattern generator Crosshatch Pattern (31.5KHz,640x480) 1. Unplug the signal cable into the monitor. 2. Turn the power switch of the monitor ON. 3. Check monitor power indicator light up orange. 4. Make sure the wattmeter value shown at right. 5. OSD will be display - Xerox XL-795D | Service Manual - Page 12
No Display ( Black ) G. TROUBLE SHOOTING HINTS LED ON ? NO YES Push the power ON/OFF switch Power adapter ? YES NO Change adapter LED Color YES change ? NO Check main - Xerox XL-795D | Service Manual - Page 13
A Check the connection of control board Display ? NO Change the main board YES OK ! B Hi / Lo under push power sw? YES Change the Inverter NO Change the main board Display ? YES OK ! NO To Step 2 - Xerox XL-795D | Service Manual - Page 14
Step 2 Check the main board 12V ? NO Check Fuse, Adapter YES +5.0 V ? YES Check the main board DPMS Circuit ? YES H/V input Signal ? NO Repair 5V Circuit YES Repair DPMS Circuit YES Change Scaler IC NO Check H/V Signal Display ? YES OK ! NO Change Signal Cable - Xerox XL-795D | Service Manual - Page 15
No display (White) Check the main NO board 5V ? Repair 5V Circuit YES +3.3V ? YES Check the main board 3.3V Regulator ? YES H/V Input Signal ? NO Check H/V Signal NO Check 3.3V Regulator NO Repair 3.3V Circuit YES Change Scaler IC Display ? YES OK ! NO Change Signal Cable - Xerox XL-795D | Service Manual - Page 16
16 002-002-0DOC-A FCC DOC Declaration PROVIEW 17 002-G50-980DL XEROX Warranty card 18 005-500-980DL GA980DL XEROX Carton 19 002-U50-980DL GA-980DL XEROX English user manual 20 153-500-980DL GA-980DL XEROX Back Label 21 999-XF0-GA980DL GA980DL XEROX ass'y Color : 877C+K2440 22 899-400 - Xerox XL-795D | Service Manual - Page 17
NO Parts No. 33 281-031-20014 34 281-031-62014 35 281-035-0R04 36 281-035-1014 37 281-035-1024 38 281-035-1044 39 281-035-1554 40 281-035-2704 41 281-035-2734 42 281-035-3014 43 281-035-3304 44 281-035-3314 45 281-035-3324 46 281-035-4704 47 281-035-4724 48 281-035-4734 49 281-035-5614 50 281-035- - Xerox XL-795D | Service Manual - Page 18
NO Parts No. 65 382-392-032564 66 382-393-032564 67 382-473-032564 Description SMD CC 0.039uF 25V X7R 0603 SMD CC 0.047uF 25V X7R 0603 SMD CC 0.047uF 25V X7R 0603 68 385-104-032584 SMD CC 0.1uF 25V Y5V 0603 69 409-003-0110 DC Jack 3.5D SCD510 70 483-002-104S6 Connector Pin Pitch 2.54mm 1*4 Pin - Xerox XL-795D | Service Manual - Page 19
FBM-11 Bead HCB4532K-800T60 80ohm6A L 0805 22uH CL201212T-220K TOSHIBA DC Jack Support NYLON SMD R 2.2K 0603 102 281-035-1034 RES 10K 5% 1/10W 1707 104 902-GA0-A000 105 151-A00-Q906A IC MK1707/ICS SOIC-8 GA980DL XEROX Color : 877C+K2440 GA980DL Front bezel 106 121-500-980D GA980DL Rear Plate - Xerox XL-795D | Service Manual - Page 20
150x30mm 8P1.5 220mm+CORE SHIELD+GND Screw P3*L10mm TP1 Screw T3*8mm TP1 Sponge 11x405.2x2mm Sponge 11x323.5x2mm AL Neck NECK GA-980DL XEROX rear cover Screw Screw Part Location Color : 877C For D-SUB Connector For D-SUB Connector Q'ty 2 1 1 1 1 1 2 1 1 1 10 - Xerox XL-795D | Service Manual - Page 21
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I. BLOCK DIAGRAM - Xerox XL-795D | Service Manual - Page 29
5 DATA4+ 6 DDC_CLK 7 DDC_DATA 8 A_VSYNC 9 DATA1- 10 DATA1+ 11 DATA1/3_SHLD 12 DATA3- 13 DATA3+ 14 +5V 15 GND H_PLUG_DET DATA0DATA0+ DATA0/5_SHLD DATA5DATA5+ 16 17 18 19 20 21 22 CLK_SHLD 23 CLK+ 24 CLK- C1 A_RED C2 A_GREEN C3 A_BLUE C4 A_HSYNC C5 A_GND C5 A_GND 26 SHELL2 DVI_D_CON/NC - Xerox XL-795D | Service Manual - Page 30
65 H S 7 8 RX2P RX2M 10 11 RX1P RX1M 13 PW13x 14 RX0P RX0M 16 U4A 17 R C P Graphics and RCM Video Port 5 RTERM 63 62 V656_0 61 60 59 58 57 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 WRN1 GND A[19:1] D[15:0] RDn ROMOEn ROMWEn CS0n C88 C89 C28 XTAL14.31818 Take off U4C pin200 - Xerox XL-795D | Service Manual - Page 31
A3 A2 J5 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 CON30 V33 A17 D15 D7 D14 D6 D13 ROMOEn FCEn A1 J6 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 CON30 OPTIONAL Promjet Header, Removed for Production Proview Electronics - Xerox XL-795D | Service Manual - Page 32
D-VSYNC U10 1 2 3 4 VCC TXIN5 TXIN6 5 TXIN7 6 7 8 9 GND TXIN8 TXIN9 TXIN10 10 VCC 11 12 13 TXIN11 TXIN12 TXIN13 14 GND 15 TXIN14 16 17 18 TXIN15 TXIN16 R_FB 19 TXIN17 20 21 22 23 TXIN18 TXIN19 GND TXIN20 24 TXIN21 25 26 27 TXIN22 TXIN23 VCC 28 TXIN24 TXIN25 56 TXIN4 TXIN3 - Xerox XL-795D | Service Manual - Page 33
CN3 2 5 4 3 1 DC-JACK VIN12V F1 FUS1206-5A 1 2 S1 2 1 NC Choose one package V12 L25 BEAD_80R L25A BEAD_80R(NC) S2 2 1 NC C99 0.01uF GND VIN1 C100 0.1uF GND L26 BE1206 C101 220uF/16V 4/18 C14 change into C10 GND C D12 MMSZ5248B(NC) C102 C103 R84 C10 75K 103 0.1uF 0.01uF - Xerox XL-795D | Service Manual - Page 34
ARud11io5GND 13 Left Dock 12 Lift In 11 Beep In 10 Right In 9 Right Dock 20K 6 VDD 16 VDD 27 VDD 19 Lift Gain1 18 Lift Gain2 R106 20K C141 0.068uF 17 Left_Outm Lift out - 15 Lift out + 21 HP Sense Left_outp 28 Right_Outp Right Out+ HI HP OUT LOW SP OUT - Xerox XL-795D | Service Manual - Page 35
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XL795D
Service Manual