HP 520 - Notebook PC Handbook Download Page 32 | Manualshive

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Summary of Contents for 520 - Notebook PC

Page 1: ...HP 9000 Series 500 Computers Model 520 98760 CE Handbook Part No 9876 90039 E 0384 Requires Binder No 9282 0683 Flin HEWLETT a PACKARD Printed in U S A First Edition March 1984 ...

Page 2: ... No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Hewlett Packard Company The information contained in thiS document is subject to change without notice Restricted Rights Legend Use duplication or disclosure by the Government IS subject to restrictions as set forth In paragraph bl 3I1B of the Rights in Technical Data and ...

Page 3: ...illl ltllll1 PM hdptel 8760 Conflguratloll Chapt r 4 9k760 Trollhlf ihllfltin J Ch lpll l 9k7hO f la IlIl itlf i Chapter 6 98760 Adjustnwllts hapter 7 98760 Systems Chapter 8 98760 RepJac able Parts Chapter 9 98760 DJagrdl1lS Chapter 10 98760 Reference hapt 1 11 98760 Servin Notes ...

Page 4: ...a this warranty applies for ninety 90 days from the date of delivery Hewlett Packard will at its option repair or replace equipment which proves to be defective during the warranty period This warranty includes labor parts and surface travel costs if any EqUipment returned to Hewlett Packard for repair must be shipped freight prepaid RepairS necessitated by misuse of the equipment or by hardware s...

Page 5: ... 2080 characters 26 lines of 80 characters 7 dot x 9 dot in a 9 x 15 matrix 2 01 mm wide x 3 76 mm high 7 x 9 character Black white red yellow green cyan blue and magenta Inverse video blinking and underline 1164 of refresh rate 128 ASCII characters with line drawing and HP European exten sion Katakana extension replaces European extension Blinking underline same color as character cell Register s...

Page 6: ...rvice Manual 09020 90039 HP 9000 9020 CE Handbook 09040 90040 HP 9000 Site Preparation Manual 09020 90011 HP 9000 Model 520 Installation and Test Manual 09020 90000 HP 9000 System Integrity Tests Users Manual Product Support Package The 98760 requires no special tools for service other than those which are provided in other product support packages Safety WARNING LETHAL VOLTAGES ARE PRESENT INSIDE...

Page 7: ...of the CRT refresh switch matches the input line frequency 50 Hz or 60 Hz 2 Pull out both locking rods at the front of the mainframe support legs until they are fully extended 3 Place the display on the computer so that the beveled support legs on the computer base fit into the grooves on the underside of the display The two pegs on the top of the computer base fit into the alignment holes on the ...

Page 8: ...CONNECTING THE 98760 POWER CORD THE 98760 HAS NO POWER SWITCH IT IS SWITCHED ON VIA A RELAY WHICH IS ACTIVATED WHEN THE COMPUTER IS SWITCHED ON 8 Connect the power cord to the display and plug cord into ac outlet CRT Refresh Rate Switch Left 60 Hz Right 50 Hz CRT Refresh Switch Placing Display on Computer Slide Tabs ...

Page 9: ...Alignment Holes Power Cord Connector Voltage Selector Switch 98760 Environmental Installation PM 2 3 Alignment Pegs Aligning Display with Computer Back of Display Balance Point Weight Support Bar ...

Page 10: ...uired according to the following instructions CAUTION ONLY CLEAN WATER SHOULD BE USED FOR CLEANING DIS PLAY GLASS CHEMICAL SPRAY ON CLEANERS USED FOR AP PLIANCES AND OTHER HOUSEHOLD APPLICATIONS MAY DAM AGE THE FINISH THESE OR OTHER CHEMICAL CLEANERS SHOULD NOT BE USED DO NOT USE DETERGENTS THAT CON TAIN AMMONIA BENZENES CHLORIDES OR ABRASIVES DIS PLAY GLASS SHOULD NOT BE CLEANED WITH ANY CLEANER ...

Page 11: ...3 1 II Cha I L ______________________________ 98760 Configuration There is no other configuration of the 98760 ...

Page 12: ...3 2 98760 Configuration ...

Page 13: ... _ 98760 Troubleshooting Refer to Dead Display Unit Procedure Initial Display Troubleshooting Flowchart CAUTION MAKE SURE THE SCREEN POTENTIOMETER IS TURNED BACK TO ITS ORIGINAL POSITION FAILURE TO DO SO MAY DAMAGE THE VIDEO BOARD ...

Page 14: ...Dead Base Troubleshooting Procedure in 9020 CE Handbook Troubleshooting Section Defective Ribbon Cable Between RFI Filter Board and Display Motherboard Check Continuity of R e g t 1 Alpha Interface Board Turn On Troubleshooting Flowchart ...

Page 15: ...9 GND 18 38 37 18 NIFC 38 37 GND DGND 38 35 DGND NIOBSB 36 35 GND DGND 34 33 DGND NIODO 34 33 NIODl DGND 32 31 DGND GND 32 31 NIOD2 DGND 30 29 DGND NIOD3 30 29 GND DGNO 28 27 DGND NIOD4 28 27 NIOD5 12 26 25 12 GND 26 25 NIOD6 12 24 23 12 NIOD7 24 23 GND 12 22 21 5 NIOD8 22 21 NIOD9 5 20 19 GND 20 19 NIOD10 18 17 NIODll 18 17 GND 16 15 NIOD12 16 15 NIOD13 14 13 GND 14 13 NIOD14 12 11 NIOD15 12 11 G...

Page 16: ...4 4 98760 Troubleshooting Replace CRTlYoke Assembly Dead Display Unit Troubleshooting Flowchart ...

Page 17: ...Pin 8 T201 to Pin 6 P301 to Pin 11 From Video Drive Board to CRT Yoke Assembly Check P3 5 for Red P3 7 for Gm P3 9 for Blu on Video Drive Board Yes Defective Wiring Repair or Replace No Check P4 2 for Red P4 4 for Grn P4 6 for Blu 98760 Troubleshooting 4 5 on Digital Video Board Video Troubleshooting Flowchart ...

Page 18: ...4 6 98760 Troubleshooting Sweep Troubleshooting Flowchart ...

Page 19: ...Point Read 78V 98760 Troubleshooting 4 7 i O Display Power Supply Test Points Board Number 09836 66550 12VTest Point ...

Page 20: ...4 8 98760 Troubleshooting ...

Page 21: ...lures occur System Integrity Test The System Integrity Tests SIT include 98760 diagnostics To load and run SIT Part Number 09020 10010 1 Load the SIT TEST system boot discs 2 Load the SIT Mainframe Test Programs disc 3 Enter on keyboard LOAD TEST INTERNAL 1 EXECUTE 4 Follow instructions and select AGRAPHICS when the test menu is presented 5 Two tests are available under AGRAPHICS STANDARD and INTE...

Page 22: ...5 2 98760 Diagnostics ...

Page 23: ...video drive board The horizontal and vertical centering adjustments are located on the sweep board Note The RFI Cage Door does not have to be opened to access the pots on the video drive board Adjustments WARNING OBSERVE ALL WARNINGS AND SAFETY PROCEDURES IN THE SERVICE MANUAL LETHAL VOLTAGES ARE PRESENT INSIDE THE COMPUTER Internal Intensity Color Alignment 1 Load the SIT TEST system boot discs 2...

Page 24: ...6 2 98760 Adjustments HORIZONTAL CENTER VERTICAL HEIGHT SCREEN GRID FOCUS TP301 GREEN Video Board Pots and Test Points Sweep Board Adjustments CLAMP POT RED ...

Page 25: ...7 1 ________________ II a7 1 _ 98760 Systems The 98760 is a part of the 9020 Product It is the Standard Color Display for the Product It is not used on other systems ...

Page 26: ...7 2 98760 Systems ...

Page 27: ...There are exchange assemblies and non exchange parts If the faulty assembly is an exchange assembly as indicated in the following table return the exchange assembly to the Computer Support Division CSD for repair and obtain a rebuilt part Otherwise order the replacement part from the Corporate Parts Center ...

Page 28: ...rt Plate 0400 0025 1 Grommet 3050 0066 2 Flat Washer 2190 0918 4 Lockwasher 17 8120 4099 1 Intensity Pot 0510 0595 2 Retaining Clip 5040 8149 1 Thumbwheel 18 98760 67901 1 Fan includes cable and grill 19 4040 1926 2 Fan Clip side bracket 20 4040 1923 1 Fan Boot 21 98760 40101 1 Base Assembly With Latch Assembly 22 Latch Assembly 1460 1982 4 Latch Spring 0624 0403 8 Latch Screw 1480 0083 4 Latch Do...

Page 29: ......

Page 30: ... 12 _____ Power 5 12 Alpha Data Graphics Data and Control Clock and Control A75 Digital Video Board P1 5 6 7 9 10 98760 Block Diagram Typical Circuit Between P1 and P2 Pins A nn_rJL 4700 P Video Drive A42 RGB Power Supply A50 9020 Base CRT Motherboard P2 H Sync User Intensity Pot V Blank User Intensity Pot V Sync 12 Volt Sense From Mainframe Use Intensity Pot RFI Filter Board 98760 66501 ...

Page 31: ...9 2 98760 Diagrams ...

Page 32: ...10 1 I Chtaopter I 98760 References There are no references ...

Page 33: ...10 2 98760 Reference ...

Page 34: ...11 1 98760 Service Notes Chapter 11 Keep your service notes in this section ...

Page 35: ...11 2 98760 SerJice Notes ...

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