HP Deskjet 9800 Handbook Download Page 1 | Manualshive

Page: 1 / 32

background image

1
2
3
...
»

Summary of Contents for Deskjet 9800

Page 1: ...HP 9800 Computers 98750 CE Handbook Part No 98750 90039 E0982 Requires Binder No 9282 0683 Flin HEWLETT a PACKARD Printed in US A First Edition September 1982 ...

Page 2: ...mputer software which is protected by copyright All rights are reserved Copying or other reproduction of this program except for archival purposes is prohibited without the prior written consent 01 Hewlett Packard Company Hewlett Packard Company 3404 East Harmony Road Fort Collins Colorado 80525 ...

Page 3: ...lIllllIll1dlll lIdIH 11 P l 1 1 1 I I I t 1 h I f r 1 j U l Ul lll lluululq t tltlf itJ h pll If IKj I d III III 1 I t 1 IS i IIpl1 I I I ph I S IS7 0 HI pi I IIl lit 1 lIt t h lpll l I IS 7 0 iJld ll 1 l 11 1 11 1 0 Isr Hdl l III l I II is r o 1 I I 1 ...

Page 4: ...jj ...

Page 5: ...ns and Configurations The 98750A is available as an integral part of the 9845B lxx See the 9845B Base CE Handbook Chapter for option information 09845 92030 09845 93050 09845 92005 Related Documentation Service Manual Monochromatic Graphics Programming Manual Owner s and System Exerciser Manual Product Support Package The 98750A service tools are included in the 9845B Product Support Package Refer...

Page 6: ...1 2 98750 Product Information ...

Page 7: ...e CRT assembly will lock into place on top of the mainframe support legs It is important that the gUides on the CRT assembly and the mainframe support legs are aligned properly before assembly Figure 2 1 shows the proper alignment necessary for the CRT assembly installation Notice how the buttons on bottom of the CRT assembly align with the notches in the support legs Figure 2 1 CRT Assembly Insta...

Page 8: ...2 98750 Environmentalilnstallation PM Preventive Maintenance Clean the case parts and tube face occasionally with mild soap and water or alcohol Do not use harsh abrasive or other general purpose cleaners ...

Page 9: ...Alpha Control Assembly Refer tothe 9845BBase CE Handbook Chapter for the locations of these parts Interfacing The 98750A interfaces to the 9845B base via the Alpha Control Assembly 09845 66503 and the Graphics Interface Assembly 09845 66504 Alpha information is stored in block 0 read write memory and is refreshed to the display via the IDA bus Graphics information is transfer red via the 110 bus t...

Page 10: ...rd The Status Word may be obtained by executing the following instructions STATUS 13 iA DISP A The result is a decimal integer which may be converted to binary and interpreted as shown below 4 o 1101011101010010 LID Bit 1 0 Status Bit ...

Page 11: ...ress A76 Test Button Does a raster appear Initial Checks 98750 Troubleshooting 4 1 Chapter 4 Troubleshooting Action Yes Proceed with Initial Checks No Fix base Yes Proceed to Diagnostics No Proceed with Initial Checks Yes Proceed to Diagnostics No Proceed with Initial Checks Yes Fault in Base Motherboard A72 No Fault in A73 A74 A75 CRTlYoke ...

Page 12: ...4 2 98750 Troubleshooting ...

Page 13: ... or k5 for the CRT Graphics tests Follow the instructions for each test as follows KO CRT Alpha Test This test will check and exercise all the CRT alpha functions and provide test patterns for the following CRT adjustments Focus Alpha raster size The adjustment procedures are found after this test procedure Ta exit this test press STOP Press CJLJ the CRT displays Press B For full buffer H For He H...

Page 14: ... failure on ths display indicates a probable A73 assembly failure Press o J the CRT displays Usc th s patte n to adjust the focus ng adjustment desc bed after th s test unt the H characters are sharp and clear The focus control is on the A75 assembly ...

Page 15: ...talled a full screen graphics cursor is displayed and the computer is in the graphics mode See the Graphics section for details Press STOP to exit the graphics test and return to the CRT Alpha Test If the graphics option is not installed the G key will be ignored Press o J the CRT displays ...

Page 16: ...111111111111111111111111111111111111111111 111111111111111111111111111111111111111111111111111111111111111111111111111111 Press CO all the CRT display features can now be checked The CRT displays PRESS CONTINUE Press CONTINUE 15 times noting each time the feature being displayed The features are shown in the folloWing order inverse video normal blinking video normal video underlined normal video w...

Page 17: ...box outlining the graphics raster is displayed Causes three different cursors to appear One type is displayed each time CI J is pressed Press CI J three times to view the cursors listed below The alpha cursor The graphics cursor The full screen graphics cursor Clears the display Pressing SHIFT at the same time clears the display faster Fills the entire display with dots Displays grid referenced fr...

Page 18: ...5 6 98750 Diagnostics ...

Page 19: ...ure 6 1 To adjust the CRT intensity use the following procedure 1 Advance the A75 intensity control and the operator s intensity control on the lower right corner of the CRT bezel to maximum intensity 2 With both controls at maximum settings horizontal retraces should appear on the CRT Adjust the A75 intensity control until the retraces are no longer visible 3 Press the CRT test button and notice ...

Page 20: ...he graphics raster outline on the CRT alignment mask Use the raster dimensions given in the specifications in chapter 1 Display Logic CRT Test Graphics Height Control A7409845 66574 CRr Analog A7509845 66575 High Voltage Assembly A7609845 66576 Interconnect Assembl Located On Bottom Side Of A71 Assembly Figure 6 1 High Voltage Cage A71 09845 66571 CRT Motherboard A77 09845 66577 Graphics Scanner C...

Page 21: ...98750 Peripherals 7 1 Chapter 7 Peripherals ...

Page 22: ...7 2 98750 Peripherals ...

Page 23: ...laceable Parts List Assembly Reference CD HP TQ Description Level Designator Part No 1 6 0960 0480 1 TripIer I 4 0 11 45 26576 2 CRT Interface PC board 1 4 09845 61671 1 Intensity Control Cable 1 5 09845 61672 1 Tube Socket Cable 1 A71 3 0984566571 1 Motherboard 1 A72 4 09845 66572 1 Power Transistor Assy 2 Q4 5 1826 0169 1 Voltage Regulator LM320K 15 2 Ql H 1826 0203 I Voltage Regulator 7815KC 2 ...

Page 24: ...8 2 98750 Replacement Parts ...

Page 25: ... 09845 66573 Display Logic 98750 Diagrams 9 1 Chapter 9 CRT Section Alpha A7209845 66572 Regulator Assembly Diagrams _ 4 f t A71 09845 66571 CRT Motherboard I CRT Yoke Assembly Graphics Section A77 09845 66577 Graphics Scanner A7909845 66579 Graphics Memory I ...

Page 26: ...TOAI61 R6 I CRT Control Logic UNIT I I I I i DATA REGI TER _ _ _ _ _ _ _ _ _ _ _ _ J Display Block Diagram ...

Page 27: ...TO PPU A16 PA0 PA3 INT OOUT ICI IC2 A79 CONTROL ASSY I O ROY I A77 SCANNER ASSY TO CRT ALPHA DISPLAY h CIRCUITS MEM 1 G V ...

Page 28: ... Supply lav From Power Supply J 15VToA74 l andA75 04 _ GrOUnd 6VFromA74 5V From _ 1 05 powerSUPPlyJ I Ground _ _ 5 to 3V to l A74 and A75 06 tC r TOA74 Fro r i ge _ _m J From A75 300 Peaks Flyback Pulse Vo s ToA74 18 Correction Voltage Volts I I I ...

Page 29: ...98750 Reference 10 1 Chapter 10 Reference ...

Page 30: ...10 2 98750 Reference ...

Page 31: ...98750 Service Notes 11 1 Chapter 11 Service Notes ...

Page 32: ...11 2 98750 Service Notes ...

Reviews:

No comments

Related manuals for Deskjet 9800

Brand: IBM Pages: 158

Brand: Zotac Pages: 57

Brand: FabiaTech Pages: 79

Brand: Vecow Pages: 127

Brand: Advantech Pages: 17

Presario 3500 Series

Brand: Compaq Pages: 68

FlowControl FC-S01

Brand: Go!Paint Pages: 20

Brand: Gateway Pages: 1

InBox300 Series

Brand: InHand Pages: 28

Brand: Casio Pages: 25

Brand: Asus Pages: 80

Brand: Asus Pages: 35

Brand: Asus Pages: 56

Brand: Asus Pages: 35

Brand: Asus Pages: 69

Brand: Asus Pages: 28

Brand: Asus Pages: 28

Brand: Asus Pages: 35

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands