HP HP 9000 Series 500 User manual

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

98760 CE Handbook
for the HP 9000 Series 500
Mode1520 Computer
Manual Part No. 98760-90039
Note
This handbook is only for the use of HP-qualified service personnel.
c Copyright 1984. Hewlett-Packard Company
This documentcontains proprietary information which is protected
by copyright. All rights are reserved. Nopartof 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 Software clause
in DAR 7-104.9(a)
Hewlett-Packard Company
3404 East Harmony Road, Fort Collins, Colorado 80525

Chapter 1
9R760 Product InformatIOn
Chapter 2
9k7fJO f 11\ IrfHlIllf'IHill II1'itilll'ltllll1 PM
<.. hdptel ;)
()8760 Conflguratloll
C hapt!'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

ii
Printing History
New editions of this manual will incorporate all material updated since the previous edition. Update
packages may
be issued between editions and contain replacement and additional pages to be
merged into the manual by the user. Each updated page will be indicated by a revision date at the
bottom of the page. Avertical bar
in the margin indicates the changes on each page. Note that pages
which are rearranged
due to changes on a previous page are not considered revised.
The manual printing date and part number indicate
its current edition. The printing date changes
when a new edition
is printed. (Minor corrections and updates which are incorporated at reprint do
not cause the date to change.) The manual part number changes when extensive technical changes
are incorporated.
March
1984 ...First Edition
Warranty Statement
Hewlett-Packard products are warranted against defects in materials and workmanship For Hewlett-Packard Fort Collins
Systems Division productssold
in the US A and Canada, this warranty applies for ninety (90) daysfrom the date of delivery.'
Hewlett-Packard will, atits 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. software, or Interfacing not
provided
by Hewlett-Packard are not covered by this warranty
HP warrants that its software and firmware deSignated by HP for use with a CPU Will execute ItS programming instructions
when properly installed on that CPU.
HP does not warrant that the operation of the CPU. software. or firmware Will be uninter-
rupted or error free
HEWLETI-PACKARD MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL. INCLUDING. BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE Hewlett-
Packard shall not
be liable for errors contained herein or for incidental or consequential damages in connection with the
furnishing. performance or use of this material
• For other countries cor"tact your local Sales ard Support Office to determine warrartv terrTlS

1-1
'---- ________________ ~llcMl~rl
_ 98760 Product Information .
Cathode Ray Tube:
Scan:
Vertical Refresh Rate:
Horizontal Refresh Rate:
Alpha Raster Size:
Screen Capacity:
Character Font:
Character Size:
Character Colors:
Character Highlighting:
Character Blinking Rate:
Standard Character Set:
Optional Character Set:
Cursor:
Cursor Blinking Rate:
Graphics Raster Size:
Matrix Size:
Bits Per Point:
Memory Size:
Graphics Colors:
Color Map:
Resolution:
Cursor:
Vector Drawing Speed:
Display Features
13-inch diagonal, inline gun
Non-interlaced raster scan
60
Hz and 50 Hz, switch selectable
24.9
kHz
Alphanumeric Display
207 mm x 163 mm (720 dots x 390 dots)
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 selectable,
1116 or 1132 of refresh rate
Graphics Display
217 mm x 163 mm (512 dots x 390 dots) Note: graphics pixel is 1.5
times wider than alpha pixel.
512 dots x 390 dots (199,680 addressable pOints)
4
lOOK bytes
16 levels of red, green, and blue
16 of
4096 colors may be defined for use on screen at anyone time
0.423 mm vertical spacing;
0.418 mm horizontal spacing
No hardware cursor
318 vectors per second at 100 pixels per vector

1-2 98760 Product Information
Configurations
The 98760 is available as part of the 9020 Product. The 9020 Product is also referred to as the
Model 520. The
98760 is the Standard Color Display for the 9020 Product.
Related Documentation
HP Part No. Description
09020-90038 HP 9000 Model 520 Service 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 THE 98760. REFER
TO THE GENERAL SAFETY GUIDELINES IN THE HP 9000 MODEL
520 SERVICE MANUAL.

2-1
~9_8_76_0_E_n_vi_ro_n_m_e_n_t_allI_n_st_all_a_ti_· 0_0/---, I cha2Pt~ I
_ Preventive Maintenance
Environmental Range
Operating Temperature:
Storage Temperature:
Ambient Humidity:
Size/Weight
Height:
Width:
Depth:
Net Weight:
Power Requirements
Ac Line Voltage:
Line Frequency Range:
Power Consumption:
Environmental
+10°C to +40°C
-40°C to +75°C
20 to 80%
25cm
42cm
48cm
22.2 kg
110 Vac (90 to 125 Vac)
220 Vac (198 to 250 Vac)
48 to 66 Hz
130 watts maximum
Installation
CAUTION
ENSURE THAT MAINFRAME POWER IS OFF BEFORE INSTALL-
ING THE DISPLAY.
1. Place the display on its top and ensure that the position 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 display.
4. Gently push down on the top of the display to ensure proper seating and electrical connec-
tion.
5. Push in the locking rods until they are flush with the computer.
6. Ensure that the voltage selector switch on the back of the display is set for the correct ac input
voltage.
7. Ensure that the correct fuse is intalled at the back of the display (250 V, 5 A, NB; Part
Number 2110-0010).

2-2 98760 Environmental/Installation/PM
CAUTION
ALWAYS SWITCH THE COMPUTER POWER SWITCH TO THE
OFF POSITION BEFORE 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

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

2-4 98760 Environmental/Installation/PM
&§J
Country Part Number Opt.
Voltage
@
ev
Australia 8120·1369
901
250 ,
t3
[ill
Denmark 8120-2956 912 250V, 6A
• • Europe 8120-1689 902 250V, 6A
E N L
••
Great Britain 900 250V, 6A
• L N 8120-1351
South Africa 8120-4211 917 250V, lOA
Australia Denmark Europe Great Britain Switzerland 8120-2104 906 250V,
6A
United States 8120-1378 903 120V, lOA
United States 8120-0698 904 240V, lOA
0
~
~
Q• • L N Power cords supplied by
HP have polarities matched to the
E
L N N L • power-input socket on the computer:
• L = Line or Active Conductor (also called
Switzerland United States United States "hot")
South Africa 120V 240V • N = Neutral or Identified Conductor
• E = Earth or Safety Ground
NOTE: Plugs are viewed from connector end. Shape of molded plug
may vary within country.
Power Cords
Preventive Maintenance
Clean the display as required 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 HOUSEHOLDAPPLICATIONS MAY DAM-
AGE THE FINISH. THESE OR OTHER CHEMICAL CLEANERS
SHOULD NOT BE USED. DO NOTUSE DETERGENTS THAT CON-
TAIN AMMONIA, BENZENES, CHLORIDES, OR ABRASIVES. DIS-
PLAY GLASS SHOULD
NOT BE CLEANED WITH ANY CLEANER.
"live" or
Before cleaning the display, tum off the computer powerswitch and unplug the display power cord.
Dampen a clean, soft, lint-free cloth with a solution of clean water and mild soap. Wipe the soiled
areas of the display, ensuring that
no cleaning solution gets inside the display. For cleaning more
heavily soiled areas, a solution of 80% clean water
and 20% isopropyl alcohol may be used. Using
a clean, soft, lint-free cloth dampened with clean water, wipe over all areas that were cleaned with
cleaning solution. Then dry the computer with a clean, soft, dry cloth. A non-abrasive eraser may
be used to remove pen and pencil marks.

3-1
II Cha;~ I
L- ______________________________ ~
98760 Configuration
There is no other configuration of the 98760.

3-2 98760 Configuration

4-1
~ ________________ ~llcM4~rl
_ 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.

4-2 98760 Troubleshooting
Refer to 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

98760 Troubleshooting 4-3
PI
P2
To Alpha/Interface Board (A 73) To Alpha/Interface Board (A73)
Connector P3; Power Connector P4; lOP Bus
SGND 50 49 SGND GND 50
49
NBR
SGND 48
47 SGND NWAIT
48
47 GND
SGND 46 45 SGND NFLG 46 45
NSTS
SGND
44 43 SGND NRAMD
44 43
GND
18 42
41
18 READ 42
41
GND
18 40 39
-18
NPOLL 40 39 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 GND
10 9 NIC4 10 NIC3
GND
8 NIC2
NICl
6 GND
NPAO NPAl
NPA2 GND
Mainframe To Display Connectors Pin Location

4-4 98760 Troubleshooting
Replace CRTlYoke
Assembly
Dead Display Unit Troubleshooting Flowchart

Check Voltage Across
T101 for Red
T201 for Blu
T301 for Grn
on Video Drive Board
Check for continuity
T101 to 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

4-6 98760 Troubleshooting
Sweep Troubleshooting Flowchart

Point
(Read +78V)
98760 Troubleshooting 4-7
i ~O ~
Display Power Supply Test Points
Board Number 09836-66550
-12VTest
Point

4-8 98760 Troubleshooting