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HP P21b G4, Maintenance And Service Manual

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HP P21b G4 Maintenance And Service Manual Download Page 24

 
 

21

 

 

Index

 

components

 

front,

 

4

 

rear,

 

5

 

connector

 

repair,

 

14

 

features,

 

3

 

firmware

 

updates,

 

2

 

front

 

components,

 

4

 

function

 

test,

 

17

 

HDMI

 

connector

 

location,

 

15

 

how

 

to

 

order

 

parts,

 

9

 

illustrated

 

parts

 

catalog,

 

8

 

menu

 

button,18

 

parts,

 

9

 

power

 

board

 

removal,

 

15

 

power

 

button

 

location,

 

18

 

precautions,

 

1

 

preparation

 

for

 

disassembly,

 

10

 

RC

 

removal,

 

12

 

rear

 

components,

 

5

 

removal

 

power

 

board,

 

15

 

RC,

 

12

 

removal

 

and

 

replacement

 

procedures,

 

10

 

RoHS

 

(2002/95/EC)

 

requirements,

 

2

 

safety

 

information,

 

1

 

serial

 

number

 

location,

 

6

 

service

 

information,

 

1

 

support

 

and

 

troubleshooting,

 

17

 

troubleshooting,

 

17

 

VGA

 

connector

 

location,

 

16

 

 

Summary of Contents for P21b G4

Page 1: ...Maintenance and Service Guide P21b G4 model SUMMARY This guide provides information about spare parts removal and replacement of parts diagnostic tests problem troubleshooting and more ...

Page 2: ... States and other countries The information contained herein is subject to change without notice The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein Firs...

Page 3: ...Firmware updates 2 Before returning the repaired product to the customer 2 2 Monitor features 3 Features 3 Front components 4 Rear components 5 Locating the serial number and product number 6 3 Illustrated parts catalog 8 How to order parts 9 4 Removal and replacement procedures 10 Preparation for disassembly 10 RC 10 Function test 19 Support and troubleshooting 19 Index 21 ...

Page 4: ...pening the product s cabinet Modules containing electrical components are sensitive to electrostatic discharge ESD Follow ESD safety procedures while handling these parts Some products contain more than one battery Do not disassemble or expose a battery to high temperatures such as throwing into fire or the battery may explode Refer to government requirements for battery recycling or disposal This...

Page 5: ...tance in Electrical and Electronic Equipment Directive is a legal requirement by the EU European Union for the global electronics industry sold in the EU and other countries Any electrical and electronics products launched in the market after June 2006 should meet this RoHS requirement Products launched in the market before June 2006 are not required to be compliant with RoHS parts If the original...

Page 6: ...itor head mounting solutions High Definition Multimedia Interface HDMI video input Select Models Audio in jack Select Models Plug and play capability if supported by your operating system Security cable slot provision on rear of monitor for optional security cable On Screen Display OSD adjustments in several languages for easy setup and screen optimization High Bandwidth Digital Content Protection...

Page 7: ...4 Front components To identify the components on the front of the monitor use this illustration and table ...

Page 8: ...5 Rear components To identify the components on the rear of the monitor use this illustration and table ...

Page 9: ...r The SPEC label 1 and Barcode label 2 are located on the rear of the monitor The serial number and product number are located on a Safety label You may need these numbers when contacting HP about the monitor model For worldwide models except India ...

Page 10: ...7 For India ...

Page 11: ...8 3 Illustrated parts catalog To identify the monitor major components use this illustration and table ...

Page 12: ... C816 Digi Key 565 1478 ND Connectors by manufacturer Component description Location identifier Component distributor Distributer part number VGA P103 Digi Key 609 5181 ND HDMI P108 Digi Key 1175 1701 ND NOTE The connector may need to be modified to meet functionality regulatory and safety requirements if it is not an exact match You can purchase cables from the HP part store at https partsurfer h...

Page 13: ...in the Getting started chapter of this guide 2 Clean the room for disassembly 3 Identify the disassembly area 4 Check the position that the monitors are to be placed along with the number of monitors Prepare the area for material flow according to the disassembly layout 5 Be sure to have the following equipment and materials Press fixture Working table Screwdriver Knife Gloves Cleaning cloth ESD p...

Page 14: ...Remove the base Push the button of base to unlock the base then pull out the base form the stand 2 Remove the stand Push the button of stand to unlock the stand then pull out the stand form the monitor head ...

Page 15: ...ding case cables Remove the acetate tape red frame that fixes the wire and the isolation cover as shown in the figure unplug the backlight green frame and then remove the aluminum foil yellow frame that fixes the wire and the shield cover Remove the LVDS cable press the tabs on both sides and pull the LVDS cable upwards ...

Page 16: ...key board out of the front frame remove the tab on the function key board and pull out the function key wire 6 Remove speaker Remove the acetate tape red frame that fixes the wire and the shielding case as shown in the figure and pull the speaker out ...

Page 17: ...m shielding case Remove the screws 4 fixing the power board screws 2 fixing the mainboard and remove the conductive foam and acetate tape Remove the screws at the mainboard interface screw on the bottom of the shielding case ...

Page 18: ...umber is 21204 00942 Before removing the power board follow these steps Prepare the monitor for disassembly Remove the power board 1 The HP P21b G4 power board connector position is as follows 2 Locate the part number location on the board ...

Page 19: ... connectors are on the main board board part number 60104 09633 The connectors identifiers are as follows Connector Location HDMI P108 VGA P103 Before repairing connectors follow these steps Prepare the monitor for disassembly See Preparation for disassembly on page 10 ...

Page 20: ...e pin 4 Use a hot air gun to melt the solder on the pins 5 Lift the P108 connector from the PCB 6 Place the new component on the PCB Be sure that it matches the PCB footprint 7 Solder the new component VGA connector P103 Repair the VGA connector 8 Use a soldering iron and a desoldering pump to remove as much solder as possible from the pin ...

Page 21: ...18 9 Lift the P103 connector from the PCB 10 Place the new component on the PCB Be sure that it matches the PCB footprint 11 Solder the new component ...

Page 22: ...wer cord Monitor is off Power the power button NOTE If pressing the Power button has no effect press and hold the power button for 10 seconds to disable the Power button lockout feature Video cable is improperly connected Connect the video cable properly System is in Sleep mode Press any key on the keyboard or move the mouse to exit Sleep mode Video card is incompatible Open the OSD menu and selec...

Page 23: ... The monitor s power saving control is disabled Open the OSD menu and select Power Control Auto Sleep Mode and set auto sleep to On On Screen Menus are Locked is displayed The monitor s OSD lock function is enabled Press and hold the Menu button on the front bezel to 10 seconds to disable the OSD lockout function Power Button is Locked is Displayed The monitor s power button is locked Press and ho...

Page 24: ...og 8 menu button 18 parts 9 power board removal 15 power button location 18 precautions 1 preparation for disassembly 10 RC removal 12 rear components 5 removal power board 15 RC 12 removal and replacement procedures 10 RoHS 2002 95 EC requirements 2 safety information 1 serial number location 6 service information 1 support and troubleshooting 17 troubleshooting 17 VGA connector location 16 ...

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