HP M24 Maintenance And Service Manual Download Page 5

 
 

 

1.

 

Getting started 

Read this chapter  to learn about safety  information and where  to find additional HP resources. 

 

Important safety information 

Carefully  read the cautions and notes within this document to minimize the risk of personal injury to service  personnel. 
The cautions and notes are not exhaustive. Proper service methods are important to the safe, reliable  operation of 
equipment. Improper service methods can damage equipment. 

The service  procedures recommended and described in this service  manual provide effective  methods of performing 
service  operations. Service  engineers should have prior repair knowledge and experience  as well as appropriate training 
for the product before performing service procedures. 

● 

Be sure  your  working environment  is dry and clean  and meets  all government safety  requirements. 

● 

Be sure  that other persons are safe  while you  are servicing  the product. 

● 

Do not perform  any action that can cause  a hazard to the customer  or make  the product unsafe. 

● 

Use proper safety  devices  to ensure  your  personal safety. 

● 

Always use approved  tools and test equipment  for servicing. 

● 

Never  assume  the product’s power is disconnected from  the main power supply. Check  that it is 
disconnected before  opening 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 information provides general service  information for the monitor. Adherence to the procedures and 
precautions is essential for proper service. 

 

 

IMPORTANT: 

Only trained service personnel who are familiar with this HP product should perform service or 

maintenance for it. Before performing any service or maintenance, personnel must read the important safety information. 

 

 

IMPORTANT: 

You must disconnect the power cord from the power source before opening the monitor to 

prevent component damage. 

 

 

Important service information and precautions 

● 

Repair  must be performed  by professional  service  technicians  in a repair  center.  End users should not 
perform  these procedures. 

● 

Please  note during servicing that the primary  side is the high voltage area. 

● 

This monitor meets ROHS  requirements.  Be sure to use lead-free  solder wire when soldering. 

● 

If you  must change a capacitor,  be sure to match  the polarity  as printed on the PCB. 

● 

If you  must replace  a capacitor,  make  sure  the specification  and part number match  the BOM and location. 

Summary of Contents for M24

Page 1: ...Maintenance and Service Guide M27 Webcam and M24 Webcam model SUMMARY This guide provides information about spare parts removal and replacement of parts diagnostic tests problem troubleshooting and more ...

Page 2: ...er countries The informationcontained hereinis subject to change without notice The onlywarranties for HP products and services are set forth inthe express warranty statements accompanying such products and services Nothing herein should be construedas constitutingan additional warranty HP shall not be liable for technical oreditorialerrors oromissions containedherein First Edition Jan 2022 Docume...

Page 3: ...4 Features 4 Front components 5 Rear components 6 Locating the serial number and product number 7 3 Illustrated parts catalog 9 How to order parts 10 4 Removal and replacement procedures 12 Preparation for disassembly 12 Rear cover 12 Power board 16 Connector repair 17 USB 3 0 TYPE A CN1101 CN1102 19 Repair the usb connector 19 PHONE JACK CN601 19 HDMI connector CN501 19 DP connector CN502 20 Func...

Page 4: ......

Page 5: ...efore opening 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 dispos...

Page 6: ...ction of Hazardous Substance 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 RoH...

Page 7: ...3 product before returning it to the customer ...

Page 8: ...ing from side to side Tilt and height adjustment capabilities for 23 8 and 27 monitor Landscape orientation only for 23 8 and 27 monitor Menu button and four on screen display OSD buttons three that you can reconfigure to quickly allow selection of the most commonly used operations Onscreen display OSD adjustments in several languages for easy setup and screen optimization Embedded 2w SPK per side...

Page 9: ...5 Front components To identify the components on the front of the monitor use this illustration and table Press the power button on the bottom of the monitor to turn it on ...

Page 10: ...power cord 2 DisplayPort IN port Connects a DisplayPort cable from the source device to the monitor 3 HDMI Port Connects an HDMI cable from the source device to the monitor 4 USB Type C Connects a USB TypeC cable from the source device to the monitor Serves as a single connection when docking an HP notebook 5 USB ports 2 Connects a USB device provides high speed data transfer and charges small dev...

Page 11: ...ss the buttons to navigate through the menu 9 Power button Turns the monitor on or off 10 Security cable slot Connects an optional security cable Locating the serial number and product number Depending on the product the serial number and product number are located on a label on the rear of the monitor or on a label under the front bezel of the monitor head You might need these numbers when contac...

Page 12: ...8 For India ...

Page 13: ... item part name q ty 1 Deco bezel 1 2 lens 1 3 Led board 1 4 PANEL 1 5 MIDDLE FRAME 1 6 speaker 2 7 Power mylar 1 8 Power board 1 9 MAINFRAME 1 10 Key board 1 11 Key lock plate 1 12 Rear cover 1 13 column 1 14 Base 1 15 scalarBOARD 1 16 sensor BOARD 1 17 Bkt webcam 1 18 Webcam board 1 19 Webcam rubber 2 ...

Page 14: ...ine com DK https www digikey com Connectors by manufacturer Component description Location identifier Componentdistributor Distributerpart number CONN PHONE JACK CN601 DK 839 54 00175TR ND 839 54 00175CT ND 839 54 00175DKR ND 54 00175 HDMI CN501 DK 1 1747981 1 DP CN502 DK 670 2430 ND JAE USB 3 0 TYPE A CN1101 CN1102 DK 732 3146 2 ND 732 3146 1 ND WE USB Type C CN5102 DK 670 2846 2 ND 670 2846 1 ND...

Page 15: ...earch aspx NOTE HPcontinually improves and changes product parts For complete and current information about supported parts for your computer go to http partsurfer com select your country or region and then follow the on screen instructions Internal and External Power Supplies are available for purchase from the following EU distributor EET https www eetgroup com en eu ...

Page 16: ...r of this guide 3 Clean the room for disassembly 4 Identify the disassembly area 5 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 Be sure to have the following equipment and materials Press fixture Working table Screwdriver Knife Gloves Cleaning cloth ESD protection Scraper bar in the fo...

Page 17: ...er Step Figure Description Remove the HINGE ASS Y Remove the hinge assy by push the hook up Remove the rear cover Remove the rear cover screws by the screwdriver Remove the rear cover from the top side by scraper disconnect ...

Page 18: ...14 the connectors of keyboard Disconnect the connectors of camera board and remove the tapes ...

Page 19: ...15 Remove the boards Turn over the mainframe and remove the mylar Remove the mainboard and power board screws by the screwdriver Mainboard and power board ...

Page 20: ...L Power board The power board part number is PLPCLH471GFA1 Before removing the power board follow these steps Prepare the monitor for disassembly See Preparation for disassembly on page 12 Remove the power board 1 The HP M27 power board connector position is as follows ...

Page 21: ... The connectors are on the main board board part numberCBPR1A1H0F2 The connectors identifiers are as follows Connector Location Display Port CN502 HDMI CN501 PHONE JACK CN601 USB 3 0 TYPE C CN5102 USB 3 0 TYPE A CN1101 CN1102 Warning after unplug the power supply the capacitance is still chagred do not touch and discharge the capacitor ...

Page 22: ...ons The fusion point of Lead Free solder is requested Repairing with conventional lead wire may cause damage Work quickly to avoid overheating the circuit board as soon as you confirm the steady soldering condition Keep the soldering iron tip clean and well tinned and when replacing parts A close inspection of the circuit board revealed look in good condition After repaired must connect source to ...

Page 23: ... Place the new component on the PCB Be sure that it matches the PCB footprint 4 Solder the new component PHONE JACK CN601 Repair the PHONE JACK connector 1 Use a hot air gun to melt the solder on the pins Pin solder with soldering iron and absorber You can gently push down with the soldering iron once everything is molten to move the CN601 out of the through holes 2 Lift the CN601 connector from t...

Page 24: ...the pins 3 Lift the CN501 connector from the PCB 4 Place the new component on the PCB Be sure that it matches the PCB footprint Solder the new component DP connector CN502 Repair the DP connector 1 Use a soldering iron and a desoldering pump to remove as much solder as possible from the pin 2 Use a hot air gun to melt the solder on the pins ...

Page 25: ...test Confirm whether image displays and sound plays correctly on the monitor Computer or DVD player Audio test Change volume and balance to confirm whether volume is smooth and loud enough Speaker Table 4 2 Solving common problems Problem Possible cause Solution Screen is blank or video is flashing Power cord is disconnected Connect the power cord Monitor is off Power the power button NOTE If pres...

Page 26: ... cable Input Signal Out of Range is displayed on screen Video resolution and or refresh rate are set higher than what the monitor supports Change the settings to a supported setting The monitor is off but it did not seem to enter into Sleep mode 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 Loc...

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