HP E27q G4 Maintenance And Service Manual Download | Manualshive

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Summary of Contents for E27q G4

Page 1: ...Maintenance and Service Guide E27q G4 model SUMMARY This guide provides information about spare parts removal and replacement of parts diagnostic tests problem troubleshooting and more ...

Page 2: ...tates 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 First ...

Page 3: ... 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 11 Preparation for disassembly 11 Rear Cover 12 Power board 14 Connector repair 18 VGA connector J401 19 HDMI connector J601 20 DP connector J501 21 USB B 3 0 Connector repair JA1 22 DUAL USB A 3 0 Connector repair JB1 23 Stick Gas...

Page 4: ...mer 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 proced...

Page 5: ...ement 1 A professional repairer must have the technical competence to repair electronic displays and comply with the applicable regulations for repairers of electrical equipment in the Member States where the repairer operates Reference to an official registration system as professional repairer where such a system exists in the Member States shall be accepted as proof of compliance 2 A profession...

Page 6: ... no firmware is posted the monitor does not need a firmware update Before returning the repaired product to the customer Perform an AC leakage current check on exposed metallic parts to be sure the product is safe to operate without the potential of electrical shock Do not use a line isolation transformer during this check Measurements that are not within specified limits present a possible shock ...

Page 7: ...e included VGA video input cable included in select regions USB hub with one USB Type B port cable included that connects to the computer upstream and four USB ports that connect to USB devices downstream Four on screen display OSD buttons three that you can reconfigure to quickly allow selection of the most commonly used operations Plug and Play capability if supported by your operating system VE...

Page 8: ...em from the OSD or close the OSD menu 2 OSD buttons assignable When the OSD menu is open press the buttons to navigate through the menu The function light icons indicate the default button functions 3 Power button Turns the monitor on or off 4 Power light White The monitor is on Amber The monitor is in a reduced power state because of inactivity Blinking amber The monitor is in a reduced power sta...

Page 9: ...I port Connects the HDMI cable to a source device such as a computer or game console 6 VGA port Connects the VGA cable to the source device 7 USB Type B port upstream Connects the USB Type B cable to a source device such as a computer or game console NOTE A USB Type B cable or a USB Type C cable must be connected from the source device to the monitor to enable USB Type A ports on the monitor 8 USB...

Page 10: ...bel 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 Spec label Barcode label ...

Page 11: ...8 For India Spec label Bar code label ...

Page 12: ...mponents use this illustration and table Item Description Qty 1 DECO 1 2 PANEL 1 3 MIN FRAME 1 4 MAIN SHD 1 5 SPS BD 1 6 IF BD 1 7 MYLAR POWER BD 1 8 LVDS 1 9 REAR CASE 1 10 CTRL BD 1 11 USB BD 1 12 USB SHD 1 13 COLUMN 1 14 BASE 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...

Page 13: ...er VGA J401 RS 923 0676 HDMI J601 Farnell RS Molex 2086581001 Display Port J501 Farnell RS Molex SD 47272 0024 USB 3 0 Type B JA1 Farnell WURTH ELEKTRONIK 692221030100 UAB A DUAL JB1 Farnell WURTH ELEKTRONIK 692141030100 Gasket by distributor Component Description Location Identifier Component Distributor Part number of Manufacturer Distributor Gasket for DP and HDMI SHD Farnell 3021717 Specificat...

Page 14: ...ce information and precautions sections 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 Screw...

Page 15: ...r S1 Unlock 4 RC screws as the picture1 PICTURE 1 S2 Disassemble the RC from the Panel Pull out and tear off the USB BD cable and CTRL BD wire as the picture1 PICTURE 1 1 4 3 2 Disassemble left side and the corner ...

Page 16: ...ICTURE 1 PICTURE 2 S4 1 Tear off conductive cloth on the LVDS FFC as the picture 1 2 Pull out the LVDS FFC into Panel 3 Disassemble the SHD 4 Unlock 15 MF screws 5 Disassemble the MF on the Panel PICTURE 1 S5 1 Remove the Mylar on the P BD Unlock 6 PCBA screws from the PCBA as the picture 1 2 Unlock 2 hexagonal screws from the SHD PICTURE 1 1 6 5 4 3 2 Main BD Power BD ...

Page 17: ...sembly on page 11 Remove the power board Locate the part number location on the board IMPORTANT Repairing must operate by professional repairers in HP repair center not applicable for end user The primary side is the high voltage area please take care when repair Front and Back view After repaired must check PSU function is ordinary Power BD PN Primary Side Primary Side ...

Page 18: ...lead to malfunctions 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 d...

Page 19: ...e C706 C707 and C708 locations are identified below 1 You must disconnect the power cord from the power source before opening the monitor to prevent component damage 2 Use Multimeter measure whether EL capacitors still have charge Before repairing must discharging it C706 C707 C708 Power Board Power Board ...

Page 20: ...he PCB 4 Place new component on the location and must check polarity match PCB print After repaired please double check whether polarity match PCB print solder empty and unnecessary solder after soldering must remove Power Board ...

Page 21: ...ard board part number 5E 4QU01 00 The connectors identifiers are as follows Connector Location VGA J401 HDMI J601 Display Port J501 USB 3 0 Type B JA1 UAB A DUAL JB1 Before repairing connectors follow these steps Prepare the monitor for disassembly See Preparation for disassembly on page 11 Main Board J501 J601 J401 JA1 JB1 ...

Page 22: ...de soldering pump to remove as much solder as possible from the pin 2 Use a hot air gun to melt the solder on the pins 3 Lift the J1 connector from the circuit board 4 Place the new component on the circuit board Be sure that it matches the footprint 5 Solder the new component ...

Page 23: ... de soldering pump to remove as much solder as possible from the pin 2 Use a hot air gun to melt the solder on the pins 3 Lift the J3 connector from the circuit board 4 Place the new component on the circuit board Be sure that it matches the footprint 5 Solder the new component ...

Page 24: ...e soldering pump to remove as much solder as possible from the pin 2 Use a hot air gun to melt the solder on the pins 3 Lift the J2 connector from the circuit board 4 Place the new component on the circuit board Be sure that it matches the footprint 5 Solder the new component ...

Page 25: ...oldering iron and absorber You can gently push down with the soldering iron once everything is molten to move the connector out of the through holes 2 Lift connector from the PCB 3 Place new component on the location and must check it can match PCB footprint 4 Soldering the new component by solder iron ...

Page 26: ...h soldering iron and absorber You can gently push down with the soldering iron once everything is molten to move the connector out of the through holes 2 Lift connector from the PCB 3 Place new component on the location and must check it can match PCB footprint 4 Soldering the new component by solder iron ...

Page 27: ... the gasket and align the gasket to the right side of the HDMI Alignment refers to the yellow arrow in the image below 3 Press the gasket to the end of shielding with your fingers and confirm that it will not fall If the gasket falls on the inner boards it will cause a short circuit and damage the Monitor 4 After assembly check from the appearance whether the connector is indeed fixed with the gas...

Page 28: ...lays correctly on the monitor Computer HDMI test Confirm whether image displays and sound plays correctly on the monitor Computer or DVD player DP test Confirm whether image displays and sound plays correctly on the monitor Computer or DVD player USB 3 0 Type B Check the USB 3 0 device whether works normally USB3 0 device UAB A DUAL Check the USB A device whether works normally USB A device ...

Page 29: ...too low Open the OSD menu and select Brightness to adjust the brightness scale as needed Check Video Cable is displayed on screen Monitor video cable is disconnected Connect the appropriate video signal cable between the computer and monitor Be sure that the computer power is off while you connect the video cable Input Signal Out of Range is displayed on screen Video resolution and or refresh rate...

Page 30: ... 14 Power button 5 Power connector 6 Power light 5 precautions 2 preparation for disassembly 11 R RC removal 12 rear components 6 removal power board 14 RC 12 removal and replacement procedures 11 returning to customer 3 RoHS 2002 95 EC requirements 2 S safety information 1 Security cable slot 6 serial number location 7 service information 2 spare parts 9 support and troubleshooting 26 T troublesh...

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