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HP P19b G4, Maintenance And Service Manual

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HP P19b G4 Maintenance And Service Manual Download Page 22

18 

 

  

  

   

Separate screws from PCBA board 

8)

 

Take out power board and IF board, and then disconnect the terminals 

. 

    

 

Separate PCBA from chassis 

 

Power board

 

The power board part number is 790**1400***H01*. 

Before removing the power board, follow these steps: 

▲ 

Prepare the monitor for disassembly. See Preparation for disassembly on page 14. 

Remove the power board: 

1)

 

The power board connector position is as follows: 

 

Power Board location showing of connector 

CN4 Foxconn P/N: 3406BA900-39U-H 

CN851 Foxconn P/N: 3406BA900-39U-H 

Summary of Contents for P19b G4

Page 1: ...Maintenance and Service Guide P19b G4 V19 V20 P204v 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 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 Edition July ...

Page 3: ...stomer 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 11 How to order parts 13 4 Removal and replacement procedures 14 Preparation for disassembly 14 Rear Cover 14 Power board 18 Connector repair 19 VGA connector CN201 20 HDMI connector CN301 21 VGA connector CN201 22 Function test 22 Function test ...

Page 4: ......

Page 5: ...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 Thi...

Page 6: ...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 7: ...g from side to side select products only Tilt capability VGA video inputs select products only HDMI High Definition Multimedia Interface video input select products only Plug and play capability if supported by your operating system Cable management feature for placement of cables and cords Security cable slot on the rear of the monitor for an optional security cable On Screen Display OSD adjustme...

Page 8: ...m a VGA Minus If the OSD menu is open press to navigate backward through the OSD menu and decrease adjustment levels 3 Viewing Modes Plus Viewing Modes If the OSD menu is inactive press to activate the Viewing Modes to choose different video settings Plus If the OSD menu is open press to navigate forward through the OSD menu and increase adjustment levels 5 Brightness Exit Brightness If the OSD me...

Page 9: ...a VGA cable to the source device 3 Security cable slot Connects an optional security cable P19b G4 V20 P204v Rear component location showing of P19b G4 Rear component location showing of V20 P204v Table 1 3 Rear components and their descriptions Component Function 1 Power connector Connects the power cable to the monitor 2 HDMI connector Connects an HDMI cable to the source device 3 VGA connector ...

Page 10: ... 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 Label Location For worldwide models except India V19 Spec label Spec label for Worldwide region of V19 Barcode label ...

Page 11: ...7 Barcode label for Worldwide region of V19 Barcode label for India region of V19 P19 G4 Spec label Spec label for Worldwide region of P19b G4 ...

Page 12: ...8 Barcode label Barcode label for Worldwide region of P19b G4 Barcode label for India region of P19b G4 V20 Spec label Spec label for Worldwide region of V20 ...

Page 13: ...9 Bar code label Barcode label for Worldwide region of V20 Barcode label for India region of V20 P204v Spec label Spec label for Worldwide region of P204v ...

Page 14: ...10 Bar code label Barcode label for Worldwide region of P204v Barcode label for India region of P204v ...

Page 15: ...scription Qty 1 ASSY BEZEL P19bG4 V19 1 2 Panel TBC 1 3 SCREW P CROSS M3 6 ZN CC 5 4 MYLAR PWR to Panel V19 1 5 ASSY CHASSIS 1A1H P19bG4 VGA V19 1 6 ASSY BUCKET INX P19bG4 1 7 SCREW I CROSS M4 10 BLK NL 4 8 ASSY STAND ARM P19bG4 1 9 ASSY STAND BASE P19bG4 1 10 Keypad TBC 1 11 MYLAR CHASSIS BOTTOM V19 1 12 PCBA PWR TBC 1 13 PCBA IF TBC 1 14 SCREW PW CROSS M4X9 Zn CC 1 ...

Page 16: ... P204v 1 6 MYLAR POWER BOARD AND PANEL P174 1 7 SCREW P CROSS M3 6 ZN CC 5 8 PANEL TBC 1 9 ASSY BEZEL CMI P204 1 10 RUBBER FOR LENS BLACK P204 HF 1 11 SCREW PW CROSS M4X9 Zn CC 1 12 PCBA PWR TBC 1 13 MYLAR CHASSIS SAFETY 1 ISLAND P174 1 14 PCBA IF TBC 1 15 MYLAR CHASSIS SAFETY 2 ISLAND P174 1 16 SCREW I CROSS T T2 4 LE14JT 71L HF 2 17 ASSY STAND BASE P204 1 18 ASSY STAND ARM P204 1 ...

Page 17: ...pacitors RS Components rs online com Digi Key Component Digi Key Electronic United Kingdom Capacitors by distributor Component description Location Component distributor Distributor part number Capacitor 680 µF 10 12 5 10K C873 Farnell 16ZLH680MEFC10X12 5 Capacitor 680 µF 10 12 5 6K 16ZLS680MEFC10X12 5 Capacitor 680 µF 10 12 5 10K RS 16ZLH680MEFC10X12 5 Connectors by manufacturer Component descrip...

Page 18: ...sassembly 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 protection Scraper bar in the following dimensions Rear Cover Before ...

Page 19: ...d rear case The hook opens Repeat the steps Separate the front bezel and rear case 3 Turn over rear cover and disconnect the terminal Separate the cable 4 Peel off the cable from rear cover unfix two screws Separate keyboard from rear cover 5 Peel off all aluminum foils and tapes disconnect the cables ...

Page 20: ...from PCBA board 8 Take out power board and IF board and then disconnect the terminals Separate PCBA from chassis Remove the Rear Cover of V20 P204v 1 Remove four screws from the rear case Remove the rear cover screws 2 Insert the scraper bar tool into the gap between the front bezel and rear case The hook opens Repeat the steps ...

Page 21: ...ate the cable 4 Peel off the cable from rear cover unfix two screws Separate keyboard from rear cover 5 Peel off all aluminum foils and tapes disconnect the cables Separate taps and cable 6 Take out chassis and panel Take off the rubber on bezel 7 Take away the mylar Unscrew two bolts and six screws ...

Page 22: ...ower board part number is 790 1400 H01 Before removing the power board follow these steps Prepare the monitor for disassembly See Preparation for disassembly on page 14 Remove the power board 1 The power board connector position is as follows Power Board location showing of connector CN4 Foxconn P N 3406BA900 39U H CN851 Foxconn P N 3406BA900 39U H ...

Page 23: ...wer board 3 Remove the backlight cable and main board Remove the backlight cable and main board Connector repair This procedure includes VGA and HDMI connectors The connectors are on the main board board part number V19 790RQ1300 R01 V20 P204v 790S71300 H01 P19b 790RP1300 H01 v ...

Page 24: ...assembly on page 14 VGA connector CN201 Repair the VGA 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 CN201 out of the through holes Take off VGA connector 2 Lift the CN201 connector from the PCB 3 Place the new component on the circuit board Be sure that...

Page 25: ...301 out of the through holes Take off HDMI connector 2 Lift the CN301 connector from the PCB 3 Place the new component on the PCB Be sure that it matches the PCB footprint 4 Solder the new component V19 The connectors identifiers are as follows Connector Location VGA Port CN201 Connector location of Mainboard Before repairing connectors follow these steps Prepare the monitor for disassembly See Pr...

Page 26: ...ems the possible cause or each problem and the recommended solutions Function test After repair be sure to confirm that all functions are working Table 4 1 Function test Te st item Operating description Tool used 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 Co...

Page 27: ...ess 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 are set higher than what the monitor supports Change the settings to...

Page 28: ...wer button location 4 power connector location 5 precautions 1 preparation for disassembly 14 RC removal 14 rear components 5 removal power board 18 RC 14 removal and replacement procedures 14 returning to customer 2 RoHS 2002 95 EC requirements 2 safety information 1 Security cable slot 3 Security cable slot location 5 Security cable slot location 5 serial number location 6 service information 1 ...

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