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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.
Table of Contents
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Summary of Contents for HP 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 Devices, Inc. Bluetooth is a trademark owned sure to read “Important Safety Information”. by its proprietor and used by HP Inc. under license. NVIDIA is a trademark and/or registered trademark of NVIDIA Corporation in the U.S. and other countries. USB Type-C and USB-C are registered trademarks of USB Implementers Forum.
  • Page 3: Table Of Contents

    Table of Contents 1 Getting started ................................1 Important safety information ..........................1 Important service information and precautions ....................1 RoHS (2002/95/EC) requirements .......................... 2 General descriptions .............................. 2 Firmware updates ..............................2 Before returning the repaired product to the customer ..................2 2 Monitor features ................................
  • Page 5: Getting Started

    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.
  • Page 6: Rohs (2002/95/Ec) Requirements

    Level 2: Circuit board or standard parts replacement Firmware updates Firmware updates for the monitor are available at support.hp.com. If 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.
  • Page 7: Monitor Features

    For safety and regulatory information, refer to the Product Notices provided in your documentation kit. To access the latest user guides or manuals for your product, go to http://www.hp.com/support and follow the instructions to find your product. Then select Manuals.
  • Page 8: Front Components

    Button components To identify the components on the front of the monitor, use this illustration and table. Back of monitor showing locations of controls Table 1-1: Button components and their descriptions Component Function Menu/Select Opens the OSD menu or selects items on the OSD menu.
  • Page 9: Rear Components

    Connects a VGA cable to the source device. 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...
  • Page 10: Locating The Serial Number And Product Number

    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.
  • Page 11 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 Barcode label Barcode label for Worldwide region of P19b G4 Barcode label for India region of P19b G4 Spec label Spec label for Worldwide region of V20...
  • Page 13 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 Bar code label Barcode label for Worldwide region of P204v Barcode label for India region of P204v...
  • Page 15: Illustrated Parts Catalog

    Illustrated parts catalog To identify the monitor major components, use this illustration and table. P19b G4 and V19 Mechanical explosion of P19b G4 and V19 Item Description ASSY, BEZEL, P19bG4 (/ V19) Panel (TBC) SCREW, P, CROSS M3*6, ZN-CC MYLAR, PWR to Panel, V19...
  • Page 16 V20/P204v Mechanical explosion of V20 Item Description SCREW, I, CROSS, M4*10, BLK-NL ASSY, BUCKET, CMI, P204v Keypad (TBC) MYLAR, CHASSIS MAIN, P174, TOP 2 ASSY, CHASSIS, P204v MYLAR, POWER BOARD AND PANEL, P174 SCREW, P, CROSS M3*6, ZN-CC PANEL (TBC) ASSY, BEZEL, CMI, P204 RUBBER FOR LENS, BLACK, P204, HF SCREW, PW, CROSS M4X9, Zn-CC...
  • Page 17: How To Order Parts

    You can purchase cables from the HP part store at https://partsurfer.hp.com/Search.aspx. NOTE: HP continually 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.
  • Page 18: Removal And Replacement Procedures

    Removal and replacement procedures Adherence to these procedures and precautions is essential for proper service. Preparation for disassembly Use this information to properly prepare to disassemble and reassemble the monitor. 1) Read the “Important safety information” and “Important service information and precautions” sections in the “Getting started”...
  • Page 19 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. 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.
  • Page 20 Separate taps and cable 6) Take out chassis and panel. 7) Take away the mylar. Unscrew two bolts and six screws. Separate screws 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.
  • Page 21 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. Separate taps and cable 6) Take out chassis and panel.
  • Page 22: Power Board

    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. ▲...
  • Page 23: Connector Repair

    2) Locate the part number location on the board. Part number location of power 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;...
  • Page 24: Vga Connector Cn201

    P19b G4/V20/P204v The connectors identifiers are as follows: Connector Location HDMI Port CN301 VGA Port CN201 Connector location of Mainboard Before repairing connectors, follow these steps: Prepare the monitor for disassembly. See Preparation for disassembly on page 14. ▲ VGA connector CN201 Repair the VGA connector: 1) Use a hot air gun to melt the solder on the pins.
  • Page 25: Hdmi Connector Cn301

    HDMI connector CN301 Repair the HDMI 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 CN301 out of the through holes. Take off HDMI connector 2) Lift the CN301 connector from the PCB.
  • Page 26: Vga Connector Cn201

    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.
  • Page 27 Table 4-2: Solving common problems Problem Possible cause Solution Screen is blank or Power cord is disconnected. Connect the power cord. video is flashing. 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...
  • Page 28: Index

    Index Auto Adjustment /Minus, 4 preparation for disassembly, 14 Brightness /Exit, 4 RC removal, 14 button components, 4 rear components, 5 components removal button, 4 power board, 18 rear, 5 RC, 14 connector repair, 19 removal and replacement procedures, 14 features, 3 returning to customer, 2 firmware updates, 2...

This manual is also suitable for:

V19V20P204v

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