Question about HP Pavilion F1903 19" Flat Panel LCD Monitor

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HP VS19e Monitor - no power

Hello,

You noted that the monitor may have bad capacitors. I would like to know how to open the monitor so I can replace the capacitors. Thanks

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  • Anonymous Jun 18, 2008

    I also have an HP VS19E monitor; 16 months old, no power. I have to seriously reconsider ever purchasing another HP product again.

  • Anonymous Jun 22, 2008

    HP vs19d Monitor, working fine one day, next day no power. Tried new power cord, still blank screen. Took to local tech. He plugged in my power cord and the monitor worked fine. He said sometimes you have to push cord in very hard to make connection. Back home I plugged it in again and it worked about 6 hrs. Next day, blank screen. Removed cord, pushed in hard, wiggled it, pulled it out, cleaned contacts, reconnected. Still no power.

  • zmann308 Aug 16, 2008

    same problem

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There are three (3) capacitors that go bad on the power supply board. MAKE magazine's Instructable site has a good guide on replacing them. I have a june 07 and july 07 date monitors. they were different inside!! identical outside, however. The bulged,'bad' components were 1000uf 10v cap's, I put in radio shack 272-1032 1000uf 35wvdc. My monitors? BOTH were bought for $35 on craigslist, $10.35 in parts. ???BusinFLA -at- hotma*l dot com.....worked for me!

Posted on Nov 18, 2008

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Thx i solder three new power caps on the powerboard it was 10 min work i put
10volt 1000uf 2x put new one 35volt 1000 uf

25volt 680uf 1x put new one 25 volt 680uf but a bigger one

so thx for the help peace martin

Posted on Sep 22, 2008

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Hp monitor wont turn on.


Hello,

First, remove the power cord from the wall, insert it into another outlet. Also, change the power cord, in case it is bad. Sometimes a bad power cord may not pass current into the monitor. But if problem persist, then it means the monitor is having a power problem.

The issue you describe is consistent with a power supply board issue. This is the board where the AC goes to. This problem may have occurred as a result of irregular power supply, or excess power supply or power surge.

The monitor is receiving current but cannot circulate or transfer the current to other necessary part of the monitor because of the defective power supply board. You might be lucky it's just a blow fuse. Also a defective transformer can cause your monitor not to power on.

All these can be checked on the power supply board.

But more often bad capacitors causes problem on the power supply board. I do not think the power board needs replacement, rather those defective capacitors is causing this issue. Open unit up and take a look at the power supply board.You will probably see one or more electrolytic filter capacitors that are bulged up in the top-not perfectly flat like the others.

The value of these capacitors will be different, most likely they will be somewhere around-820 to 2200uF/25 V( or /10V sometimes)

You can replace them with same values but I would recommend the voltage rating to be higher(like 35V for an original 25V) for reliability purposes.

What happens is,these bulged top capacitors will cause a low and unfiltered DC voltage=main board will malfunction(the relay will keep clicking until the caps are holding enough charge to bring the voltage up over a threshold point).

You can buy these capacitors at any Fry's or Radioshack store or you can order them online at vendors like "mcmelectronics.com"(look for electrolytic capacitors). After replacing these capacitor(capacitors) most likely the normal operation will be restored. Or you can by a refurbished complete power board to save you some stress.

Note: There may be also some other causes for this symptom ,like a defective T con board ,or main board,but the bulged top capacitors are the most common cause for this issue.

If you don't know about monitor repairers, take the monitor to the nearest repairman to fix the fault for you. Also, note that monitor stores a lot of current, so wait a while before opening the monitor back cover.

I hope this helps.

Regards.

Sep 13, 2011 | HP Pavilion F1703 17" LCD Monitor

2 Answers

Hp vs19e lcd sreeen stoped working power light button does not come on, the monitor is around 4 years old is it worth fixing or time for new one?


If you have it repaired by the shop then it will not be worth it, if you want to DIY repair then you need to buy proper tools.
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed HP monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Oct 06, 2010 | HP vs19 (Silver) 19" LCD Monitor

1 Answer

My HP vs19e monitor takes almost 5 minutes to "wake up". Works fine once running. It never took this long before. Any ideas?


most common problem is bad electrolytic capacitors if unit is a few years old. Take it apart and replace any swollen, ie bulging top of the aluminium can... but may be 'off-value' if not swollen. Any electronics from China will fail within 3 years due to bad electrolytic caps..

Sep 07, 2010 | HP w19 19" LCD Monitor

1 Answer

My HP vs19e monitor is black when computer is turned on. When I turn the power off, on the monitor and turn on again, my main screen flashes on for a second and then is black again. HELP! I'm using my...


If you are going to do DIY repair, please read below and look at the links. Common problem with all brand that are more than 2 years old.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed HP and other monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Jun 14, 2010 | HP vs19 (Silver) 19" LCD Monitor

1 Answer

HP vs19e monitor now dead. It flashed weakly, then quit. The push-button power switch will not turn on the indicator light. I have tried a different power cord, but still nothing. How does one open the...


There are four tabs at the bottom edge of the case tha needed to be release to open up the case.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed HP monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Jun 13, 2010 | HP Pavilion F1903 19" Flat Panel LCD...

1 Answer

My HP vs19e Monitor went black, when I turn it off...


guest, If monitor vs19e acts same when connected to different "known good" pc then try this site for info: http://www.lesliewong.us/blog/2005/05/02/hp-pavilion-f1703-flat-panel-display-blackout-solution/ How old is this model? When was last time it worked correctly? 12fixlouie

May 19, 2010 | HP Pavilion F1903 19" Flat Panel LCD...

2 Answers

HP vs19e Flat Panel Monitor. model HSTND-2LO7, product# EN632AA made March 2006. I have no power indication. Checked internal power supply connections and PC mounted fuses. Tested operation with another...


If it's under warranty, then take it back for repair or replacement. If it's not under warranty then plan to buy a new one. Unfortunately, in the modern world, faulty electronics without a warranty on them are becoming increasingly known as "throw away items". This has started to happen with monitors. They call them throw away items because it typically costs just as much or more to have it repaired as it does to replace it with a new one. There are several things that could cause the monitor to go black: Bad inverter, Bad back-lights, Bad throwback (transformer), Bad LCD, & etc. Look for any burned resistors or popped capacitors on the circuit boards also. I've had a few monitors where all I had to do was replace the faulty resistor or capacitor and it worked fine.

Mar 22, 2010 | Computers & Internet

2 Answers

HP vs19e monitor is blank. Power button is slowly


that is not a monitor problem that is a cpus problem disconnect the signsl cable and connect power cable you will see the post (power on self test) open the cpu draw the ram clean the dust and reinstall the problem will solved

Feb 26, 2010 | HP vs19 (Silver) 19" LCD Monitor

1 Answer

I want to replace the power switch board on my hp vs19e monitor.


About your only hope for getting a replacement switch is to buy a "Parts Only" monitor off of EBay and carefully remove the switch. This one is tricky it's attached to the front bezel as you've likely found out. When you disassemble the monitor, lay it face down and remove the bac plastic then remove the 4 screws holding the button board on then take the rest apart. That's the safest way.

Mar 28, 2009 | HP Pavilion F1903 19" Flat Panel LCD...

1 Answer

I replaced the 3 capacitors now there's just bright white screen


Open your monitor back up and look for unplugged connectors, especially the one to the back of the LCD. I had this same problem with a HP F1703. The owner whacked it so hard when the backlight stopped that they dislodged the connector.

Feb 27, 2009 | HP Pavilion F1903 19" Flat Panel LCD...

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