Question about HP L1702 17" LCD Monitor

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Hp Monitor Hello thank you for your reply now I have 1 more question. Where are these caps found in the monitor? If I knew where they were I could do it. Thank you, Dave

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There are about 6 caps in the powersuply. Please replace them

Posted on Jun 14, 2009

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Posted on Jan 02, 2017

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I have an HP W1907 that turns on for a few seconds and then goes black. I have taken it apart and have found no obvious issues with the exception of 1 bulging capacitor in what appears to be the inverter...


the monitor is bad, how to fix a monitor that is bad. right?
?
a bad CAP , shorts, and when those do that the overload
the DC bus regulator.
there is no schematics, for it, why bother, get a new monitor
or buy used PCB card for it on ebay, or replace the bad cap. and see what happens, whats to lose but $1 for a cap.
ever been to mouser.com no lack of caps there. never.
if this PCB was made in the era of bad caps, guess what, more are bad.. (the dry out, split, short, explode , rupture or leak and short) all of them did that then. (wiki bad cap era, read when and why)
plugue
https://en.wikipedia.org/wiki/Capacitor_plague

1999 to 2000 is the (worst) imo

Dec 12, 2017 | HP w1907 LCD Monitor

1 Answer

Hello,Storm-ic I have the same problem you had with the same kind of monitor. (HP 1955,screen going black, showing a picture 1/10 of a second.) I just would like to know how you " resoldered...


First, download the disassembly instructions fro HP here first:
http://www.hp.com/hpinfo/globalcitizenship/environment/productdata/Countries/_MultiCountry/disassembly_monito_2006112713913.pdf
Second, get yourself good 40w solering Iron and solder.
This monitor is made by BENQ which also makse the monitor for Dell.

Inspect the DC filter caps on the Pwr/Inverter board, and solder joint at the AC inlet and the rest of the board.
Learn more about repairing LCD monitor here:

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Dec 12, 2010 | HP L1955 19" LCD Monitor

1 Answer

Hello Experts, I have a HP Pavilion Tablet Laptop that won't boot. All keyboard lights and monitor lights (DVD controls) illuminate except the actual monitor, it does not come on and is completely...


Hello,

I'm having the exact same problem on my less than 2 yr old HP Touchsmart tx2675 laptop. Could you please let me know if you have solved the problem?

Thanks and Regards,
Manish

Nov 01, 2010 | Computers & Internet

1 Answer

Microtek 715c power supply requirements. I found this monitor by the curb and gave it a 17.5 vdc switched power supply. It works quite well except the power light goes blank while asleep and acts like...


SuperWarehouse.com just says it requires anywhere from 110-240 volts AC (which isn't very specific) and uses 48 watts. I don't see anywhere online that lists the DC power output... sorry. If you could get a manual for it that might help.

Aug 22, 2010 | Microtek 715C 17 in. Flat Panel LCD...

4 Answers

How to unlock OSD lockout in HP L1940T Monitor


How to unlock HP 1940 LCD monitor?? i try with holding menu button and power also..but didnt show me unlock...i hold like 1min even more...and its keep to blink OSD lock...and Main Menu on my screen.Can u tell what i need to do Thank you

Jan 20, 2010 | HP L1940T 19" LCD Monitor

2 Answers

HP VS19e Monitor - no power


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!

Jun 14, 2008 | HP Pavilion F1903 19" Flat Panel LCD...

1 Answer

Bright,thin line, in the middle of the screen, then...


1. I turn on the monitor, I hear a 'cracklin' sound
Reply: In a CRT Monitor there is a component called EHT which generates High voltage which is connected to the anode of the CRT, If there is any leakage due to moisture can cause this crackiling sound, You need to clean this high tension wire or replace the EHT ( CAUTION : BE AWARE OF HIGH VOLTAGES )

2. The screen only shows a bright, thin line.
Reply: The vertical Drive section of the monitor is faulty.

Dec 21, 2007 | Hitachi SuperScan Elite 802 21" CRT...

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