Question about Acer AL1916W 19" LCD Monitor

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Monitor flashed a few times and the display went dead. No display.

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Service manuals: http://elektrotanya.com/?q=showresult&megnev=ACER&megnev2=AL1916W&kategoria=monitor&kat2=schematics

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 ACER 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.

Posted on Oct 01, 2010

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Posted on Jan 02, 2017

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1 Answer

Monitor just quits,


you posted to a wrong place, to an empty stop, its not a response post at all. but....
old old VS19 , with CCFL inside, (oops)
the OSD is dead, proving the monitor is dead.
the CCFL laps are bad or the board is a bad.
not all boards (PCB) fail for caps, unless,made in the bad china cap era....
i buy my caps at Mouser ,x10 better quality btw.
there is more to this board than just a cap
photo is of early L1503.
best place to look is get a used board from Ebay.
HP does not sell this board now, its LEGACY.
nor do they sell or offer schematics (lacking that very hard to fix)
those 2 black rectangles below are the CCFL high voltage generators. ether can fail. and CCFL is dead.
use a flash light to the screen yet , while pushing the Menu key there
for the OSD display to show up???? if it does then the CCFL parts
are bad. dead backlight.




l1702-1e3zvy01muhslcm1iefsmbmq-1-0.jpg

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many thanks
barneytina

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