DIYbanter

DIYbanter (https://www.diybanter.com/)
-   Electronics Repair (https://www.diybanter.com/electronics-repair/)
-   -   LiquidVideo L17LCD2 flashing power light repair (https://www.diybanter.com/electronics-repair/230473-liquidvideo-l17lcd2-flashing-power-light-repair.html)

John January 19th 08 01:04 AM

LiquidVideo L17LCD2 flashing power light repair
 
Symptom: LCD monitor does not turn on, but power light flashes when
on/off switch pressed.

Solution: bad capacitors on low voltage board.

Details with pictures he
http://www.wizardanswers.com/liquidvideorepair.html

John

Jerry G. January 19th 08 02:36 AM

LiquidVideo L17LCD2 flashing power light repair
 
The power supply has failed, or there is a short on one of the boards
loading the supply. These types of monitors and TV sets are serviced
by board swapping. If you have a lot of service experience and the
test gear, if the problem is simple you may be able to find it with
conventional troubleshooting.

Jerry G.
======


On Jan 18, 8:04*pm, John wrote:
Symptom: LCD monitor does not turn on, but power light flashes when
on/off switch pressed.

Solution: bad capacitors on low voltage board.

Details with pictures hehttp://www.wizardanswers.com/liquidvideorepair.html

John



John January 19th 08 01:06 PM

LiquidVideo L17LCD2 flashing power light repair
 
In this case, no test equipment was needed - the pictures on the
linked page show the electrolytics have swollen ends. This was
probably a "save 2 cents" design-related failure, where the capacitors
are running right at their 16 volt rating. Replacing them (with 35V
caps) restored "like new" operation.

John

On Fri, 18 Jan 2008 18:36:31 -0800 (PST), "Jerry G."
wrote:

The power supply has failed, or there is a short on one of the boards
loading the supply. These types of monitors and TV sets are serviced
by board swapping. If you have a lot of service experience and the
test gear, if the problem is simple you may be able to find it with
conventional troubleshooting.

Jerry G.
======


On Jan 18, 8:04*pm, John wrote:
Symptom: LCD monitor does not turn on, but power light flashes when
on/off switch pressed.

Solution: bad capacitors on low voltage board.

Details with pictures hehttp://www.wizardanswers.com/liquidvideorepair.html

John



All times are GMT +1. The time now is 09:19 PM.

Powered by vBulletin® Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Copyright ©2004 - 2014 DIYbanter