Question about LG RU-52SZ51D 52" Rear Projection HDTV-Ready Television

1 Answer

The front controls are locked

We bought the floor model of the LG RU-52sz51D and the front control panel was locked when we got it. Does anyone know how to unlock it? We just need to get into the service mode and even the service tech doesn't know how to unlock it.

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1 Answer

Hi, go into the menu via remote control and select special in the options. select child lock and untick it if it has a tick next to it.

This should re-enable the front control panel.

Hope it helps.

Posted on Oct 14, 2007

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Posted on Jan 02, 2017

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1 Answer

LG RU-52SZ51D problem turning on


I have the same problem as Shawn. I'm hoping after about a year this post may pop back up and get a response from someone who could help.
Thanks.

May 12, 2013 | LG RU-52SZ51D 52" Rear Projection...

1 Answer

Does the ru-44sz51d or ru-52sz51d have a built in tuner


Yes it does have an Analog tuner. manual link below.

http://www.lg.com/ph/support/product/support-product-profile.jsp?customerModelCode=RU-44SZ51D&matchedModelCode=NOT_MATCHED&searchEngineModelCode=RU-44SZ51D&initialTab=warranty&targetPage=support-product-profile#

Apr 01, 2010 | LG RU-52SZ51D 52" Rear Projection...

1 Answer

Just replaced the bulb on my ru-52sz51d how do i reset the lamp timer


press the menu button on the front panel
while holding button on panel press and hold the menu button on the remote control
service menu will appear and then keep pressing the menu button until you come to lamp hour resetting
press ok on remote
and now lamp hour is reset

Nov 17, 2009 | LG RU-52SZ51D 52" Rear Projection...

1 Answer

Hi, LG no picture after two quick popping sounds


Sounds like youre lamp might gave blown pull it out and see if it is shattered check your owners manual to see where it is located most of these are on the right side as you stand in front of the tv but some are also in the back.

Oct 18, 2009 | LG RU-52SZ51D 52" Rear Projection...

1 Answer

The control panel buttons don't work.


set the key lock in off position in menu; options

Jul 16, 2009 | LG RU-52SZ51D 52" Rear Projection...

1 Answer

LG RU-52SZ51D, DLP, Need new light engine


I dont know if they have yours in stock but Call UED 1-800-648-6657.

Jan 07, 2009 | LG RU-52SZ51D 52" Rear Projection...

1 Answer

No picture-lg ru-52sz51d


Hi lovelace Check your power supply module it needs to be replaced.good luck

Apr 25, 2007 | LG RU-52SZ51D 52" Rear Projection...

2 Answers

TV keeps shutting down


Sounds like it may be a bad ballast

Mar 24, 2007 | LG RU-52SZ51D 52" Rear Projection...

1 Answer

Resetting the indicator light


Hold down on the Enter or OK on the TV and Mute on the remote control for 5-10 seconds. The TV should then ask what you want to do. Perform this with the TV on.

Jan 31, 2007 | LG RU-52SZ51D 52" Rear Projection...

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