Hidden Secret Service Codes for Sony and LG TV

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NOTE: Please note down the default values before changing them, so that you can restore them if something goes wrong or you don't like the output.

All digital TVs contain a secret service code which allows you to change some internal settings like picture height, width, position, colors, etc. Basically this service menu is used by TV mechanics.

Here we are sharing service codes for LG and Sony TVs.

For Sony TV:

First power off your TV using remote, then Press <Display> + 5 + Vol Up + Power button simultaneously on remote.

Now you can make desired changes to the settings.

To save the changes, just press Mute + 0.

For LG TV:

Press and Hold <OK> button on remote as well as TV panel at the same time for a few seconds.

For some TV models, you'll need to press "Menu" button on remote and TV panel simultaneously for a few seconds.

Now you can make desired changes to the settings.

To save the changes press <OK> in Remote.

PS: Be very careful while playing with the service menu. First make changes but don't apply them. If something goes wrong, just switch off the TV and switch on it again.

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This article was posted by VG in following section: Mobile Phones.

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Shuvamay Guha

i have pressed + 5 + Vol Up + Power button. but the tv set not switched on.
please tell me that if i press the above keys one after another or simply hold above keys at a time simulteniously.
VG

^^ You have to press all following buttons in sequence without delay:

Display
5
Vol Up
Power button

Then TV will 100% switch on.
Tuan Hoang

My Sony TV, the horizontal lines are shift up about 5 degree. After I get in the service code (display, 5, volume up, power), I do not know what code i have to change the value for the horizontal line. How I adjust the horizontal line? Please help. Thank you.
VG

^^ Try to change values of each setting using 3 and 6 buttons in remote. The option should be present in GEO section. If anything goes wrong, simply turn off TV and on again using remote and everything will revert back to default.
kefl

In some LG models: Press and Hold button on remote as well as TV panel at the same time for a few seconds.
TW

I had tried with LG tv & it works but the problem is I can adjust screen vertically not horizontally. Any solution?
Yajnas

When i try it with the Lg TV it just keeps cycling through the settings without stopping.And these are just the normal settings which i can already access through my remote menu. what should i do. Please help. Thanks
ravinder reddy

I had tried with LG tv & it works but the problem is I can adjust screen vertically not horizontally. Any solution? please give me the service tips on the remote
f.zamani

hello
i need hidden cod of TV sharp that use 8891CSCNG6V12.
thanks in advance.
zamani
IRAQI

I had samsung sgh-p960 but how can the tv display no tvch yet.