Turn locked tv on - Mitsubishi VS-55609 55" Rear Projection Television

The power button on the TV doesn't work because of the child lock?
I went over the copy of your manual for your TV. It must be the child lock timer problem.
I would try leaving the TV unplugged for 30 mins and see if that reset the TV and releases the lock.
If it doesn't work, the remote needs to be replaced. A universal remotes aren't really universal when you need to use special buttons. The remote made for the TV is the best.
If your TV is the model 47PFL7403D, here's the cheapest place to buy a replacement.
http://www.philips.newremotecontrol.com/catalog_item.php?catnum=313922852812

hi..To do a Child Lock, follow these steps:

1. Turn on your TV.
2. On the remote, press the Menu button. The Set-Up Menu appears.
3. Scroll to the Key Lock function and set function to Off.
4. Press the Exit button to exit....

ur problem will be solved.. rate me!!!!
thank u

Try resetting the TV to factory settings thusly:

Turn on the TV. While holding down the RESET button on the remote
control, press the POWER button on the TV. (The TV will turn itself off, then
back on again.) Release the RESET button.

Owner's manual available here:
http://www.docs.sony.com/reflib/docget.asp?manualid=9635&template_id=1&region_id=1&DL=

using remote ,press unlock then press power on.

when you turn on child lock in magnavox models you deactivate keyboard on tv requiring original remote control to turn back on. remote control part number 996500015582 available through andrews electronics

i was programming my television by hand because i do not have a remote to my television and i accidentally set the child lock and now my tv will not turn on what can i do to fix my tvtv is on standby, standby light is on. can turn tv on with programable remote after pressing on button several times to set code on remote. press any function button and screen says child lock is on. can't get anywhere pressing any buttons, turn tv off with on/off button and tv goes back to stand by. don't have magnavox remote any ideas?

Usually, once child lock is on, the set will not respond to the front panel buttons and you need the power button on the remote control to turn the TV on. Then go into the menu and turn child lock off.

my remote control doesn't work, and i can turn the tv on because i lock to just use with the remote control. How can turn the tv on if i do not have a remote control?

To unlock the Panel Lock, Parent Lock, or Child Lock, follow these steps:

1. Turn on your TV.
2. On the remote, press the Menu button. The Set-Up Menu appears.
3. Scroll to the Key Lock function and set function to Off.
4. Press the Exit button to exit.

Note: If you don't have a remote, you may be able to do the same thing by pressing the Menu button on the front or side panel of your TV and using the volume or channel up and down buttons on the TV to scroll to the Key Lock function and set it to Off.

If you forget your password you can reset it. Make sure the TV is off. Simultaneously press and hold VOL< on the TV?s front panel and CLEAR on the remote for approximately 5 seconds. Enter a new password next time you access the PARENTAL CONTROL menu. Front Panel Lock 1. From the PARENTAL CONTROL menu, press the up or down arrow to highlight Lock Fr. Panel. 2. Press the right or left arrow to turn on (box has check mark) or off (box doesn?t have check mark) front panel lock. Of course if you don't have a remote that can bring up the menu I don't know how this can be done.