I have toshiba power 32hv10ze lcd tv i want to open its hidden service menu.please any one tell me how to open it?

You're talking about the Service Mode entry procedure of Samsug, I presume.
If you wish to get some details; visit the sites linked here. Pull up older posts.
https://electronicshelponline.blogspot.com/ http://homenol.blogspot.com/
Faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Search the site by type in the "BRAND NAME" of your device; (Exclude the model number), in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
{View the site in web view by mobile or a desktop to see the search box. Mobile view has no search box.} Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.
NB: Please read and understand well, the instructions to enter the service mode, before you begin. Be very careful. Note how to "EXIT" the service mode; after entering and adjusting data. This is very important.
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Press the helpful button and check link below for various models

First power off your TV using the remote, then press following buttons quickly on your TV remote:
Display (or i+) + 5 + Volume Up + Power
It'll show the hidden service menu on your TV screen.
Once you enter into service menu, you can press Menu (or Options) button again on your remote to switch between various service modes such as Digital, Chassis and VPC.
To navigate between available options press 1 or 4 buttons. To change or modify their values press 3 or 6 buttons.
To save your changes, just press Mute + 0 (or Enter) buttons on the remote.
To restore settings to factory defaults, press 8 + 0 (or Enter) buttons.
PS: For some new models the above mentioned method might not work. You can try following key sequence to access service menu in those new models:
While TV is on, press Left + Right + Mute + Center button + Mute + Menu buttons.

Hidden Secret Service Menu Codes for Sony Samsung LG and Philips TV
TV Service Menus Hidden features you didn know about

If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box.
http://electronicshelponline.blogspot.com/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.

GO to All TV Service Menu Code to browse olmost tv factory mode.
You can find lot of service code for tvs, DVDs, Monitor and many more.

Unplug the TV for some time (usually 1hr is plenty) and it should reset to factory settings.

Go to your tv menu page then to preferences tab, scroll down to energy saving settings and click to open, there you will find the option to turn off the Automatic Power Down Setting.

Notes from user manual: http://www.tacp.toshiba.com/tacpassets-images/models/37av502r/docs/37av502r_om_e.pdf

Unplug the TV for about an hour to see if it will reset itself, if not, try:

TV stops responding to controls:
If the TV stops responding to the controls on the remote
control or TV control panel and you cannot turn off the
TV, press and hold the POWER button on the TV control
panel for 5 or more seconds to reset the TV.

Reset Factory Defaults
To reset all settings and channels to their factory
default values:
Press and open the Setup menu.
Highlight Installation and press . A new set of
Installation menu icons will appear.
Open the System Status menu, highlight System
Information, and press .
Press tu to scroll through the menu bar to select
Factory Defaults.
Enter your PIN code (or 0000 if no PIN code has been set).
Highlight Yes and press . The TV will turn off
automatically after a few seconds. After the TV turns off,
unplug the TV power cord and then plug it in again to
complete the reset process.
To cancel the reset:
Highlight No and press .

Otherwise you may jhave bigger problem inside the TV.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Please post back what you find.

press one time display key and three times mute .service mode will open

menu go to audio than go to sound mode now press SERVICE NUMERIC 8532

thank of you but i need access to menu service please help me
please mail key to access to menu service
thanks of you