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Tv trouble shooting techniques

What is the first step or techniques if the tv has no power

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Change the TV to another outlet.
check for any blown fuses.(look in manual)
check the TV's lamp.(look in manual)

Posted on Aug 19, 2008

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Posted on Jan 02, 2017

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DIAGNOSTIC TESTING


Do you know how to do basic electrical testing an trouble shooting ? How to read a wiring diagram ? Go www.bbbind.com free wiring diagrams . Basic Electricity for Service Techs Ohm law Current Flow Opens Shorts Electric Testing Techniques You Need to Know

Aug 29, 2016 | Cars & Trucks

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When I turn my headlights on all my inter lights and door locks and all light out side go out


Bad ground ! Look at wiring diagrams to see if these circuits share a ground point or a BCM - body control module grounds ! Free wiring diagrams at http://www.bbbind.com/free_tsb.html Do you know how to do basic automotive electrical trouble shooting ? Go on youtube if not an watch a few videos on electrical circuit trouble shooting , how to do voltage drop testing , how to read wiring diagrams etc..... Electric Testing Techniques You Need to Know

Apr 22, 2016 | Cars & Trucks

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No backlight no sound no picture lg 47le5400


it needs proper trouble shooting, just let me know if you will be the one to do the job.so i can give you other step to trouble shot the tv since it needs proper tools and device then make sure you have the knowledge in electronic repair.

Oct 25, 2012 | LG 47LE5400 47-Inch 1080p 120Hz LED LCD...

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Lc-32d62u


Check its main digital processing board. It has the fault. May need replacement.

Mar 09, 2012 | LG 42LB5D 42 in. LCD Television

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Both My Inspiron and linksys will not connect to my ISP. They say both are receiving an invalid IP address! I have used all trouble shooting techniques including trying to release and reset! Even went as...


Step 1: Plug the computer (ethernet wired) directly into the modem. Power cycle the modem and when all the light come on you should have internet. If not call your ISP to trouble shoot.

At this point we should be able to determine if it is a PPPoe connection (needs username and password to connect) or if it logs in automaticly.

Step 2: Plug the router back into the modem and the computer plugged wired (ethernet) to the router. Remove power from both the modem and the router. Plug the modem back in first, once all the lights are on plug in the router. Try to connect.

Step 3: Log in to the router via its IP address (normally 192.168.1.1), if no one has reset the user name password it should admin for both. If it has been reset, you will need to know what the user name and password are to continue.

Step 4: Under setup if in step 1 you found you needed PPPoe, then you need to set that under the setup tab. Make sure you use the user name and password provided to you by your ISP. If you dont need PPPoe then make sure this is set to obtain IP automaticly.

Step 5: save settings. Once the router restarts, try to connect again.

If these step do not work, let me know:

1. who is your ISP?
2. What modem do they use?
3. What is your IP address when plugged directly into the modem?
4. What is your IP address when plugged into the router?

I will be around for about 1 more hour, its 2PM central time now.

Jul 21, 2011 | Computers & Internet

1 Answer

My tv not making any sound


check first if the problem is the spr or in the entire ckt. reply this and we will trouble shoot step by step.

Mar 28, 2010 | Sanyo DS31520 31" TV

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TV TROUBLE SHOOTING PROBLEM


Have you tried another outlet in the house? If it still blows a fuse there could be an internal issue in the TV regarding grounding. Can you temporarily connect a microwave oven or similar device to that outlet to see if the fuse still blows? If it continues to blow, you can at least rule out the TV being the cause. Is the TV new? Has any recent electrical upgrades been done? Are you using an extension cord or plugging the TV's power cable into the Cable/Satellite box instead?

One important step to do regardless for all sensitive electronics is to perform a power drain by unplugging the device or removing batteries followed by holding in the products power button for 1 minute. This flushes out the capacitors and circuit board of any electricity that can prevent normal functionality.

Oct 14, 2008 | Philips 27PT543S 27" TV

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No picture and a "whistle"


If your friend is being honest, and why shouldnt he, and the set was knocked over, I'll bet there is now a small crack in the main board. Cracks in boards due to dropping or "knocking over" usually occur next to the flyback transformer or tuner. Cracks in boards are very easy to fix so if you do not have experience working inside TV's then allow a qualified tech to handle it for you.

Sep 01, 2007 | Sony KV-27FS13 27" TV

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