Questions & Answers for: backlight test

Ad

Question about L1906 19" LCD Monitor

1 Answer

...a test inverter board from a different monitor and they work. Any Ideas? your inverter has gone , if you can see the screen faintly then the inverter isnt illuminating the backlight it needs ...

Ad

...backlight behind the display is defective. Back light problem, follow the steps how to check inverter circuit and fix it: ...

Ad

...backlight fade in black backgrounds scenes Most common failures in these LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply C242 470uF 10V, C241 & C242 1000uF 16V, ...

Question about SyncMaster 2233BW 22" LCD Monitor

1 Answer

...test a backlight for a led tv tv model 55LN5700. screen is black (faint image with flashlight test) but with sound. I replaced the t-con board and still having the same issue. Testing TV Backlight ...

...backlight LEDs bad? Do I need to replace them? How else can I test the LEDs, and the TV, to identify the root-cause of the problem? yes the led backlight for whatever reason is not functioning and ...

...tests I've done so far: -Removed the back cover and powered on the TV in a dark room. The backlight flashes very briefly (.25-.5 of a second) and doesn't stay lit. -With the TV on, shined a ...

Question about E420I-A0 42" LED TV 1920x1080, 120 Hz, HDTV

1 Answer

...tips and info." Vizio E470i A0 Blank Screen No Backlights How to Test Power Supply... Testing TV Backlight LEDs Testing tv backlight leds EsBuzz net ...

Question about E420I-A0 42" LED TV 1920x1080, 120 Hz, HDTV

1 Answer

...backlight test and saw the picture, I have volume, and the backlights are off. The symptoms you described would indicate the backlights are not working. The 2 main reasons are the backlight inverter ...

...test the panel and power supply board by disconnecting the cable from main board. If unit's backlight comes on the main board needs replacing. If the backlight does not, the power board needs ...

Question about E420I-A0 42" LED TV 1920x1080, 120 Hz, HDTV

1 Answer

test. I used a backlight tester and found all LEDs working 100%. I also unplugged the LED cord from power supply and inserted the backlight tester into the cord and it powered the lights up perfectly.

Not finding what you are looking for?

Ask a Question

Usually answered in minutes!

Popular Products

Top Computers & Internet Experts

Marvin
Marvin

Level 3 Expert

85241 Answers

Brad Brown

Level 3 Expert

19163 Answers

Cindy Wells

Level 3 Expert

6554 Answers

Are you a Computers & Internet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...