Screen/video went out,sound & receiver still works, I can see a dim picture if i put a flashlight up to the screen.
Hi Steven,
A Good place to start is the secondary power supply. It is normally integrated with the main power supply. Pull the back off the TV , take a look at the board where the power cord hooks to. Look for bulged or leaking capacitors.
They are always flat on top and normally laying flat where the bottom meets the board. I have seen them where they look perfectly fine and flat on top but the rubber 'cork' on the bottom is bulging out indicating that capacitor is bad.
Bad capacitors is the first part of diagnostics which can cause your loss of picture.
They are very affordable and available on eBay.
With a few YouTube searches you will have full knowledge of the concept and actually a pretty easy fix.
Here's a sample, it not your board but an example:
Samsung LCD TV Power Supply Repair Capacitor Replace LN46A630
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Here's a picture of the power board for your TV
Part # 75006713
Here is a link to part of the service manual for diagnostics.
It also has a list at the end of all the capacitors.
Toshiba 42HL67 Service Manual Page 3
Next step would be your inverter board which is the main component that operates your back lights for the screen.
Part #'s VIT70023.81, I420H1-20B-L301F
Hope this helps , post up any questions or if you got it fixed!
that manual is for 42hl67, my tv is 42hl67us is there a difference? Because that power supply doesnt look like mine.
Hi Steven, I searched by the model number you originally posted.
Looked up both numbers and the power supplies seem to be the same for the model numbers. The service manual I looked up seems to cover both ( 42hl67us Service Manual Toshiba 42HL67 42 LCD TV ).
Is this what your power supply looks like? ( Below)
If so it was also used in the 32" Toshiba TVs.
Fount this as a cross part search on eBay
Link on ebay >TOSHIBA 32HL67U POWER SUPPLY UNIT PE0246A V28A00030801 P2356
But by model number you originally gave the first power supply matches.
The real point Steven is to start at visually inspecting the power boards for swollen or leaking capacitors. There seems to be a 5 volt 'B' board in that set too, but I'm strongly suspecting the main first.
Then move down the line for other possibilities as mentioned before.
Hope this helps and let me know if you get it fixed!
Opps, Miss spelled Found Ha! Yea, I Fount it..
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