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toshiba 37RV635D

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samisat:
Hi all
I've got TOSHIBA 37RV635D lcd in which has got horizontal lines on top off screen.the lines are very narrow. I changed the caps in primery PUS but no joy also I can hear noise from pus.I will appreciate anh help.
thanks

Ere:
Hi,
most probably bad lcd panel, try taking apart the front of panel with all boards still on back of tv, turn it on and try touch and press a little bit on all cofs (chip on flexible)  one by one on side and top  till found the one that causes this lines then use something special like thermal sponge used on top of cpus and chips to put in between it and frame of panel..good luck

jordan:

--- Quote from: samisat on April 27, 2014,11:40:05 ---Hi all
I've got TOSHIBA 37RV635D lcd in which has got horizontal lines on top off screen.the lines are very narrow. I changed the caps in primery PUS but no joy also I can hear noise from pus.I will appreciate anh help.
thanks

--- End quote ---
Replace Schottky DE-331 (SB230..2A)

samisat:
Dear jordan
could u give me more clue which where should I find this diode? I couldn't find it in pus.
thanks

Turnip:
Hi Ere,

Nifty solution, sometimes works where pressure can be applied on those flexie chips.

Note that in many cases there is no possibility as chips are mounted where pressure cannot be applied.

Chris.

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