Having problems with your Envision H170L Monitor ?

I have an Envision H170L monitor that goes dark after a few seconds. I did the flashlight test and could see the desktop. Took the monitor apart and went through the board pretty carefully checking for bad capacitors. I replaced one of the 22PF 3KV capacitors that had turned a nice shade of grey from blue. Outside of that, could not find another bad one. I put it all back together, fired it up and kept getting the orignal symptoms. Any suggestions?


Answers :

Http://www.lcdparts.net/howto/troubleshooting/LaptopCCFL1.aspx OR MONITOR

take your plate a part, without desolding anything, reconnect your ccfl's to your invertor , this is how I found that with only 3/4 my monitor ccfl backlights worked. Monitor had classic for 2 seconds and I coud see a windows shadow (I changed my capacitors).my was a kit assembly plate and disassembly easy, light clips and small screws, gentle, movements, set your work bench very clear, tube break, push from the sides where they plugged together always!
I guess from this that the inverter self test check all the ccfl's!
hence the on / check/ off screen (the high power bit, leaving the lower power bit on)
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I have an Envision H170L monitor that goes dark after a few seconds. I did the flashlight test and could see the desktop. Took the monitor apart and went through the board pretty carefully checking for bad capacitors. I replaced one of the 22PF 3KV capacitors that had turned a nice shade of grey from blue. Outside of that, could not find another bad one. I put it all back together, fired it up and kept getting the orignal symptoms. Any suggestions?


Http://www.lcdparts.net/howto/troubleshooting/LaptopCCFL1.aspx OR MONITORtake your plate a part, without desolding anything, reconnect your ccfl's to your invertor , this is how I found that with only 3/4 my monitor ccfl backlights worked ... Envision H170L Monitor

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