Vertical stripes with BenQ FP557s

Hasi · 22nd November 2003, 11:17 AM

Hello everyone,

after reading through nearly every thread in this forum I've finally bought an BenQ FP557s and took it apart as described by Kolima. But after connecting it to my computer I only saw vertical stripes in all colors interspaced with black.
At first I thought of a grounding problem - but even after connecting the all the hardware to its orginal metallic frame it wouldn't get better.
So, can anyone tell me what I did wrong - or better - how I can solve this problem.

Thanks allot

tmitch007 · 22nd November 2003, 09:14 PM

I bought a BenQ off Ebay and plugged it up to my computer and all I got was a white background with vertical lines in different colors. I took it up to Best Buy and the tech guy said one of the "guns" was blown. He said that it couldn't be fixed. I sent it back and got my money back.

Tom

Hasi · 23rd November 2003, 08:47 AM

Hm. That sounds pretty bad - espacially since I allready took it apart and that means no money back according to german law.

jcbklyny · 23rd November 2003, 10:22 AM

The only thing I can recommend is make sure the ribbons connecting the LCD to the PCB's aren't broken. Maybe during handling you put too much stress on them and one of the traces broke.

Hasi · 23rd November 2003, 12:00 PM

Well, during my search for the cause of the problem I broke a few of the traces (damn it - they are hard t fix) which left a one inch black space on the side if the LCD where the mentioned traces were attached - the rest of the lCD however remained in colorful stripes. So I think this can't be the source of the problem.

22nd November 2003, 11:17 AM	#1
Hasi diyAudio Member Join Date: Nov 2003 Location: Bavaria	Vertical stripes with BenQ FP557s Hello everyone, after reading through nearly every thread in this forum I've finally bought an BenQ FP557s and took it apart as described by Kolima. But after connecting it to my computer I only saw vertical stripes in all colors interspaced with black. At first I thought of a grounding problem - but even after connecting the all the hardware to its orginal metallic frame it wouldn't get better. So, can anyone tell me what I did wrong - or better - how I can solve this problem. Thanks allot

22nd November 2003, 09:14 PM	#2
tmitch007 diyAudio Member Join Date: Oct 2003 Location: Baltimore, MD	Hasi I bought a BenQ off Ebay and plugged it up to my computer and all I got was a white background with vertical lines in different colors. I took it up to Best Buy and the tech guy said one of the "guns" was blown. He said that it couldn't be fixed. I sent it back and got my money back. Tom

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23rd November 2003, 08:47 AM	#3
Hasi diyAudio Member Join Date: Nov 2003 Location: Bavaria	Hm. That sounds pretty bad - espacially since I allready took it apart and that means no money back according to german law.

23rd November 2003, 10:22 AM	#4
jcbklyny diyAudio Member Join Date: Mar 2003 Location: Brooklyn, NY	The only thing I can recommend is make sure the ribbons connecting the LCD to the PCB's aren't broken. Maybe during handling you put too much stress on them and one of the traces broke.

23rd November 2003, 12:00 PM	#5
Hasi diyAudio Member Join Date: Nov 2003 Location: Bavaria	Well, during my search for the cause of the problem I broke a few of the traces (damn it - they are hard t fix) which left a one inch black space on the side if the LCD where the mentioned traces were attached - the rest of the lCD however remained in colorful stripes. So I think this can't be the source of the problem.

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