Question about Dell E151FP 15" Flat Panel LCD Monitor

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How to open case ?

Have cold solder problem need to open case have removed screws dont know how to go from there

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Re: how to open case ?

There are hidden hooks (catches) all along the edges where the front half and rear half of the case meet. Using something like a putty knife (something thin but very strong) put the tool in the crack between the halves. Start near the center of the top or bottom edge and carefully separate the halves. It takes some expereince, but you'll soon see the hooks and figure out how to unlock them. Then you place another tool in the gap you've opened so it doesn't relock, and continue working your way around the edges. Until you have more experience and figure out how to do it with only one tool, you should have a few or even several similar tools to hold the opened areas while you're opening the next one. Once you have three sides unlocked, you can pull the two halves apart. I appreciate your thoughtful rating.

Posted on Apr 16, 2007

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How do you open it up to service? (replace caps)

Remove all the mounting screws, stand first, then using thin flat blade screw driver to separate the front from the back starting at the bottom edge and work your way around, be careful on the cable attached to the front bezel. Also look at YOUTUBE on how to open most LCD monitor cases.
Here are the service manuals:

If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for:
Post back what you see inside so we can guide you further and it will help out other people in the future also.
Capacitors kit: he can make you a set of caps for you.

Sep 16, 2010 | Samsung SyncMaster 740N 17" LCD Monitor

2 Answers

Status light is blue and red. display is dead

Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed VIEWSONIC monitors to get some ideas what to look for:
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Jun 13, 2010 | ViewSonic VG2021m LCD Monitor

1 Answer

Samsung Syncmaster 740NW vertical blue stripe

I've never opened one of these units, but I think you're right...a broken, cracked, or "cold solder joint"...had that problem on boards a lot of times. What has been assembled, should have a way of disassembling, unless the plastic was molded or glued after assembly, which is almost never the case, to my knowledge. Sometimes screws are hidden under labels, paper or metal plates, anywhere, really. If you can drop by a computer repair shop, you might be able to pick their brains about where the screws are, just depends on the person working there. Only other choice is to get the repair manual, but they're expensive and hard to locate, sometimes. Anyway, keep working on it, I think you'll figure it out!

Mar 14, 2010 | Samsung 931BF 17" LCD Monitor

2 Answers

Power problem with LG L204WT Flatron

unique_m_m, Your LG l204WT has a possible bad "switch-mode-power-supply"/"CCFL inverter circuit" that will need to be repaired. The sound that you hear can only come from the circuits mentioned. The SMPS supplies dc voltage to the INVERTER supply and it changes it to a high voltage ac to light-up the "cold-cathode-fluorescent-lamps" (2) that are hung on the reverse side of the lcd panel you look at. You will need a tech type to investigate the units SMPS/inverter board for bad (swollen,leaky) electrolytic filter capacitors and "cold, frosty looking solder joints of the surface and through hole mounted electronic parts soldered to the circuit board. Here is cost to repair. DIY if handy with soldering pencil would be less than $20. Farm out the repair $35 to $65
More if new replacement board is required. I would certainly get on PHILLIPS case and yell and scream about their product's poor quality and short lifespan. Let us know if they give you the "bird"and a "you bought it you own it toyota" attitude. A service life of only two years is totally unacceptable! You could ask phillips if they have a refurbished unit swapout program?? Let us know what happens by doing additional comments to original posting. Bye for now. 12fixlouie

Jan 30, 2010 | Philips 200S4SS (Silver) 20.1" LCD Monitor

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The power supply light is green but when i push the power button on the front on monitor nothing happens! Do i need to crack open the case and look for a broken solder connectionor could it be something...

If you can open and removed the power supply/inverter board you can check the caps for obvious damage. *(leakage or swelling)

You can pull the offending cap or just do what I did and replace ALL the caps on that part of the power circuit. It isn't expensive and the board is big enough to handle soldering without a lot of hassles.

I did this for an old Dell monitor this past week and it is up and running!
Nice and bright too.

Good luck!

Nov 22, 2009 | ViewSonic VG150 15" LCD Monitor

1 Answer

Need to remove dell e193fpc flat panel covers to repair

First remove the stand. Then at the bottom of the monitor there are two small openings an inch or two from each edge. Starting there with WIDE flat blade screw driver (or a couple of them) it IS possible to pop the catches that hold the back of the case to the front. You have to go around the case very carefully popping each catch and preventing the areas you have opened from becoming re-latched. I found some wood popsicle sticks good for that.

If you search for "LCD Monitor Repair" you can find sites that have video's of several Dell models (but not this exact one) any that use the "pop open" case are pretty much similar.

One note after you get inside. The power supply board had the WORST solder job I have seen in a long time. The failure in the unit I repaired was due to open solder joints on the hi-voltage transformers taking out the power transistor's that drove them. It took me two months, but I found some replacement transistors on ebay and after resoldering many of the joints on the board it the monitor works fine.

I attribute part of the failure to the use of Lead free solder which is becoming common in all consumer electronics. It makes for brittle connections that fail easily and there is also the issue of tin whisker growth that will hit in a few years down the road.

Mar 09, 2009 | Dell E193FPC 19" TFT LCD Flat Panel...

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How to open casing

Just managed to open a FP17G+ monitor. My hope is that FP17G is similar and that this comes in handy.

There are 5 screws holding the casing together. Four are in the corners (black screws on my monitor). The 5th is right under the monitor stand (silver screw on my monitor.

To open the monitor, I had to:

1) Remove the monitor stand. To do so, you need to take out the two screws at the point where the base connects to the monitor (right above the pivot point) and slide out the monitor stand. THis should give you enough space to take out the 5th screw.

2) Unscrew the five remaining screws on the back of the monitor.

3) At the bottom edge of the monitor, there are two gaps between the front and back plastic panels of the monitor. You can place a wide screwdriver in this gap and gently pry apart the front and back of the monitor. Continue around the edge and the monitor will be open.

Best of luck... If you figure out what is wrong inside, let us know (I am trying to fix the same problem).

Apr 05, 2008 | BenQ FP71G 17" LCD Monitor

1 Answer

Mitsubishi monitor is distorting the picture

well first af all ,you never find this "loose wire" because it is a mith. what you have is a "cold solder" in the vertical IC, if you have a solder iron , and the ability to open it (without scratching), and then take off all the shields (without cutting your fingers), and get the solder area (without breaking the Tube). at this time ,it take you 1 minute to solve...!!! iF not... leave it to the repairman!!!.

Sep 15, 2007 | Mitsubishi Diamond Plus 73 17" CRT Monitor

1 Answer

VG150 power switch defunct

There are tabs along the sides so you need to remove all screws and then use something like a screwdriver to pry it open... careful not to scuff the plastic. Anyhow the switch is probably fine and your main board is dead. There are several posts on the web about this issue, and mine had the same problem. Once I replaced the main board I found on ebay, it worked just fine.

Aug 18, 2007 | ViewSonic VG150 15" LCD Monitor

2 Answers

Lcd monitor goes white

The E151FPb's seem to have a problem of this sort. After doing some research online I've found that the most common problem is a few dry solder joints on the large circuit board inside the monitor. There was also some talk of a connector suffering from heat creep that sound be connected better on the inside, but usually that would make the screen turn black if it were to become disconnected. The monitor can be opened by unscrewing all the screws on the back, there should be 6 screws you need to pull out before being able to open the case. After those, insert a thin, but strong piece of metal into the side and sort of twist/slide it along the side and it should pop open some clips and just work your way around the perimeter. After that it's just some simple and obvious screws to get to the circuit boards.

Apr 11, 2007 | Dell E153FP 15" LCD Monitor

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