Showing posts with label monitor. Show all posts
Showing posts with label monitor. Show all posts

Thursday, May 10, 2012

Repairing Blurred screen failure of laptop LCD

Blured screen failure of laptop LCD indicated by
1. The screen is Blured
2. Image not clear
3. System normal
4. Normal when use external monitor
5. Back light normal

To repairing and solving this failure do the following steps :
1. Open LCD chasing
2. Look for a "trimpot" or a electronic component that can in turn use a screwdriver in addition to bolts/screws. This component behind the LCD scenes upper left, looked from back of LCD.
3. Turn right with the screwdriver continuously until the screen of LCD normal. Find the right position of this "trimpot"
4. After normal re-assemble cashing of LCD

I has proved this steps for Acer Aspire Laptop and success.
The next post is Repairing laptop that can not charged

Monday, February 20, 2012

Repairing CRT monitor total death

Yesterday, i have repaired the monitor with type CRT 15" LG Brand. The trouble in this monitor is total death. when turned on appear sound "crik-crik-crik" continuously.
I have check all condition and i found the cause of error. The capacitors is broke ( elco ), i can see the the top of this component physic will explode. And, IC RF is broke too. I replace with other component and the monitor working normally.

Saturday, February 18, 2012

How to repair Computer Monitor appear horizontal line image in the middle

Repairing The computer monitor CRT that picture appear just a like horizontal line in the middle. The Monitor i have repaired here is 15" made in China.
Repair step :
1. Wait for about 15 minutes before open the case
2. Open the case
3. Plug the solder to electrical power source
4. Along wait heating the solder you can cleaning the main board of Monitor with the brush
5. Check all electronics component feet soldered. Check for rift.
6. Re-solder The electronics component feet soldered if you find the rift there.

For this experience i just re-soldering the feet of vertical IC that controlling vertical image of monitor because i find the rift there. And everything normal after i solder.