Question about Dell Inspiron 9300 Notebook

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I have an old lap top and had vertical lines across it and now it

I have an old ibm dsiplay writer and it simply won't turn on even though the power light is on.

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Due to the age of the system, it is most likely "uneconomically practical" to repair the system.

Posted on Sep 30, 2009

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It's a Sony 32 inch flat screen led tv. Has line going across screen about 4 inches from top and faded verticals lines across tv. Anyway to fix that


one of the circuit board needs repairing replacing. I wouldn't recommend trying it yourself even though it wont be too difficult but without electronics knowledge you could end up getting the wrong parts and wasting good money. Parts aren't cheap so get a quote from a repair guy and prepare to replace the TV if it's dear

Jan 11, 2013 | Televison & Video

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Have a 29 inch 5 or 6 yr old rca color tv lately we get a colored horizontal bar across the top of the screen and the other day we have fuzzy black lines across the entire screen


Hello,


CAUTION: To prevent damage to the CRT phosphors, immediately turn down the brightness so the line is just barely visible. If the user controls do not have enough range, you will have to locate and adjust the master brightness or screen/G2 pots.

A single horizontal line means that you have lost vertical deflection. High voltage is most likely fine since there is something on the screen.

This could be due to:

Dirty service switch contacts. There is often a small switch located inside on the main board or perhaps accessible from the back. This is used during setup to set the color background levels. (On some sets, this is located on the CRT neck board and may be a jumper plug or other means of selecting service mode - not an actual switch.)

When moved to the 'service' position, it kills vertical deflection and video to the CRT. If the switch somehow changed position or got dirty or corroded contacts, you will have this symptom. Flip the switch back and forth a couple of times. If there is some change, then replace, clean, resolder, or even bypass it as appropriate.

Bad connection to deflection yoke or other parts in vertical output circuit. Bad connections are common in TVs and monitors. Check around the pins of large components like transformers, power transistors and resistors, or connectors for hairline cracks in the solder. Reseat internal connectors. Check particularly around the connector to the deflection yoke on the CRT.

Bad vertical deflection IC or transistor. You will probably need the service manual for this and the following. However, if the vertical deflection is done with an IC, the ECG Semiconductor Master Substitution guide may have its pinout which may be enough to test it with a scope.

Other bad parts in vertical deflection circuit though there are not that many parts that would kill the deflection entirely.

Loss of power to vertical deflection circuits. Check for blown fusable resistors/fuses and bad connections.

Loss of vertical oscillator or vertical drive signals.

The most likely possibilities are in the deflection output stage or bad connections to the yoke.

May 30, 2010 | Televison & Video

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How do I charge my battery on my t30 lap top battery


You normally need a compatible Power Supply plugged into the Laptop from the mains. Without this the battery will go flat. If you do not have one a good place to look is Ebay, or the like simply put in the model name of your laptop and the words Power Supply.
EG: IBM ThinkPad T30 Power Supply.

Feb 03, 2010 | IBM 11P8273 for Thinkpad 14.1" Flat Panel...

1 Answer

IBM A31 2652 Video garbled video at boot


update monitor driver
your screen may be going
how old is the system

Jan 26, 2009 | IBM ThinkPad A31 Notebook

2 Answers

Phillips 50 inch Plasma


Philips 50 inch plasma tv no video but has sound

Sep 28, 2008 | Philips 50PFP5332D 50 in. Plasma...

1 Answer

Shrinking screen.


hi there, you do have a vertical section problem and at the power supply section problem. do some test, check for some cold solder at the power supply section, test some electrolytic capacitor at the vertical section. ty

Jan 01, 2008 | Televison & Video

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Horizontal lines across the top 2 - 3" of the screen


Sounds like you have some capacitors that are needing to be changed in the vertical circuit. The cost I cannot quote but, it probably won;t be worth the cost as replacement TV's are much cheaper now. Zeniths and other brands for the longest time have used not controls inside the TV, they are technician adjustments through a service menu only.

Apr 19, 2007 | Zenith C27A24T 27" TV

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