Question about Partner Tech PT-9000 POS Computer PC Desktop

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Where can i find replacement backlight fluorescent bulbs for my touchscreen PT-900 POS?

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  • Jaye Ellen Burke
    Jaye Ellen Burke May 11, 2010

    Do a websearch for display backlights ... they're a reaql pain though

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Posted on Jan 08, 2010

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I need a replacement screen and i'm not sure which cffl/backlight to order


Here are the eBay search results for your exact system model -

http://www.ebay.com/sch/i.html?_trksid=p5197.m570.l1313&_nkw=Toshiba+Satellite+L355D-S7809+screen&_sacat=0

Sep 20, 2012 | Toshiba Satellite L355D-S7809 NoteBook AMD...

1 Answer

My screen on my laptop just went all black with a very faint image. what is wrong there, how do i fix it, and what made this happen?


A) What is wrong?;
Your Backlight has gone bad, or the Inverter.

B) How do I fix it?
Replace the Backlight bulb, or the Inverter

C) Backlight bulb's, and Inverters, like everything have a 'lifespan'
This one is at the end of it's. (Stating the Backlight or the Inverter

From here all I can give you is Generic information, since I do not have the laptop manufacturer name, and Model Number. This is on the bottom of the laptop.

1) An LCD screen cannot produce enough light by itself. A Backlight bulb, (Or more than one), is used to emit enough light.

2) A laptop cannot produce enough power to power the LCD screen, and is also used for power to the Backlight.

I'll have to discuss the way the Display Assembly is put together, and name parts in order to explain the following of how to repair. Again, generic information.

1a) The plastic top of the laptop is the Top Cover. There are different names used by different manufacturers.

1b) Looking at the LCD screen with the laptop open, there is a plastic frame that goes around the edges of the LCD screen, and is in Front.
This is the Display Bezel

1c) The LCD screen is behind the Display Bezel. The LCD screen is a composite of layers. The outside layer that faces you is a protective screen.
Around these layers composing the LCD screen, is a metal frame.
One side, (Or both sides) of the metal frame is removed to access the Backlight bulb.

1d) The Backlight bulb is a CCFL.
Cold Cathode Fluorescent Lamp.
Very similar to the fluorescent lamps, (Bulbs) uses in residential, and commercial applications, but on a MUCH smaller scale.

Now to show you generic laptop info on replacing the Backlight bulb for them.

A) http://www.insidemylaptop.com/category/backlight/

B) http://www.laptoprepair101.com/laptop/2007/12/09/replace-laptop-backlight-ccfl-lamp/

If I had the laptop manufacturer name, and Model Number, I could try to give you a link to the Service Manual for the laptop. (Free. Usually from the laptop manufacturer)
This way you would have Exact info on how to disassemble your laptop's Display Assembly.
Post in a Comment.

Oct 13, 2010 | Computers & Internet

1 Answer

The screen has gone dark on my Partner PT5500, where can I


backlight is not available seprately, try to adjust the brightness and contrast and do the reset on monitor,

Feb 09, 2010 | Partner Tech PT-5500 PC Desktop

1 Answer

Color too pink/red. have tried to go to menu and get screen to adjust but have failed


Hello,

The red/pink tint is caused by one of two things, either the backlight bulbs are going out or the power supply that powers the bulbs is not putting out enough voltage to fully light the bulbs. The backlights are just really small fluorescent bulbs, if they don't have full power they light with a pink tint. No amount of adjusting will correct this issue. You will need to have the TV serviced.

Buddy

Jan 26, 2010 | Sanyo DP26746 26 in. LCD Television

1 Answer

Display is tinted pink at all times except when powersaving alert comes on the screen


Hello,

When LCD monitors start turning pink that is an indication that the backlight fluorescent bulbs are going out. The backlight bulbs are just like the bulbs in the lights in an office building only much smaller. The bulbs can be changed but it is not a task for a beginner to undertake. Your best course of action would be to get a replacement monitor. The parts to repair yours would run about $25-35 and would take several hours to repair.

Buddy
Corporate Computer
www.ccl-la.com

Aug 17, 2009 | Gateway FPD 1730 17 in. Flat Panel LCD...

1 Answer

W2242T's backlight not working...


You can buy backlight fluorescent bulbs on eBay.

Jul 04, 2009 | LG W2242TQ-BF 22 inch Monitor

1 Answer

Details on how to replace an inverter board on hpf1503,15" flatscreen


A new inverter board and backlight fluorescent bulbs will cost you $50 to $80. Uneconomical to repair, in my opinion.

Jan 04, 2009 | Computers & Internet

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