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Describe the input dc voltage of ibm thinkpad type2647-d4j

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This quest is vague but i'll try to answer it it should be 12V converted from 112-120 V AC outlet, you can look on the botten of the unit on the factory sticker if there is one for the proper volts

Posted on Apr 22, 2009

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No output dc volts on IBM AC ADAPTER checked every seem to be ok


It is not ok if there is no DC voltage to the plug, probably a broken wire, go to best by and buy a unversal power supply for your laptop, take the old one with you to match it up.

Mar 19, 2011 | IBM ThinkPad A21E 2655-xxx Laptop AC...

4 Answers

Hello my laptop t41 power is not even flash but the adapter is working,am technician and i have troubleshoot allot.


I concur with what Diegotech stated.

To iterate further;

1) The DC Power Jack (DC IN), may have cracked solder joint/s on the motherboard connector, (Female), where the DC Power Jack plugs in.

Resolder

2) The DC Power Jack may be broken.
Center Pin mount, and/or body of DC Power Jack, and/or Outer Shell mount.

Replace DC Power Jack.

3) Wires from the DC Power jack plug to the female connector on the motherboard, may be bad.

Replace DC Power Jack.

Two examples, of a place to buy an IBM ThinkPad T41 DC Power Jack,

1) http://www.buy.com/prod/dc-power-jack-connector-socket-for-ibm-thinkpad-t40-t41-t42-r50-r51-r52/q/sellerid/23962916/loc/101/215782035.html

2) http://www.machinaelectronics.com/store/buypart/IBM_Thinkpad_T41/DC-P001

Past this point it's a bad DC sensor on the motherboard.

Replace motherboard.

IBM ThinkPad T41 Service Manual, (Free),

http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-ibmlenovo

On this page go down to the 8th line.
The one that starts with > ThinkPad T20.

Go across, and click on > T41

Takes approximately 2 seconds to see the first page, and additional time to fully download.

Page 142 for 14.1 inch LCD screen
Page 151 for 15 inch LCD screen

(PDF file page number box at top)

Dec 01, 2010 | IBM ThinkPad T41 Notebook

1 Answer

My IBM Thinkpad screen has gone dark but I can still see a bit. Is there a key to brighten the screen?


Try attaching an external monitor to the laptop & see if you could get any display on it. If this is successful, then you might have either a faulty LCD cable or screen inverter board.
The LCD cable transfers data signal from the motherboard & video card to the LCD screen. It also supplies high voltage DC power to the screen inverter board. The screen inverter board works as a power supply for the backlight lamp mounted inside the LCD screen. It converts low voltage DC power to high voltage AC power needed for the backlight lamp

Aug 29, 2010 | IBM ThinkPad T23 2647 Notebook

1 Answer

My ibm thinkpad t30 screen is very dark when i start it up and it wont allow me to see it well


Sounds like you are losing your backlight inverter. It sits under the bottom of the screen and is responsible for converting the DC power of the battery and power adapter to high voltage AC for the backlight in the lcd panel.

May 19, 2010 | IBM ThinkPad T30 2366 Notebook

1 Answer

Is the AC DC Power Pin Port Input the same for a IBM ThinkPad T 42 and T43 The pin port is cracked


yes the actual plug is the same for similar models..but make a search on ebay and you might get the exact model...

Apr 20, 2010 | IBM ThinkPad T42 Notebook

1 Answer

Is there anywhere to buy component parts ?


New, original parts - probably not. IBM usually will only sell to their authorized service centers and technicians. You may be able to find used parts on eBay. Make sure you are getting the EXACT same replacement part - the wrong power supply can result in a fried mother board.

Jan 04, 2010 | IBM ThinkPad A30 2652 Notebook

1 Answer

Bootmgr missing


This website has info and instructions on how to creat a cd to help you fix the boot problem.

http://www.tinyempire.com/notes/ntldrismissing.htm

copy and paste the link into your browser.
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

Oct 16, 2008 | IBM ThinkPad T23 2647 Notebook

1 Answer

IBM Thinkpad T21


T21
Input Voltage: AC 100-240V, 50-60Hz Output Voltage: DC 16V, 4.5A, 72W Max

You can get one on EBAY for cheap.
http://cgi.ebay.com/Laptop-AC-Adapter-Charger-for-IBM-Thinkpad-T21-2648_W0QQitemZ300173112123QQcmdZViewItem

Nov 19, 2007 | IBM ThinkPad T21 2648 Notebook

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