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현재 버전 게시자: ABCellars ,

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90%+ chance that replacing the inverter cable will resolve the problem. The inverter cable runs from the motherboard goes thru the hinge to the inverter in the upper clam shell. The wires are flexed when the upper clam shell is raised and/or lowered. This eventually causes an internal break in one or more of the wires. The backlight working at some angles and having problems with other angles suggest there is an internal break (not visible from the outside) in one or more of the wires to the inverter.
 
To confirm this you can use an analog multitester/multimeter (one with the needle) on the lowest OHM setting to test for continuity in wires and/or cables. With a probe on wither end of a wire, move the wire around twist and bend it - simulate what happens to it in the hinge. If the needle gives a momentary hard swing then there is a problem. Often times a DMM (digital multimeter) will read to slow or have circuitry in them that compensates for quick spikes in the reading to effectively test for internal breaks in wires or cables.
 
There are 11 variations of the A1181 MacBook. Please give us the last 3 characters of your serial number so we can determine your exact machine, then point you to the proper guide(s) and part(s).
 
There are 2 different inverter cables for the A1181. A 3 wall and a 4 wall. On the 3 wall the socket has 3 walls around the connector. The socket for the 4 wall, has 4 walls around the socket. Doing a parts search for your, early 2009 A1181, inverter cable, both parts are coming up at various venders. You will need to remove the upper case to get a visual of which yours is prior to purchase. The following place says yours is a 4 wall and they have pictures showing the differences, [http://www.powerbookmedic.com/13-MacBook-Inverter-Cable-p-17150.html|click here]. Follow the inverter cable guide available [http://www.ifixit.com/Device/MacBook_Core_2_Duo#deviceGuides|here.]

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편집자: ABCellars ,

텍스트:

90%+ chance that replacing the inverter cable will resolve the problem. The inverter cable runs from the motherboard goes thru the hinge to the inverter in the upper clam shell. The wires are flexed when the upper clam shell is raised and/or lowered. This eventually causes an internal break in one or more of the wires. The backlight working at some angles and having problems with other angles suggest there is an internal break (not visible from the outside) in one or more of the wires to the inverter.
 
To confirm this you can use an analog multitester/multimeter (one with the needle) on the lowest OHM setting to test for continuity in wires and/or cables. With a probe on wither end of a wire, move the wire around twist and bend it - simulate what happens to it in the hinge. If the needle gives a momentary hard swing then there is a problem. Often times a DMM (digital multimeter) will read to slow or have circuitry in them that compensates for quick spikes in the reading to effectively test for internal breaks in wires or cables.
To confirm this you can use an analog multitester/multimeter (one with the needle) on the lowest OHM setting to test for continuity in wires and/or cables. With a probe on wither end of a wire, move the wire around twist and bend it - simulate what happens to it in the hinge. If the needle gives a momentary hard swing then there is a problem. Often times a DMM (digital multimeter) will read to slow or have circuitry in them that compensates for quick spikes in the reading to effectively test for internal breaks in wires or cables.
 
There are 11 variations of the A1181 MacBook. Please give us the last 3 characters of your serial number so we can determine your exact machine, then point you to the proper guide(s) and part(s).

현황:

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원문 게시자: ABCellars ,

텍스트:

90%+ chance that replacing the inverter cable will resolve the problem. The inverter cable runs from the motherboard goes thru the hinge to the inverter in the upper clam shell. The wires are  flexed when the upper clam shell is raised and/or lowered. This eventually causes an internal break in one or more of the wires. The backlight working at some angles and having problems with other angles suggest there is an internal break (not visible from the outside) in one or more of the wires to the inverter.

To confirm this you can use an analog multitester/multimeter (one with the needle) on the lowest OHM setting to test for continuity in wires and/or cables. If the needle gives a momentary hard swing then there is a problem. Often times a DMM (digital multimeter) will read to slow or have circuitry in them that compensates for quick spikes in the reading to effectively test for internal breaks in wires or cables.

There are 11 variations of the A1181 MacBook. Please give us the last 3 characters of your serial number so we can determine your exact machine, then point you to the proper guide(s) and part(s).

현황:

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